Alert archive / South Dakota / Snow Advisories in 2008

Snow Advisory 8, NWS Sioux Falls, SD

March 26, 200817 counties in South Dakota; 6 counties in Iowa; 8 counties in Minnesota

NWS Sioux Falls, SD issued this snow advisory at Mar 26, 2008, 11:15 AM CDT for 17 counties in South Dakota; 6 counties in Iowa; 8 counties in Minnesota. It took effect at Mar 26, 2008, 9:44 PM CDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Mar 26, 2008, 11:15 AM CDT (16:15 UTC)
In effect from
Mar 26, 2008, 9:44 PM CDT
Expired
Mar 27, 2008, 1:00 PM CDT
In force
15 hr
Issued by
NWS Sioux Falls, SD
All 31 counties

Clay County, IA, Dickinson 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, Aurora County, SD, Beadle County, SD, Brookings County, SD, Brule County, SD, Davison County, SD, Hanson County, SD, Hutchinson County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD, Turner County, SD

The radar

The Sioux Falls radar (KFSD), 20 km from the middle of the area, began a volume at 16:16 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 12:00Z, 4.3 hours before the alert went out and 180 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 12:00Z on 2008-03-26Temperature 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, Aberdeen, SD at 12:00Z on 2008-03-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -97 square meters per square second.1939587897117136Sfc1 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
2008 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
-97 m²/s²
0-3 km storm-relative helicity
39 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 261615
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1115 AM CDT WED MAR 26 2008

.LOW PRESSURE WILL MOVE ACROSS THE WESTERN HIGH PLAINS TONIGHT.
AHEAD OF THIS LOW...A STRONG FRONT ALOFT WILL ALLOW SNOWFALL TO
DEVELOP AND BECOME FOCUSED IN A RELATIVELY NARROW BAND...WITH
PERIODS OF HEAVY SNOW LIKELY AT TIMES...ESPECIALLY FROM ABOUT 1000
PM CST THROUGH 600 AM CST. DEVELOPMENT SHOULD TAKE PLACE OVER
SOUTHERN PARTS OF THE AREA LATE THIS AFTERNOON AND EARLY THIS
EVENING...THEN SLOWLY SHIFT NORTH TO AROUND INTERSTATE 90 AROUND 
MIDNIGHT AND INTO THE REMAINDER OF SOUTHWEST MINNESOTA AFTER
MIDNIGHT. 

SDZ057-261715-
/O.CAN.KFSD.WS.A.0003.080327T0300Z-080327T1800Z/
BRULE-
INCLUDING THE CITIES OF...CHAMBERLAIN...KIMBALL
1115 AM CDT WED MAR 26 2008

...WINTER STORM WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
WINTER STORM WATCH. 

A COMBINATION OF RAIN AND SNOW IS EXPECTED TO DEVELOP
TONIGHT...BECOMING MAINLY SNOW AFTER ABOUT 900 PM CST. STORM TOTAL
SNOWFALL SHOULD BE ABOUT 2 TO 4 INCHES.

$$

MNZ071-080-089-090-097-098-SDZ038>040-053>056-270015-
/O.UPG.KFSD.WS.A.0003.080327T0300Z-080327T1800Z/
/O.NEW.KFSD.HS.W.0001.080327T0300Z-080327T1800Z/
LINCOLN-MURRAY-NOBLES-JACKSON-PIPESTONE-ROCK-BEADLE-KINGSBURY-
BROOKINGS-SANBORN-MINER-LAKE-MOODY-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...SLAYTON...FULDA...WORTHINGTON...JACKSON...LAKEFIELD...
PIPESTONE...LUVERNE...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...WOONSOCKET...HOWARD...MADISON...
FLANDREAU
1115 AM CDT WED MAR 26 2008

...HEAVY SNOW WARNING IN EFFECT FROM 10 PM THIS EVENING TO 1 PM
CDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A HEAVY
SNOW WARNING...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 1 PM
CDT THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

A BRIEF MIX OF RAIN AND SNOW WILL DEVELOP THIS EVENING AND QUICKLY
BECOME ALL SNOW SHORTLY AFTER. PERIODS OF HEAVY SNOW...FALLING AS
QUICKLY AS AN INCH TO AN INCH AND A HALF AN HOUR...WILL OCCUR WITH
THIS BAND OF SNOW AND BY LATE THURSDAY MORNING STORM TOTAL
SNOWFALL SHOULD RANGE FROM ABOUT 6 TO 9 INCHES. THE HEAVIEST SNOW
IN MOST LOCATIONS WILL LIKELY OCCUR BETWEEN ABOUT 1000 PM CST AND
600 AM CST. WITH WINDS OF 10 TO 20 MPH...BLOWING AND DRIFTING IS NOT
EXPECTED TO CREATE ANY MAJOR PROBLEMS.

A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF
YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

$$

IAZ001>003-SDZ052-058>062-270015-
/O.UPG.KFSD.WS.A.0003.080327T0300Z-080327T1800Z/
/O.NEW.KFSD.SN.Y.0008.080327T0300Z-080327T1800Z/
LYON-OSCEOLA-DICKINSON-JERAULD-AURORA-DAVISON-HANSON-MCCOOK-
MINNEHAHA-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
WESSINGTON SPRINGS...ALPENA...PLANKINTON...WHITE LAKE...
STICKNEY...MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS
1115 AM CDT WED MAR 26 2008

...SNOW ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 1 PM CDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 1 PM CDT
THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

A BRIEF MIX OF RAIN AND SNOW WILL DEVELOP EARLY THIS EVENING AND
QUICKLY BECOME ALL SNOW SHORTLY AFTER. PERIODS OF MODERATE TO
OCCASIONALLY HEAVY SNOW...FALLING AS QUICKLY AS AN INCH AN
HOUR...WILL OCCUR WITH THIS BAND OF SNOW. BY LATE THURSDAY
MORNING...STORM TOTAL SNOWFALL SHOULD RANGE FROM ABOUT 3 TO 6
INCHES. THE HEAVIEST SNOW IN MOST LOCATIONS WILL LIKELY OCCUR
BETWEEN ABOUT 1000 PM CST AND 600 AM CST. WITH WINDS OF 10 TO 20
MPH...BLOWING AND DRIFTING IS NOT EXPECTED TO CREATE ANY MAJOR
PROBLEMS.

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.

$$

MNZ072-081-270015-
/O.UPG.KFSD.WS.A.0003.080327T0300Z-080327T1800Z/
/O.NEW.KFSD.SN.Y.0008.080327T0500Z-080327T2100Z/
LYON-COTTONWOOD-
INCLUDING THE CITIES OF...MARSHALL...WINDOM...MOUNTAIN LAKE
1115 AM CDT WED MAR 26 2008

...SNOW ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 4 PM CDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 4 PM CDT
THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

A BRIEF MIX OF RAIN AND SNOW WILL DEVELOP LATE THIS EVENING AND
QUICKLY BECOME ALL SNOW SHORTLY AFTER. PERIODS OF MODERATE TO
OCCASIONALLY HEAVY SNOW...FALLING AS QUICKLY AS AN INCH AN
HOUR...WILL OCCUR WITH THIS BAND OF SNOW. BY LATE THURSDAY
MORNING...STORM TOTAL SNOWFALL SHOULD RANGE FROM ABOUT 3 TO 6
INCHES. THE HEAVIEST SNOW IN MOST LOCATIONS WILL LIKELY OCCUR
BETWEEN ABOUT 1000 PM CST AND 600 AM CST. WITH WINDS OF 10 TO 20
MPH...BLOWING AND DRIFTING IS NOT EXPECTED TO CREATE ANY MAJOR
PROBLEMS.

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.

$$

IAZ012>014-SDZ065>067-270015-
/O.NEW.KFSD.SN.Y.0008.080327T0300Z-080327T1800Z/
SIOUX-OBRIEN-CLAY-HUTCHINSON-TURNER-LINCOLN-
INCLUDING THE CITIES OF...ORANGE CITY...SIOUX CENTER...SHELDON...
HARTLEY...SANBORN...SPENCER...PARKSTON...FREEMAN...MENNO...
TRIPP...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG
1115 AM CDT WED MAR 26 2008

...SNOW ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 1 PM CDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 1 PM CDT
THURSDAY. 

A BRIEF MIX OF RAIN AND SNOW WILL DEVELOP EARLY THIS EVENING AND
QUICKLY BECOME ALL SNOW SHORTLY AFTER. PERIODS OF MODERATE TO
OCCASIONALLY HEAVY SNOW...FALLING AS QUICKLY AS AN INCH AN
HOUR...WILL OCCUR WITH THIS BAND OF SNOW. BY LATE THURSDAY
MORNING...STORM TOTAL SNOWFALL SHOULD RANGE FROM ABOUT 3 TO 6
INCHES. THE HEAVIEST SNOW IN MOST LOCATIONS WILL LIKELY OCCUR
BETWEEN ABOUT 1000 PM CST AND 600 AM CST. WITH WINDS OF 10 TO 20
MPH...BLOWING AND DRIFTING IS NOT EXPECTED TO CREATE ANY MAJOR
PROBLEMS.

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.

$$

08
5 follow-up statements
000 
WWUS43 KFSD 262048
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
348 PM CDT WED MAR 26 2008

.LOW PRESSURE WILL MOVE FROM WYOMING AND COLORADO EAST ACROSS THE
CENTRAL PLAINS TONIGHT AND THURSDAY. WARM AIR TO THE SOUTH OF THIS
STORM TRACK WILL BE LIFTED OVER THE COOLER NORTHERN PLAINS
AIR. THIS WILL ALLOW WIDESPREAD RAIN AND SNOW TO DEVELOP TONIGHT
OVER SOUTHEAST SOUTH DAKOTA...SOUTHWEST MINNESOTA...AND NORTHWEST
IOWA. THE THREAT OF HAZARDOUS WINTER WEATHER WILL BE ALONG AND
NORTH OF INTERSTATE 90 NEAR THE JAMES RIVER...EXTENDING TO 20 TO
40 MILES SOUTH OF INTERSTATE 90 FURTHER EAST. LIGHT RAIN AND SNOW
IN THIS AREA WILL INCREASE AND QUICKLY BECOME ALL SNOW THIS
EVENING. SNOW WILL THEN BE HEAVY AT TIMES...ESPECIALLY IN THE
HEAVY SNOW WARNING AREA. THE SNOW IS EXPECTED TO GRADUALLY
DECREASE THURSDAY.

TOTAL SNOW ACCUMULATIONS ARE EXPECTED TO BE 6 TO 9 INCHES IN THE
WARNING AREA...CENTERED ROUGHLY ALONG A LINE FROM HURON SOUTH
DAKOTA TO PIPESTONE AND JACKSON MINNESOTA. SNOWFALL OF 3 TO 6
INCHES IS EXPECTED IN THE ADVISORY AREAS...WITH AROUND AN INCH
POSSIBLE FURTHER SOUTH ALONG THE MISSOURI RIVER.

SIGNIFICANT BLOWING SNOW IS NOT EXPECTED...BUT THE SNOW IS GOING
TO BE WET AND WILL MAKE ROADS AND OTHER SURFACES VERY
SLIPPERY.

MNZ071-080-089-090-097-098-SDZ038>040-053>056-270500-
/O.CON.KFSD.HS.W.0001.080327T0300Z-080327T1800Z/
LINCOLN-MURRAY-NOBLES-JACKSON-PIPESTONE-ROCK-BEADLE-KINGSBURY-
BROOKINGS-SANBORN-MINER-LAKE-MOODY-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...SLAYTON...FULDA...WORTHINGTON...JACKSON...LAKEFIELD...
PIPESTONE...LUVERNE...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...WOONSOCKET...HOWARD...MADISON...
FLANDREAU
348 PM CDT WED MAR 26 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 1 PM CDT THURSDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
1 PM CDT THURSDAY. 

SNOW DEVELOPING THIS EVENING WILL LIKELY BE MIXED WITH RAIN AT THE
START...BUT SHOULD QUICKLY BECOME ALL SNOW AS THE PRECIPITATION
BECOMES HEAVIER. THE HEAVIEST SNOW SHOULD FALL FROM LATE
EVENING...ABOUT 10 PM...INTO THE EARLY MORNING HOURS THURSDAY.
HOWEVER...ACCUMULATIONS ARE STILL EXPECTED THURSDAY MORNING
BEFORE THE SNOW BECOMES LIGHT OR ENDS IN THE AFTERNOON.

BY LATE THURSDAY MORNING STORM TOTAL SNOWFALL SHOULD RANGE FROM
ABOUT 6 TO 9 INCHES. WITH WINDS OF 10 TO 20 MPH...BLOWING AND
DRIFTING IS NOT EXPECTED TO CREATE ANY MAJOR PROBLEMS.

A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF
YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

$$

MNZ072-081-270500-
/O.CON.KFSD.SN.Y.0008.080327T0500Z-080327T2100Z/
LYON-COTTONWOOD-
INCLUDING THE CITIES OF...MARSHALL...WINDOM...MOUNTAIN LAKE
348 PM CDT WED MAR 26 2008

...SNOW ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 4 PM
CDT THURSDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 4 PM
CDT THURSDAY. 

SNOW IS EXPECTED TO DEVELOP LATE THIS EVENING. PERIODS OF MODERATE
TO OCCASIONALLY HEAVY SNOW CAN BE EXPECTED AFTER MIDNIGHT INTO
THURSDAY MORNING. BY LATE THURSDAY MORNING...STORM TOTAL SNOWFALL
SHOULD RANGE FROM 3 TO 6 INCHES. WITH WINDS OF 10 TO 20 MPH...
BLOWING AND DRIFTING IS NOT EXPECTED TO CREATE MAJOR ADDITIONAL
PROBLEMS. HOWEVER...THE WET SNOW WILL MAKE TRAVEL CONDITIONS VERY
SLIPPERY.

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.

$$

IAZ001>003-012>014-SDZ052-058>062-065>067-270500-
/O.CON.KFSD.SN.Y.0008.080327T0300Z-080327T1800Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-JERAULD-AURORA-DAVISON-
HANSON-MCCOOK-MINNEHAHA-HUTCHINSON-TURNER-LINCOLN-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...WESSINGTON SPRINGS...ALPENA...PLANKINTON...WHITE LAKE...
STICKNEY...MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKSTON...FREEMAN...
MENNO...TRIPP...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG
348 PM CDT WED MAR 26 2008

...SNOW ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
1 PM CDT THURSDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 1 PM
CDT THURSDAY. 

LIGHT RAIN AND SNOW IS EXPECTED TO DEVELOP EARLY THIS EVENING AND
QUICKLY BECOME ALL SNOW LATE THIS EVENING AS THE PRECIPITATION
BECOMES HEAVIER. PERIODS OF MODERATE TO OCCASIONALLY HEAVY
SNOW CAN BE EXPECTED FROM AROUND 10 PM INTO EARLY THURSDAY
MORNING. BY LATE THURSDAY MORNING...STORM TOTAL SNOWFALL SHOULD
RANGE FROM 3 TO 6 INCHES. WITH WINDS OF 10 TO 20 MPH...BLOWING AND
DRIFTING IS NOT EXPECTED TO CREATE MAJOR ADDITIONAL PROBLEMS.
HOWEVER...THE WET SNOW WILL MAKE TRAVEL CONDITIONS VERY SLIPPERY.

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.

$$
WILLIAMS
000 
WWUS43 KFSD 270244
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
944 PM CDT WED MAR 26 2008

.LOW PRESSURE WILL MOVE FROM WYOMING AND COLORADO EAST ACROSS THE
CENTRAL PLAINS TONIGHT AND THURSDAY. WARM AIR TO THE SOUTH OF
THIS STORM TRACK WILL BE LIFTED OVER THE COOLER NORTHERN PLAINS
AIR. THIS WILL ALLOW WIDESPREAD RAIN AND SNOW TO DEVELOP TONIGHT
OVER SOUTHEAST SOUTH DAKOTA...SOUTHWEST MINNESOTA...AND NORTHWEST
IOWA. DUE TO UNSTABLE AIR...SNOW COULD BE HEAVY AT TIMES...
ESPECIALLY IN THE HEAVY SNOW WARNING AREA. THE SNOW IS EXPECTED TO
GRADUALLY DECREASE THURSDAY.

TOTAL SNOW ACCUMULATIONS ARE EXPECTED TO BE 6 TO 8 INCHES IN THE
WARNING AREA...CENTERED ROUGHLY ALONG A LINE FROM HURON SOUTH
DAKOTA TO FLANDREAU SOUTH DAKOTA. SNOWFALL OF 3 TO 6 INCHES IS
EXPECTED IN THE ADVISORY AREAS...WITH 1 TO 3 INCHES POSSIBLE
FURTHER SOUTH NEAR THE MISSOURI RIVER VALLEY AND STORM LAKE IOWA
AREAS. 

SIGNIFICANT BLOWING SNOW IS NOT EXPECTED...BUT THE SNOW IS GOING
TO BE WET AND WILL MAKE ROADS AND OTHER SURFACES VERY SLIPPERY.

MNZ071-080-089-090-097-098-SDZ040-271045-
/O.CAN.KFSD.HS.W.0001.080327T0300Z-080327T1800Z/
/O.EXA.KFSD.SN.Y.0008.080327T0300Z-080327T1800Z/
LINCOLN-MURRAY-NOBLES-JACKSON-PIPESTONE-ROCK-BROOKINGS-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...SLAYTON...FULDA...WORTHINGTON...JACKSON...LAKEFIELD...
PIPESTONE...LUVERNE...BROOKINGS
944 PM CDT WED MAR 26 2008

...SNOW ADVISORY IN EFFECT UNTIL 1 PM CDT THURSDAY...
...HEAVY SNOW WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 1 PM CDT THURSDAY. THE HEAVY
SNOW WARNING HAS BEEN CANCELLED. 

LIGHT RAIN AND SNOW WILL CONTINUE TO DEVELOP OVER THE AREA LATE
THIS EVENING...CHANGING TO ALL SNOW OVERNIGHT. 3 TO 5 INCHES OF
SNOW WILL BE COMMON THROUGH THURSDAY 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.

$$

SDZ052-271045-
/O.UPG.KFSD.SN.Y.0008.080327T0300Z-080327T1800Z/
/O.EXA.KFSD.HS.W.0001.080327T0300Z-080327T1800Z/
JERAULD-
INCLUDING THE CITIES OF...WESSINGTON SPRINGS...ALPENA
944 PM CDT WED MAR 26 2008

...HEAVY SNOW WARNING IN EFFECT UNTIL 1 PM CDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A HEAVY
SNOW WARNING...WHICH IS IN EFFECT UNTIL 1 PM CDT THURSDAY. THE
SNOW ADVISORY IS NO LONGER IN EFFECT. 

SNOW WILL LIKELY INCREASE IN INTENSITY OVER THIS AREA LATE THIS
EVENING AND THROUGH THE OVERNIGHT HOURS...WITH 6 TO 8 INCHES
COMMON BY THURSDAY MORNING. DUE TO UNSTABLE AIR...LOCALLY HEAVIER 
AMOUNTS ARE POSSIBLE WITH THUNDERSNOW POSSIBLE.

A HEAVY SNOW WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST
THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF
YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

$$

SDZ038-039-053>056-271045-
/O.CON.KFSD.HS.W.0001.080327T0300Z-080327T1800Z/
BEADLE-KINGSBURY-SANBORN-MINER-LAKE-MOODY-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...WOONSOCKET...HOWARD...MADISON...FLANDREAU
944 PM CDT WED MAR 26 2008

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 1 PM CDT THURSDAY...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 1 PM CDT THURSDAY.

LIGHT RAIN AND SNOW SHOULD INCREASE IN INTENSITY LATE THIS
EVENING. AS THE PRECIPITATION INTENSITY INCREASES...ANY RAIN
SHOULD CHANGE OVER TO SNOW AND BECOME HEAVY AT TIMES. SNOWFALL OF
6 TO 8 INCHES WILL BE COMMON IN THIS AREA THROUGH THURSDAY
MORNING. DUE TO UNSTABLE AIR...LOCALLY HEAVIER AMOUNTS ARE
POSSIBLE WITH THUNDERSNOW POSSIBLE.

$$

SDZ057-271045-
/O.EXA.KFSD.SN.Y.0008.080327T0300Z-080327T1800Z/
BRULE-
INCLUDING THE CITIES OF...CHAMBERLAIN...KIMBALL
944 PM CDT WED MAR 26 2008

...SNOW ADVISORY IN EFFECT UNTIL 1 PM CDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 1 PM CDT THURSDAY. 

LIGHT RAIN AND SNOW IS EXPECTED TO DEVELOP EARLY THIS EVENING AND
QUICKLY BECOME ALL SNOW LATE THIS EVENING AS THE PRECIPITATION
BECOMES HEAVIER. PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW
CAN BE EXPECTED FROM AROUND 10 PM INTO EARLY THURSDAY MORNING. BY
LATE THURSDAY MORNING...STORM TOTAL SNOWFALL SHOULD RANGE FROM
3 TO 6 INCHES. WITH WINDS OF 10 TO 20 MPH...BLOWING AND DRIFTING
IS NOT EXPECTED TO CREATE MAJOR ADDITIONAL PROBLEMS. HOWEVER...
THE WET SNOW WILL MAKE TRAVEL CONDITIONS VERY SLIPPERY.

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.

$$

MNZ072-081-271045-
/O.CON.KFSD.SN.Y.0008.080327T0500Z-080327T2100Z/
LYON-COTTONWOOD-
INCLUDING THE CITIES OF...MARSHALL...WINDOM...MOUNTAIN LAKE
944 PM CDT WED MAR 26 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THURSDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THURSDAY. 

LIGHT RAIN AND SNOW WILL CONTINUE TO DEVELOP OVER THE AREA LATE
THIS EVENING...CHANGING TO ALL SNOW OVERNIGHT. 2 TO 3 INCHES OF
SNOW WILL BE COMMON THROUGH THURSDAY 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.

$$

IAZ001>003-012>014-SDZ058>062-065>067-271045-
/O.CON.KFSD.SN.Y.0008.080327T0300Z-080327T1800Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-AURORA-DAVISON-HANSON-
MCCOOK-MINNEHAHA-HUTCHINSON-TURNER-LINCOLN-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG
944 PM CDT WED MAR 26 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THURSDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THURSDAY. 

LIGHT RAIN AND SNOW WILL CONTINUE TO DEVELOP IN THIS AREA DURING
THE LATE EVENING HOURS. AS THE PRECIPITATION INCREASES IN
INTENSITY...IT WILL LIKELY CHANGE OVER TO ALL SNOW BY MIDNIGHT OR
SHORTLY THEREAFTER. 3 TO 6 INCHES OF SNOW WILL BE COMMON IN THIS
AREA. HOWEVER...THERE ARE INDICATIONS OF UNSTABLE AIR ALOFT.
THEREFORE IF SPOTTY THUNDERSNOW BEGINS TO DEVELOP...LOCALLY
HEAVIER AMOUNTS ARE PROBABLE WITH PERIODIC HEAVY HOURLY SNOWFALL
RATES. THIS AREA WILL BE MONITORED CLOSELY FOR FUTURE
DEVELOPMENTS. 

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.

$$

 MJF
000 
WWUS43 KFSD 270910
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
410 AM CDT THU MAR 27 2008

.UPPER LEVEL LOW PRESSURE...IN COMBINATION WITH A FRONT ALOFT...WILL
CONTINUE TO PRODUCE SNOW ACROSS THE AREA INTO THE EARLY AFTERNOON
HOURS. ADDITIONAL SNOWFALL AMOUNTS OF 1 TO 3 INCHES WILL BE
POSSIBLE IN ADVISORY AREAS...WITH LESSER AMOUNTS ELSEWHERE. STORM
TOTAL SNOWFALL AMOUNTS WILL RANGE FROM NEAR 2 INCHES IN AREAS
ALONG THE MISSOURI RIVER TO AROUND 4 INCHES IN PLACES NORTH OF
INTERSTATE 90. SNOWFALL WILL TAPER OFF ACROSS THE AREA BY MID
AFTERNOON.

SIGNIFICANT BLOWING SNOW IS NOT EXPECTED...BUT THE SNOW IS
GOING TO BE WET AND WILL MAKE ROADS AND OTHER SURFACES VERY
SLIPPERY.

SDZ038-039-052>056-271715-
/O.CAN.KFSD.HS.W.0001.000000T0000Z-080327T1800Z/
/O.EXA.KFSD.SN.Y.0008.000000T0000Z-080327T1800Z/
BEADLE-KINGSBURY-JERAULD-SANBORN-MINER-LAKE-MOODY-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...WESSINGTON SPRINGS...ALPENA...WOONSOCKET...
HOWARD...MADISON...FLANDREAU
410 AM CDT THU MAR 27 2008

...SNOW ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...
...HEAVY SNOW WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON. THE
HEAVY SNOW WARNING HAS BEEN CANCELLED. 

LIGHT SNOW WILL CONTINUE ACROSS THE AREA INTO THE EARLY AFTERNOON.
ADDITIONAL ACCUMULATION OF 1 TO 3 INCHES WILL BE POSSIBLE OVER THE
AREA BEFORE TAPERING OFF IN THE MID 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.

$$

IAZ001>003-012>014-SDZ057>062-065>067-271015-
/O.CAN.KFSD.SN.Y.0008.000000T0000Z-080327T1800Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-BRULE-AURORA-DAVISON-
HANSON-MCCOOK-MINNEHAHA-HUTCHINSON-TURNER-LINCOLN-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...
STICKNEY...MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKSTON...FREEMAN...
MENNO...TRIPP...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...
CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG
410 AM CDT THU MAR 27 2008

...SNOW ADVISORY IS CANCELLED...

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

WHILE LIGHT SNOW WILL BE POSSIBLE ACROSS THE AREA THROUGH MID
DAY...ADDITIONAL ACCUMULATION WILL ONLY BE AROUND 1 TO 2 INCHES. 

$$

MNZ072-081-271715-
/O.EXT.KFSD.SN.Y.0008.000000T0000Z-080327T1800Z/
LYON-COTTONWOOD-
INCLUDING THE CITIES OF...MARSHALL...WINDOM...MOUNTAIN LAKE
410 AM CDT THU MAR 27 2008

...SNOW ADVISORY NOW IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON.

LIGHT SNOW WILL CONTINUE ACROSS THE AREA INTO THE EARLY AFTERNOON.
ADDITIONAL ACCUMULATION OF 1 TO 3 INCHES WILL BE POSSIBLE OVER THE
AREA BEFORE TAPERING OFF IN THE MID 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.

$$

MNZ071-080-089-090-097-098-SDZ040-271715-
/O.CON.KFSD.SN.Y.0008.000000T0000Z-080327T1800Z/
LINCOLN-MURRAY-NOBLES-JACKSON-PIPESTONE-ROCK-BROOKINGS-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...SLAYTON...FULDA...WORTHINGTON...JACKSON...LAKEFIELD...
PIPESTONE...LUVERNE...BROOKINGS
410 AM CDT THU MAR 27 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS
AFTERNOON...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON. 

LIGHT SNOW WILL CONTINUE ACROSS THE AREA INTO THE EARLY AFTERNOON.
ADDITIONAL ACCUMULATION OF 1 TO 3 INCHES WILL BE POSSIBLE OVER THE
AREA BEFORE TAPERING OFF IN THE MID 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.

$$
000 
WWUS43 KFSD 271505
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1005 AM CDT THU MAR 27 2008

.UPPER LEVEL LOW PRESSURE WILL EXIT THE AREA THIS AFTERNOON...AND
SNOW WILL SLOWLY DIMINISH ACROSS THE AREA. ADDITIONAL SNOWFALL
AMOUNTS OF AROUND 1 INCH WILL BE POSSIBLE IN THE SNOW ADVISORY
AREA. 

MNZ071-072-SDZ038>040-052-053-271615-
/O.CAN.KFSD.SN.Y.0008.000000T0000Z-080327T1800Z/
LINCOLN-LYON-BEADLE-KINGSBURY-BROOKINGS-JERAULD-SANBORN-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...HURON...DE SMET...ARLINGTON...LAKE PRESTON...
BROOKINGS...WESSINGTON SPRINGS...ALPENA...WOONSOCKET
1005 AM CDT THU MAR 27 2008

...SNOW ADVISORY IS CANCELLED...

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

SNOW WILL END ACROSS THE AREA THIS MORNING...WITH LITTLE TO NO
ADDITIONAL SNOW ACCUMULATION.

$$

MNZ080-081-089-090-097-098-271800-
/O.CON.KFSD.SN.Y.0008.000000T0000Z-080327T1800Z/
MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-
INCLUDING THE CITIES OF...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...
LUVERNE
1005 AM CDT THU MAR 27 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS
AFTERNOON...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON. 

LIGHT SNOW WILL CONTINUE ACROSS THE AREA INTO THE EARLY
AFTERNOON. ADDITIONAL ACCUMULATION OF AROUND 1 INCH WILL BE
POSSIBLE BEFORE TAPERING OFF IN THE 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.

$$

SDZ054>056-271800-
/O.CON.KFSD.SN.Y.0008.000000T0000Z-080327T1800Z/
MINER-LAKE-MOODY-
INCLUDING THE CITIES OF...HOWARD...MADISON...FLANDREAU
1005 AM CDT THU MAR 27 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS
AFTERNOON...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON. 

LIGHT SNOW WILL CONTINUE ACROSS THE AREA INTO THE EARLY
AFTERNOON. ADDITIONAL ACCUMULATION OF AROUND 1 INCH WILL BE
POSSIBLE BEFORE TAPERING OFF IN THE 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.

$$

LIEBL
000 
WWUS43 KFSD 271744
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1244 PM CDT THU MAR 27 2008

.HIGH PRESSURE WILL BUILD ACROSS THE AREA THE REMAINDER OF 
THE AFTERNOON BRINGING AN END TO THE SNOWFALL. 


MNZ080-081-089-090-097-098-271845-
/O.EXP.KFSD.SN.Y.0008.000000T0000Z-080327T1800Z/
MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-
INCLUDING THE CITIES OF...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...
LUVERNE
1244 PM CDT THU MAR 27 2008

...SNOW ADVISORY WILL EXPIRE AT 1 PM CDT THIS AFTERNOON...

THE SNOW ADVISORY WILL EXPIRE AT 1 PM CDT THIS AFTERNOON. 

LIGHT SNOW WILL TAPER OFF THIS AFTERNOON...WITH LITTLE TO NO
ADDITIONAL SNOW ACCUMULATION.

$$

SDZ054>056-271845-
/O.EXP.KFSD.SN.Y.0008.000000T0000Z-080327T1800Z/
MINER-LAKE-MOODY-
INCLUDING THE CITIES OF...HOWARD...MADISON...FLANDREAU
1244 PM CDT THU MAR 27 2008

...SNOW ADVISORY WILL EXPIRE AT 1 PM CDT THIS AFTERNOON...

THE SNOW ADVISORY WILL EXPIRE AT 1 PM CDT THIS AFTERNOON. 

LIGHT SNOW WILL TAPER OFF EARLY THIS AFTERNOON...WITH LITTLE TO NO
ADDITIONAL SNOW ACCUMULATION. 

$$
LIEBL

What forecasters said that day

The local office's own words before this snow advisory 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 snow advisory went out at Mar 26, 11:00 AM CDT, 15 minutes earlier.

Area forecast discussion, Mar 26, 11:00 AM CDT, 15 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1100 AM CDT WED MAR 26 2008

.DISCUSSION...
NICE BANDED SNOWFALL EVENT EXPECTED TODAY WITH OVERNIGHT SNOWFALL
FORECAST IN PRETTY GOOD SHAPE. WENT AHEAD AND BACKED OFF ON HIGHS
FOR TODAY WITH 12Z NAM AND SURROUNDING SOUNDINGS MORE IN LINE WITH
COOLER GFS NUMBERS. THIS GIVES MOST OF THE AREA HIGHS IN THE 40S
WITH SOMETHING NEAR 50 IN THE FAR SOUTH AND CLOSE TO 40 NEAR BKX.

EXPECT ONGOING BAND OF SPRINKLES NEAR THE 750MB FRONT TO CONTINUE TO
LIFT SLOWLY NORTHEAST THROUGH THE DAY AS WAVE APPROACHES FROM THE
WEST. DRY SLOT AND INSTABILITY SHOULD ALLOW FOR SOME PRECIPITATION
DEVELOPMENT AROUND NORTH CENTRAL NE INTO SOUTH CENTRAL SD LATE
AFTERNOON...WHICH SHOULD FEED INTO THIS EXISTING MID LEVEL FRONT
DURING THE EVENING. PERIODS OF HEAVY SNOW ARE ANTICIPATED ALONG THIS
BAND AND WILL UPGRADE PORTIONS OF THE WATCH TO A HEAVY SNOW WARNING
SINCE WIND...MIXED PRECIPITATION AND BLOWING AND DRIFTING ARE NOT
EXPECTED TO PLAY A ROLE. AT THIS TIME...LOOKS LIKE HIGHEST
PROBABILITY FOR 6 INCHES OR MORE OF SNOW SHOULD FOLLOW AN AXIS FROM
NEAR HON TO PIPESTONE AND JACKSON MINNESOTA. AMOUNTS SHOULD DROP OFF
RATHER QUICKLY TO THE SOUTH IN A COMBINATION OF WARMER CONDITIONS
NEAR THE SFC AND DRIER AIR MOVING IN ALOFT OVERNIGHT. WILL ALSO GO
WITH AN ADVISORY FOR LYON MN AND COTTONWOOD MN AS DRY LOW LEVEL HIGH
PRESSURE BUILDS SOUTH AND COULD CUT DOWN ON AMOUNTS.

08

&&

.AVIATION...
VFR EXPCD THRU MOST OF THE DAY. SOME MVFR CIGS AND VSBYS IN -RASN
DVLPG ACROSS SRN SD BY 20Z OR SO..BCMG AREAS OF IFR AFT 02Z.

&&

.PREV DISCUSSION...
CURRENTLY A FEW ECHOS SHOWING UP ON RADAR BUT NOTHING LIKELY
REACHING THE GROUND AT THIS POINT. NOT EXPECTING MUCH MORE THAN A
FEW LIGHT RAIN SHOWERS OR SPRINKLES AS A WEAK MID LEVEL WARM
ADVECTION BAND LIFTS NE ACROSS THE AREA TODAY. BENIGN WEATHER
THROUGH THIS AFTERNOON IS EXPECT TO DRAMATICALLY CHANGE THIS EVENING
AS RAIN AND SNOW RAPIDLY DEVELOP ACROSS MUCH OF THE CWA.

MODELS STILL NOT IN COMPLETE AGREEMENT WITH THE AXIS OF HIGHEST
PRECIPITATION. NAM SEEMS TO BE THE OUTLIER PRODUCING PRECIPITATION
FARTHER N...ROUGHLY E/W ALONG HIGHWAY 212...ALTHOUGH THE 6Z RUN IS
SLIGHTLY FARTHER S. TENDED TO FOLLOW CLOSER TO THE GFS AND EC
SOLUTIONS. WITH UNCERTAINTY REMAINING...ELECTED TO CONTINUE A WINTER
STORM WATCH FOR TONIGHT INTO THURSDAY. BASED ON LATEST GFS...THE
AXIS OF HIGHEST SNOWFALL WOULD RUN FROM AROUND HURON SEWRD TO
MADISON SD AND OVER TO JACKSON MN. THIS BEING THE CASE...EXPANDED
THE WATCH A TIER OR TWO OF COUNTIES SOUTHWARD. ALSO...SOMEWHAT
CONCERNED PRECIPITATION COULD FIRE UP FARTHER SOUTH...CLOSER TO THE
850 MB BOUNDARY...AS OPPOSED TO AROUND 700 MB WHERE THE MODELS ARE
INDICATING. HEAVIEST SNOW AMOUNT COULD ACTUALLY TRANSITION SOUTH OF
I 90 IF THIS WERE TO OCCUR. AT ANY RATE...IT APPEARS THERE WILL BE
NO SHORTAGE OF DYNAMICS WITH THIS SYSTEM...SO FULLY EXPECT
PRECIPITATION TO RAPIDLY DEVELOP THIS EVENING AS STRONG MIDLEVEL
WARM FRONT MOVES ACROSS THE AREA. PRECIPITATION SHOULD INITIALLY
DEVELOP AS RAIN...BUT QUICKLY TRANSITION OVER TO SNOW IN NRN AREAS
AS LOW LEVELS RAPIDLY COOL FROM ALOFT AND WET BULB DOWN. SNOW WILL
LIKELY BECOME HEAVY AT TIMES...WITH SNOW RATES OF AN INCH AN HOUR
POSSIBLE. AT LEAST WINDS AREA NOT EXPECTED TO BE ALL THAT
STRONG...MAINLY IN THE 15 TO 25 MPH RANGE. STILL EXPECTING A FAIRLY
SHARP CUTOFF IN ACCUMULATING SNOWFALL...BOTH TO THE N AND S.
TEMPERATURES WILL REMAIN WARM ENOUGH ALONG THE MISSOURI VALLEY THAT
MOST IF NOT ALL PRECIPITATION WILL FALL AS RAIN...AND LIQUID PRECIP
AMOUNTS SHOULD BE LIGHT AT THAT. SNOW TO CONTINUE INTO THURSDAY
MORNING AS UPPER WAVE SHIFTS INTO MN AND IA. A LITTLE CONCERNED
PRECIPITATION COULD TRANSITION OVER TO DRIZZLE IN THE
MORNING...SLIGHTLY LOWERING THE EXPECTED SNOWFALL AMOUNT OVER NW IA
AND SW MN...AS A DRY PUNCH COMES IN AROUND 700 MB.

&&

.FSD WATCHES/WARNINGS/ADVISORIES...
IA...SNOW ADVISORY FROM 10 PM THIS EVENING TO 1 PM CDT THURSDAY FOR
     IAZ001>003-012>014.

MN...HEAVY SNOW WARNING FROM 10 PM THIS EVENING TO 1 PM CDT THURSDAY
     FOR MNZ071-080-089-090-097-098.

     SNOW ADVISORY FROM MIDNIGHT TONIGHT TO 4 PM CDT THURSDAY FOR
     MNZ072-081.

NE...NONE.
SD...SNOW ADVISORY FROM 10 PM THIS EVENING TO 1 PM CDT THURSDAY FOR
     SDZ052-058>062-067.

     HEAVY SNOW WARNING FROM 10 PM THIS EVENING TO 1 PM CDT THURSDAY
     FOR SDZ038>040-053>056.

&&

LIEBL/RYRHOLM
Hazardous weather outlook, Mar 26, 5:08 AM CDT, 6 hours 7 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
508 AM CDT WED MAR 26 2008

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-
508 AM CDT WED MAR 26 2008

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

.DAY ONE...TODAY AND TONIGHT

WINTER WEATHER...
LOW PRESSURE WILL DEVELOP OVER THE CENTRAL ROCKIES THIS
AFTERNOON... AND THEN MOVE EAST THROUGH THE CENTRAL PLAINS
TONIGHT AND THURSDAY. NORTH OF THE LOW PRESSURE CENTER...A BAND
OF HEAVY SNOW
IS EXPECTED TO DEVELOP ALONG AND NORTH OF INTERSTATE 90 IN SOUTH
DAKOTA...AND ALSO INTO SOUTHWEST MINNESOTA AND FAR NORTHWEST
IOWA.

LIGHT RAIN AND SNOW WILL BEGIN BY EARLY THIS EVENING AND THEN
RAPIDLY CHANGE TO SNOW ALONG AND NORTH OF INTERSTATE 90 BY LATE
THIS EVENING...WHERE SNOW ACCUMULATIONS OF 5 TO 10 INCHES CAN BE
EXPECTED THROUGH THURSDAY MORNING. THE HIGHEST SNOW ACCUMULATIONS
ARE EXPECTED ROUGHLY ON LINE FROM HURON SOUTH DAKOTA TO JACKSON
MINNESOTA. AT THIS TIME...THE CITIES OF SIOUX FALLS AND MITCHELL
ARE EXPECTED TO BE NEAR THE SOUTHERN EDGE OF THE BAND OF HEAVIEST
SNOW.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.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.

LIEBL

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 26, 11:15 AM CDTHeavy Snow WarningFSDBeadle, Brookings, Jerauld, Kingsbury, Lake, Miner and 2 more17 hr

Nearby

Snow Advisories in South Dakota, 2008Snow Advisories in Minnesota, 2008Snow Advisories in Iowa, 2008Every snow advisory in 2008

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.