Alert archive / Iowa / Blizzard Watches in 2007

Blizzard Watch 1, NWS Sioux Falls, SD

February 28, 20079 counties in Iowa; 8 counties in Minnesota

NWS Sioux Falls, SD issued this blizzard watch at Feb 28, 2007, 4:14 AM CST for 9 counties in Iowa; 8 counties in Minnesota. It took effect at Mar 1, 2007, 6:00 AM CST. It was in force for .

The area

The counties it named.

The facts

Issued
Feb 28, 2007, 4:14 AM CST (10:14 UTC)
In effect from
Mar 1, 2007, 6:00 AM CST
Expired
Feb 28, 2007, 4:32 PM CST
In force
Issued by
NWS Sioux Falls, SD

Counties Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Ida County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Sioux County, IA, Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN

The radar

The Sioux Falls radar (KFSD), 85 km from the middle of the area, began a volume at 10:12 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 10.2 hours before the alert went out and 226 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 2007-02-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2007-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
686 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS43 KFSD 281014
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
414 AM CST WED FEB 28 2007

.A WARM FRONT ALOFT WILL MOVE NORTHEAST INTO THE REGION
TODAY...PROVIDING MUCH OF THE AREA WITH MEASURABLE SNOWFALL. THE
HIGHEST AMOUNTS SHOULD BE ALONG AND NORTH OF INTERSTATE 90 WHERE 2
TO 5 INCHES WILL BE POSSIBLE. OTHERWISE...LOW PRESSURE WILL
DEEPEN RAPIDLY TONIGHT...THEN MOVE NORTHEAST ON THURSDAY. THIS
WILL PLACE AREAS EAST OF INTERSTATE 29 IN A FAVORABLE LOCATION FOR
HEAVY SNOW. SINCE THIS LOW PRESSURE IS EXPECTED TO DEEPEN
QUICKLY...VERY STRONG WINDS WILL BE LIKELY...POSSIBLY GUSTING TO
AROUND 45 MPH AT TIMES ON THURSDAY AFTERNOON AND THURSDAY EVENING.
THIS MAY CREATE BLIZZARD LIKE CONDITIONS OVER MUCH OF NORTHWEST
IOWA AND SOUTHWEST MINNESOTA.

MNZ071-072-080-081-089-090-097-281815-
/O.CAN.KFSD.WS.W.0003.070228T1200Z-070301T0000Z/
/O.CAN.KFSD.WS.A.0004.070301T1200Z-070303T0000Z/
/O.NEW.KFSD.BZ.A.0001.070301T1200Z-070302T1800Z/
/O.EXB.KFSD.SN.Y.0004.070228T1400Z-070301T0000Z/
LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE
414 AM CST WED FEB 28 2007

...WINTER STORM WARNING IS CANCELLED...
...WINTER STORM WATCH IS CANCELLED...
...SNOW ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 6 PM CST
THIS AFTERNOON...
...BLIZZARD WATCH IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY FROM 8 AM THIS MORNING TO 6 PM CST THIS AFTERNOON. THIS
REPLACES THE WARNING THAT WAS PREVIOUSLY IN EFFECT. A BLIZZARD WATCH HAS
ALSO BEEN ISSUED WHICH REPLACES THE WINTER STORM WATCH.

SNOW IS EXPECTED TO DEVELOP BY MID MORNING...THEN CONTINUE
INTO THE AFTERNOON...DECREASING IN INTENSITY BY ABOUT 500 PM CST.
BY LATE AFTERNOON...SNOW ACCUMULATIONS SHOULD BE IN THE 3 TO 6
INCH RANGE.

ADDITIONALLY...SNOW IS EXPECTED TO DEVELOP AGAIN ON THURSDAY
MORNING AND CONTINUE INTO FRIDAY MORNING. VERY STRONG WINDS WILL
ALSO DEVELOP...POTENTIALLY CREATING BLIZZARD CONDITIONS.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

SDZ038-039-054-055-281815-
/O.CAN.KFSD.WS.W.0003.000000T0000Z-070228T1800Z/
/O.EXB.KFSD.SN.Y.0004.070228T1200Z-070228T2200Z/
BEADLE-KINGSBURY-MINER-LAKE-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...HOWARD...MADISON
414 AM CST WED FEB 28 2007

...WINTER STORM WARNING IS CANCELLED...
...SNOW ADVISORY IN EFFECT UNTIL 4 PM CST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON. THE
WINTER STORM WARNING HAS BEEN CANCELLED. 

SNOW IS EXPECTED TO DEVELOP BY MID MORNING...THEN CONTINUE
THROUGH MID AFTERNOON. BY 400 PM CST...SNOW ACCUMULATIONS
SHOULD BE IN THE 3 TO 5 INCH RANGE.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

SDZ040-056-281815-
/O.CAN.KFSD.WS.W.0003.070228T1200Z-070301T0000Z/
/O.EXB.KFSD.SN.Y.0004.070228T1200Z-070228T2200Z/
BROOKINGS-MOODY-
INCLUDING THE CITIES OF...BROOKINGS...FLANDREAU
414 AM CST WED FEB 28 2007

...WINTER STORM WARNING IS CANCELLED...
...SNOW ADVISORY IN EFFECT UNTIL 4 PM CST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON. THE
WINTER STORM WARNING HAS BEEN CANCELLED. 

SNOW IS EXPECTED TO DEVELOP BY MID MORNING...THEN CONTINUE
THROUGH MID AFTERNOON. BY 400 PM CST...SNOW ACCUMULATIONS
SHOULD BE IN THE 3 TO 6 INCH RANGE.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

IAZ021-022-032-281815-
/O.CAN.KFSD.WW.Y.0002.070228T1200Z-070228T2200Z/
/O.CAN.KFSD.WS.A.0004.070301T1200Z-070303T0000Z/
/O.NEW.KFSD.BZ.A.0001.070301T1200Z-070302T1800Z/
CHEROKEE-BUENA VISTA-IDA-
INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE...IDA GROVE...
HOLSTEIN...BATTLE CREEK
414 AM CST WED FEB 28 2007

...WINTER WEATHER ADVISORY IS CANCELLED...
...WINTER STORM WATCH IS CANCELLED...
...BLIZZARD WATCH IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD
WATCH...WHICH IS IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY
MORNING. THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. THE
WINTER STORM WATCH HAS BEEN CANCELLED. 

A PERIOD OF LIGHT SNOW...POSSIBLY MIXED WITH A LITTLE LIGHT
FREEZING RAIN...WILL OCCUR EARLY THIS AFTERNOON...BUT AMOUNTS
SHOULD BE RELATIVELY LIGHT. SNOW ACCUMULATION SHOULD BE LESS THAN
2 INCHES WITH ANY ICING ONLY EXPECTED TO AMOUNT TO A FEW HUNDREDTHS.

HOWEVER...SNOW IS EXPECTED TO DEVELOP BY THURSDAY MORNING AND
CONTINUE THROUGHOUT THE DAY. VERY STRONG WINDS WILL ALSO
DEVELOP...POTENTIALLY CREATING BLIZZARD CONDITIONS.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

IAZ020-031-NEZ013-014-SDZ071-281115-
/O.CAN.KFSD.WW.Y.0002.000000T0000Z-070228T1800Z/
PLYMOUTH-WOODBURY-DIXON-DAKOTA-UNION-
INCLUDING THE CITIES OF...LE MARS...SIOUX CITY...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...NORTH SIOUX CITY...BERESFORD...
ELK POINT...ALCESTER...JEFFERSON
414 AM CST WED FEB 28 2007

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
WINTER WEATHER ADVISORY. 

A BRIEF PERIOD OF LIGHT SNOW OR LIGHT FREEZING RAIN IS POSSIBLE
TODAY...BUT THE MORE ORGANIZED WINTER WEATHER WILL BE NORTH OF
THE AREA.

$$

IAZ002-003-013-014-281815-
/O.CAN.KFSD.WS.A.0004.070301T1200Z-070303T0000Z/
/O.NEW.KFSD.BZ.A.0001.070301T1200Z-070302T1800Z/
/O.EXT.KFSD.SN.Y.0004.070228T1400Z-070228T2200Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER
414 AM CST WED FEB 28 2007

...WINTER STORM WATCH IS CANCELLED...
...SNOW ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 4 PM CST
THIS AFTERNOON...
...BLIZZARD WATCH IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD
WATCH...WHICH IS IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY
MORNING. THE WINTER STORM WATCH HAS BEEN CANCELLED. THE SNOW
ADVISORY IS NOW IN EFFECT FROM 8 AM THIS MORNING TO 4 PM CST THIS
AFTERNOON. 

SNOW IS EXPECTED TO DEVELOP BY LATE MORNING...THEN CONTINUE
THROUGH MID AFTERNOON. BY 400 PM CST...SNOW ACCUMULATIONS
SHOULD BE IN THE 2 TO 4 INCH RANGE.

HOWEVER...SNOW IS ALSO EXPECTED TO DEVELOP AGAIN ON THURSDAY
MORNING AND CONTINUE THROUGHOUT THE DAY. VERY STRONG WINDS WILL
ALSO DEVELOP...POTENTIALLY CREATING BLIZZARD CONDITIONS.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

IAZ001-012-MNZ098-281815-
/O.CAN.KFSD.WS.A.0004.070301T1200Z-070303T0000Z/
/O.NEW.KFSD.BZ.A.0001.070301T1200Z-070302T1800Z/
/O.EXT.KFSD.SN.Y.0004.070228T1200Z-070228T2200Z/
LYON-SIOUX-ROCK-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LUVERNE
414 AM CST WED FEB 28 2007

...WINTER STORM WATCH IS CANCELLED...
...SNOW ADVISORY NOW IN EFFECT UNTIL 4 PM CST THIS AFTERNOON...
...BLIZZARD WATCH IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD
WATCH...WHICH IS IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY
MORNING. THE WINTER STORM WATCH HAS BEEN CANCELLED. THE SNOW
ADVISORY IS NOW IN EFFECT UNTIL 4 PM CST THIS AFTERNOON. 

SNOW IS EXPECTED TO DEVELOP BY LATE MORNING...THEN CONTINUE
THROUGH MID AFTERNOON. BY 400 PM CST...SNOW ACCUMULATIONS
SHOULD BE IN THE 2 TO 4 INCH RANGE.

HOWEVER...SNOW IS ALSO EXPECTED TO DEVELOP AGAIN ON THURSDAY
MORNING AND CONTINUE THROUGHOUT THE DAY. VERY STRONG WINDS WILL
ALSO DEVELOP...POTENTIALLY CREATING BLIZZARD CONDITIONS.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

SDZ052-053-059>062-066-067-281815-
/O.EXT.KFSD.SN.Y.0004.070228T1200Z-070228T2200Z/
JERAULD-SANBORN-DAVISON-HANSON-MCCOOK-MINNEHAHA-TURNER-LINCOLN-
INCLUDING THE CITIES OF...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE...
MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...
HARRISBURG
414 AM CST WED FEB 28 2007

...SNOW ADVISORY NOW IN EFFECT UNTIL 4 PM CST THIS AFTERNOON...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 4 PM CST THIS AFTERNOON.

SNOW IS EXPECTED TO DEVELOP EARLY THIS MORNING...THEN
CONTINUE INTO EARLY WEDNESDAY AFTERNOON. SNOWFALL ACCUMULATIONS
OF 3 TO 5 INCHES ARE EXPECTED...WITH THE HIGHEST AMOUNTS NORTH OF
INTERSTATE 90. EAST WINDS OF 15 TO 25 MPH WILL PRODUCE A FEW AREAS
OF BLOWING AND DRIFTING SNOW.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

SDZ065-068>070-281800-
/O.CON.KFSD.WW.Y.0002.000000T0000Z-070228T1800Z/
HUTCHINSON-BON HOMME-YANKTON-CLAY-
INCLUDING THE CITIES OF...PARKSTON...FREEMAN...MENNO...TRIPP...
TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...
VERMILLION
414 AM CST WED FEB 28 2007

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
TODAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY.

A BRIEF PERIOD OF FREEZING RAIN...SLEET AND SNOW WILL BE REPLACED
BY ALL SNOW...WHICH WILL THEN CONTINUE THROUGH THE MORNING. SNOW
ACCUMULATIONS ARE EXPECTED TO GENERALLY REMAIN UNDER TWO
INCHES...WITH A LIGHT GLAZE OF ICE ALSO POSSIBLE.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

08
4 follow-up statements
000 
WWUS43 KFSD 281643
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1043 AM CST WED FEB 28 2007

.A WARM FRONT ALOFT WILL MOVE NORTHEAST INTO THE REGION TODAY...
PROVIDING MUCH OF THE AREA WITH A PERIOD OF MODERATE SNOW. THE
HIGHEST AMOUNTS SHOULD BE ALONG AND NORTH OF INTERSTATE 90 WHERE 4 TO
7 INCHES WILL BE POSSIBLE. OTHERWISE...LOW PRESSURE WILL DEEPEN
RAPIDLY TONIGHT...THEN MOVE NORTHEAST ON THURSDAY. THIS WILL PLACE
AREAS EAST OF INTERSTATE 29 IN A FAVORABLE LOCATION FOR HEAVY
SNOW. LIGHT SNOW IS EXPECTED TO EXTEND WEST TOWARD THE JAMES
VALLEY. IN ADDITION...THIS LOW PRESSURE IS EXPECTED TO DEEPEN
QUICKLY...VERY STRONG WINDS WILL BE LIKELY...POSSIBLY GUSTING TO
AROUND 45 MPH AT TIMES ON THURSDAY AFTERNOON INTO FRIDAY MORNING. THIS
MAY CREATE BLIZZARD OR NEAR BLIZZARD CONDITIONS OVER MUCH OF
NORTHWEST IOWA...SOUTHEAST SOUTH DAKOTA...SOUTHWEST
MINNESOTA...AND EXTREME NORTHEAST NEBRASKA.

SDZ038>040-054>056-010000-
/O.NEW.KFSD.WS.A.0005.070301T1800Z-070302T1800Z/
/O.EXT.KFSD.SN.Y.0004.000000T0000Z-070301T0000Z/
BEADLE-KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...HOWARD...MADISON...FLANDREAU
1043 AM CST WED FEB 28 2007

...SNOW ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS AFTERNOON...
...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING. THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 6 PM CST
THIS AFTERNOON. 

SNOW WILL CONTINUE THROUGH LATE AFTERNOON AND BE HEAVY AT TIMES
THROUGH EARLY AFTERNOON. SNOW ACCUMULATIONS SHOULD BE 4 TO 7
INCHES.

ON THURSDAY...NORTHWEST WINDS WILL INCREASE DURING THE AFTERNOON
AND CONTINUE INTO FRIDAY MORNING. WINDS OF 20 TO 30 MPH WITH GUSTS
TO 35 MPH ARE POSSIBLE. IN ADDITION...LIGHT SNOW IS EXPECTED
THURSDAY NIGHT AND FRIDAY. WHILE SNOW AMOUNTS ARE EXPECTED TO BE
LESS THAN 4 INCHES...THE COMBINATION OF SNOW AND BLOWING SNOW MAY
PRODUCE NEAR BLIZZARD CONDITIONS FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND BLOWING SNOW WHICH MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE
LATEST FORECASTS.

$$

IAZ001-012-MNZ098-282200-
/O.CON.KFSD.SN.Y.0004.000000T0000Z-070228T2200Z/
/O.CON.KFSD.BZ.A.0001.070301T1200Z-070302T1800Z/
LYON-SIOUX-ROCK-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LUVERNE
1043 AM CST WED FEB 28 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON...
...BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON.
A BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING. 

SNOW IS EXPECTED TO DEVELOP BY LATE MORNING...THEN CONTINUE
THROUGH MID AFTERNOON. SNOW MAY BE HEAVY FOR A BRIEF PERIOD EARLY
THIS AFTERNOON. SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED.

SNOW IS EXPECTED TO REDEVELOP THURSDAY MORNING AND CONTINUE
THROUGH FRIDAY MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO BE
DURING THE DAY ON THURSDAY. SNOWFALL IN EXCESS OF 4 INCHES IS
POSSIBLE. IN ADDITION...WINDS IN EXCESS OF 35 MPH ARE POSSIBLE
THURSDAY AFTERNOON THROUGH FRIDAY MORNING. THIS COULD PRODUCE BLIZZARD
CONDITIONS.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

IAZ002-003-013-014-282200-
/O.CON.KFSD.SN.Y.0004.000000T0000Z-070228T2200Z/
/O.CON.KFSD.BZ.A.0001.070301T1200Z-070302T1800Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER
1043 AM CST WED FEB 28 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON...
...BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON.
A BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING. 

SNOW IS EXPECTED TO DEVELOP BY LATE MORNING...THEN CONTINUE
THROUGH MID AFTERNOON. SNOW MAY BE HEAVY AT TIMES EARLY THIS
AFTERNOON. BY 400 PM CST...SNOW ACCUMULATIONS ARE EXPECTED TO BE 2
TO 4 INCHES.

SNOW IS EXPECTED TO REDEVELOP THURSDAY MORNING AND CONTINUE
THROUGH FRIDAY MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO BE
DURING THE DAY ON THURSDAY. SNOWFALL IN EXCESS OF 6 INCHES IS
POSSIBLE. IN ADDITION...WINDS IN EXCESS OF 35 MPH ARE POSSIBLE
THURSDAY AFTERNOON THROUGH FRIDAY MORNING. THIS COULD PRODUCE
BLIZZARD CONDITIONS.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

MNZ071-072-080-081-089-090-097-010000-
/O.CON.KFSD.SN.Y.0004.000000T0000Z-070301T0000Z/
/O.CON.KFSD.BZ.A.0001.070301T1200Z-070302T1800Z/
LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE
1043 AM CST WED FEB 28 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON.
A BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING. 

SNOW IS EXPECTED TO DEVELOP AROUND NOON...THEN CONTINUE INTO THE
AFTERNOON...DECREASING IN INTENSITY AROUND 500 PM CST. BY LATE
AFTERNOON...SNOW ACCUMULATIONS ARE EXPECTED TO BE 3 TO 6 INCHES.

SNOW IS EXPECTED TO REDEVELOP BY LATE THURSDAY MORNING AND
CONTINUE THROUGH FRIDAY MORNING. THE HEAVIEST SNOWFALL IS EXPECTED
TO BE THURSDAY AFTERNOON AND EVENING. SNOWFALL IN EXCESS OF 6
INCHES IS POSSIBLE. IN ADDITION...WINDS IN EXCESS OF 35 MPH ARE
POSSIBLE THURSDAY AFTERNOON THROUGH FRIDAY MORNING. THIS COULD
PRODUCE BLIZZARD CONDITIONS.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

SDZ053-059>062-066-067-282200-
/O.NEW.KFSD.WS.A.0005.070301T1800Z-070302T1800Z/
/O.CON.KFSD.SN.Y.0004.000000T0000Z-070228T2200Z/
SANBORN-DAVISON-HANSON-MCCOOK-MINNEHAHA-TURNER-LINCOLN-
INCLUDING THE CITIES OF...WOONSOCKET...MITCHELL...ALEXANDRIA...
EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG
1043 AM CST WED FEB 28 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON...
...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING. A SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST
THIS AFTERNOON. 

SNOW...HEAVY AT TIMES...WILL CONTINUE INTO MID AFTERNOON. SNOWFALL
ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED. THE HEAVIEST SNOW IS
EXPECTED TO BE NORTH OF INTERSTATE 90. EAST WINDS OF 15 TO 25 MPH
WILL PRODUCE A FEW AREAS OF BLOWING AND DRIFTING SNOW.

LIGHT SNOW IS EXPECTED TO REDEVELOP THURSDAY AFTERNOON AND
CONTINUE THROUGH FRIDAY MORNING. IN ADDITION...WINDS UP TO 35 MPH
ARE POSSIBLE THURSDAY AFTERNOON INTO FRIDAY MORNING. WHILE
SNOWFALL IS EXPECTED TO BE LESS THAN 6 INCHES...THE COMBINATION OF
SNOW AND BLOWING SNOW MAY PRODUCE NEAR BLIZZARD CONDITIONS. 

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND BLOWING SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE
LATEST FORECASTS.

$$

SDZ065-068>070-281800-
/O.NEW.KFSD.WS.A.0005.070301T1800Z-070302T1800Z/
/O.CON.KFSD.WW.Y.0002.000000T0000Z-070228T1800Z/
HUTCHINSON-BON HOMME-YANKTON-CLAY-
INCLUDING THE CITIES OF...PARKSTON...FREEMAN...MENNO...TRIPP...
TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...
VERMILLION
1043 AM CST WED FEB 28 2007

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
TODAY...
...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING. A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL
NOON CST TODAY. 

A BRIEF PERIOD OF FREEZING RAIN...SLEET AND SNOW WILL BE REPLACED
BY ALL SNOW...WHICH WILL THEN CONTINUE THROUGH THE MORNING. SNOW
ACCUMULATIONS ARE EXPECTED TO GENERALLY REMAIN UNDER TWO INCHES...
WITH A LIGHT GLAZE OF ICE ALSO POSSIBLE.

LIGHT SNOW IS EXPECTED TO REDEVELOP THURSDAY AFTERNOON AND
CONTINUE THROUGH FRIDAY MORNING. IN ADDITION...WINDS UP TO 35 MPH
ARE POSSIBLE THURSDAY AFTERNOON INTO FRIDAY MORNING. WHILE
SNOWFALL IS EXPECTED TO BE LESS THAN 6 INCHES...THE COMBINATION OF
SNOW AND BLOWING SNOW MAY PRODUCE NEAR BLIZZARD CONDITIONS. 

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND BLOWING SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

SDZ052-282200-
/O.CON.KFSD.SN.Y.0004.000000T0000Z-070228T2200Z/
JERAULD-
INCLUDING THE CITIES OF...WESSINGTON SPRINGS...ALPENA
1043 AM CST WED FEB 28 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON. 

SNOW WILL TAPER TO LIGHT SNOW BY EARLY AFTERNOON. SNOWFALL
ACCUMULATIONS OF 4 TO 6 INCHES ARE EXPECTED. EAST WINDS OF 15 TO
25 MPH WILL PRODUCE A FEW AREAS OF BLOWING AND DRIFTING SNOW.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

IAZ020-031-NEZ013-014-SDZ071-010045-
/O.NEW.KFSD.WS.A.0005.070301T1800Z-070302T1800Z/
PLYMOUTH-WOODBURY-DIXON-DAKOTA-UNION-
INCLUDING THE CITIES OF...LE MARS...SIOUX CITY...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...NORTH SIOUX CITY...BERESFORD...
ELK POINT...ALCESTER...JEFFERSON
1043 AM CST WED FEB 28 2007

...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING. 

LIGHT SNOW IS EXPECTED TO DEVELOP LATE THURSDAY MORNING AND
CONTINUE THROUGH FRIDAY MORNING. IN ADDITION...WINDS UP TO 35 MPH
ARE POSSIBLE THURSDAY AFTERNOON INTO FRIDAY MORNING. WHILE
SNOWFALL IS EXPECTED TO BE LESS THAN 6 INCHES...THE COMBINATION OF
SNOW AND BLOWING SNOW MAY PRODUCE NEAR BLIZZARD CONDITIONS.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

$$

IAZ021-022-032-010045-
/O.CON.KFSD.BZ.A.0001.070301T1200Z-070302T1800Z/
CHEROKEE-BUENA VISTA-IDA-
INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE...IDA GROVE...
HOLSTEIN...BATTLE CREEK
1043 AM CST WED FEB 28 2007

...BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...

A BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING. 

SNOW IS EXPECTED TO DEVELOP THURSDAY MORNING AND CONTINUE THROUGH
FRIDAY MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO BE DURING THE
DAY ON THURSDAY. SNOWFALL IN EXCESS OF 6 INCHES IS POSSIBLE. IN
ADDITION...WINDS IN EXCESS OF 35 MPH ARE POSSIBLE THURSDAY
AFTERNOON THROUGH FRIDAY MORNING. THIS COULD PRODUCE BLIZZARD
CONDITIONS.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

SCHUMACHER
000 
WWUS43 KFSD 281807
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1207 PM CST WED FEB 28 2007

.A WARM FRONT ALOFT WILL MOVE NORTHEAST INTO THE REGION TODAY...
PROVIDING MUCH OF THE AREA WITH A PERIOD OF MODERATE SNOW. THE
HIGHEST AMOUNTS SHOULD BE ALONG AND NORTH OF INTERSTATE 90 WHERE
4 TO 7 INCHES WILL BE POSSIBLE. OTHERWISE...LOW PRESSURE WILL
DEEPEN RAPIDLY TONIGHT...THEN MOVE NORTHEAST ON THURSDAY. THIS
WILL PLACE AREAS EAST OF INTERSTATE 29 IN A FAVORABLE LOCATION
FOR HEAVY SNOW. LIGHT SNOW IS EXPECTED TO EXTEND WEST TOWARD THE
JAMES VALLEY. IN ADDITION...THIS LOW PRESSURE IS EXPECTED TO
DEEPEN QUICKLY...VERY STRONG WINDS WILL BE LIKELY...POSSIBLY
GUSTING TO AROUND 45 MPH AT TIMES ON THURSDAY AFTERNOON INTO
FRIDAY MORNING. THIS MAY CREATE BLIZZARD OR NEAR BLIZZARD
CONDITIONS OVER MUCH OF NORTHWEST IOWA...SOUTHEAST SOUTH DAKOTA...
SOUTHWEST MINNESOTA...AND EXTREME NORTHEAST NEBRASKA.

SDZ065-282200-
/O.CAN.KFSD.WW.Y.0002.000000T0000Z-070228T1800Z/
/O.EXA.KFSD.SN.Y.0004.000000T0000Z-070228T2200Z/
/O.CON.KFSD.WS.A.0005.070301T1800Z-070302T1800Z/
HUTCHINSON-
INCLUDING THE CITIES OF...PARKSTON...FREEMAN...MENNO...TRIPP
1207 PM CST WED FEB 28 2007

...WINTER WEATHER ADVISORY IS CANCELLED...
...SNOW ADVISORY IN EFFECT UNTIL 4 PM CST THIS AFTERNOON...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON. THE
WINTER WEATHER ADVISORY HAS BEEN CANCELLED. A WINTER STORM WATCH
REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY MORNING.

SNOW...HEAVY AT TIMES...WILL CONTINUE INTO EARLY AFTERNOON. TOTAL
SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED. EAST WINDS
OF 15 TO 25 MPH WILL PRODUCE A FEW AREAS OF BLOWING AND DRIFTING
SNOW.

LIGHT SNOW IS EXPECTED TO REDEVELOP THURSDAY AFTERNOON AND
CONTINUE THROUGH FRIDAY MORNING. IN ADDITION...WINDS UP TO 35 MPH
ARE POSSIBLE THURSDAY AFTERNOON INTO FRIDAY MORNING. WHILE
SNOWFALL IS EXPECTED TO BE LESS THAN 6 INCHES...THE COMBINATION OF
SNOW AND BLOWING SNOW MAY PRODUCE NEAR BLIZZARD CONDITIONS. 

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

$$

IAZ013-014-010215-
/O.CAN.KFSD.SN.Y.0004.000000T0000Z-070228T2200Z/
/O.CON.KFSD.BZ.A.0001.070301T1200Z-070302T1800Z/
OBRIEN-CLAY-
INCLUDING THE CITIES OF...SHELDON...HARTLEY...SANBORN...SPENCER
1207 PM CST WED FEB 28 2007

...SNOW ADVISORY IS CANCELLED...
...BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
SNOW ADVISORY. A BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY
MORNING THROUGH FRIDAY MORNING. 

AREAS OF LIGHT SNOW...MIXED WITH SOME SLEET OR FREEZING RAIN WILL
GRADUALLY TAPER OFF THROUGH EARLY AFTERNOON. ADDITIONAL SNOW
ACCUMULATIONS WILL BE AN INCH OR LESS..AND MAINLY FROM ALONG
HIGHWAY 18 NORTH.

SNOW IS EXPECTED TO REDEVELOP THURSDAY MORNING AND CONTINUE
THROUGH FRIDAY MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO BE
DURING THE DAY ON THURSDAY. SNOWFALL IN EXCESS OF 6 INCHES IS
POSSIBLE. IN ADDITION...WINDS IN EXCESS OF 35 MPH ARE POSSIBLE
THURSDAY AFTERNOON THROUGH FRIDAY MORNING. THIS COULD PRODUCE
BLIZZARD CONDITIONS.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

SDZ068>070-010215-
/O.EXP.KFSD.WW.Y.0002.000000T0000Z-070228T1800Z/
/O.CON.KFSD.WS.A.0005.070301T1800Z-070302T1800Z/
BON HOMME-YANKTON-CLAY-
INCLUDING THE CITIES OF...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION
1207 PM CST WED FEB 28 2007

...WINTER WEATHER ADVISORY WILL EXPIRE AT NOON CST TODAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY MORNING...

THE WINTER WEATHER ADVISORY WILL EXPIRE AT NOON CST TODAY. A
WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY MORNING. 

AREAS OF LIGHT FREEZING RAIN...SLEET AND SNOW WILL GRADUALLY TAPER
OFF MIDDAY...LIFTING NORTHWARD.

LIGHT SNOW IS EXPECTED TO REDEVELOP THURSDAY AFTERNOON AND
CONTINUE THROUGH FRIDAY MORNING. IN ADDITION...WINDS UP TO 35 MPH
ARE POSSIBLE THURSDAY AFTERNOON INTO FRIDAY MORNING. WHILE
SNOWFALL IS EXPECTED TO BE LESS THAN 6 INCHES...THE COMBINATION
OF SNOW AND BLOWING SNOW MAY PRODUCE NEAR BLIZZARD CONDITIONS.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND BLOWING SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

$$

IAZ001-012-MNZ098-282200-
/O.CON.KFSD.SN.Y.0004.000000T0000Z-070228T2200Z/
/O.CON.KFSD.BZ.A.0001.070301T1200Z-070302T1800Z/
LYON-SIOUX-ROCK-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LUVERNE
1207 PM CST WED FEB 28 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON...
...BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON.
A BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING. 

SNOW WILL CONTINUE THROUGH MID AFTERNOON. SNOW MAY BE HEAVY FOR A
BRIEF PERIOD EARLY THIS AFTERNOON. SNOW ACCUMULATIONS OF 2 TO 4
INCHES ARE EXPECTED.

SNOW IS EXPECTED TO REDEVELOP THURSDAY MORNING AND CONTINUE
THROUGH FRIDAY MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO BE
DURING THE DAY ON THURSDAY. SNOWFALL IN EXCESS OF 4 INCHES IS
POSSIBLE. IN ADDITION...WINDS IN EXCESS OF 35 MPH ARE POSSIBLE
THURSDAY AFTERNOON THROUGH FRIDAY MORNING. THIS COULD PRODUCE
BLIZZARD CONDITIONS.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

IAZ002-003-282200-
/O.CON.KFSD.SN.Y.0004.000000T0000Z-070228T2200Z/
/O.CON.KFSD.BZ.A.0001.070301T1200Z-070302T1800Z/
OSCEOLA-DICKINSON-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK
1207 PM CST WED FEB 28 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON...
...BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON.
A BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING. 

SNOW IS EXPECTED TO DEVELOP MIDDAY...AND CONTINUE THROUGH MID
AFTERNOON. SNOW MAY BE HEAVY AT TIMES EARLY THIS AFTERNOON. BY 400
PM CST...SNOW ACCUMULATIONS ARE EXPECTED TO BE 2 TO 4 INCHES...
GREATEST NEAR THE MINNESOTA BORDER.

SNOW IS EXPECTED TO REDEVELOP THURSDAY MORNING AND CONTINUE
THROUGH FRIDAY MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO BE
DURING THE DAY ON THURSDAY. SNOWFALL IN EXCESS OF 6 INCHES IS
POSSIBLE. IN ADDITION...WINDS IN EXCESS OF 35 MPH ARE POSSIBLE
THURSDAY AFTERNOON THROUGH FRIDAY MORNING. THIS COULD PRODUCE
BLIZZARD CONDITIONS.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

MNZ071-072-080-081-089-090-097-010000-
/O.CON.KFSD.SN.Y.0004.000000T0000Z-070301T0000Z/
/O.CON.KFSD.BZ.A.0001.070301T1200Z-070302T1800Z/
LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE
1207 PM CST WED FEB 28 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON.
A BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING. 

SNOW IS EXPECTED TO DEVELOP AROUND NOON...THEN CONTINUE INTO THE
AFTERNOON...DECREASING IN INTENSITY AROUND 500 PM CST. BY LATE
AFTERNOON...SNOW ACCUMULATIONS ARE EXPECTED TO BE 3 TO 6 INCHES.

SNOW IS EXPECTED TO REDEVELOP BY LATE THURSDAY MORNING AND
CONTINUE THROUGH FRIDAY MORNING. THE HEAVIEST SNOWFALL IS
EXPECTED TO BE THURSDAY AFTERNOON AND EVENING. SNOWFALL IN EXCESS
OF 6 INCHES IS POSSIBLE. IN ADDITION...WINDS IN EXCESS OF 35 MPH
ARE POSSIBLE THURSDAY AFTERNOON THROUGH FRIDAY MORNING. THIS
COULD PRODUCE BLIZZARD CONDITIONS.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

SDZ038>040-054>056-010000-
/O.CON.KFSD.SN.Y.0004.000000T0000Z-070301T0000Z/
/O.CON.KFSD.WS.A.0005.070301T1800Z-070302T1800Z/
BEADLE-KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...HOWARD...MADISON...FLANDREAU
1207 PM CST WED FEB 28 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY MORNING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON.
A WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY MORNING. 

SNOW WILL CONTINUE THROUGH LATE AFTERNOON AND BE HEAVY AT TIMES
THROUGH EARLY AFTERNOON. SNOW ACCUMULATIONS SHOULD BE 4 TO
7 INCHES.

ON THURSDAY...NORTHWEST WINDS WILL INCREASE DURING THE AFTERNOON
AND CONTINUE INTO FRIDAY MORNING. WINDS OF 20 TO 30 MPH WITH
GUSTS TO 35 MPH ARE POSSIBLE. IN ADDITION...LIGHT SNOW IS
EXPECTED THURSDAY NIGHT AND FRIDAY. WHILE SNOW AMOUNTS ARE
EXPECTED TO BE LESS THAN 4 INCHES...THE COMBINATION OF SNOW AND
BLOWING SNOW MAY PRODUCE NEAR BLIZZARD CONDITIONS FROM THURSDAY
AFTERNOON THROUGH FRIDAY MORNING.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND BLOWING SNOW WHICH MAY IMPACT TRAVEL. CONTINUE TO
MONITOR THE LATEST FORECASTS.

$$

SDZ053-059>062-066-067-282200-
/O.CON.KFSD.SN.Y.0004.000000T0000Z-070228T2200Z/
/O.CON.KFSD.WS.A.0005.070301T1800Z-070302T1800Z/
SANBORN-DAVISON-HANSON-MCCOOK-MINNEHAHA-TURNER-LINCOLN-
INCLUDING THE CITIES OF...WOONSOCKET...MITCHELL...ALEXANDRIA...
EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG
1207 PM CST WED FEB 28 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY MORNING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON.
A WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY MORNING. 

SNOW...HEAVY AT TIMES...WILL CONTINUE INTO MID AFTERNOON.
SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED. THE
HEAVIEST SNOW IS EXPECTED TO BE NORTH OF INTERSTATE 90. EAST
WINDS OF 15 TO 25 MPH WILL PRODUCE A FEW AREAS OF BLOWING AND
DRIFTING SNOW.

LIGHT SNOW IS EXPECTED TO REDEVELOP THURSDAY AFTERNOON AND
CONTINUE THROUGH FRIDAY MORNING. IN ADDITION...WINDS UP TO 35 MPH
ARE POSSIBLE THURSDAY AFTERNOON INTO FRIDAY MORNING. WHILE
SNOWFALL IS EXPECTED TO BE LESS THAN 6 INCHES...THE COMBINATION
OF SNOW AND BLOWING SNOW MAY PRODUCE NEAR BLIZZARD CONDITIONS.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND BLOWING SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

SDZ052-282200-
/O.CON.KFSD.SN.Y.0004.000000T0000Z-070228T2200Z/
JERAULD-
INCLUDING THE CITIES OF...WESSINGTON SPRINGS...ALPENA
1207 PM CST WED FEB 28 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS
AFTERNOON...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON. 

SNOW WILL TAPER TO LIGHT SNOW BY EARLY AFTERNOON. SNOWFALL
ACCUMULATIONS OF 3 TO 5 INCHES ARE EXPECTED. EAST WINDS OF 15 TO
25 MPH WILL PRODUCE A FEW AREAS OF BLOWING AND DRIFTING SNOW.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

IAZ021-022-032-010215-
/O.CON.KFSD.BZ.A.0001.070301T1200Z-070302T1800Z/
CHEROKEE-BUENA VISTA-IDA-
INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE...IDA GROVE...
HOLSTEIN...BATTLE CREEK
1207 PM CST WED FEB 28 2007

...BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...

A BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING. 

SNOW IS EXPECTED TO DEVELOP THURSDAY MORNING AND CONTINUE THROUGH
FRIDAY MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO BE DURING
THE DAY ON THURSDAY. SNOWFALL IN EXCESS OF 6 INCHES IS POSSIBLE.
IN ADDITION...WINDS IN EXCESS OF 35 MPH ARE POSSIBLE THURSDAY
AFTERNOON THROUGH FRIDAY MORNING. THIS COULD PRODUCE BLIZZARD
CONDITIONS.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

IAZ020-031-NEZ013-014-SDZ071-010215-
/O.CON.KFSD.WS.A.0005.070301T1800Z-070302T1800Z/
PLYMOUTH-WOODBURY-DIXON-DAKOTA-UNION-
INCLUDING THE CITIES OF...LE MARS...SIOUX CITY...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...NORTH SIOUX CITY...BERESFORD...
ELK POINT...ALCESTER...JEFFERSON
1207 PM CST WED FEB 28 2007

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY MORNING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY MORNING. 

LIGHT SNOW IS EXPECTED TO DEVELOP LATE THURSDAY MORNING AND
CONTINUE THROUGH FRIDAY MORNING. IN ADDITION...WINDS UP TO 35 MPH
ARE POSSIBLE THURSDAY AFTERNOON INTO FRIDAY MORNING. WHILE
SNOWFALL IS EXPECTED TO BE LESS THAN 6 INCHES...THE COMBINATION
OF SNOW AND BLOWING SNOW MAY PRODUCE NEAR BLIZZARD CONDITIONS.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

$$
000 
WWUS43 KFSD 282110
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
310 PM CST WED FEB 28 2007

.A WARM FRONT ALOFT WILL MOVE NORTHEAST INTO THE REGION TODAY...
PROVIDING MUCH OF THE AREA WITH A PERIOD OF MODERATE SNOW. THE
HIGHEST AMOUNTS SHOULD BE ALONG AND NORTH OF INTERSTATE 90 ACROSS
EASTERN SOUTH DAKOTA...WHERE 5 TO 8 INCHES IS EXPECTED. OTHERWISE...LOW
PRESSURE WILL DEEPEN RAPIDLY TONIGHT...THEN MOVE NORTHEAST ON
THURSDAY. THIS WILL PLACE AREAS EAST OF INTERSTATE 29 IN A
FAVORABLE LOCATION FOR HEAVY SNOW. LIGHT SNOW IS EXPECTED TO
EXTEND WEST TOWARD THE JAMES VALLEY. IN ADDITION...THIS LOW
PRESSURE IS EXPECTED TO DEEPEN QUICKLY...VERY STRONG WINDS WILL BE
LIKELY...POSSIBLY GUSTING TO AROUND 45 MPH AT TIMES ON THURSDAY
AFTERNOON INTO FRIDAY MORNING. THIS MAY CREATE BLIZZARD OR NEAR
BLIZZARD CONDITIONS OVER MUCH OF NORTHWEST IOWA...SOUTHEAST SOUTH
DAKOTA... SOUTHWEST MINNESOTA...AND EXTREME NORTHEAST NEBRASKA.

IAZ001>003-012-MNZ098-010515-
/O.CAN.KFSD.SN.Y.0004.000000T0000Z-070228T2200Z/
/O.CON.KFSD.BZ.A.0001.070301T1200Z-070302T1800Z/
LYON-OSCEOLA-DICKINSON-SIOUX-ROCK-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...LUVERNE
310 PM CST WED FEB 28 2007

...SNOW ADVISORY IS CANCELLED...
...BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
SNOW ADVISORY. A BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY
MORNING THROUGH FRIDAY MORNING. 

SNOW IS EXPECTED TO REDEVELOP THURSDAY MORNING AND CONTINUE
THROUGH FRIDAY MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO BE
DURING THE DAY ON THURSDAY. SNOWFALL IN EXCESS OF 4 INCHES IS
POSSIBLE. IN ADDITION...WINDS IN EXCESS OF 35 MPH ARE POSSIBLE
THURSDAY AFTERNOON THROUGH FRIDAY MORNING. THIS COULD PRODUCE
BLIZZARD CONDITIONS.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

MNZ081-089-090-010515-
/O.CAN.KFSD.SN.Y.0004.000000T0000Z-070301T0000Z/
/O.CON.KFSD.BZ.A.0001.070301T1200Z-070302T1800Z/
COTTONWOOD-NOBLES-JACKSON-
INCLUDING THE CITIES OF...WINDOM...MOUNTAIN LAKE...WORTHINGTON...
JACKSON...LAKEFIELD
310 PM CST WED FEB 28 2007

...SNOW ADVISORY IS CANCELLED...
...BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
SNOW ADVISORY. A BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY
MORNING THROUGH FRIDAY MORNING. 

SNOW IS EXPECTED TO REDEVELOP BY LATE THURSDAY MORNING AND
CONTINUE THROUGH FRIDAY MORNING. THE HEAVIEST SNOWFALL IS EXPECTED
TO BE THURSDAY AFTERNOON AND EVENING. SNOWFALL IN EXCESS OF 6
INCHES IS POSSIBLE. IN ADDITION...WINDS IN EXCESS OF 35 MPH ARE
POSSIBLE THURSDAY AFTERNOON THROUGH FRIDAY MORNING. THIS COULD
PRODUCE BLIZZARD CONDITIONS.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

SDZ059>062-065>067-010515-
/O.CAN.KFSD.SN.Y.0004.000000T0000Z-070228T2200Z/
/O.CON.KFSD.WS.A.0005.070301T1800Z-070302T1800Z/
DAVISON-HANSON-MCCOOK-MINNEHAHA-HUTCHINSON-TURNER-LINCOLN-
INCLUDING THE CITIES OF...MITCHELL...ALEXANDRIA...EMERY...SALEM...
CANISTOTA...BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKSTON...
FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE...MARION...
VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG
310 PM CST WED FEB 28 2007

...SNOW ADVISORY IS CANCELLED...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
SNOW ADVISORY. A WINTER STORM WATCH REMAINS IN EFFECT FROM
THURSDAY AFTERNOON THROUGH FRIDAY MORNING. 

AREAS OF SNOW AND PATCHY FREEZING DRIZZLE WILL CONTINUE LATE THIS
AFTERNOON...BUT LITTLE ADDITIONAL ACCUMULATIONS OF SNOWFALL IS
EXPECTED FOR MOST AREAS. HOWEVER...AND INCH OR SO ADDITIONAL
ACCUMULATION IS LIKELY IN AREAS AROUND MITCHELL AND ALEXANDRIA.

LIGHT SNOW IS EXPECTED TO REDEVELOP THURSDAY AFTERNOON AND
CONTINUE THROUGH FRIDAY MORNING. IN ADDITION...WINDS UP TO 35 MPH
ARE POSSIBLE THURSDAY AFTERNOON INTO FRIDAY MORNING. WHILE
SNOWFALL IS EXPECTED TO BE LESS THAN 6 INCHES...THE COMBINATION
OF SNOW AND BLOWING SNOW MAY PRODUCE NEAR BLIZZARD CONDITIONS.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND BLOWING SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

$$

SDZ053-010000-
/O.EXT.KFSD.SN.Y.0004.000000T0000Z-070301T0000Z/
/O.CON.KFSD.WS.A.0005.070301T1800Z-070302T1800Z/
SANBORN-
INCLUDING THE CITY OF...WOONSOCKET
310 PM CST WED FEB 28 2007

...SNOW ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS AFTERNOON...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY MORNING...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 6 PM CST THIS AFTERNOON.
A WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY MORNING. 

SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH LATE AFTERNOON.
TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 8 INCHES ARE EXPECTED. EAST
WINDS OF 15 TO 25 MPH WILL PRODUCE A FEW AREAS OF BLOWING AND
DRIFTING SNOW.

LIGHT SNOW IS EXPECTED TO REDEVELOP THURSDAY AFTERNOON AND
CONTINUE THROUGH FRIDAY MORNING. IN ADDITION...WINDS UP TO 35 MPH
ARE POSSIBLE THURSDAY AFTERNOON INTO FRIDAY MORNING. WHILE
SNOWFALL IS EXPECTED TO BE LESS THAN 6 INCHES...THE COMBINATION
OF SNOW AND BLOWING SNOW MAY PRODUCE NEAR BLIZZARD CONDITIONS.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND BLOWING SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

SDZ052-010000-
/O.EXT.KFSD.SN.Y.0004.000000T0000Z-070301T0000Z/
JERAULD-
INCLUDING THE CITIES OF...WESSINGTON SPRINGS...ALPENA
310 PM CST WED FEB 28 2007

...SNOW ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS AFTERNOON...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 6 PM CST THIS AFTERNOON.

OCCASIONAL SNOW WILL CONTINUE INTO EARLY EVENING. TOTAL SNOWFALL
ACCUMULATIONS OF 3 TO 5 INCHES ARE EXPECTED. EAST WINDS OF 15 TO
25 MPH WILL PRODUCE A FEW AREAS OF BLOWING AND DRIFTING SNOW.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

MNZ071-072-080-097-010000-
/O.CON.KFSD.SN.Y.0004.000000T0000Z-070301T0000Z/
/O.CON.KFSD.BZ.A.0001.070301T1200Z-070302T1800Z/
LINCOLN-LYON-MURRAY-PIPESTONE-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE
310 PM CST WED FEB 28 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON.
A BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING. 

SNOW WILL CONTINUE LATE THIS AFTERNOON...BRIEFLY HEAVY. THE SNOW
SHOULD DECREASE IN INTENSITY AROUND 600 PM CST. BY LATE AFTERNOON...
SNOW ACCUMULATIONS ARE EXPECTED TO BE 3 TO 6 INCHES.

SNOW IS EXPECTED TO REDEVELOP BY LATE THURSDAY MORNING AND
CONTINUE THROUGH FRIDAY MORNING. THE HEAVIEST SNOWFALL IS
EXPECTED TO BE THURSDAY AFTERNOON AND EVENING. SNOWFALL IN EXCESS
OF 6 INCHES IS POSSIBLE. IN ADDITION...WINDS IN EXCESS OF 35 MPH
ARE POSSIBLE THURSDAY AFTERNOON THROUGH FRIDAY MORNING. THIS
COULD PRODUCE BLIZZARD CONDITIONS.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

SDZ038>040-054>056-010000-
/O.CON.KFSD.SN.Y.0004.000000T0000Z-070301T0000Z/
/O.CON.KFSD.WS.A.0005.070301T1800Z-070302T1800Z/
BEADLE-KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...HOWARD...MADISON...FLANDREAU
310 PM CST WED FEB 28 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY MORNING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON.
A WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY MORNING. 

SNOW WILL CONTINUE THROUGH LATE AFTERNOON AND BE HEAVY AT TIMES.
TOTAL SNOW ACCUMULATIONS SHOULD BE 4 TO 7 INCHES.

ON THURSDAY...NORTHWEST WINDS WILL INCREASE DURING THE AFTERNOON
AND CONTINUE INTO FRIDAY MORNING. WINDS OF 20 TO 30 MPH WITH
GUSTS TO 35 MPH ARE POSSIBLE. IN ADDITION...LIGHT SNOW IS
EXPECTED THURSDAY NIGHT AND FRIDAY. WHILE SNOW AMOUNTS ARE
EXPECTED TO BE LESS THAN 4 INCHES...THE COMBINATION OF SNOW AND
BLOWING SNOW MAY PRODUCE NEAR BLIZZARD CONDITIONS FROM THURSDAY
AFTERNOON THROUGH FRIDAY MORNING.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND BLOWING SNOW WHICH MAY IMPACT TRAVEL. CONTINUE TO
MONITOR THE LATEST FORECASTS.

$$

IAZ013-014-021-022-032-010515-
/O.CON.KFSD.BZ.A.0001.070301T1200Z-070302T1800Z/
OBRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA-
INCLUDING THE CITIES OF...SHELDON...HARTLEY...SANBORN...SPENCER...
CHEROKEE...STORM LAKE...IDA GROVE...HOLSTEIN...BATTLE CREEK
310 PM CST WED FEB 28 2007

...BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...

A BLIZZARD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING. 

AREAS OF LIGHT SNOW...MIXED WITH SOME SLEET OR FREEZING RAIN WILL
GRADUALLY TAPER OFF THROUGH EARLY AFTERNOON. ADDITIONAL SNOW
ACCUMULATIONS WILL BE AN INCH OR LESS..AND MAINLY FROM ALONG
HIGHWAY 18 NORTH.

SNOW IS EXPECTED TO REDEVELOP THURSDAY MORNING AND CONTINUE
THROUGH FRIDAY MORNING. THE HEAVIEST SNOWFALL IS EXPECTED TO BE
DURING THE DAY ON THURSDAY. SNOWFALL IN EXCESS OF 6 INCHES IS
POSSIBLE. IN ADDITION...WINDS IN EXCESS OF 35 MPH ARE POSSIBLE
THURSDAY AFTERNOON THROUGH FRIDAY MORNING. THIS COULD PRODUCE
BLIZZARD CONDITIONS.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

IAZ020-031-NEZ013-014-SDZ068>071-010515-
/O.CON.KFSD.WS.A.0005.070301T1800Z-070302T1800Z/
PLYMOUTH-WOODBURY-DIXON-DAKOTA-BON HOMME-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...SIOUX CITY...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...TYNDALL...SCOTLAND...
SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
310 PM CST WED FEB 28 2007

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY MORNING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY MORNING. 

LIGHT SNOW IS EXPECTED TO REDEVELOP THURSDAY AFTERNOON AND
CONTINUE THROUGH FRIDAY MORNING. IN ADDITION...WINDS UP TO 35 MPH
ARE POSSIBLE THURSDAY AFTERNOON INTO FRIDAY MORNING. WHILE
SNOWFALL IS EXPECTED TO BE LESS THAN 6 INCHES...THE COMBINATION OF
SNOW AND BLOWING SNOW MAY PRODUCE NEAR BLIZZARD CONDITIONS.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND BLOWING SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

$$

JC
000 
WWUS43 KFSD 282232
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
432 PM CST WED FEB 28 2007

.A MID-LEVEL FRONT WILL CONTINUE TO WORK NORTH...RESULTING IN
ADDITIONAL SNOW ACCUMULATIONS OF ONE TO TWO INCHES MAINLY NORTH
OF INTERSTATE 90 THROUGH EARLY EVENING. LOW PRESSURE WILL RAPIDLY
INTENSIFY ON THURSDAY MORNING AS IT MOVES INTO THE UPPER MIDWEST.
MODERATE TO HEAVY SNOW IS EXPECTED TO DEVELOP ALONG AND EAST OF
INTERSTATE 29 AND CONTINUE WELL INTO FRIDAY. IN ADDITION...STRONG
NORTHWEST WINDS OF 25 TO 40 MPH WILL DEVELOP OVER MUCH OF THE REGION
AS THE LOW PRESSURE SYSTEM INTENSIFIES. THIS MAY CREATE BLIZZARD
OR NEAR BLIZZARD CONDITIONS OVER MUCH OF NORTHWEST IOWA...
SOUTHEAST SOUTH DAKOTA... SOUTHWEST MINNESOTA...AND EXTREME
NORTHEAST NEBRASKA.

SDZ038-039-053>055-010000-
/O.CAN.KFSD.WS.A.0005.070301T1800Z-070302T1800Z/
/O.NEW.KFSD.BZ.A.0002.070302T0000Z-070303T0000Z/
/O.CON.KFSD.SN.Y.0004.000000T0000Z-070301T0000Z/
BEADLE-KINGSBURY-SANBORN-MINER-LAKE-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...WOONSOCKET...HOWARD...MADISON
432 PM CST WED FEB 28 2007

...WINTER STORM WATCH IS CANCELLED...
...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...BLIZZARD WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD
WATCH...WHICH IS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
AFTERNOON. THE WINTER STORM WATCH HAS BEEN CANCELLED. A SNOW
ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. 

MODERATE SNOW WILL CONTINUE THROUGH LATE AFTERNOON HOURS WITH TOTAL
SNOW ACCUMULATIONS RANGING FROM 4 TO 7 INCHES.

ON THURSDAY...NORTHWEST WINDS WILL INCREASE DURING THE AFTERNOON HOURS
AND CONTINUE INTO FRIDAY AFTERNOON. NORTHWEST WINDS OF 20 TO 35
MPH WITH GUSTS TO 40 MPH ARE POSSIBLE. IN ADDITION...LIGHT SNOW IS
EXPECTED THURSDAY NIGHT AND FRIDAY. WHILE SNOW AMOUNTS ARE
EXPECTED TO BE LESS THAN 4 INCHES...THE COMBINATION OF SNOW AND
BLOWING SNOW MAY PRODUCE NEAR BLIZZARD CONDITIONS FROM THURSDAY
AFTERNOON THROUGH FRIDAY AFTERNOON.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

NEZ013-SDZ059>061-065-066-068>070-010645-
/O.CAN.KFSD.WS.A.0005.070301T1800Z-070302T1800Z/
/O.NEW.KFSD.BZ.A.0002.070302T0000Z-070303T0000Z/
DIXON-DAVISON-HANSON-MCCOOK-HUTCHINSON-TURNER-BON HOMME-YANKTON-
CLAY-
INCLUDING THE CITIES OF...WAKEFIELD...PONCA...ALLEN...MITCHELL...
ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE...
MARION...VIBORG...HURLEY...CHANCELLOR...TYNDALL...SCOTLAND...
SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION
432 PM CST WED FEB 28 2007

...WINTER STORM WATCH IS CANCELLED...
...BLIZZARD WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD
WATCH...WHICH IS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
AFTERNOON. THE WINTER STORM WATCH HAS BEEN CANCELLED. 

LIGHT SNOW IS EXPECTED TO REDEVELOP THURSDAY AFTERNOON AND
CONTINUE THROUGH FRIDAY AFTERNOON. IN ADDITION...NORTHWEST WINDS
UP TO 40 MPH ARE POSSIBLE THURSDAY AFTERNOON INTO FRIDAY
AFTERNOON. WHILE SNOWFALL IS EXPECTED TO BE LESS THAN 6
INCHES...THE COMBINATION OF SNOW AND BLOWING SNOW MAY PRODUCE NEAR
BLIZZARD CONDITIONS.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

MNZ071-072-080-097-010000-
/O.UPG.KFSD.BZ.A.0001.070301T1200Z-070302T1800Z/
/O.NEW.KFSD.BZ.W.0001.070301T1800Z-070303T0000Z/
/O.CON.KFSD.SN.Y.0004.000000T0000Z-070301T0000Z/
LINCOLN-LYON-MURRAY-PIPESTONE-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE
432 PM CST WED FEB 28 2007

...BLIZZARD WARNING IN EFFECT FROM 12 PM THURSDAY TO 6 PM CST
FRIDAY...
...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 12 PM THURSDAY TO 6 PM CST
FRIDAY. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. A SNOW
ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. 

LIGHT TO MODERATE SNOW MIXED WITH PERIODS OF FREEZING DRIZZLE WILL
CONTINUE LATE THIS AFTERNOON WITH TOTAL SNOW ACCUMULATIONS OF 3 TO
6 INCHES.

SNOW IS EXPECTED TO REDEVELOP BY LATE THURSDAY MORNING AND
CONTINUE THROUGH FRIDAY EVENING. THE HEAVIEST SNOWFALL IS
EXPECTED TO BE THURSDAY AFTERNOON AND EVENING. TOTAL SNOWFALL
AMOUNTS AROUND ONE FOOT COMBINED WITH STRONG NORTHWEST WINDS IN
EXCESS OF 35 MPH ARE EXPECTED THURSDAY AFTERNOON THROUGH FRIDAY
EVENING. THIS WILL PRODUCE BLIZZARD CONDITIONS MAKING TRAVEL NEAR
IMPOSSIBLE.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

SDZ040-056-010000-
/O.UPG.KFSD.WS.A.0005.070301T1800Z-070302T1800Z/
/O.NEW.KFSD.BZ.W.0001.070301T1800Z-070303T0000Z/
/O.CON.KFSD.SN.Y.0004.000000T0000Z-070301T0000Z/
BROOKINGS-MOODY-
INCLUDING THE CITIES OF...BROOKINGS...FLANDREAU
432 PM CST WED FEB 28 2007

...BLIZZARD WARNING IN EFFECT FROM 12 PM THURSDAY TO 6 PM CST
FRIDAY...
...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 12 PM THURSDAY TO 6 PM CST
FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. A SNOW
ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. 

LIGHT TO MODERATE SNOW MIXED WITH PERIODS OF FREEZING DRIZZLE WILL
CONTINUE LATE THIS AFTERNOON WITH TOTAL SNOW ACCUMULATIONS OF 3 TO
6 INCHES.

SNOW IS EXPECTED TO REDEVELOP AROUND NOON ON THURSDAY AND
CONTINUE THROUGH FRIDAY EVENING. THE HEAVIEST SNOWFALL IS EXPECTED
TO BE FROM THURSDAY AFTERNOON THROUGH FRIDAY MORNING. TOTAL SNOWFALL
AMOUNTS AROUND OF SEVEN TO TWELVE INCHES COMBINED WITH STRONG NORTHWEST
WINDS IN EXCESS OF 35 MPH ARE EXPECTED THURSDAY AFTERNOON THROUGH
FRIDAY EVENING. THIS WILL PRODUCE BLIZZARD CONDITIONS MAKING
TRAVEL NEAR IMPOSSIBLE.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

IAZ002-003-012>014-021-022-032-010645-
/O.UPG.KFSD.BZ.A.0001.070301T1200Z-070302T1800Z/
/O.NEW.KFSD.BZ.W.0001.070301T1200Z-070303T0000Z/
OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...
SANBORN...SPENCER...CHEROKEE...STORM LAKE...IDA GROVE...
HOLSTEIN...BATTLE CREEK
432 PM CST WED FEB 28 2007

...BLIZZARD WARNING IN EFFECT FROM 6 AM THURSDAY TO 6 PM CST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 6 AM THURSDAY TO 6 PM CST
FRIDAY. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. 

SNOW IS EXPECTED TO REDEVELOP THURSDAY MORNING AND CONTINUE
THROUGH FRIDAY EVENING. THE HEAVIEST SNOWFALL IS EXPECTED
THROUGHOUT THE DAY ON THURSDAY. TOTAL SNOWFALL AMOUNTS ARE
EXPECTED TO RANGE FROM SIX TO EIGHT INCHES IN WESTERN SIOUX
COUNTY...TO AROUND ONE FOOT NEAR HIGHWAY 71. IN ADDITION...
NORTHWEST WINDS IN EXCESS OF 35 MPH ARE POSSIBLE THURSDAY
AFTERNOON THROUGH FRIDAY EVENING. THIS WILL PRODUCE BLIZZARD
CONDITIONS MAKING TRAVEL NEAR IMPOSSIBLE. 

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

$$

IAZ001-MNZ081-089-090-098-010645-
/O.UPG.KFSD.BZ.A.0001.070301T1200Z-070302T1800Z/
/O.NEW.KFSD.BZ.W.0001.070301T1800Z-070303T0000Z/
LYON-COTTONWOOD-NOBLES-JACKSON-ROCK-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...WINDOM...MOUNTAIN LAKE...WORTHINGTON...JACKSON...
LAKEFIELD...LUVERNE
432 PM CST WED FEB 28 2007

...BLIZZARD WARNING IN EFFECT FROM 12 PM THURSDAY TO 6 PM CST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 12 PM THURSDAY TO 6 PM CST
FRIDAY. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. 

SNOW IS EXPECTED TO REDEVELOP BY LATE THURSDAY MORNING AND
CONTINUE THROUGH FRIDAY EVENING. THE HEAVIEST SNOWFALL IS EXPECTED
TO BE THURSDAY AFTERNOON AND EVENING. TOTAL SNOW ACCUMULATION ARE
EXPECTED TO VARY FROM EIGHT TO TWELVE INCHES OF SNOW IN WESTERN
ROCK COUNTY...TO WELL OVER ONE FOOT IN JACKSON AND COTTONWOOD
COUNTIES. STRONG NORTHWEST WINDS IN EXCESS OF 25 TO 40 MPH ARE
EXPECTED THURSDAY AFTERNOON THROUGH FRIDAY AFTERNOON. THIS WILL PRODUCE
BLIZZARD CONDITIONS MAKING TRAVEL NEAR IMPOSSIBLE.  

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

$$

SDZ062-067-010645-
/O.UPG.KFSD.WS.A.0005.070301T1800Z-070302T1800Z/
/O.NEW.KFSD.BZ.W.0001.070301T1800Z-070303T0000Z/
MINNEHAHA-LINCOLN-
INCLUDING THE CITIES OF...SIOUX FALLS...CANTON...LENNOX...TEA...
HARRISBURG
432 PM CST WED FEB 28 2007

...BLIZZARD WARNING IN EFFECT FROM 12 PM THURSDAY TO 6 PM CST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 12 PM THURSDAY TO 6 PM CST
FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 


LIGHT SNOW IS EXPECTED TO REDEVELOP THURSDAY AFTERNOON AND
CONTINUE THROUGH FRIDAY EVENING. TOTAL SNOW ACCUMULATIONS OF FIVE
TO NINE INCHES OF SNOW COMBINED WITH NORTHWEST WINDS OF 25 TO 35
MPH WILL CREATE BLIZZARD CONDITIONS. THIS WILL MAKE TRAVEL NEAR
IMPOSSIBLE...ESPECIALLY IN OPEN AREAS. 

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND BLOWING SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

$$

IAZ020-031-NEZ014-SDZ071-010645-
/O.UPG.KFSD.WS.A.0005.070301T1800Z-070302T1800Z/
/O.NEW.KFSD.BZ.W.0001.070301T1200Z-070303T0000Z/
PLYMOUTH-WOODBURY-DAKOTA-UNION-
INCLUDING THE CITIES OF...LE MARS...SIOUX CITY...
SOUTH SIOUX CITY...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
432 PM CST WED FEB 28 2007

...BLIZZARD WARNING IN EFFECT FROM 6 AM THURSDAY TO 6 PM CST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 6 AM THURSDAY TO 6 PM CST
FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

LIGHT SNOW IS EXPECTED TO REDEVELOP THURSDAY MORNING AND
CONTINUE THROUGH FRIDAY EVENING. TOTAL SNOWFALL ACCUMULATIONS ARE
EXPECTED TO RANGE FROM NEAR FIVE INCHES ALONG THE INTERSTATE 29
CORRIDOR...TO NEAR ONE FOOT ALONG EASTERN WOODBURY TO EASTERN
PLYMOUTH COUNTIES. IN ADDITION...STRONG NORTHWEST WINDS OF 25 TO 40 MPH ARE
EXPECTED THURSDAY AFTERNOON INTO FRIDAY EVENING CREATING NEAR
WHITEOUT CONDITIONS...MAKING TRAVEL NEAR IMPOSSIBLE. 

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND BLOWING SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

$$

SDZ052-010000-
/O.NEW.KFSD.BZ.A.0002.070302T0000Z-070303T0000Z/
/O.CON.KFSD.SN.Y.0004.000000T0000Z-070301T0000Z/
JERAULD-
INCLUDING THE CITIES OF...WESSINGTON SPRINGS...ALPENA
432 PM CST WED FEB 28 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...BLIZZARD WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD
WATCH...WHICH IS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
AFTERNOON. A SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. 

OCCASIONAL SNOW WILL CONTINUE INTO EARLY EVENING. TOTAL SNOWFALL
ACCUMULATIONS OF 3 TO 5 INCHES ARE EXPECTED. EAST WINDS OF 15 TO
25 MPH WILL PRODUCE A FEW AREAS OF BLOWING AND DRIFTING SNOW.

ON THURSDAY...NORTHWEST WINDS WILL INCREASE DURING THE AFTERNOON HOURS
AND CONTINUE INTO FRIDAY AFTERNOON. NORTHWEST WINDS OF 20 TO 35
MPH WITH GUSTS TO 40 MPH ARE POSSIBLE. IN ADDITION...LIGHT SNOW IS
EXPECTED THURSDAY NIGHT AND FRIDAY. WHILE SNOW AMOUNTS ARE
EXPECTED TO BE LESS THAN 4 INCHES...THE COMBINATION OF SNOW AND
BLOWING SNOW MAY PRODUCE NEAR BLIZZARD CONDITIONS FROM THURSDAY
AFTERNOON THROUGH FRIDAY AFTERNOON.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

SDZ058-064-010645-
/O.NEW.KFSD.BZ.A.0002.070302T0000Z-070303T0000Z/
AURORA-DOUGLAS-
INCLUDING THE CITIES OF...PLANKINTON...WHITE LAKE...STICKNEY...
ARMOUR...CORSICA...DELMONT
432 PM CST WED FEB 28 2007

...BLIZZARD WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD
WATCH...WHICH IS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
AFTERNOON. 

ON THURSDAY...NORTHWEST WINDS WILL INCREASE DURING THE AFTERNOON HOURS
AND CONTINUE INTO FRIDAY AFTERNOON. NORTHWEST WINDS OF 20 TO 35
MPH WITH GUSTS TO 40 MPH ARE POSSIBLE. IN ADDITION...LIGHT SNOW IS
EXPECTED THURSDAY NIGHT AND FRIDAY. WHILE SNOW AMOUNTS ARE
EXPECTED TO ONLY TOTAL TO A FEW INCHES...THE COMBINATION OF SNOW AND
BLOWING SNOW MAY PRODUCE NEAR BLIZZARD CONDITIONS FROM THURSDAY
AFTERNOON THROUGH FRIDAY AFTERNOON.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

SDZ050-057-063-010645-
/O.NEW.KFSD.BZ.A.0002.070302T0000Z-070303T0600Z/
GREGORY-BRULE-CHARLES MIX-
INCLUDING THE CITIES OF...GREGORY...BURKE...CHAMBERLAIN...
KIMBALL...WAGNER...PLATTE...LAKE ANDES...MARTY
432 PM CST WED FEB 28 2007

...BLIZZARD WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
EVENING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD
WATCH...WHICH IS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
EVENING. 

ON THURSDAY...NORTHWEST WINDS WILL INCREASE DURING THE AFTERNOON HOURS
AND CONTINUE INTO THROUGH FRIDAY EVENING. NORTHWEST WINDS OF 20 TO 35
MPH WITH GUSTS TO 40 MPH ARE POSSIBLE. IN ADDITION...LIGHT SNOW IS
EXPECTED THURSDAY NIGHT AND FRIDAY. WHILE SNOW AMOUNTS ARE
EXPECTED TO ONLY TOTAL TO A FEW INCHES...THE COMBINATION OF SNOW AND
BLOWING SNOW MAY PRODUCE NEAR BLIZZARD CONDITIONS FROM THURSDAY
AFTERNOON THROUGH FRIDAY AFTERNOON.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

BT

What forecasters said that day

The local office's own words before this blizzard watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Sioux Falls, SD wrote its last area forecast discussion before this blizzard watch went out at Feb 27, 8:45 PM CST, 7 hours 29 minutes earlier.

Area forecast discussion, Feb 27, 8:45 PM CST, 7 hours 29 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
845 PM CST TUE FEB 27 2007

.DISCUSSION...
PLENTY OF ECHOES HAVE BEEN DEVELOPING ON REGIONAL RADARS OVER THE
PAST COUPLE OF HOURS WITH ADVANCE OF MID LEVEL FRONTAL ZONE. HOWEVER
NOT A LOT OF THIS PRECIP BEING REALIZED AT THE SURFACE QUITE YET...
WITH KABR/KOAX RAOBS AND RECENT TAMDAR SOUNDINGS OUT OF KSUX ALL
SHOWING DEEP DRY LAYER BETWEEN 600-875MB. QUITE A BIT OF MID LEVEL
LIFT MOVING INTO THE CWA...MAINLY AFTER 06Z. INITIAL LIFT WILL HAVE
TO WORK TOWARD SATURATION...BUT QUICK RAMP-UP/EXPANSION OF POPS IN
06Z-12Z TIMEFRAME STILL LOOKS VERY REASONABLE. POTENTIAL FOR MIXED
PRECIP LOOKS LIKE THE CORRECT CHOICE FOR MISSOURI RIVER AREA AS
WELL...WITH KSUX TAMDAR SOUNDINGS SHOWING WARM LAYER AT ZERO TO +1C
AT 850MB. 00Z NAM LOOKS TO HAVE INITIALIZED THIS AREA PRETTY WELL...
BUT NOT QUITE COLD ENOUGH ON THE BACK SIDE WHERE 00HR 850MB TEMPS AT
KUNR/KLBF ARE 2-3C TOO WARM. WILL TAKE A LITTLE CLOSER LOOK BEFORE
MAKING ANY CHANGES...BUT MAY NEED TO INTRODUCE BRIEF PERIOD OF MIXED
PRECIP INTO SOUTHWEST COUNTIES FOR THE LATE NIGHT HOURS AS WELL.

TWEAKED HOURLY TEMPS EARLIER THIS EVENING...ESPECIALLY IN NORTHEAST
AREAS WHERE THEY DID NOT WARM UP QUITE AS MUCH AS EXPECTED IN THE
AFTERNOON. TEMPS SHOULD REBOUND A LITTLE OVERNIGHT AS WINDS INCREASE
THOUGH...AND GOING FORECAST HAS THIS IDEA WELL HANDLED. NO UPDATES
TO ZFP NEEDED AT THIS TIME...THOUGH AS MENTIONED ABOVE...MAY NEED TO
BRIEFLY MENTION SOME SLEET IN FAR SOUTHWEST CWA AFTER 06Z. UPDATED
GRIDS/PFM HAVE BEEN SENT.

&&

.AVIATION...
VFR CONDITIONS AT KHON/KFSD/KSUX AREAS WILL DETERIORATE QUICKLY
BETWEEN 06Z-12Z AS UPPER LEVEL LIFT INCREASES AND HELPS SATURATE
ATMOSPHERE BENEATH QUICK MOVING MID LEVEL FRONT. PERIOD OF MODERATE
TO BRIEFLY HEAVY SNOW POSSIBLE AT KHON/KFSD AFTER 11Z...WITH VSBYS
ARND 1/2SM LKLY AT KHON 11Z-14Z...AND KFSD FROM 12Z-16Z. WARMER AIR
ALFT SHUD BE LIMITED TO AREAS NEAR THE MISSOURI RIVER...INCLDUING
ARND KSUX AND TWB302...WITH ICING CONDITIONS MOST LIKELY FROM
11Z-17Z.

&&

.PREV DISCUSSION...
APOLOGIES FOR THE VERY LONG HEADLINE CODE BELOW...ONE OF THE HAZARDS
OF DEALING WITH TWO STORM EVENTS IN THE SHORTER TERM. FOR TONIGHT
AND WED MORNING...AM ANTICIPATING SOME STEADY TO SLOWLY RISING TEMPS
AFTER EVENING OR MIDNIGHT AS THE SE WINDS INCREASE. WE ARE STILL ON
TARGET WITH A TON OF WAA MOVG INTO THE FA LATER TONIGHT AND WED
ASSOCIATED WITH A S/W. A NW TO SE BAND OF SNOW WL DEVELOP ALONG A
MID LVL FRONTOGENESIS BAND ASSOCIATED WITH THE MID LVL FRONT. ONE
CAN ALREADY SEE ECHOES DEVELOPING IN WRN SD...WITH REDUCED
VISIBILITIES AT PLACES SUCH AS RAPID CITY AND CUSTER. THIS BAND IS
BEGINNING TO TIE INTO SOME LIGHT ECHOES IN NORTH CENTRAL NEB...
HOWEVER THE LOW LVLS ARE INTIALLY DRY IN OUR CWFA. IN ADDITION...WE
ARE UNSTABLE TONIGHT AND WED MORNING WITH THIS WAVE. ABOVE THE MAX
FRONTOGENESIS AREA IS QUITE AN UNSTABLE AREA OF NEG EPV*. SOME LTG
IS NOTED ATTM IN ERN WY. SO THOUGHTS ARE...THAT THE SNOW BAND COULD
POUND PRETTY GOOD AS IT LIFTS NEWD ACROSS THE FA...ESP SINCE WE DO
HAVE SOME DENDRITICITY TO WORK WITH. NAM THERMAL PROFILES DO SHOW A
MIX OF PCPN IN THE FAR SRN CWFA LATE TONIGHT AND WED...EVEN AFTER
SUBTRACTING OFF 1 TO 2 DEGS CELSIUS OFF OF THE USUALLY TOO WARM NAM
WARM PROFILE. THEREFORE ISSUED A WINTER WX ADVY FOR MIXED PCPN FM
KYKN TO KSLB. SNOW ADVYS OR WINTER STORM WARNINGS ARE WARRANTED
NORTH OF THERE FOR MUCH OF THE REST OF THE FA FOR THE BAND OF SNOW.
LEFT THE SW CWFA FREE OF HEADLINES AS FOR NOW...AS IT LOOKS LIKE THE
DYNAMICS WL LIFT TOO FAR NEWD TOO FAST WED MORNING...LEAVING THAT
AREA DRY BY AFTERNOON.

BY WED AFTERNOON...NOT A HUGE REBOUND IN TEMPS IS EXPECTED DUE TO
LOW CLOUD COVER HANGING AROUND. LIGHT SNOW WL STILL BE LIKELY IN OUR
NE SECTOR WHERE MSTR REMAINS THE DEEPEST. HOWEVER MOVG SW OF THERE...
DRY AIR BEGINS TO POUR INTO THE MID LVLS. SO...IF ANY PCPN HAPPENS
WED AFTERNOON IN AREAS W OF SW MN...IT SHOULD BE DRIZZLE OR FREEZING
DRIZZLE. BUT WOULD BE EXTREMELY LIGHT.

NEXT VERY STRONG SYSTEM THEN LIFTS NEWD ON THU INTO THE ERN PLAINS.
OUR FAR SERN CWFA IN NW IA GETS SCRAPED BY SOME LOW TO MID LVL
FRONTOGENESIS WED NIGHT. HOWEVER...AM NOT BUYING THE STRONG QPF IN
THAT AREA WED NIGHT PER THE GFS...AS THE GFS DEVELOPS A CONVECTIVE
LOOKING S/W NEAR SPENCER IA. MID LVLS PER BOTH MODELS ARE STILL
RATHER DRY FOR MUCH OF THE FA...SO BELIEVE ONLY VERY LIGHT PCPN IS
WARRANTED OVER OUR NE HALF. THEN AS MENTIONED...THE STRONG UPPER
WAVE THEN LIFTS NEWD FM THE CENTRAL PLAINS INTO ERN PLAINS WHERE IT
BOMBS. VERY WINDY CONDS WILL PREVAIL...ESP BY THU NIGHT AND FRIDAY
WITH SOME POSSIBLE HEAVY SNOW IN PARTS OF OUR ERN FA BEHIND THE
UPPER LOW. TROWALING IS STILL EVIDENT ON FRI AND FRI NIGHT IN ERN SD
KEEPING THINGS STIRRED UP IN THIS AREA. WE MAY HAVE TO EXTEND THE
WINTER STORM WATCH WWD FM ABOUT SIOUX FALLS TO BROOKINGS ON FUTURE
SHIFTS BECAUSE THE WIND IS SO STRONG. BUT WERE STILL EXPECTING THE
HEAVIEST SNOW AMOUNTS OF 6 TO 10 INCHES IN OUR FAR ERN CWFA ON
THURSDAY...POSSIBLY THU EVENING WHEN THE MID TO UPPER LOW IN IN NRN
IA.

IN THE EXTENDED...BRISK NORTHWEST FLOW WILL CONTINUE INTO SATURDAY
WITH AROUND 30 KNOTS OF FLOW AT 925 MB GRADUALLY DECREASING
THROUGHOUT THE DAY. THERE IS THE POTENTIAL FOR A FEW FLURRIES IN THE
EAST EARLY SATURDAY MORNING...BUT AS THE MID LEVELS CONTINUE TO DRY
OUT WOULD NOT EXPECT FLURRIES TO LAST BEYOND MIDDAY. NOT CONFIDENT
ENOUGH TO ADD TO FORECAST AT THIS POINT...BUT IS SOMETHING TO KEEP
AN EYE ON. EXPECT ATMOSPHERE TO CONTINUE TO DRY OUT THROUGHOUT THE
DAY ON SATURDAY...AND CLOUD SHIELD WILL GRADUALLY SHIFT EAST WITH
DEPARTING UPPER LEVEL LOW. BRIEF WARMING TREND WILL ENSUE SATURDAY
INTO SUNDAY...THOUGH HAVE CONTINUED CONSERVATIVE HIGHS DESPITE 925
MB RISING TO NEAR 0 C. WARMING TREND DOESN/T LAST TOO LONG
THOUGH...AS ARCTIC PUSH WORKS INTO UPPER MIDWEST ON MONDAY. BELOW
NORMAL TEMPERATURES WILL CONTINUE INTO TUESDAY...THOUGH HIGHS ON
TUESDAY LOOK TO WARM SOME OVER MONDAY/S COOL READINGS.

&&

.FSD WATCHES/WARNINGS/ADVISORIES...
IA...SNOW ADVISORY FROM 2 AM TO 12 PM CST WEDNESDAY FOR IAZ001-012.
     WINTER WEATHER ADVISORY FROM 2 AM TO 12 PM CST WEDNESDAY FOR
     IAZ020-031.
     SNOW ADVISORY FROM 6 AM TO 6 PM CST WEDNESDAY FOR
     IAZ002-003-013-014.
     WINTER STORM WATCH FROM THURSDAY MORNING THROUGH FRIDAY
     AFTERNOON FOR IAZ001>003-012>014-021-022-032.
     WINTER WEATHER ADVISORY FROM 6 AM TO 4 PM CST WEDNESDAY FOR
     IAZ021-022-032.

MN...SNOW ADVISORY FROM 2 AM TO 12 PM CST WEDNESDAY FOR MNZ098.
     WINTER STORM WARNING FROM 6 AM TO 6 PM CST WEDNESDAY FOR MNZ071-
     072-080-081-089-090-097.
     WINTER STORM WATCH FROM THURSDAY MORNING THROUGH FRIDAY
     AFTERNOON FOR MNZ071-072-080-081-089-090-097-098.

NE...WINTER WEATHER ADVISORY FROM 2 AM TO 12 PM CST WEDNESDAY FOR
     NEZ013-014.

SD...SNOW ADVISORY FROM 2 AM TO 12 PM CST WEDNESDAY FOR SDZ052-053-
     059>062-066-067.
     WINTER WEATHER ADVISORY FROM 2 AM TO 12 PM CST WEDNESDAY FOR
     SDZ065-068>071.
     WINTER STORM WARNING FROM 6 AM TO 6 PM CST WEDNESDAY FOR SDZ040-
     056.
     WINTER STORM WARNING FROM 2 AM TO 12 PM CST WEDNESDAY FOR
     SDZ038-039-054-055.

&&

 JH
Hazardous weather outlook, Feb 27, 5:39 AM CST, 22 hours 35 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
0539 AM CST TUE FEB 27 2007

SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-281200-
AURORA-BEADLE-BON HOMME-BROOKINGS-BRULE-BUENA VISTA IA-
CHARLES MIX-CHEROKEE IA-CLAY-CLAY IA-COTTONWOOD MN-DAKOTA NE-
DAVISON-DICKINSON IA-DIXON NE-DOUGLAS-GREGORY-HANSON-HUTCHINSON-
IDA IA-JACKSON MN-JERAULD-KINGSBURY-LAKE-LINCOLN-LINCOLN MN-
LYON IA-LYON MN-MCCOOK-MINER-MINNEHAHA-MOODY-MURRAY MN-NOBLES MN-
OBRIEN IA-OSCEOLA IA-PIPESTONE MN-PLYMOUTH IA-ROCK MN-SANBORN-
SIOUX IA-TURNER-UNION-WOODBURY IA-YANKTON-
0539 AM CST TUE FEB 27 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA...
SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA.

.DAY ONE...TODAY AND TONIGHT

WINTER WEATHER...

SNOW WILL DEVELOP OVER SOUTH CENTRAL SOUTH DAKOTA AFTER 6 PM
TONIGHT...AND THEN SPREAD TO THE NORTH AND EAST DURING THE
OVERNIGHT HOURS. SNOW MAY BECOME HEAVY AT TIMES...AND WILL
ACCUMULATE 2 TO 4 INCHES WEST OF A LINE ROUGHLY FROM YANKTON TO
SIOUX FALLS TO JUST EAST OF BROOKINGS BY 7 AM ON WEDNESDAY.
HIGHEST AMOUNTS WILL BE IN THE NORTHERN JAMES RIVER VALLEY NORTH
OF INTERSTATE 90 AND WEST OF INTERSTATE 29.  PLACES IN FAR
NORTHEASTERN NEBRASKA...SOUTHWESTERN MINNESOTA...AND NORTHWESTERN
IOWA WILL RECEIVE LESS THAN 2 INCHES OF SNOWFALL BY EARLY ON
WEDNESDAY MORNING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

SNOW WILL CONTINUE TO FALL THROUGH THE AFTERNOON HOURS ON
WEDNESDAY...AND MAY TAPER OFF TO FREEZING DRIZZLE BY LATER IN THE
AFTERNOON.  TOTAL SNOW ACCUMULATION BY WEDNESDAY AFTERNOON WILL
BE 4 TO 6 INCHES NORTH OF INTERSTATE 90...AND 2 TO 4 INCHES SOUTH
OF THIS LINE.

ANOTHER STORM SYSTEM WILL BRING ADDITIONAL SNOW TO THE AREA ON
THURSDAY.  AT THIS TIME...IT APPEARS THAT THE HEAVIEST SNOW WILL
OCCUR IN AREAS EAST OF INTERSTATE 29.  WHILE MOST PLACES COULD
SEE 3 TO 6 INCHES OF SNOW WITH THE SYSTEM...PORTIONS OF
SOUTHWESTERN MINNESOTA COULD GET UP TO 6 TO 8 INCHES BY THURSDAY
NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

&&

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.CRH.NOAA.GOV/FSD. THIS INCLUDES THE GRAPHICAL HAZARDOUS
WEATHER OUTLOOK.

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 28, 10:43 AM CSTWinter Storm WatchFSDPlymouth, Woodbury6 hr
Feb 28, 4:32 PM CSTBlizzard WarningFSDBuena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more61 hr

Nearby

Blizzard Watches in Iowa, 2007Blizzard Watches in Minnesota, 2007Every blizzard watch in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.