Alert archive / Iowa / Winter Storm Warnings in 2008
Winter Storm Warning 3, NWS Des Moines, IA
NWS Des Moines, IA issued this winter storm warning at Feb 24, 2008, 11:46 PM CST for 20 counties in Iowa. It took effect at Feb 25, 2008, 9:00 AM CST. It was in force for 6 hr. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 24, 2008, 11:46 PM CST (05:46 UTC)
- In effect from
- Feb 25, 2008, 9:00 AM CST
- Expired
- Feb 25, 2008, 3:10 PM CST
- In force
- 6 hr
- Issued by
- NWS Des Moines, IA
Counties Black Hawk County, IA, Boone County, IA, Bremer County, IA, Butler County, IA, Calhoun County, IA, Carroll County, IA, Crawford County, IA, Franklin County, IA, Greene County, IA, Grundy County, IA, Hamilton County, IA, Hardin County, IA, Humboldt County, IA, Marshall County, IA, Pocahontas County, IA, Sac County, IA, Story County, IA, Tama County, IA, Webster County, IA, Wright County, IA
The radar
The Des Moines radar (KDMX), 72 km from the middle of the area, began a volume at 05:46 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 25, 2:30 PM CST | SNOW 0.5 | Auburn, IA | HIGHWAY ROADS GOOD...COUNTRY ROADS WERE NOT AS GOOD. |
| Feb 25, 3:10 PM CST | SNOW 0.8 | Allison, IA | LESS THAN AN INCH OF SNOW AND SLUSH. FROM BUTLER COUNTY SHERIFF |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 5.8 hours before the alert went out and 249 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1613 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 219 m²/s²
- 0-3 km storm-relative helicity
- 204 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS43 KDMX 250546 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1146 PM CST SUN FEB 24 2008 ...MAJOR WINTER STORM HEADING FOR IOWA MONDAY AND MONDAY NIGHT... .A WINTER STORM IS EXPECTED TO IMPACT IOWA MONDAY AND CONTINUE THROUGH MONDAY NIGHT. THE STORM WILL INITIALLY BEGIN AS RAIN OR A RAIN...SNOW MIX ACROSS CENTRAL AND SOUTHERN IOWA WHILE REMAINING MAINLY SNOW OVER THE NORTH. SIGNIFICANT SNOWFALL ACCUMULATIONS ARE POSSIBLE MAINLY BETWEEN THE HIGHWAY 20 AND HIGHWAY 30 CORRIDORS BY MONDAY EVENING. STRONG NORTHWEST WINDS WILL FOLLOW THE STORM MONDAY NIGHT...CAUSING BLOWING AND DRIFTING SNOW. IAZ025>028-034>039-045>050-251400- /O.UPG.KDMX.WS.A.0004.080225T1200Z-080226T1200Z/ /O.NEW.KDMX.WS.W.0003.080225T1500Z-080226T1200Z/ WRIGHT-FRANKLIN-BUTLER-BREMER-CALHOUN-WEBSTER-HAMILTON-HARDIN- GRUNDY-BLACK HAWK-CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA- INCLUDING THE CITIES OF...CLARION...HAMPTON...ALLISON...WAVERLY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO...CARROLL...JEFFERSON...BOONE...AMES... MARSHALLTOWN...TOLEDO 1146 PM CST SUN FEB 24 2008 ...WINTER STORM WARNING IN EFFECT FROM 9 AM MONDAY TO 6 AM CST TUESDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 9 AM MONDAY TO 6 AM CST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. EXPECT A RAIN AND SNOW MIX TO DEVELOP MONDAY MORNING ACROSS THE AREA BEFORE CHANGING TO ALL SNOW BY LATE MORNING AT ALL LOCATIONS. THE SNOW WILL BE HEAVY AT TIMES ESPECIALLY BY LATE MORNING THROUGH THE AFTERNOON HOURS WITH SNOWFALL RATES APPROACHING 1 TO 2 INCHES PER HOUR AT TIMES. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 8 INCHES ARE POSSIBLE. NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS LATE MONDAY AFTERNOON AND CONTINUE THROUGH MONDAY NIGHT RESULTING IN BLOWING AND DRIFTING OF SNOW. A BRIEF MIX WITH FREEZING RAIN OR SLEET IS POSSIBLE DURING THE TRANSITION FROM RAIN TO SNOW HOWEVER NOW ACCUMULATIONS OF ICE ARE EXPECTED. 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. $$ IAZ023-024-033-044-251400- /O.NEW.KDMX.WS.W.0003.080225T1500Z-080226T1200Z/ POCAHONTAS-HUMBOLDT-SAC-CRAWFORD- INCLUDING THE CITIES OF...POCAHONTAS...HUMBOLDT...SAC CITY... DENISON 1146 PM CST SUN FEB 24 2008 ...WINTER STORM WARNING IN EFFECT FROM 9 AM MONDAY TO 6 AM CST TUESDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 9 AM MONDAY TO 6 AM CST TUESDAY. EXPECT A RAIN AND SNOW MIX TO DEVELOP MONDAY MORNING ACROSS THE AREA BEFORE CHANGING TO ALL SNOW BY LATE MORNING AT ALL LOCATIONS. THE SNOW WILL BE HEAVY AT TIMES ESPECIALLY BY LATE MORNING THROUGH THE AFTERNOON HOURS WITH SNOWFALL RATES APPROACHING 1 TO 2 INCHES PER HOUR AT TIMES. TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 7 INCHES ARE POSSIBLE. NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS LATE MONDAY AFTERNOON AND CONTINUE THROUGH MONDAY NIGHT RESULTING IN BLOWING AND DRIFTING OF SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IAZ017-251400- /O.UPG.KDMX.WS.A.0004.080225T1200Z-080226T1200Z/ /O.NEW.KDMX.WW.Y.0007.080225T1500Z-080226T1200Z/ CERRO GORDO- INCLUDING THE CITY OF...MASON CITY 1146 PM CST SUN FEB 24 2008 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 AM MONDAY TO 6 AM CST TUESDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT FROM 9 AM MONDAY TO 6 AM CST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. EXPECT A RAIN AND SNOW MIX TO DEVELOP MONDAY MORNING ACROSS NORTH CENTRAL IOWA BEFORE QUICKLY CHANGING TO ALL SNOW BY MID MORNING. A PERIOD OF FREEZING RAIN OR SLEET IS POSSIBLE DURING THE TRANSITION PERIOD WITH MINOR ICE ACCUMULATIONS POSSIBLE. THE SNOW WILL BE MODERATE AT TIMES ESPECIALLY BY LATE MORNING THROUGH THE AFTERNOON HOURS WITH SNOWFALL RATES APPROACHING 1 INCH PER HOUR AT TIMES. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES ARE POSSIBLE. NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS LATE MONDAY AFTERNOON AND CONTINUE THROUGH MONDAY NIGHT RESULTING IN BLOWING AND DRIFTING OF SNOW. 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. $$ IAZ057>062-070>075-251400- /O.UPG.KDMX.WS.A.0004.080225T1200Z-080226T1200Z/ /O.NEW.KDMX.WW.Y.0007.080225T1800Z-080226T1200Z/ AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON- WARREN-MARION-MAHASKA- INCLUDING THE CITIES OF...AUDUBON...GUTHRIE CENTER...ADEL... DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD... WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA 1146 PM CST SUN FEB 24 2008 ...WINTER WEATHER ADVISORY IN EFFECT FROM 12 PM MONDAY TO 6 AM CST TUESDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT FROM 12 PM MONDAY TO 6 AM CST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. EXPECT A RAIN O DEVELOP MONDAY MORNING BEFORE MIXING WITH SNOW BY LATE MORNING AND THEN CHANGING OVER TO ALL SNOW FROM WEST TO EAST. A BRIEF PERIOD OF FREEZING RAIN OR SLEET IS POSSIBLE DURING THE TRANSITION PERIOD WITH MINOR ICE ACCUMULATIONS POSSIBLE. THE SNOW WILL BE MODERATE AT TIMES ESPECIALLY BY MID TO LATE AFTERNOON AND INTO THE EARLY EVENING HOURS WITH SNOWFALL RATES APPROACHING 1 INCH PER HOUR AT TIMES. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES ARE POSSIBLE BY MIDNIGHT MONDAY NIGHT. NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS LATE MONDAY AFTERNOON AND CONTINUE THROUGH MONDAY NIGHT RESULTING IN BLOWING AND DRIFTING OF SNOW. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ004>007-015-016-251400- /O.NEW.KDMX.WW.Y.0007.080225T1500Z-080226T1200Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER 1146 PM CST SUN FEB 24 2008 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 AM MONDAY TO 6 AM CST TUESDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT FROM 9 AM MONDAY TO 6 AM CST TUESDAY. EXPECT A RAIN AND SNOW MIX TO DEVELOP MONDAY MORNING ACROSS NORTH CENTRAL IOWA BEFORE QUICKLY CHANGING TO ALL SNOW BY MID MORNING. A PERIOD OF FREEZING RAIN OR SLEET IS POSSIBLE DURING THE TRANSITION PERIOD WITH MINOR ICE ACCUMULATIONS POSSIBLE. THE SNOW WILL BE MODERATE AT TIMES ESPECIALLY BY LATE MORNING THROUGH THE AFTERNOON HOURS WITH SNOWFALL RATES APPROACHING 1 INCH PER HOUR AT TIMES. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES ARE POSSIBLE. NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS LATE MONDAY AFTERNOON AND CONTINUE THROUGH MONDAY NIGHT RESULTING IN BLOWING AND DRIFTING OF SNOW. 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. $$ DONAVON
5 follow-up statements
000 WWUS43 KDMX 250957 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 357 AM CST MON FEB 25 2008 ...MAJOR WINTER STORM HEADING FOR IOWA MONDAY AND MONDAY NIGHT... .A WINTER STORM WILL IMPACT IOWA TODAY AND TONIGHT. THE CENTER OF THE STORM WAS OVER SOUTHERN NEBRASKA THIS MORNING AND WILL MOVE EAST ACROSS MISSOURI TODAY. PRECIPITATION WILL BEGIN AS RAIN OR A MIX OF RAIN AND SNOW. SIGNIFICANT SNOWFALL ACCUMULATIONS ARE LIKELY BETWEEN THE HIGHWAY 20 AND 30 CORRIDORS. STRONG NORTHWEST WINDS WILL CAUSE BLOWING AND DRIFTING SNOW TONIGHT. IAZ023>028-033>039-044>050-251800- /O.CON.KDMX.WS.W.0003.080225T1500Z-080226T1200Z/ POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE- BOONE-STORY-MARSHALL-TAMA- INCLUDING THE CITIES OF...POCAHONTAS...HUMBOLDT...CLARION... HAMPTON...ALLISON...WAVERLY...SAC CITY...ROCKWELL CITY... FORT DODGE...WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO... DENISON...CARROLL...JEFFERSON...BOONE...AMES...MARSHALLTOWN... TOLEDO 357 AM CST MON FEB 25 2008 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 6 AM CST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 6 AM CST TUESDAY. EXPECT A RAIN AND SNOW MIX TO SPREAD ACROSS THE AREA THIS MORNING AND GRADUALLY CHANGE TO ALL SNOW BY LATE MORNING. THE SNOW WILL BE HEAVY AT TIMES ESPECIALLY BY LATE MORNING THROUGH THE AFTERNOON HOURS WITH SNOWFALL RATES APPROACHING 1 TO 2 INCHES PER HOUR AT TIMES. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 8 INCHES ARE POSSIBLE. NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS LATE THIS AFTERNOON AND CONTINUE THROUGH TONIGHT RESULTING IN BLOWING AND DRIFTING OF SNOW. A BRIEF MIX WITH FREEZING RAIN OR SLEET IS POSSIBLE DURING THE TRANSITION FROM RAIN TO SNOW HOWEVER NO ACCUMULATIONS OF ICE ARE EXPECTED. 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. $$ IAZ004>007-015>017-251800- /O.CON.KDMX.WW.Y.0007.080225T1500Z-080226T1200Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY 357 AM CST MON FEB 25 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 6 AM CST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 6 AM CST TUESDAY. EXPECT A RAIN AND SNOW MIX TO SPREAD ACROSS NORTH CENTRAL IOWA THIS MORNING. THE MIXTURE WILL CHANGE OVER TO SNOW QUICKLY BY MID MORNING. A PERIOD OF FREEZING RAIN OR SLEET IS POSSIBLE DURING THE TRANSITION PERIOD WITH MINOR ICE ACCUMULATIONS POSSIBLE. THE SNOW WILL BE MODERATE AT TIMES ESPECIALLY BY LATE MORNING THROUGH THE AFTERNOON HOURS WITH SNOWFALL RATES APPROACHING 1 INCH PER HOUR AT TIMES. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES ARE POSSIBLE. NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS LATE THIS AFTERNOON AND CONTINUE THROUGH TONIGHT RESULTING IN BLOWING AND DRIFTING OF SNOW. 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. $$ IAZ057>062-070>075-251800- /O.CON.KDMX.WW.Y.0007.080225T1800Z-080226T1200Z/ AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON- WARREN-MARION-MAHASKA- INCLUDING THE CITIES OF...AUDUBON...GUTHRIE CENTER...ADEL... DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD... WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA 357 AM CST MON FEB 25 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 6 AM CST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 6 AM CST TUESDAY. EXPECT A RAIN TO DEVELOP THIS MORNING...THEN BECOME MIXED WITH SNOW BY LATE MORNING. THE MIXTURE WILL CHANGE TO SNOW FROM WEST TO EAST DURING THE LATE MORNING AND EARLY AFTERNOON. A BRIEF PERIOD OF FREEZING RAIN OR SLEET IS POSSIBLE DURING THE TRANSITION PERIOD WITH MINOR ICE ACCUMULATIONS POSSIBLE. THE SNOW WILL BE MODERATE AT TIMES ESPECIALLY BY MID TO LATE AFTERNOON AND INTO THE EARLY EVENING HOURS WITH SNOWFALL RATES APPROACHING 1 INCH PER HOUR AT TIMES. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES ARE POSSIBLE BY MIDNIGHT TONIGHT. NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS LATE THIS AFTERNOON AND CONTINUE THROUGH TONIGHT RESULTING IN BLOWING AND DRIFTING OF SNOW. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS43 KDMX 251637 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1037 AM CST MON FEB 25 2008 ...MAJOR WINTER STORM FOR PARTS OF CENTRAL IOWA THROUGH TONIGHT... .A WINTER STORM WILL IMPACT IOWA TODAY AND TONIGHT. THE CENTER OF THE STORM WAS OVER NORTHEAST KANSAS THIS MORNING AND WILL MOVE EAST ACROSS MISSOURI TODAY. RAIN OR FREEZING RAIN WILL CHANGE TO SNOW DURING THE DAY FROM NORTHWEST TO SOUTHEAST. SIGNIFICANT SNOWFALL ACCUMULATIONS ARE LIKELY BETWEEN THE HIGHWAY 20 AND 30 CORRIDORS. STRONG NORTHWEST WINDS WILL CAUSE BLOWING AND DRIFTING SNOW TONIGHT. IAZ023>028-033>039-044>050-260045- /O.CON.KDMX.WS.W.0003.000000T0000Z-080226T1200Z/ POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE- BOONE-STORY-MARSHALL-TAMA- INCLUDING THE CITIES OF...POCAHONTAS...HUMBOLDT...CLARION... HAMPTON...ALLISON...WAVERLY...SAC CITY...ROCKWELL CITY... FORT DODGE...WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO... DENISON...CARROLL...JEFFERSON...BOONE...AMES...MARSHALLTOWN... TOLEDO 1037 AM CST MON FEB 25 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST TUESDAY. FREEZING RAIN WILL CONTINUE THROUGH EARLY AFTERNOON GENERALLY ALONG AND NORTH OF HIGHWAY 30 AND EAST OF HIGHWAY 169. TEMPERATURES WILL REMAIN JUST BELOW THE FREEZING MARK...ALLOWING FOR ICE ACCRUAL OF UP TO TWO TENTHS OF AN INCH ON ROADS AND OTHER EXPOSED SURFACES. THE FREEZING RAIN WILL GRADUALLY CHANGE TO RAIN ALONG THE HIGHWAY 30 CORRIDOR BY EARLY AFTERNOON...BUT THEN CHANGE TO SNOW WEST TO EAST BY MID AFTERNOON. FARTHER WEST...SNOW...OR RAIN CHANGING TO SNOW CAN BE EXPECTED BY NOON...WITH MODERATE SNOW DEVELOPING. WHERE IT CHANGES TO SNOW THIS AFTERNOON...EXPECT A PERIOD OF MODERATE TO HEAVY SNOW...WITH SNOWFALL RATES UP TO 2 INCHES PER HOUR AND VISIBILITY REDUCED UNDER ONE HALF MILE. TOTAL SNOW ACCUMULATIONS OF 6 TO 8 INCHES ARE EXPECTED. NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS LATE THIS AFTERNOON AND CONTINUE THROUGH TONIGHT RESULTING IN 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. $$ IAZ004>007-015>017-260045- /O.CON.KDMX.WW.Y.0007.000000T0000Z-080226T1200Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY 1037 AM CST MON FEB 25 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST TUESDAY. A MIXTURE OF FREEZING RAIN AND SNOW WILL BECOME ALL SNOW BY EARLY AFTERNOON. MINOR ICE ACCUMULATIONS ARE POSSIBLE EAST OF HIGHWAY 169. THE SNOW WILL BE MODERATE AT TIMES THROUGH THE AFTERNOON HOURS WITH SNOWFALL RATES APPROACHING 1 INCH PER HOUR. TOTAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED. NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS LATE THIS AFTERNOON AND CONTINUE THROUGH TONIGHT RESULTING IN BLOWING AND DRIFTING OF SNOW. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ057>062-070>075-260045- /O.CON.KDMX.WW.Y.0007.080225T1800Z-080226T1200Z/ AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON- WARREN-MARION-MAHASKA- INCLUDING THE CITIES OF...AUDUBON...GUTHRIE CENTER...ADEL... DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD... WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA 1037 AM CST MON FEB 25 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST TUESDAY. A MIXTURE OF LIGHT RAIN...FREEZING RAIN AND DRIZZLE CAN BE EXPECTED UNTIL EARLY AFTERNOON WHEN PRECIPITATION WILL CHANGE TO SNOW FROM WEST TO EAST. SOME LIGHT ICE ACCRUAL IS POSSIBLE NORTH OF INTERSTATE 80...BUT THE BIGGER STORY WILL BE THE MODERATE TO LOCALLY HEAVY SNOWFALL EXPECTED DURING THE AFTERNOON AREA WIDE...THEN INTO THE EARLY EVENING EAST OF INTERSTATE 35. SNOWFALL RATES WILL APPROACH 1 INCH PER HOUR AT TIMES. TOTAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED BY MIDNIGHT TONIGHT...WITH LOCALLY HIGHER ACCUMULATIONS NORTH OF HIGHWAY 44 IN THE WEST...AND NORTH OF THE INTERSTATE 80 CORRIDOR IN THE EAST. NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS LATE THIS AFTERNOON AND CONTINUE THROUGH TONIGHT RESULTING IN BLOWING AND DRIFTING OF SNOW. 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. $$ MOYER
000 WWUS43 KDMX 251906 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 106 PM CST MON FEB 25 2008 ...MODERATE TO LOCALLY HEAVY SNOWFALL FOR PARTS OF CENTRAL IOWA THROUGH EARLY TONIGHT... .A WINTER STORM WILL IMPACT IOWA TODAY AND TONIGHT. THE CENTER OF THE STORM WAS OVER EASTERN KANSAS EARLY THIS AFTERNOON AND WILL MOVE EAST SOUTHEAST ACROSS MISSOURI THROUGH THE REMAINDER OF THE AFTERNOON. RAIN HAS ALREADY CHANGED TO SNOW NORTHWEST OF A LINE FROM DENISON TO MASON CITY. ELSEWHERE...RAIN OR FREEZING RAIN WILL CHANGE TO SNOW DURING THE AFTERNOON FROM NORTHWEST TO SOUTHEAST. DUE TO THE SLIGHT DELAY IN TRANSITION TO SNOW...SNOWFALL ACCUMULATIONS ARE NO EXPECTED TO BE AS HIGH AS PREVIOUSLY THOUGHT. HOWEVER...A LARGE PORTION OF CENTRAL IOWA WILL STILL RECEIVE MODERATE ACCUMULATIONS WHICH WILL FALL INTENSELY FOR A 2 TO 3 HOUR PERIOD. STRONG NORTHWEST WINDS WILL CAUSE BLOWING AND DRIFTING SNOW TONIGHT. IAZ023>028-033>039-044>050-260315- /O.CON.KDMX.WS.W.0003.000000T0000Z-080226T1200Z/ POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE- BOONE-STORY-MARSHALL-TAMA- INCLUDING THE CITIES OF...POCAHONTAS...HUMBOLDT...CLARION... HAMPTON...ALLISON...WAVERLY...SAC CITY...ROCKWELL CITY... FORT DODGE...WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO... DENISON...CARROLL...JEFFERSON...BOONE...AMES...MARSHALLTOWN... TOLEDO 106 PM CST MON FEB 25 2008 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST TUESDAY. A MIXTURE OF FREEZING RAIN...SLEET AND SNOW WILL CONTINUE THROUGH EARLY AFTERNOON GENERALLY ALONG AND NORTH OF HIGHWAY 30 AND EAST OF HIGHWAY 659. TEMPERATURES WILL REMAIN JUST BELOW THE FREEZING MARK...ALLOWING FOR ICE ACCRUAL OF UP TO TWO TENTHS OF AN INCH ON ROADS AND OTHER EXPOSED SURFACES. THE PRECIPITATION WILL CHANGE TO ALL SNOW BY MID AFTERNOON. FARTHER WEST...SNOW...OR RAIN CHANGING TO SNOW CAN BE EXPECTED EARLY THIS AFTERNOON...WITH MODERATE SNOW DEVELOPING. WHERE IT CHANGES TO SNOW THIS AFTERNOON...EXPECT A 2 TO 3 HOUR PERIOD OF MODERATE TO HEAVY SNOW...WITH SNOWFALL RATES UP TO 2 INCHES PER HOUR AND VISIBILITY REDUCED UNDER ONE HALF MILE. TOTAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED. NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS LATE THIS AFTERNOON AND CONTINUE THROUGH TONIGHT RESULTING IN BLOWING AND DRIFTING OF SNOW...MAINLY 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. $$ IAZ004>007-015>017-260315- /O.CON.KDMX.WW.Y.0007.000000T0000Z-080226T1200Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY 106 PM CST MON FEB 25 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST TUESDAY. LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH THE AFTERNOON HOURS. TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED. NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS LATE THIS AFTERNOON AND CONTINUE THROUGH TONIGHT RESULTING IN BLOWING AND DRIFTING OF SNOW. 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. $$ IAZ057>062-070>075-260315- /O.CON.KDMX.WW.Y.0007.000000T0000Z-080226T1200Z/ AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON- WARREN-MARION-MAHASKA- INCLUDING THE CITIES OF...AUDUBON...GUTHRIE CENTER...ADEL... DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD... WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA 106 PM CST MON FEB 25 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST TUESDAY. LIGHT RAIN OR DRIZZLE WILL GRADUALLY CHANGE TO SNOW FROM NORTHWEST TO SOUTHEAST THIS AFTERNOON. AUDUBON AND ATLANTIC SHOULD CHANGE TO SNOW BY 2 PM...THE DES MOINES METRO AREA BY 4 PM...AND PELLA AND OSKALOOSA BY 530 PM. AFTER THE CHANGE TO SNOW...EXPECT A 2 TO 3 HOUR PERIOD OF MODERATE TO LOCALLY HEAVY SNOWFALL WITH SNOWFALL RATES AROUND 1 INCH PER HOUR POSSIBLE. TOTAL SNOW ACCUMULATIONS OF 3 TO 5 INCHES WITH LOCALLY HIGHER AMOUNTS ARE EXPECTED BY MIDNIGHT TONIGHT. NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS LATE THIS AFTERNOON AND CONTINUE THROUGH TONIGHT RESULTING IN BLOWING AND DRIFTING OF SNOW...MAINLY IN OPEN AREAS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MOYER
000 WWUS43 KDMX 251909 CCA WSWDMX URGENT - WINTER WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE DES MOINES IA 107 PM CST MON FEB 25 2008 ...MODERATE TO LOCALLY HEAVY SNOWFALL FOR PARTS OF CENTRAL IOWA THROUGH EARLY TONIGHT... .A WINTER STORM WILL IMPACT IOWA TODAY AND TONIGHT. THE CENTER OF THE STORM WAS OVER EASTERN KANSAS EARLY THIS AFTERNOON AND WILL MOVE EAST SOUTHEAST ACROSS MISSOURI THROUGH THE REMAINDER OF THE AFTERNOON. RAIN HAS ALREADY CHANGED TO SNOW NORTHWEST OF A LINE FROM DENISON TO MASON CITY. ELSEWHERE...RAIN OR FREEZING RAIN WILL CHANGE TO SNOW DURING THE AFTERNOON FROM NORTHWEST TO SOUTHEAST. DUE TO THE SLIGHT DELAY IN TRANSITION TO SNOW...SNOWFALL ACCUMULATIONS ARE NO EXPECTED TO BE AS HIGH AS PREVIOUSLY THOUGHT. HOWEVER...A LARGE PORTION OF CENTRAL IOWA WILL STILL RECEIVE MODERATE ACCUMULATIONS WHICH WILL FALL INTENSELY FOR A 2 TO 3 HOUR PERIOD. STRONG NORTHWEST WINDS WILL CAUSE BLOWING AND DRIFTING SNOW TONIGHT. IAZ023>028-033>039-044>050-260330- /O.COR.KDMX.WS.W.0003.000000T0000Z-080226T1200Z/ POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE- BOONE-STORY-MARSHALL-TAMA- INCLUDING THE CITIES OF...POCAHONTAS...HUMBOLDT...CLARION... HAMPTON...ALLISON...WAVERLY...SAC CITY...ROCKWELL CITY... FORT DODGE...WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO... DENISON...CARROLL...JEFFERSON...BOONE...AMES...MARSHALLTOWN... TOLEDO 107 PM CST MON FEB 25 2008 CORRECTED HIGHWAY NUMBER TYPO ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST TUESDAY. A MIXTURE OF FREEZING RAIN...SLEET AND SNOW WILL CONTINUE THROUGH EARLY AFTERNOON GENERALLY ALONG AND NORTH OF HIGHWAY 30 AND EAST OF HIGHWAY 65. TEMPERATURES WILL REMAIN JUST BELOW THE FREEZING MARK...ALLOWING FOR ICE ACCRUAL OF UP TO TWO TENTHS OF AN INCH ON ROADS AND OTHER EXPOSED SURFACES. THE PRECIPITATION WILL CHANGE TO ALL SNOW BY MID AFTERNOON. FARTHER WEST...SNOW...OR RAIN CHANGING TO SNOW CAN BE EXPECTED EARLY THIS AFTERNOON...WITH MODERATE SNOW DEVELOPING. WHERE IT CHANGES TO SNOW THIS AFTERNOON...EXPECT A 2 TO 3 HOUR PERIOD OF MODERATE TO HEAVY SNOW...WITH SNOWFALL RATES UP TO 2 INCHES PER HOUR AND VISIBILITY REDUCED UNDER ONE HALF MILE. TOTAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED. NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS LATE THIS AFTERNOON AND CONTINUE THROUGH TONIGHT RESULTING IN BLOWING AND DRIFTING OF SNOW...MAINLY 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. $$ IAZ004>007-015>017-260330- /O.CON.KDMX.WW.Y.0007.000000T0000Z-080226T1200Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY 107 PM CST MON FEB 25 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST TUESDAY. LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH THE AFTERNOON HOURS. TOTAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED. NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS LATE THIS AFTERNOON AND CONTINUE THROUGH TONIGHT RESULTING IN BLOWING AND DRIFTING OF SNOW. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ057>062-070>075-260330- /O.CON.KDMX.WW.Y.0007.000000T0000Z-080226T1200Z/ AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON- WARREN-MARION-MAHASKA- INCLUDING THE CITIES OF...AUDUBON...GUTHRIE CENTER...ADEL... DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD... WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA 107 PM CST MON FEB 25 2008 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST TUESDAY. LIGHT RAIN OR DRIZZLE WILL GRADUALLY CHANGE TO SNOW FROM NORTHWEST TO SOUTHEAST THIS AFTERNOON. AUDUBON AND ATLANTIC SHOULD CHANGE TO SNOW BY 2 PM...THE DES MOINES METRO AREA BY 4 PM...AND PELLA AND OSKALOOSA BY 530 PM. AFTER THE CHANGE TO SNOW...EXPECT A 2 TO 3 HOUR PERIOD OF MODERATE TO LOCALLY HEAVY SNOWFALL WITH SNOWFALL RATES AROUND 1 INCH PER HOUR POSSIBLE. TOTAL SNOW ACCUMULATIONS OF 3 TO 5 INCHES WITH LOCALLY HIGHER AMOUNTS ARE EXPECTED BY MIDNIGHT TONIGHT. NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS LATE THIS AFTERNOON AND CONTINUE THROUGH TONIGHT RESULTING IN BLOWING AND DRIFTING OF SNOW...MAINLY IN OPEN AREAS. 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. $$ MOYER
000 WWUS43 KDMX 252110 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 310 PM CST MON FEB 25 2008 ...MODERATE SNOWFALL FOR PARTS OF CENTRAL IOWA THROUGH EARLY TONIGHT... .A LOW PRESSURE SYSTEM WILL CROSS CENTRAL MISSOURI LATE THIS AFTERNOON AND TONIGHT. PRECIPITATION HAS BEEN STEADILY CHANGING TO SNOW ACROSS CENTRAL IOWA DURING THE EARLY AND MIDDLE AFTERNOON...WITH MOST AREAS NORTH OF INTERSTATE 80 ALL SNOW. THE RAIN SNOW LINE WILL CONTINUE MOVING SOUTHEAST TOWARD OTTUMWA LATE THIS AFTERNOON. NORTH TO NORTHWEST WINDS WILL INCREASE DURING THE EVENING WHICH WILL CAUSE SOME DRIFTING OF THE SNOW. HOWEVER...DUE TO THE WET NATURE OF THIS SNOWFALL...WIDESPREAD AIRBORNE BLOWING SNOW IS NOT ANTICIPATED. IAZ026>028-036>039-046>050-260515- /O.CAN.KDMX.WS.W.0003.000000T0000Z-080226T1200Z/ /O.EXB.KDMX.WW.Y.0007.000000T0000Z-080226T0600Z/ FRANKLIN-BUTLER-BREMER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-GREENE- BOONE-STORY-MARSHALL-TAMA- INCLUDING THE CITIES OF...HAMPTON...ALLISON...WAVERLY... WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...JEFFERSON... BOONE...AMES...MARSHALLTOWN...TOLEDO 310 PM CST MON FEB 25 2008 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. THE WINTER STORM WARNING HAS BEEN CANCELLED. GENERALLY LIGHT TO MODERATE SNOW WILL FALL THROUGH EARLY THIS EVENING. LOCALLY HEAVY SNOW COULD FALL WITH SNOWFALL RATES NEAR ONE INCH PER HOUR AND VISIBILITY REDUCED UNDER ONE HALF MILE. TOTAL SNOWFALL BY 9 PM THIS EVENING WILL BE 3 TO 5 INCHES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. NORTH TO NORTHWEST WINDS INCREASING TO 20 TO 30 MPH THIS EVENING WILL CONTRIBUTE TO DRIFTING SNOW AND SOME GROUND LEVEL BLOWING SNOW. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN...IN THIS CASE SNOW AND WIND...WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITY...AND USE CAUTION WHILE DRIVING. $$ IAZ023>025-033>035-044-045-252215- /O.CAN.KDMX.WS.W.0003.000000T0000Z-080226T1200Z/ POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER-CRAWFORD-CARROLL- INCLUDING THE CITIES OF...POCAHONTAS...HUMBOLDT...CLARION... SAC CITY...ROCKWELL CITY...FORT DODGE...DENISON...CARROLL 310 PM CST MON FEB 25 2008 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE WINTER STORM WARNING. LIGHT SNOW WILL CONTINUE INTO EARLY THIS EVENING WITH TOTAL SNOWFALL ONLY IN THE 1 TO 3 INCH RANGE. $$ IAZ004>007-015>017-057-070-252215- /O.CAN.KDMX.WW.Y.0007.000000T0000Z-080226T1200Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- AUDUBON-CASS- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...AUDUBON...ATLANTIC 310 PM CST MON FEB 25 2008 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE WINTER WEATHER ADVISORY. LIGHT SNOW WILL CONTINUE INTO EARLY THIS EVENING WITH TOTAL SNOWFALL ONLY IN THE 1 TO 3 INCH RANGE. $$ IAZ082>086-094>097-260515- /O.EXB.KDMX.WW.Y.0007.000000T0000Z-080226T0600Z/ UNION-CLARKE-LUCAS-MONROE-WAPELLO-DECATUR-WAYNE-APPANOOSE-DAVIS- INCLUDING THE CITIES OF...CRESTON...OSCEOLA...CHARITON...ALBIA... OTTUMWA...LEON...CORYDON...CENTERVILLE...BLOOMFIELD 310 PM CST MON FEB 25 2008 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. LIGHT RAIN OR DRIZZLE WILL GRADUALLY CHANGE TO SNOW FROM NORTHWEST TO SOUTHEAST LATE THIS AFTERNOON. AFTER THE CHANGE TO SNOW...EXPECT A 2 TO 3 HOUR PERIOD OF MODERATE TO LOCALLY HEAVY SNOW WITH SNOWFALL RATES AROUND 1 INCH PER HOUR POSSIBLE. TOTAL SNOW ACCUMULATIONS OF 3 TO 5 INCHES CAN BE EXPECTED BY MIDNIGHT. NORTH TO NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS THIS EVENING AND CAUSE DRIFTING SNOW AND AREAS OF GROUND LEVEL BLOWING SNOW. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN...IN THIS CASE SNOW AND WIND...WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ058>062-071>075-260515- /O.EXT.KDMX.WW.Y.0007.000000T0000Z-080226T0600Z/ GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK-ADAIR-MADISON-WARREN-MARION- MAHASKA- INCLUDING THE CITIES OF...GUTHRIE CENTER...ADEL...DES MOINES... NEWTON...GRINNELL...GREENFIELD...WINTERSET...INDIANOLA... KNOXVILLE...OSKALOOSA 310 PM CST MON FEB 25 2008 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT. LIGHT RAIN OR DRIZZLE WILL GRADUALLY CHANGE TO SNOW FROM NORTHWEST TO SOUTHEAST LATE THIS AFTERNOON. AFTER THE CHANGE TO SNOW...EXPECT A 2 TO 3 HOUR PERIOD OF MODERATE TO LOCALLY HEAVY SNOW WITH SNOWFALL RATES AROUND 1 INCH PER HOUR POSSIBLE. TOTAL SNOW ACCUMULATIONS OF 3 TO 5 INCHES WITH LOCALLY HIGHER AMOUNTS ARE EXPECTED BY 9 PM. NORTH TO NORTHWEST WINDS WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS THIS EVENING AND CAUSE DRIFTING SNOW AND AREAS OF GROUND LEVEL BLOWING SNOW. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN...IN THIS CASE SNOW AND WIND...WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MOYER
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 Des Moines, IA wrote its last area forecast discussion before this winter storm warning went out at Feb 24, 5:38 PM CST, 6 hours 8 minutes earlier.
Area forecast discussion, Feb 24, 5:38 PM CST, 6 hours 8 minutes before
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE DES MOINES IA 538 PM CST SUN FEB 24 2008 ...UPDATED AVIATION DISCUSSION... .DISCUSSION... UPSTREAM SYSTEM GATHERING STRENGTH AHEAD OF PLEASANT WARM AFTERNOON. SUBJECTIVE MORNING ANALYSIS SHOWED HIGH PRESSURE EXITING THE AREA TO THE EAST WHILE LEE SIDE TROUGHING CONTINUES TO DEVELOP ALONG THE ROCKIES. AREA OF STRATUS AND HIGHER CLOUDS MOVING OVER THE STATE ATTM WITH CONTINUED HAZE. OVERNIGHT TONIGHT WILL SEE THE LEE TROUGH DEEPEN AS IT BEGINS TO DEVELOP INTO THE SOUTHERN PLAINS. AIR STAGNATION DROPPED FOR THE AFTERNOON/EVENING HOURS AS PER PREVIOUS CANCELLATION STATEMENT. MAIN FOCUS SHIFTS TO WINTER STORM EXPECTED FOR MONDAY THROUGH TUESDAY. AFTER CONSIDERING THE CONSISTENCY OF THE NAM/GFS PACKAGES THE PAST FEW RUNS WITH QPF AMTS CONTINUING TO RUN NEAR THREE QUARTERS OF AN INCH...HAVE ISSUED A WATCH. THOUGH SOME UNCERTAINTY REMAINS...DETAILS EMERGING FOR A HIGH IMPACT 12 HOUR EVENT. INITIALLY THE PTYPE WILL BE A MIX OR BRIEF ZR/RA BEFORE CHANGING OVER TO ALL WET SNOW. BOTH THE NAM/GFS INDICATE INCREASING FRONTOGENETICAL FORCING OVER NORTHWEST IA EARLY IN THE PERIOD MONDAY AS SATURATION AND STRONG DYNAMICS OVERCOMES THE WARM AND DRY LAYER FORCING THE LIQUID TO FROZEN PRECIP BY 18Z OVER MUCH OF OUR AREA. TRANSITION SOUTH AND EAST TAKES A BIT LONGER. MODELS IN DECENT AGREEMENT ABOUT THE RAPIDLY INCREASED FORCING DEVELOPING ON THE NOSE OF THE H850 LOW AS IT TRACKS JUST SOUTH OF THE STATE BY 12Z. AS THE LOW MOVES EAST...A PRONOUNCED UPPER LEVEL FRONT 600-750 MB DEVELOPS WITH STRONG QG FORCING ABOVE THE BOUNDARY. CROSS SECTIONS FROM NORTHWEST TO SOUTHEAST IOWA INDICATES NEARLY 20 MICROBARS OF LIFT IN THE DENDRITIC LAYER FROM JUST NORTH OF KDSM TO 20 MILES SE OF KFOD. THIS MAXIMUM FORCING LASTS ABOUT 2 TO 3 HOURS BEFORE TRACKING EAST. THUS...AM EXPECTING A SNOW BURST FOR ABOUT 2 TO 3 HOURS WITH SNOW RATES OF ONE TO TWO INCHES PER HOUR AT THE HEIGHT OF THE EVENT. AS A PRONOUNCED TROWAL ASSOCIATED WITH THE UPPER LEVEL FRONT IS ALSO INDICATED WITH THE INCREASING DEFORMATION AXIS. CURRENT 12Z GFS SHOWS THE NORTHERN EDGE OF THE TROWAL RUNNING FROM HEAR KADU TO KAMW TO KALO. COBB OUTPUT FROM THE GFS/NAM ARE GENERALLY SIMILAR THOUGH THE NAM CONTINUES ITS SLIGHTLY WARM BIAS. IMPRESSIVE TOTALS ON NOSE OF THERMAL AXIS AND JUST TO THE NORTH OF THE H850 LOW TRACK. CURRENTLY LOOKING AT A 20 TO 35 MILE WIDE BAND OF 6 TO 8 INCHES WITH HIGHER EMBEDDED TOTALS. CONSISTENCY OF MODELS HAS LED TO GREATER CONFIDENCE WITH WATCH OUTLINE WITH SOME CONCERNS FOR A MORE SOUTHERLY SHIFT. WITH COORDINATION TO EAST...HAVE ADDED 3 ADDITIONAL COUNTIES TO THE EAST OF MADISON CO AS THERE STILL IS A RISK OF FARTHER SOUTH TRACK DRIFT. MODELS HAVE BEEN CONSISTENT IN NOT COMPLETELY PHASING THE NORTHERN/SOUTHERN STREAM TROUGHS...SIMILAR TO THE PAST EVENT WHERE BLIZZARD CONDITIONS WERE NOT MET. THUS...FEEL WITH COLD AIR ARRIVAL DELAYED BY 6 TO 12 HOURS BEHIND THE PARTING SHORT WAVE...INCREASING WINDS WILL ARRIVE AFTER BULK OF SNOW HAS FALLEN. NOT TO DOWNPLAY THE POTENTIAL TRAVEL ISSUES...BUT NOT LIKELY TO SEE QUARTER MILE VSBYS DURING THE EVENT. ONCE TEMPS DROP INTO THE 20S AND WIND INCREASES AFT 06Z HAVE ADDED AREAS BLOWING SNOW TO FCST THRU 18Z TUES. ADDITIONAL ADV MAY BE NEEDED TO COVER ONGOING WX FROM 12-18Z TUES. REST OF WEEK GIVEN MASSAGE TO CONCENTRATE ON CURRENT EVENT. OVERALL...NO MAJOR CHANGES WITH WARM UP ON WEEKEND AND MINOR SYSTEM LATE THURS. FOG/ST MAY AGAIN COME TO PASS WITH NEWLY EXPECTED SNOWFALL. && .AVIATION...25/00Z NUMEROUS POTENTIAL AVIATION HAZARDS DURING THE TAF PERIOD. ALL LOCATIONS PUSHED ABOVE FREEZING THIS AFTERNOON LEADING TO SNOW MELT AND INCREASED MOISTURE IN THE LOW LEVELS. THIS WILL FURTHER AGGRAVATE VISIBILITIES ESPECIALLY OVER THE NORTHEAST THIS EVENING WHERE BAND OF STRATUS MAY CLEAR FOR A PERIOD AND WINDS BECOME LIGHT. ONCE AGAIN IFR VISIBILITIES ARE LIKELY IN THE MCW AND ALO AREAS POSSIBLY FALLING TO LIFR FOR A PERIOD. A STORM SYSTEM MOVES INTO THE AREA LATE TONIGHT AND INTO MONDAY WITH RAIN CHANGING TO SNOW THROUGH THE DAY. A PERIOD OF MODERATE TO HEAVY PRECIPITATION IS POSSIBLE FROM LATE MORNING INTO THE AFTERNOON FROM DSM TO ALO. RAIN WILL LINGER LONGER AT OTM WITH LIGHT TO MODERATE SNOW AT FOD AND MCW. && .DMX WATCHES/WARNINGS/ADVISORIES... WINTER STORM WATCH MONDAY AND MONDAY NIGHT FOR PORTIONS OF WEST CENTRAL...CENTRAL AND NORTHEAST IOWA CERRO GORDO-WRIGHT-FRANKLIN-BUTLER-BREMER-CALHOUN-WEBSTER-HAMILTON- HARDIN-GRUNDY-BLACK HAWK-CARROLL-GREENE-BOONE-STORY-MARSHALL- TAMA-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR- MADISON-WARREN-MARION-MAHASKA && AVIATION...DONAVON SHORT TERM/LONG TERM...BSS/REV
Hazardous weather outlook, Feb 24, 3:26 PM CST, 8 hours 20 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DES MOINES IA 326 PM CST SUN FEB 24 2008 IAZ017-025>028-034>039-045>050-057>062-070>075-252130- CERRO GORDO-WRIGHT-FRANKLIN-BUTLER-BREMER-CALHOUN-WEBSTER- HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CARROLL-GREENE-BOONE-STORY- MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK-CASS- ADAIR-MADISON-WARREN-MARION-MAHASKA- 326 PM CST SUN FEB 24 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY A STRONG WINTER STORM IS FORECAST TO LIFT OUT OF THE SOUTHERN PLAINS AND AFFECT CENTRAL IOWA FROM MONDAY MORNING THROUGH EARLY TUESDAY. THE HEAVIEST PRECIPITATION IS EXPECTED TO FALL LATE MONDAY MORNING THROUGH MONDAY EVENING. AT THIS TIME...A MIXTURE OF SNOW AND RAIN IS EXPECTED BY EARLY MONDAY ACROSS NORTHERN AND WESTERN IOWA THEN CHANGE TO SNOW FROM NORTHWEST TO SOUTHEAST ACROSS CENTRAL IOWA DURING MORNING HOURS. MODERATE TO HEAVY SNOW ACCUMULATIONS ARE POSSIBLE ALONG AND NORTH OF INTERSTATE 80 BY MONDAY EVENING. A BAND OF 6 TO 8 INCHES OF SNOW IS EXPECTED ALONG AN AUDUBON TO AMES TO NEAR WATERLOO AXIS. SOME ISOLATED HIGHER TOTALS ARE POSSIBLE WITHIN THIS BAND. IN ADDITION...A STRONG NORTHWEST WIND WILL DEVELOP BY EARLY MONDAY EVENING PRODUCING CONSIDERABLE BLOWING AND DRIFTING SNOW BY LATE EVENING AND OVERNIGHT. THE BLOWING AND DRIFTING SNOW WILL PERSIST THROUGH TUESDAY MORNING. A WINTER STORM WATCH HAS BEEN ISSUED FOR THE AREA. PLEASE REFER TO THE NATIONAL WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES FOR FURTHER DETAILS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED BUT SNOWFALL REPORTS AND REPORTS OF DRIFTING SNOW AND REDUCED VISIBILITIES ARE ALWAYS APPRECIATED. IAZ004>007-015-016-023-024-033-044-252130- EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-POCAHONTAS- HUMBOLDT-SAC-CRAWFORD- 326 PM CST SUN FEB 24 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY AN STRONG WINTER STORM IS FORECAST TO LIFT OUT OF THE SOUTHERN PLAINS AND AFFECT IOWA FROM MONDAY MORNING THROUGH EARLY TUESDAY. THE STORM IS EXPECTED TO BRING SNOWFALL AMOUNTS OF 2 TO 5 INCHES TO THE OUTLOOK AREA MONDAY. BY MONDAY EVENING...NORTHWEST WINDS WILL DEVELOP CAUSING BLOWING AND DRIFTING SNOW. THE BLOWING AND DRIFTING SNOW WILL PERSIST THROUGH TUESDAY MORNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED BUT SNOWFALL REPORTS AND REPORTS OF DRIFTING SNOW AND REDUCED VISIBILITIES ARE ALWAYS APPRECIATED. IAZ081>086-092>097-252130- ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR- WAYNE-APPANOOSE-DAVIS- 326 PM CST SUN FEB 24 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA. .DAY ONE...THIS AFTERNOON AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY AN STRONG WINTER STORM IS FORECAST TO LIFT OUT OF THE SOUTHERN PLAINS AND AFFECT IOWA FROM MONDAY MORNING THROUGH EARLY TUESDAY. RAIN WILL DEVELOP...LATER MIXING WITH SNOW BEFORE CHANGING TO ALL SNOW BY LATE MORNING OR AFTERNOON. LIGHT ACCUMULATIONS OF A DUSTING TO SEVERAL INCHES OF SNOW ARE ANTICIPATED BY LATE MONDAY AFTERNOON. BY MONDAY EVENING...NORTHWEST WINDS WILL DEVELOP CAUSING MINOR BLOWING SNOW. THE BLOWING SNOW MAY PERSIST THROUGH TUESDAY MORNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED BUT SNOWFALL REPORTS AND REPORTS OF BLOWING SNOW AND REDUCED VISIBILITIES ARE ALWAYS APPRECIATED. REV
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 11:39 PM CST | Dense Fog Advisory | DMX | Bremer, Butler, Cerro Gordo, Emmet, Franklin, Hancock and 7 more | 9 hr |
| Feb 24, 11:46 PM CST | Winter Weather Advisory | DMX | Adair, Appanoose, Audubon, Black Hawk, Boone, Bremer and 34 more | 24 hr |
Nearby
Winter Storm Warnings in Iowa, 2008Every winter storm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.