Alert archive / Minnesota / Winter Storm Warnings in 2007

Winter Storm Warning 3, NWS Sioux Falls, SD

February 27, 20076 counties in South Dakota; 7 counties in Minnesota

NWS Sioux Falls, SD issued this winter storm warning at Feb 27, 2007, 4:08 AM CST for 6 counties in South Dakota; 7 counties in Minnesota. It took effect at Feb 27, 2007, 4:30 PM CST. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 27, 2007, 4:08 AM CST (10:08 UTC)
In effect from
Feb 27, 2007, 4:30 PM CST
Expired
Feb 28, 2007, 4:14 AM CST
In force
12 hr
Issued by
NWS Sioux Falls, SD

Counties Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Beadle County, SD, Brookings County, SD, Kingsbury County, SD, Lake County, SD, Miner County, SD, Moody County, SD

The radar

The Sioux Falls radar (KFSD), 62 km from the middle of the area, began a volume at 10:06 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

Aberdeen, SD (KABR), launched 00:00Z, 10.1 hours before the alert went out and 176 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, Aberdeen, SD at 00:00Z on 2007-02-27Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2007-02-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 square meters per square second.193958Sfc1 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
655 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
31 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 271008
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
408 AM CST TUE FEB 27 2007

.UPPER LEVEL LOW PRESSURE WILL SPREAD A STRONG WARM FRONT ALOFT
THROUGH THE AREA TONIGHT...BRINGING SNOW WITH IT. THE SNOW SHOULD
DEVELOP OVER CENTRAL PORTIONS OF SOUTH DAKOTA TUESDAY EVENING...THEN
SPREAD INTO EASTERN SOUTH DAKOTA...SOUTHWEST MINNESOTA AND
NORTHWEST IOWA LATE TUESDAY NIGHT. THE SNOW SHOULD DECREASE IN
INTENSITY FROM SOUTHWEST TO NORTHEAST ON WEDNESDAY AFTERNOON. A
BROAD AREA OF 3 TO 6 INCHES IS EXPECTED...WITH A MORE FOCUSED AREA
OF 6 TO 7 INCHES FROM AROUND HURON TO BROOKINGS AND IVANHOE. A
MUCH STRONGER AREA OF LOW PRESSURE WILL DEVELOP OVER KANSAS ON
WEDNESDAY NIGHT...THEN LIFT NORTHEAST INTO MINNESOTA ON THURSDAY.
THIS WILL BRING THE POTENTIAL FOR GREATER THAN 6 INCHES OF SNOW TO
MUCH OF NORTHWEST IOWA AND SOUTHWEST MINNESOTA AGAIN ON THURSDAY.

MNZ071-271815-
/O.UPG.KFSD.WS.A.0003.070228T0800Z-070228T2200Z/
/O.NEW.KFSD.WS.W.0003.070228T0800Z-070228T2200Z/
/O.NEW.KFSD.WS.A.0004.070301T1200Z-070302T1200Z/
LINCOLN-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE
408 AM CST TUE FEB 27 2007

...WINTER STORM WARNING IN EFFECT FROM 2 AM TO 4 PM CST
WEDNESDAY...
...WINTER STORM WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
LATE THURSDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 2 AM TO 4 PM CST
WEDNESDAY. A WINTER STORM WATCH HAS ALSO BEEN ISSUED. THIS WINTER
STORM WATCH IS IN EFFECT FROM THURSDAY MORNING THROUGH LATE
THURSDAY NIGHT. THE PREVIOUS WINTER STORM WATCH FOR TONIGHT INTO
WEDNESDAY IS NO LONGER IN EFFECT.

SNOW IS EXPECTED TO DEVELOP LATE TONIGHT...THEN CONTINUE INTO
WEDNESDAY AFTERNOON. THE SNOW SHOULD BECOME HEAVY AT TIMES...WITH
5 TO 7 INCHES OF ACCUMULATION EXPECTED. EAST WINDS OF 20 TO 25 MPH
MAY CAUSE SOME BLOWING AND DRIFTING OF SNOW.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

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.

$$

SDZ038>040-271815-
/O.UPG.KFSD.WS.A.0003.070228T0800Z-070228T2200Z/
/O.NEW.KFSD.WS.W.0003.070228T0800Z-070228T2200Z/
BEADLE-KINGSBURY-BROOKINGS-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS
408 AM CST TUE FEB 27 2007

...WINTER STORM WARNING IN EFFECT FROM 2 AM TO 4 PM CST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 2 AM TO 4 PM CST
WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

SNOW IS EXPECTED TO DEVELOP LATE TONIGHT...THEN CONTINUE INTO
WEDNESDAY AFTERNOON. THE SNOW SHOULD BECOME HEAVY AT TIMES...WITH
5 TO 7 INCHES OF ACCUMULATION EXPECTED. EAST WINDS OF 20 TO 25 MPH
MAY CAUSE SOME BLOWING AND DRIFTING OF SNOW.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

IAZ001>003-012>014-MNZ072-080-081-089-090-097-098-271815-
/O.UPG.KFSD.WS.A.0003.070228T0800Z-070228T2200Z/
/O.NEW.KFSD.SN.Y.0004.070228T0800Z-070228T2200Z/
/O.NEW.KFSD.WS.A.0004.070301T1200Z-070302T1200Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-MURRAY-COTTONWOOD-NOBLES-
JACKSON-PIPESTONE-ROCK-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...LUVERNE
408 AM CST TUE FEB 27 2007

...SNOW ADVISORY IN EFFECT FROM 2 AM TO 4 PM CST WEDNESDAY...
...WINTER STORM WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
LATE THURSDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 4 PM CST WEDNESDAY. A
WINTER STORM WATCH HAS ALSO BEEN ISSUED. THIS WINTER STORM WATCH
IS IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT.
THE WINTER STORM WATCH FOR LATE TONIGHT AND WEDNESDAY IS NO
LONGER IN EFFECT.

SNOW IS EXPECTED TO DEVELOP LATE TONIGHT...THEN CONTINUE INTO
EARLY WEDNESDAY AFTERNOON. THE SNOW SHOULD BE HEAVY AT
TIMES...WITH 2 TO 5 INCHES OF ACCUMULATION EXPECTED. LOCATIONS
ALONG AND SOUTH OF INTERSTATE 90 WILL LIKELY SEE AMOUNTS CLOSER TO
THE LOWER END OF THE RANGE.

A POTENTIALLY MUCH STRONGER STORM WILL MOVE INTO IOWA ON
THURSDAY. NORTHWEST IOWA AND SOUTHWEST MINNESOTA WILL SEE THE
POTENTIAL FOR GREATER THAN 6 INCHES OF SNOW ON THURSDAY.

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.

$$

SDZ052>056-059>062-066-067-271815-
/O.UPG.KFSD.WS.A.0003.070228T0800Z-070228T2200Z/
/O.NEW.KFSD.SN.Y.0004.070228T0800Z-070228T2200Z/
JERAULD-SANBORN-MINER-LAKE-MOODY-DAVISON-HANSON-MCCOOK-MINNEHAHA-
TURNER-LINCOLN-
INCLUDING THE CITIES OF...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...HOWARD...MADISON...FLANDREAU...MITCHELL...
ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG
408 AM CST TUE FEB 27 2007

...SNOW ADVISORY IN EFFECT FROM 2 AM TO 4 PM CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 4 PM CST WEDNESDAY.
THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

SNOW IS EXPECTED TO DEVELOP LATE TONIGHT...THEN CONTINUE INTO
EARLY WEDNESDAY AFTERNOON. THE SNOW SHOULD BE HEAVY AT
TIMES...WITH 2 TO 5 INCHES OF ACCUMULATION EXPECTED. LOCATIONS
ALONG AND SOUTH OF INTERSTATE 90 WILL LIKELY SEE AMOUNTS CLOSER TO
THE LOWER END OF THE 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.

$$

IAZ021-022-032-271815-
/O.NEW.KFSD.WS.A.0004.070301T1200Z-070302T1200Z/
CHEROKEE-BUENA VISTA-IDA-
INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE...IDA GROVE...
HOLSTEIN...BATTLE CREEK
408 AM CST TUE FEB 27 2007

...WINTER STORM WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
LATE THURSDAY NIGHT...

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

WHILE 1 TO 2 INCHES OF SNOW WILL BE POSSIBLE ON WEDNESDAY...A
POTENTIALLY MUCH STRONGER STORM WILL MOVE INTO IOWA ON THURSDAY.
NORTHWEST IOWA WILL SEE THE POTENTIAL FOR GREATER THAN 6 INCHES OF
SNOW ON THURSDAY.

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.

$$
5 follow-up statements
000 
WWUS43 KFSD 271705
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1105 AM CST TUE FEB 27 2007

.LOW PRESSURE WILL DEVELOP OVER THE CENTRAL PLAINS TONIGHT AND MOVE
INTO KANSAS BY WEDNESDAY AFTERNOON. SNOW SHOULD DEVELOP OVER CENTRAL
PORTIONS OF SOUTH DAKOTA TUESDAY EVENING... THEN SPREAD INTO EASTERN
SOUTH DAKOTA...SOUTHWEST MINNESOTA AND NORTHWEST IOWA LATE TUESDAY
NIGHT. THE SNOW SHOULD DECREASE IN INTENSITY FROM SOUTHWEST TO
NORTHEAST ON WEDNESDAY AFTERNOON. A BROAD AREA OF 3 TO 6 INCHES IS
EXPECTED...WITH A MORE FOCUSED AREA OF 6 TO 7 INCHES FROM AROUND
HURON TO BROOKINGS AND IVANHOE. THE LOW WILL INTENSIFY OVER EASTERN KANSAS
ON WEDNESDAY NIGHT...THEN LIFT NORTHEAST INTO IOWA ON THURSDAY. THIS
WILL BRING THE POTENTIAL FOR GREATER THAN 6 INCHES OF SNOW TO MUCH OF
NORTHWEST IOWA AND SOUTHWEST MINNESOTA AGAIN ON THURSDAY.

MNZ071-280115-
/O.CON.KFSD.WS.W.0003.070228T0800Z-070228T2200Z/
/O.CON.KFSD.WS.A.0004.070301T1200Z-070302T1200Z/
LINCOLN-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE
1105 AM CST TUE FEB 27 2007

...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM TO 4 PM CST
WEDNESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH LATE THURSDAY NIGHT...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM TO 4 PM CST
WEDNESDAY. A WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY
MORNING THROUGH LATE THURSDAY NIGHT. 

SNOW IS EXPECTED TO DEVELOP LATE TONIGHT...THEN CONTINUE INTO
WEDNESDAY AFTERNOON. THE SNOW SHOULD BECOME HEAVY AT TIMES WEDNESDAY
MORNING...WITH 5 TO 7 INCHES OF ACCUMULATION EXPECTED. EAST WINDS OF
20 TO 25 MPH MAY CAUSE SOME BLOWING AND DRIFTING OF SNOW.

A SECOND AREA OF SNOW WILL DEVELOP ON THURSDAY. ACCOMPANYING THE SNOW
WILL BE WINDS OF 20 TO 35 MPH. THIS COULD PRODUCE SIGNIFICANT SNOWFALL
AS WELL AS SIGNIFICANT BLOWING SNOW THURSDAY AFTERNOON AND THURSDAY
NIGHT.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
ARE EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR 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.

$$

SDZ038>040-280115-
/O.CON.KFSD.WS.W.0003.070228T0800Z-070228T2200Z/
BEADLE-KINGSBURY-BROOKINGS-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS
1105 AM CST TUE FEB 27 2007

...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM TO 4 PM CST
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM TO 4 PM CST
WEDNESDAY. 

SNOW IS EXPECTED TO DEVELOP AROUND MIDNIGHT...THEN CONTINUE INTO WEDNESDAY
MORNING. THE SNOW SHOULD BECOME HEAVY AT TIMES LATE TONIGHT AND EARLY
WEDNESDAY MORNING...WITH 5 TO 7 INCHES OF ACCUMULATION EXPECTED. EAST
WINDS OF 20 TO 25 MPH MAY CAUSE SOME BLOWING AND DRIFTING OF SNOW.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED
OR OCCURRING. STRONG WINDS WILL ALSO PRODUCE AREAS OF BLOWING SNOW.
THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

IAZ001>003-012>014-MNZ072-080-081-089-090-097-098-280115-
/O.CON.KFSD.SN.Y.0004.070228T0800Z-070228T2200Z/
/O.CON.KFSD.WS.A.0004.070301T1200Z-070302T1200Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-MURRAY-COTTONWOOD-NOBLES-
JACKSON-PIPESTONE-ROCK-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...LUVERNE
1105 AM CST TUE FEB 27 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 2 AM TO 4 PM CST
WEDNESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH LATE THURSDAY NIGHT...

A SNOW ADVISORY REMAINS IN EFFECT FROM 2 AM TO 4 PM CST
WEDNESDAY. A WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY
MORNING THROUGH LATE THURSDAY NIGHT. 

SNOW IS EXPECTED TO DEVELOP LATE TONIGHT...THEN CONTINUE INTO
EARLY WEDNESDAY AFTERNOON. THE SNOW SHOULD BE HEAVY AT TIMES...
WITH 3 TO 6 INCHES OF ACCUMULATION EXPECTED. THE HEAVIEST SNOWFALL IS
EXPECTED TO NORTH OF INTERSTATE 90.

A STRONGER STORM WILL MOVE INTO IOWA ON THURSDAY. NORTHWEST IOWA AND
SOUTHWEST MINNESOTA WILL SEE THE POTENTIAL FOR GREATER THAN 6 INCHES
OF SNOW ON THURSDAY. IN ADDITION...WINDS OF 20 TO 35 MPH COULD CAUSE
SIGNIFICANT BLOWING 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.

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

$$

SDZ052>056-059>062-066-067-280115-
/O.CON.KFSD.SN.Y.0004.070228T0800Z-070228T2200Z/
JERAULD-SANBORN-MINER-LAKE-MOODY-DAVISON-HANSON-MCCOOK-MINNEHAHA-
TURNER-LINCOLN-
INCLUDING THE CITIES OF...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...HOWARD...MADISON...FLANDREAU...MITCHELL...
ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG
1105 AM CST TUE FEB 27 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 2 AM TO 4 PM CST
WEDNESDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 2 AM TO 4 PM CST
WEDNESDAY. 

SNOW IS EXPECTED TO DEVELOP AFTER MIDNIGHT...THEN CONTINUE INTO
EARLY WEDNESDAY AFTERNOON. THE SNOW SHOULD BE HEAVY AT TIMES... WITH
3 TO 6 INCHES OF ACCUMULATION EXPECTED. WINDS OF 15 TO 25 MPH WILL
PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. THE HEAVIEST SNOWFALL IS
EXPECTED TO BE NORTH OF INTERSTATE 90.

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.

$$

IAZ021-022-032-280115-
/O.CON.KFSD.WS.A.0004.070301T1200Z-070302T1200Z/
CHEROKEE-BUENA VISTA-IDA-
INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE...IDA GROVE...
HOLSTEIN...BATTLE CREEK
1105 AM CST TUE FEB 27 2007

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH LATE THURSDAY NIGHT...

A WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH LATE THURSDAY NIGHT. 

WHILE 1 TO 2 INCHES OF SNOW...MIXED BRIEFLY WITH FREEZING RAIN...WILL
BE POSSIBLE ON WEDNESDAY...A POTENTIALLY MUCH STRONGER STORM WILL
MOVE INTO IOWA ON THURSDAY. NORTHWEST IOWA WILL SEE THE POTENTIAL FOR
GREATER THAN 6 INCHES OF SNOW ON THURSDAY. IN ADDITION...WINDS MAY
INCREASE TO OVER 30 MPH THURSDAY AND THURSDAY NIGHT PRODUCE
SIGNIFICANT BLOWING SNOW.

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

$$

SCHUMACHER
000 
WWUS43 KFSD 272230
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
430 PM CST TUE FEB 27 2007

.LOW PRESSURE WILL DEVELOP OVER THE CENTRAL PLAINS TONIGHT AND
MOVE INTO KANSAS BY WEDNESDAY AFTERNOON. SNOW IS EXPECTED TO DEVELOP
OVER CENTRAL PORTIONS OF SOUTH DAKOTA LATE THIS EVENING...THEN
SPREAD INTO EASTERN SOUTH DAKOTA...SOUTHWEST MINNESOTA AND
NORTHWEST IOWA EARLY WEDNESDAY MORNING. THE SNOW SHOULD DECREASE
IN INTENSITY FROM SOUTHWEST TO NORTHEAST ON WEDNESDAY AFTERNOON. A
BROAD AREA OF 3 TO 6 INCHES IS EXPECTED...WITH A MORE FOCUSED AREA
OF 6 TO 7 INCHES FROM AROUND HURON TO BOOKINGS TO SLAYTON MINNESOTA. THE
LOW WILL INTENSIFY OVER EASTERN KANSAS ON WEDNESDAY NIGHT...THEN
LIFT NORTHEAST INTO IOWA ON THURSDAY. THIS WILL BRING THE
POTENTIAL FOR GREATER THAN 6 INCHES OF SNOW TO MUCH OF NORTHWEST
IOWA AND SOUTHWEST MINNESOTA AGAIN ON THURSDAY. IN ADDITION...STRONG
NORTHWEST WINDS ARE EXPECTED TO DEVELOP ACROSS THE AREA ON
THURSDAY AND CONTINUE WELL INTO FRIDAY...WHICH WILL LIKELY CREATE
AREAS OF BLOWING AND DRIFTING SNOW.

MNZ072-080-081-089-090-097-280630-
/O.UPG.KFSD.SN.Y.0004.070228T0800Z-070228T2200Z/
/O.EXB.KFSD.WS.W.0003.070228T1200Z-070301T0000Z/
/O.EXT.KFSD.WS.A.0004.070301T1200Z-070303T0000Z/
LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-
INCLUDING THE CITIES OF...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE
430 PM CST TUE FEB 27 2007

...WINTER STORM WARNING IN EFFECT FROM 6 AM TO 6 PM CST
WEDNESDAY...
...WINTER STORM WATCH NOW IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 6 AM TO 6 PM CST
WEDNESDAY. THE WINTER STORM WATCH IS NOW IN EFFECT FROM THURSDAY
MORNING THROUGH FRIDAY AFTERNOON. THE SNOW ADVISORY IS NO LONGER
IN EFFECT. 

SNOW IS EXPECTED TO DEVELOP LATE TONIGHT...THEN CONTINUE INTO
WEDNESDAY AFTERNOON. THE SNOW IS EXPECTED TO BE HEAVY AT TIMES...
WITH 3 TO 6 INCHES OF ACCUMULATION EXPECTED. THE HEAVIEST SNOWFALL
IS EXPECTED TO NORTH OF INTERSTATE 90.

A STRONGER STORM WILL MOVE INTO IOWA ON THURSDAY. NORTHWEST IOWA
AND SOUTHWEST MINNESOTA WILL SEE THE POTENTIAL FOR GREATER THAN
6 INCHES OF SNOW ON THURSDAY. IN ADDITION...STRONG NORTHWEST
WINDS OF 20 TO 35 MPH COULD CAUSE BLOWING SNOW CREATING NEAR
BLIZZARD CONDITIONS.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

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.

$$

SDZ054-055-280630-
/O.UPG.KFSD.SN.Y.0004.070228T0800Z-070228T2200Z/
/O.EXB.KFSD.WS.W.0003.070228T0800Z-070228T1800Z/
MINER-LAKE-
INCLUDING THE CITIES OF...HOWARD...MADISON
430 PM CST TUE FEB 27 2007

...WINTER STORM WARNING IN EFFECT FROM 2 AM TO 12 PM CST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 2 AM TO 12 PM CST
WEDNESDAY. THE SNOW ADVISORY IS NO LONGER IN EFFECT. 

SNOW IS EXPECTED TO DEVELOP EARLY WEDNESDAY MORNING...THEN CONTINUE INTO
WEDNESDAY AFTERNOON. THE SNOW WILL LIKELY BE HEAVY AT TIMES... WITH 3
TO 6 INCHES OF ACCUMULATION EXPECTED. THE HEAVIEST SNOWFALL IS
EXPECTED TO BE NORTH OF INTERSTATE 90. 

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

SDZ056-280630-
/O.UPG.KFSD.SN.Y.0004.070228T0800Z-070228T2200Z/
/O.EXB.KFSD.WS.W.0003.070228T1200Z-070301T0000Z/
MOODY-
INCLUDING THE CITY OF...FLANDREAU
430 PM CST TUE FEB 27 2007

...WINTER STORM WARNING IN EFFECT FROM 6 AM TO 6 PM CST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 6 AM TO 6 PM CST
WEDNESDAY. THE SNOW ADVISORY IS NO LONGER IN EFFECT. 

SNOW IS EXPECTED TO DEVELOP EARLY WEDNESDAY MORNING AND CONTINUE
INTO WEDNESDAY AFTERNOON. THE SNOW IS EXPECTED TO BE HEAVY AT
TIMES... WITH 3 TO 6 INCHES OF ACCUMULATION EXPECTED. THE HEAVIEST
SNOWFALL IS EXPECTED TO BE NORTH OF INTERSTATE 90. EAST WINDS OF
15 TO 25 MPH MAY CREATE SOME DRIFTING OF SNOW IN OPEN AREAS. 

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

MNZ071-280630-
/O.EXT.KFSD.WS.W.0003.070228T1200Z-070301T0000Z/
/O.EXT.KFSD.WS.A.0004.070301T1200Z-070303T0000Z/
LINCOLN-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE
430 PM CST TUE FEB 27 2007

...WINTER STORM WARNING NOW IN EFFECT FROM 6 AM TO 6 PM CST
WEDNESDAY...
...WINTER STORM WATCH NOW IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY AFTERNOON...

THE WINTER STORM WARNING IS NOW IN EFFECT FROM 6 AM TO 6 PM CST
WEDNESDAY. THE WINTER STORM WATCH IS NOW IN EFFECT FROM THURSDAY
MORNING THROUGH FRIDAY AFTERNOON. 

SNOW IS EXPECTED TO DEVELOP LATE TONIGHT...THEN CONTINUE INTO
WEDNESDAY AFTERNOON. THE SNOW SHOULD BECOME HEAVY AT TIMES
WEDNESDAY MORNING...WITH 5 TO 7 INCHES OF ACCUMULATION EXPECTED.
EAST WINDS OF 20 TO 25 MPH MAY CAUSE SOME BLOWING AND DRIFTING OF
SNOW.

A SECOND AREA OF SNOW WILL DEVELOP ON THURSDAY. ACCOMPANYING THE
SNOW WILL BE STRONG NORTHWEST WINDS OF 20 TO 35 MPH. THIS COULD PRODUCE
SIGNIFICANT SNOWFALL AS WELL AS BLOWING SNOW CREATING NEAR
BLIZZARD CONDITIONS.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... ARE
EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR 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.

$$

SDZ038-039-280630-
/O.EXT.KFSD.WS.W.0003.070228T0800Z-070228T1800Z/
BEADLE-KINGSBURY-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON
430 PM CST TUE FEB 27 2007

...WINTER STORM WARNING NOW IN EFFECT FROM 2 AM TO 12 PM CST
WEDNESDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT FROM 2 AM TO 12 PM CST
WEDNESDAY. 

SNOW IS EXPECTED TO DEVELOP SHORTLY AFTER MIDNIGHT...THEN CONTINUE INTO
WEDNESDAY MORNING. THE SNOW SHOULD BECOME HEAVY AT TIMES LATE
TONIGHT AND EARLY WEDNESDAY MORNING...WITH 5 TO 7 INCHES OF
ACCUMULATION EXPECTED. EAST WINDS OF 20 TO 25 MPH MAY CAUSE SOME
BLOWING AND DRIFTING OF SNOW.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED OR OCCURRING. STRONG WINDS WILL ALSO PRODUCE AREAS OF
BLOWING SNOW. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

SDZ040-280630-
/O.EXT.KFSD.WS.W.0003.070228T1200Z-070301T0000Z/
BROOKINGS-
INCLUDING THE CITY OF...BROOKINGS
430 PM CST TUE FEB 27 2007

...WINTER STORM WARNING NOW IN EFFECT FROM 6 AM TO 6 PM CST
WEDNESDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT FROM 6 AM TO 6 PM CST
WEDNESDAY. 

SNOW IS EXPECTED TO DEVELOP EARLY WEDNESDAY MORNING...THEN CONTINUE INTO
WEDNESDAY MORNING. THE SNOW SHOULD BECOME HEAVY AT TIMES LATE
TONIGHT AND EARLY WEDNESDAY MORNING...WITH 5 TO 7 INCHES OF
ACCUMULATION EXPECTED. EAST WINDS OF 20 TO 25 MPH MAY CAUSE SOME
BLOWING AND DRIFTING OF SNOW.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED OR OCCURRING. STRONG WINDS WILL ALSO PRODUCE AREAS OF
BLOWING SNOW. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

IAZ021-022-032-280630-
/O.NEW.KFSD.WW.Y.0002.070228T1200Z-070228T2200Z/
/O.EXT.KFSD.WS.A.0004.070301T1200Z-070303T0000Z/
CHEROKEE-BUENA VISTA-IDA-
INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE...IDA GROVE...
HOLSTEIN...BATTLE CREEK
430 PM CST TUE FEB 27 2007

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM TO 4 PM CST
WEDNESDAY...
...WINTER STORM WATCH NOW IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT FROM 6 AM TO 4 PM CST
WEDNESDAY. THE WINTER STORM WATCH IS NOW IN EFFECT FROM THURSDAY
MORNING THROUGH FRIDAY AFTERNOON. 

WHILE ONE TO TWO INCHES OF SNOW MIXED WITH FREEZING RAIN WILL BE
IS EXPECTED ON WEDNESDAY...A MUCH STRONGER STORM WILL POTENTIALLY
MOVE INTO IOWA ON THURSDAY. SNOWFALL ACCUMULATIONS GREATER THAN 6
INCHES ALONG WITH STRONG NORTHWEST WINDS CLOUD CREATE NEAR
BLIZZARD TYPE CONDITIONS THURSDAY INTO FRIDAY.

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

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.

$$

IAZ020-031-NEZ013-014-SDZ065-068>071-280630-
/O.NEW.KFSD.WW.Y.0002.070228T0800Z-070228T1800Z/
PLYMOUTH-WOODBURY-DIXON-DAKOTA-HUTCHINSON-BON HOMME-YANKTON-CLAY-
UNION-
INCLUDING THE CITIES OF...LE MARS...SIOUX CITY...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...PARKSTON...FREEMAN...MENNO...
TRIPP...TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...
YANKTON...VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
430 PM CST TUE FEB 27 2007

...WINTER WEATHER ADVISORY IN EFFECT FROM 2 AM TO 12 PM CST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 12 PM CST
WEDNESDAY. 

PRECIPITATION IN THE FORM OF FREEZING RAIN...SLEET AND SNOW WILL
DEVELOP EARLY WEDNESDAY MORNING AND CONTINUE THROUGH MIDDAY
WEDNESDAY. SNOW ACCUMULATIONS ARE EXPECTED TO REMAIN UNDER TWO INCHES.

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.

$$

IAZ002-003-013-014-280630-
/O.EXT.KFSD.SN.Y.0004.070228T1200Z-070301T0000Z/
/O.EXT.KFSD.WS.A.0004.070301T1200Z-070303T0000Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER
430 PM CST TUE FEB 27 2007

...SNOW ADVISORY NOW IN EFFECT FROM 6 AM TO 6 PM CST WEDNESDAY...
...WINTER STORM WATCH NOW IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY AFTERNOON...

THE SNOW ADVISORY IS NOW IN EFFECT FROM 6 AM TO 6 PM CST
WEDNESDAY. THE WINTER STORM WATCH IS NOW IN EFFECT FROM THURSDAY
MORNING THROUGH FRIDAY AFTERNOON. 

SNOW IS EXPECTED TO DEVELOP WEDNESDAY MORNING...THEN CONTINUE INTO
WEDNESDAY AFTERNOON. THE SNOW COULD BE HEAVY AT TIMES...WITH 3
TO 6 INCHES OF ACCUMULATION EXPECTED. THE HEAVIEST SNOWFALL IS
EXPECTED NORTH OF INTERSTATE 90.

A STRONGER STORM WILL MOVE INTO IOWA ON THURSDAY. PORTIONS OF NORTHWEST
IOWA WILL SEE THE POTENTIAL FOR GREATER THAN 6 INCHES OF SNOW ON
THURSDAY. IN ADDITION... STRONG NORTHWEST WINDS OF 20 TO 35 MPH
COULD CAUSE SIGNIFICANT BLOWING SNOW CREATING NEAR BLIZZARD LIKE
CONDITIONS AT TIMES.

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 ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

IAZ001-012-MNZ098-280630-
/O.EXT.KFSD.SN.Y.0004.070228T0800Z-070228T1800Z/
/O.EXT.KFSD.WS.A.0004.070301T1200Z-070303T0000Z/
LYON-SIOUX-ROCK-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LUVERNE
430 PM CST TUE FEB 27 2007

...SNOW ADVISORY NOW IN EFFECT FROM 2 AM TO 12 PM CST WEDNESDAY...
...WINTER STORM WATCH NOW IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY AFTERNOON...

THE SNOW ADVISORY IS NOW IN EFFECT FROM 2 AM TO 12 PM CST
WEDNESDAY. THE WINTER STORM WATCH IS NOW IN EFFECT FROM THURSDAY
MORNING THROUGH FRIDAY AFTERNOON. 

SNOW IS EXPECTED TO DEVELOP EARLY WEDNESDAY MORNING...THEN CONTINUE INTO
EARLY WEDNESDAY AFTERNOON. THE SNOW SHOULD BE HEAVY AT TIMES...
WITH 3 TO 6 INCHES OF ACCUMULATION EXPECTED. THE HEAVIEST
SNOWFALL IS EXPECTED TO NORTH OF INTERSTATE 90.

A STRONGER STORM WILL MOVE INTO IOWA ON THURSDAY. NORTHWEST IOWA
AND SOUTHWEST MINNESOTA WILL SEE THE POTENTIAL FOR GREATER THAN
6 INCHES OF SNOW ON THURSDAY. IN ADDITION...STRONG NORTHWEST WINDS
OF 20 TO 35 MPH COULD CAUSE SIGNIFICANT BLOWING SNOW...CREATING
BLIZZARD LIKE CONDITIONS AT TIMES.

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 ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

SDZ052-053-059>062-066-067-280630-
/O.EXT.KFSD.SN.Y.0004.070228T0800Z-070228T1800Z/
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
430 PM CST TUE FEB 27 2007

...SNOW ADVISORY NOW IN EFFECT FROM 2 AM TO 12 PM CST WEDNESDAY...

THE SNOW ADVISORY IS NOW IN EFFECT FROM 2 AM TO 12 PM CST
WEDNESDAY. 

SNOW IS EXPECTED TO DEVELOP EARLY WEDNESDAY MORNING...THEN CONTINUE INTO
EARLY WEDNESDAY AFTERNOON. THE SNOW WILL LIKELY BE HEAVY AT TIMES...
WITH 3 TO 6 INCHES OF ACCUMULATION EXPECTED. EASTERLY WINDS OF 15 TO 25
MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. THE HEAVIEST
SNOWFALL IS EXPECTED TO BE NORTH OF INTERSTATE 90.

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.

$$

BT
000 
WWUS43 KFSD 272350
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
550 PM CST TUE FEB 27 2007

.LOW PRESSURE WILL DEVELOP OVER THE CENTRAL PLAINS TONIGHT AND
MOVE INTO KANSAS BY WEDNESDAY AFTERNOON. SNOW IS EXPECTED TO
DEVELOP OVER CENTRAL PORTIONS OF SOUTH DAKOTA LATE THIS EVENING...
THEN SPREAD INTO EASTERN SOUTH DAKOTA...SOUTHWEST MINNESOTA AND
NORTHWEST IOWA EARLY WEDNESDAY MORNING. THE SNOW SHOULD DECREASE
IN INTENSITY FROM SOUTHWEST TO NORTHEAST ON WEDNESDAY AFTERNOON.
A BROAD AREA OF 3 TO 6 INCHES IS EXPECTED...WITH A MORE FOCUSED
AREA OF 6 TO 7 INCHES FROM AROUND HURON TO BROOKINGS TO SLAYTON
MINNESOTA. 

THE LOW WILL INTENSIFY OVER EASTERN KANSAS WEDNESDAY NIGHT...THEN
LIFT NORTHEAST INTO IOWA ON THURSDAY. THIS WILL BRING THE POTENTIAL
FOR GREATER THAN 6 INCHES OF SNOW TO MUCH OF NORTHWEST IOWA AND
SOUTHWEST MINNESOTA AGAIN ON THURSDAY. IN ADDITION...STRONG NORTHWEST
WINDS ARE EXPECTED TO DEVELOP ACROSS THE AREA THURSDAY AND CONTINUE
WELL INTO FRIDAY...WHICH WILL LIKELY CREATE AREAS OF BLOWING AND
DRIFTING SNOW.

MNZ071-072-080-081-089-090-097-280800-
/O.CON.KFSD.WS.W.0003.070228T1200Z-070301T0000Z/
/O.CON.KFSD.WS.A.0004.070301T1200Z-070303T0000Z/
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
550 PM CST TUE FEB 27 2007

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
WEDNESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH FRIDAY AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
WEDNESDAY. A WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY
MORNING THROUGH FRIDAY AFTERNOON. 

SNOW IS EXPECTED TO DEVELOP WEDNESDAY MORNING...THEN CONTINUE 
INTO WEDNESDAY AFTERNOON. THE SNOW WILL BE HEAVY AT TIMES...WITH 
5 TO 7 INCHES OF ACCUMULATION BY LATE WEDNESDAY. THE HEAVIEST
SNOWFALL IS EXPECTED TO BE NORTH OF INTERSTATE 90.

A STRONGER STORM WILL MOVE INTO IOWA ON THURSDAY. NORTHWEST IOWA
AND SOUTHWEST MINNESOTA WILL SEE THE POTENTIAL FOR GREATER THAN
6 INCHES OF SNOW ON THURSDAY. IN ADDITION...STRONG NORTHWEST
WINDS OF 20 TO 35 MPH COULD CAUSE BLOWING SNOW CREATING NEAR
BLIZZARD CONDITIONS.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

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.

$$

SDZ038-039-054-055-280800-
/O.CON.KFSD.WS.W.0003.070228T0800Z-070228T1800Z/
BEADLE-KINGSBURY-MINER-LAKE-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...HOWARD...MADISON
550 PM CST TUE FEB 27 2007

...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM TO 12 PM CST
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM TO 12 PM CST
WEDNESDAY. 

SNOW IS EXPECTED TO DEVELOP SHORTLY AFTER MIDNIGHT...THEN 
CONTINUE INTO WEDNESDAY MORNING. THE SNOW SHOULD BECOME HEAVY AT
TIMES LATE TONIGHT AND EARLY WEDNESDAY MORNING...WITH 4 TO 7 INCHES
OF ACCUMULATION EXPECTED. EAST WINDS OF 20 TO 25 MPH MAY CAUSE SOME
BLOWING AND DRIFTING OF SNOW.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED OR OCCURRING. STRONG WINDS WILL ALSO PRODUCE AREAS OF
BLOWING SNOW. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

SDZ040-056-280800-
/O.CON.KFSD.WS.W.0003.070228T1200Z-070301T0000Z/
BROOKINGS-MOODY-
INCLUDING THE CITIES OF...BROOKINGS...FLANDREAU
550 PM CST TUE FEB 27 2007

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
WEDNESDAY. 

SNOW IS EXPECTED TO DEVELOP EARLY WEDNESDAY MORNING AND CONTINUE
INTO WEDNESDAY AFTERNOON. THE SNOW IS EXPECTED TO BE HEAVY AT
TIMES...WITH 5 TO 7 INCHES OF ACCUMULATION EXPECTED. EAST WINDS OF
15 TO 25 MPH MAY CREATE SOME DRIFTING OF SNOW IN OPEN AREAS.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

IAZ002-003-013-014-280800-
/O.CON.KFSD.SN.Y.0004.070228T1200Z-070301T0000Z/
/O.CON.KFSD.WS.A.0004.070301T1200Z-070303T0000Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER
550 PM CST TUE FEB 27 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
WEDNESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH FRIDAY AFTERNOON...

A SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
WEDNESDAY. A WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY
MORNING THROUGH FRIDAY AFTERNOON. 

SNOW IS EXPECTED TO DEVELOP WEDNESDAY MORNING...THEN CONTINUE
INTO WEDNESDAY AFTERNOON. THE SNOW COULD BE HEAVY AT TIMES...WITH
3 TO 5 INCHES OF ACCUMULATION EXPECTED BY LATE WEDNESDAY.

A STRONGER STORM WILL MOVE INTO IOWA ON THURSDAY. PORTIONS OF
NORTHWEST IOWA WILL SEE THE POTENTIAL FOR GREATER THAN 6 INCHES
OF SNOW ON THURSDAY. IN ADDITION...STRONG NORTHWEST WINDS OF 20 
TO 35 MPH COULD CAUSE SIGNIFICANT BLOWING SNOW CREATING NEAR
BLIZZARD CONDITIONS AT TIMES.

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 ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

IAZ001-012-MNZ098-280800-
/O.CON.KFSD.SN.Y.0004.070228T0800Z-070228T1800Z/
/O.CON.KFSD.WS.A.0004.070301T1200Z-070303T0000Z/
LYON-SIOUX-ROCK-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LUVERNE
550 PM CST TUE FEB 27 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 2 AM TO 12 PM CST
WEDNESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH FRIDAY AFTERNOON...

A SNOW ADVISORY REMAINS IN EFFECT FROM 2 AM TO 12 PM CST
WEDNESDAY. A WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY
MORNING THROUGH FRIDAY AFTERNOON. 

SNOW IS EXPECTED TO DEVELOP EARLY WEDNESDAY MORNING...THEN
CONTINUE INTO EARLY WEDNESDAY AFTERNOON. THE SNOW COULD BE HEAVY
AT TIMES... WITH 3 TO 6 INCHES OF ACCUMULATION EXPECTED. THE
HEAVIEST SNOWFALL IS EXPECTED TO NORTH OF INTERSTATE 90.

A STRONGER STORM WILL MOVE INTO IOWA ON THURSDAY. NORTHWEST IOWA
AND SOUTHWEST MINNESOTA WILL SEE THE POTENTIAL FOR GREATER THAN
6 INCHES OF SNOW ON THURSDAY. IN ADDITION...STRONG NORTHWEST
WINDS OF 20 TO 35 MPH COULD CAUSE SIGNIFICANT BLOWING SNOW...
CREATING BLIZZARD LIKE CONDITIONS AT TIMES.

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 ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

IAZ021-022-032-280800-
/O.CON.KFSD.WW.Y.0002.070228T1200Z-070228T2200Z/
/O.CON.KFSD.WS.A.0004.070301T1200Z-070303T0000Z/
CHEROKEE-BUENA VISTA-IDA-
INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE...IDA GROVE...
HOLSTEIN...BATTLE CREEK
550 PM CST TUE FEB 27 2007

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TO 4 PM
CST WEDNESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH FRIDAY AFTERNOON...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TO 4 PM CST
WEDNESDAY. A WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY
MORNING THROUGH FRIDAY AFTERNOON. 

A MIX OF SNOW AND FREEZING RAIN WILL DEVELOP WEDNESDAY MORNING... 
AND CONTINUE THROUGH WEDNESDAY AFTERNOON. SNOWFALL ACCUMULATIONS OF
ONE TO TWO INCHES...ALONG WITH A LIGHT GLAZE OF ICE...ARE EXPECTED 
BY LATE WEDNESDAY.

A MUCH STRONGER STORM WILL POTENTIALLY MOVE INTO IOWA ON THURSDAY.
SNOWFALL ACCUMULATIONS GREATER THAN 6 INCHES ALONG WITH STRONG
NORTHWEST WINDS CLOUD CREATE NEAR BLIZZARD TYPE CONDITIONS THURSDAY
INTO FRIDAY.

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

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.

$$

SDZ052-053-059>062-066-067-280800-
/O.CON.KFSD.SN.Y.0004.070228T0800Z-070228T1800Z/
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
550 PM CST TUE FEB 27 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 2 AM TO 12 PM CST
WEDNESDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 2 AM TO 12 PM CST
WEDNESDAY. 

SNOW IS EXPECTED TO DEVELOP EARLY WEDNESDAY MORNING...THEN
CONTINUE INTO EARLY WEDNESDAY AFTERNOON. THE SNOW COULD BE
HEAVY AT TIMES...WITH 3 TO 6 INCHES OF ACCUMULATION EXPECTED. 
EAST WINDS OF 15 TO 25 MPH WILL PRODUCE AREAS OF BLOWING AND 
DRIFTING SNOW. THE HEAVIEST SNOWFALL IS EXPECTED TO BE NORTH 
OF INTERSTATE 90.

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-SDZ065-068>071-280800-
/O.CON.KFSD.WW.Y.0002.070228T0800Z-070228T1800Z/
PLYMOUTH-WOODBURY-DIXON-DAKOTA-HUTCHINSON-BON HOMME-YANKTON-CLAY-
UNION-
INCLUDING THE CITIES OF...LE MARS...SIOUX CITY...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...PARKSTON...FREEMAN...MENNO...
TRIPP...TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...
YANKTON...VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
550 PM CST TUE FEB 27 2007

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 12 PM
CST WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 12 PM
CST WEDNESDAY. 

PRECIPITATION IN THE FORM OF FREEZING RAIN...SLEET AND SNOW WILL
DEVELOP EARLY WEDNESDAY MORNING AND CONTINUE THROUGH MIDDAY
WEDNESDAY. SNOW ACCUMULATIONS ARE EXPECTED TO 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.

$$
 JH
000 
WWUS43 KFSD 280401
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1001 PM CST TUE FEB 27 2007

.AN ELONGATED AREA OF LOW PRESSURE ALONG THE FRONT RANGE OF THE
ROCKIES THIS EVENING...WILL BECOME MORE DEFINED AND MOVE INTO THE 
CENTRAL PLAINS TONIGHT AND WEDNESDAY. SNOW IS EXPECTED TO DEVELOP
AHEAD OF THIS LOW PRESSURE...EXPANDING INTO EASTERN SOUTH DAKOTA BY
LATE TONIGHT...AND CONTINUING INTO SOUTHWEST MINNESOTA AND NORTHWEST
IOWA EARLY WEDNESDAY MORNING. THE SNOW SHOULD DECREASE IN INTENSITY
FROM SOUTHWEST TO NORTHEAST THROUGH WEDNESDAY AFTERNOON. A BROAD
AREA OF 3 TO 6 INCHES IS EXPECTED NORTH OF A LINE FROM MITCHELL 
SOUTH DAKOTA...TO SIOUX CENTER AND SPENCER IOWA...WITH HIGHEST
AMOUNTS ALONG AND NORTH OF HIGHWAY 14.

THE LOW WILL INTENSIFY OVER EASTERN KANSAS WEDNESDAY NIGHT...THEN
LIFT NORTHEAST INTO IOWA ON THURSDAY. THIS WILL BRING THE POTENTIAL
FOR GREATER THAN 6 INCHES OF SNOW TO MUCH OF NORTHWEST IOWA AND
SOUTHWEST MINNESOTA AGAIN THURSDAY. IN ADDITION...STRONG NORTHWEST
WINDS ARE EXPECTED TO DEVELOP ACROSS THE AREA THURSDAY AND CONTINUE
WELL INTO FRIDAY...WHICH WILL LIKELY CREATE AREAS OF BLOWING AND
DRIFTING SNOW.

MNZ071-072-080-081-089-090-097-281215-
/O.CON.KFSD.WS.W.0003.070228T1200Z-070301T0000Z/
/O.CON.KFSD.WS.A.0004.070301T1200Z-070303T0000Z/
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
1001 PM CST TUE FEB 27 2007

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
WEDNESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH FRIDAY AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
WEDNESDAY. A WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY
MORNING THROUGH FRIDAY AFTERNOON. 

SNOW IS EXPECTED TO DEVELOP WEDNESDAY MORNING...THEN CONTINUE
INTO WEDNESDAY AFTERNOON. THE SNOW WILL BE HEAVY AT TIMES...WITH
5 TO 7 INCHES OF ACCUMULATION BY LATE WEDNESDAY. THE HEAVIEST
SNOWFALL IS EXPECTED TO BE NORTH OF INTERSTATE 90.

A STRONGER STORM WILL MOVE INTO IOWA ON THURSDAY. NORTHWEST IOWA
AND SOUTHWEST MINNESOTA WILL SEE THE POTENTIAL FOR GREATER THAN
6 INCHES OF SNOW ON THURSDAY. IN ADDITION...STRONG NORTHWEST
WINDS OF 20 TO 35 MPH COULD CAUSE BLOWING SNOW CREATING NEAR
BLIZZARD CONDITIONS.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

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.

$$

SDZ038-039-054-055-281215-
/O.CON.KFSD.WS.W.0003.070228T0800Z-070228T1800Z/
BEADLE-KINGSBURY-MINER-LAKE-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...HOWARD...MADISON
1001 PM CST TUE FEB 27 2007

...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM TO 12 PM CST
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM TO 12 PM CST
WEDNESDAY. 

SNOW IS EXPECTED TO DEVELOP AFTER 2 AM...THEN CONTINUE INTO
WEDNESDAY MORNING. THE SNOW WILL BECOME HEAVY AT TIMES DURING THE
MORNING HOURS...WHEN SNOWFALL RATES COULD APPROACH AN INCH PER HOUR.
SNOWFALL ACCUMULATIONS OF 4 TO 6 INCHES ARE EXPECTED BY MIDDAY...AND 
EAST WINDS OF 20 TO 25 MPH MAY CAUSE SOME BLOWING AND DRIFTING OF
SNOW.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED OR OCCURRING. STRONG WINDS WILL ALSO PRODUCE AREAS OF
BLOWING SNOW. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

SDZ040-056-281215-
/O.CON.KFSD.WS.W.0003.070228T1200Z-070301T0000Z/
BROOKINGS-MOODY-
INCLUDING THE CITIES OF...BROOKINGS...FLANDREAU
1001 PM CST TUE FEB 27 2007

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
WEDNESDAY. 

SNOW IS EXPECTED TO DEVELOP EARLY WEDNESDAY MORNING AND CONTINUE
INTO WEDNESDAY AFTERNOON. THE SNOW IS EXPECTED TO BE HEAVY AT
TIMES...WITH 4 TO 7 INCHES OF ACCUMULATION EXPECTED. EAST WINDS
OF 15 TO 25 MPH MAY CREATE SOME DRIFTING OF SNOW IN OPEN AREAS.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

IAZ002-003-013-014-281215-
/O.CON.KFSD.SN.Y.0004.070228T1200Z-070301T0000Z/
/O.CON.KFSD.WS.A.0004.070301T1200Z-070303T0000Z/
OSCEOLA-DICKINSON-OBRIEN-CLAY-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER
1001 PM CST TUE FEB 27 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
WEDNESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH FRIDAY AFTERNOON...

A SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST
WEDNESDAY. A WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY
MORNING THROUGH FRIDAY AFTERNOON. 

SNOW IS EXPECTED TO DEVELOP WEDNESDAY MORNING...THEN CONTINUE
INTO WEDNESDAY AFTERNOON. SNOWFALL ACCUMULATIONS OF 3 TO 5 INCHES 
ARE EXPECTED BY LATE WEDNESDAY.

A STRONGER STORM WILL MOVE INTO IOWA ON THURSDAY. PORTIONS OF
NORTHWEST IOWA WILL SEE THE POTENTIAL FOR GREATER THAN 6 INCHES
OF SNOW ON THURSDAY. IN ADDITION...STRONG NORTHWEST WINDS OF
20 TO 35 MPH COULD CAUSE SIGNIFICANT BLOWING SNOW CREATING NEAR
BLIZZARD CONDITIONS AT TIMES.

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 ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

IAZ001-012-MNZ098-281215-
/O.CON.KFSD.SN.Y.0004.070228T0800Z-070228T1800Z/
/O.CON.KFSD.WS.A.0004.070301T1200Z-070303T0000Z/
LYON-SIOUX-ROCK-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...LUVERNE
1001 PM CST TUE FEB 27 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 2 AM TO 12 PM CST
WEDNESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH FRIDAY AFTERNOON...

A SNOW ADVISORY REMAINS IN EFFECT FROM 2 AM TO 12 PM CST
WEDNESDAY. A WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY
MORNING THROUGH FRIDAY AFTERNOON. 

SNOW IS EXPECTED TO DEVELOP EARLY WEDNESDAY MORNING...THEN
CONTINUE INTO EARLY WEDNESDAY AFTERNOON. SNOWFALL ACCUMULATIONS OF 
3 TO 5 INCHES ARE EXPECTED...WITH THE GREATEST AMOUNTS NORTH OF 
INTERSTATE 90.

A STRONGER STORM WILL MOVE INTO IOWA ON THURSDAY. NORTHWEST IOWA
AND SOUTHWEST MINNESOTA WILL SEE THE POTENTIAL FOR GREATER THAN
6 INCHES OF SNOW ON THURSDAY. IN ADDITION...STRONG NORTHWEST
WINDS OF 20 TO 35 MPH COULD CAUSE SIGNIFICANT BLOWING SNOW...
CREATING BLIZZARD LIKE CONDITIONS AT TIMES.

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 ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR
THE LATEST FORECASTS.

$$

IAZ021-022-032-281215-
/O.CON.KFSD.WW.Y.0002.070228T1200Z-070228T2200Z/
/O.CON.KFSD.WS.A.0004.070301T1200Z-070303T0000Z/
CHEROKEE-BUENA VISTA-IDA-
INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE...IDA GROVE...
HOLSTEIN...BATTLE CREEK
1001 PM CST TUE FEB 27 2007

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TO 4 PM
CST WEDNESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH FRIDAY AFTERNOON...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TO 4 PM CST
WEDNESDAY. A WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY
MORNING THROUGH FRIDAY AFTERNOON. 

A MIX OF SNOW AND FREEZING RAIN WILL DEVELOP WEDNESDAY MORNING...
AND CONTINUE THROUGH WEDNESDAY AFTERNOON. SNOWFALL ACCUMULATIONS
OF ONE TO TWO INCHES...ALONG WITH A LIGHT GLAZE OF ICE...ARE
EXPECTED BY LATE WEDNESDAY.

A MUCH STRONGER STORM WILL POTENTIALLY MOVE INTO IOWA ON
THURSDAY. SNOWFALL ACCUMULATIONS GREATER THAN 6 INCHES ALONG WITH
STRONG NORTHWEST WINDS CLOUD CREATE NEAR BLIZZARD TYPE CONDITIONS
THURSDAY INTO FRIDAY.

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

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.

$$

SDZ052-053-059>062-066-067-281215-
/O.CON.KFSD.SN.Y.0004.070228T0800Z-070228T1800Z/
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
1001 PM CST TUE FEB 27 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 2 AM TO 12 PM CST
WEDNESDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 2 AM TO 12 PM CST
WEDNESDAY. 

SNOW IS EXPECTED TO DEVELOP EARLY WEDNESDAY MORNING...THEN
CONTINUE INTO EARLY WEDNESDAY AFTERNOON. SNOWFALL ACCUMULATIONS 
OF 3 TO 6 INCHES ARE EXPECTED...WITH THE HIGHEST AMOUNTS NORTH OF
INTERSTATE 90. EAST WINDS OF 15 TO 25 MPH WILL PRODUCE 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-SDZ065-068>071-281215-
/O.CON.KFSD.WW.Y.0002.070228T0800Z-070228T1800Z/
PLYMOUTH-WOODBURY-DIXON-DAKOTA-HUTCHINSON-BON HOMME-YANKTON-CLAY-
UNION-
INCLUDING THE CITIES OF...LE MARS...SIOUX CITY...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...PARKSTON...FREEMAN...MENNO...
TRIPP...TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...
YANKTON...VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
1001 PM CST TUE FEB 27 2007

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 12 PM
CST WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 12 PM
CST WEDNESDAY. 

PRECIPITATION IN THE FORM OF FREEZING RAIN...SLEET AND SNOW WILL
DEVELOP EARLY WEDNESDAY MORNING AND CONTINUE THROUGH MIDDAY
WEDNESDAY. SNOW ACCUMULATIONS ARE EXPECTED TO 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.

$$
 JH
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

What forecasters said that day

The local office's own words before this winter storm warning 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 winter storm warning went out at Feb 26, 8:50 PM CST, 7 hours 18 minutes earlier.

Area forecast discussion, Feb 26, 8:50 PM CST, 7 hours 18 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
850 PM CST MON FEB 26 2007

.DISCUSSION...
FORECAST LOOKING GOOD SO FAR THIS EVENING...WITH CLOUD COVER
PRESENTING THE BIGGEST PROBLEM. 00Z NAM AND RUC CONSISTENT IN
SHOWING DECREASE IN LOWER LEVEL RH ACROSS THE FAR WESTERN/SOUTHERN
PARTS OF THE CWA AFTER 06Z. DO NOT EXPECT TOTAL CLEARING WITH MID
LEVEL RH INCREASING OVER THAT AREA AT THE SAME TIME...BUT HAVE
ADJUSTED SKY GRIDS TO SHOW BEST DECREASE ACROSS THE SOUTHWEST...
WITH SOME PARTIAL CLEARING POSSIBLE AS FAR EAST AS DE SMET-SIOUX
FALLS-STORM LAKE LINE BY DAYBREAK.

ISSUES WITH CLOUD COVER MAKE TEMPS PROBLEMATIC AS WELL. WIDESPREAD
STRATUS HOLDING TEMPS UP WELL SO FAR THIS EVENING...BUT CONCERN IS
THAT ANY BRIEF BREAKS...ESPECIALLY WITH LIGHT WINDS IN THE WEST...
WILL ALLOW FOR QUICK DROP THERE...WHILE THE MORE PERSISTENT CLOUDS
IN THE NORTHEAST WILL HOLD TEMPS UP A BIT MORE IN SOUTHWEST MN. WILL
NOT MAKE ANY MAJOR CHANGES TO LOWS...BUT WILL PROBABLY TWEAK HOURLY
TEMPS TO SLOW THE FALL A BIT MORE ALONG/EAST OF THE JAMES RIVER.

UPDATED ZFP/GRIDS WILL BE SENT SHORTLY.

&&

.AVIATION...
MVFR CIGS OVER THE AREA THIS EVENING...WITH SCATTERED BREAKS
DEVELOPING WEST OF THE JAMES RIVER. LOOKS TO BE TWO DIFFERENT LEVELS
OF STRATUS...A LOWER END MVFR GENERALLY 1000-1500FT FROM KHON-KMHE
EAST INTO SWRN MN AND KSPW-KSLB AREAS OF NWRN IA. THIS AREA WILL
LIKELY PERSIST INTO TUESDAY MORNING...WITH LOCALIZED BREAKS DVLPG
AFTER 09Z. WITH CLOUDS REMAINING MORE PERSISTENT HERE...VSBY SHOULD
REMAIN IN VFR RANGE MUCH OF THE NIGHT...WITH SOME PATCHY MVFR VSBYS
IN FOG POSSIBLE WHERE STRATUS DOES BREAK.

HIGHER MVFR DECK IN 2-3KFT RANGE FARTHER WEST AND SOUTH THROUGH THE
MISSOURI VALLEY...AND EXPECT THIS AREA TO HAVE BEST CHANCE FOR SLOW
CLEARING THROUGH THE NIGHT. THIS AREA WILL HAVE BETTER CHANCE FOR
FOG DEVELOPMENT WITH THE CLEARING...WITH ISOLD IFR VSBYS POSSIBLE
TOWARD SUNRISE.

&&

.PREV DISCUSSION...
BUSY PATTERN WITH A COUPLE OF POTENTIAL MAJOR WINTER EVENTS LOOMING
FROM TUES NGT THRU FRIDAY.

FAIRLY NICE DAY EXPCD FOR TUE WITH SOME MODERATION BUT NOT AS MILD
AS GUID OVER FRESH SNOW COVER. SHORT WAVE AND ASSCD STG LIFT
CRASHING ENEWD OVR CWA TUE NGT AND WED...INTERACTING WITH STG MID
LVL BOUNDARY. STG LOW LVL SLY INFLOW FM SRN AND CNTRL PLAINS SHOULD
MAKE UP FOR INITIAL LACK OF MOISTURE. QUESTION IS HOW FAR SOUTH
LIFTING BOUNDARY SATURATES BEFORE MOVING NORTHEAST WED. SNOWFALL
SHOULD BE QUITE INTENSE WHERE THIS HAPPENS WITH UNSTABLE LAPSE RATES
ALOFT AND LWR LVL INFLOW. SEEMS NAM HAS SOMEWHAT OF A FAST AND NORTH
BIAS...WITH GFS AND CANADIAN MODELS SLOWER AND FURTHER SOUTH.
COMPROMISED SOME WITH BEST CHCS HEAVY SNOW NE OF A LN FM MHE TO
SPW...SO PUT OUT LAST MINUTE WINTER STORM WATCH FOR THIS AREA FOR
LATER TUES NGT INTO WED AFTN. THIS PULLS OUT PRETTY FAST AND CUT
POPS FOR WED NGT. NAM/GFS PRETTY CONSISTENT BRINGING MAJOR ENERGY
INTO CNTRL PLAINS WED NGT AND WRAPPING IT BACK WITH MAJOR
CYCLOGENESIS AFFECTING ERN CWA THRU THU AND FRI. IF THIS WRAPS BACK
A LIT FURTHER WEST...ALL AREAS ALG AND EAST OF I29 IN SD...MN...AND
NWRN IA WILL HAVE THREAT FOR ALMOST BLIZZARD LIKE CONDITIONS.
HOWEVER...OTHER MODELS NOT QUITE AS GUNG HO ABOUT THIS SYSTEM...SO
WILL PLAY IT COOL FOR NOW.

TROWAL TO POTENTIALLY AFFECT THE AREA ON FRIDAY...AND HAVE
INTRODUCED POPS AT OR ABOVE BOTH HPC AND MEX GUIDANCE FOR FRIDAY.
GREATEST THREAT FOR PRECIP LOOKS TO BE IN THE EASTERN CWA...BUT WILL
HINGE ON HOW WOUND UP THE UPPER LOW OVER THE UPPER MIDWEST GETS.
SREF INDICATE A 70 TO 30 PERCENT CHANCE...WITH THE BEST LIKELIHOOD
EAST OF THE JAMES RIVER VALLEY. NORTHWEST WINDS LOOK FAIRLY BRISK AS
WELL ON FRIDAY...WITH 40 TO 50 KNOTS OF FLOW AT 850 MB. UPPER LEVEL
SUPPORT LINGERS ON FRIDAY NIGHT AS AREA BECOMES INFLUENCED BY THE
LEFT FRONT OF UPPER LEVEL JET MOVING IN FROM THE WEST. HAVE KEPT
FLURRIES AROUND THROUGH MIDNIGHT SATURDAY MORNING.

RIDGE CONTINUES TO BUILD INTO THE AREA OVER THE WEEKEND...WITH
STRONG WARMING ACROSS THE AREA ON SUNDAY.  925 HPA TEMPS RISE ABOVE
ZERO...BUT HAVE GONE WITH ISOTHERMAL HIGHS ON SUNDAY WITH ADDITIONAL
SNOW EXPECTED THIS WEEK. GFS IS SUGGESTING POTENTIAL FOR BACKDOOR
COLD FRONT EARLY NEXT WEEK...BUT LOOKS TO AFFECT THE CWA BEYOND THE
SEVEN DAY WINDOW.

&&

.FSD WATCHES/WARNINGS/ADVISORIES...
IA...WINTER STORM WATCH FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY
     AFTERNOON FOR IAZ001>003-012>014.
MN...WINTER STORM WATCH FROM LATE TUESDAY NIGHT THROUGH
     WEDNESDAY AFTERNOON FOR MNZ071-072-080-081-089-090-097-098.
NE...NONE.
SD...WINTER STORM WATCH FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY
     AFTERNOON FOR SDZ038>040-052>056-059>062-066-067.
&&

 JH
Hazardous weather outlook, Feb 26, 6:38 PM CST, 9 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
638 PM CST MON FEB 26 2007

SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-271200-
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-
638 PM CST MON FEB 26 2007

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

.DAY ONE...TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

ANOTHER STORM SYSTEM WILL MOVE NORTHEAST ACROSS THE NORTHERN
PLAINS LATE TUESDAY NIGHT INTO WEDNESDAY. THIS SYSTEM WILL
PRODUCE A MIX OF FREEZING RAIN AND SNOW ALONG THE MISSOURI RIVER
CORRIDOR...WITH SNOWFALL AMOUNTS OF 2 TO 4 INCHES POSSIBLE BY
WEDNESDAY EVENING. ALL SNOW IS EXPECTED NORTH OF A LINE FROM
MITCHELL SOUTH DAKOTA TO SPENCER IOWA...WITH THE POTENTIAL FOR
SNOWFALL ACCUMULATIONS OF 6 INCHES OR A LITTLE MORE IN THESE
AREAS.

THERE WILL BE ANOTHER CHANCE OF SNOW ACROSS THE REGION ON
THURSDAY... WITH THE BEST CHANCE REMAINING EAST OF THE JAMES
RIVER. STRONGER NORTHWEST WINDS WILL ACCOMPANY THIS
SNOWFALL...CREATING THE POTENTIAL FOR BLOWING AND DRIFTING SNOW
AS WELL.

.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 27, 4:08 AM CSTSnow AdvisoryFSDAurora, Beadle, Brookings, Brule, Charles Mix, Davison and 14 more44 hr
Feb 27, 4:30 PM CSTWinter Weather AdvisoryFSDBon Homme, Clay, Hutchinson, Union, Yankton20 hr
Feb 27, 4:08 AM CSTWinter Storm WatchFSDCottonwood, Jackson, Lincoln, Lyon, Murray, Nobles and 2 more24 hr

Nearby

Winter Storm Warnings in Minnesota, 2007Winter Storm Warnings in South Dakota, 2007Every winter storm warning 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.