Alert archive / Iowa / Winter Storm Warnings in 2014
Winter Storm Warning 2, NWS Des Moines, IA
NWS Des Moines, IA issued this winter storm warning at Feb 19, 2014, 3:43 PM CST for 8 counties in Iowa. It took effect at Feb 20, 2014, 9:00 AM CST. It was in force for . 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 19, 2014, 3:43 PM CST (21:43 UTC)
- In effect from
- Feb 20, 2014, 9:00 AM CST
- Expired
- Feb 20, 2014, 4:42 AM CST
- In force
- Issued by
- NWS Des Moines, IA
Counties Carroll County, IA, Crawford County, IA, Dallas County, IA, Guthrie County, IA, Jasper County, IA, Polk County, IA, Sac County, IA, Tama County, IA
The radar
The Des Moines radar (KDMX), 39 km from the middle of the area, began a volume at 21:40 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
Omaha, NE (KOAX), launched 12:00Z, 9.7 hours before the alert went out and 197 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
- 1851 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- -50 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
071 WWUS43 KDMX 192143 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 343 PM CST WED FEB 19 2014 ...BLIZZARD CONDITIONS TO AFFECT CENTRAL TO NORTHERN IOWA THURSDAY... .LOW PRESSURE FROM SOUTHWEST KANSAS WILL INTENSIFY AS IT MOVES TO NORTHWEST ILLINOIS BY THURSDAY EVENING AND TO LAKE SUPERIOR THURSDAY NIGHT. RAIN IS EXPECTED TO OVERSPREAD THE AREA TONIGHT INTO EARLY THURSDAY MORNING...BEFORE TRANSITIONING TO A WINTRY MIX ACROSS PORTIONS OF NORTHERN IOWA TOWARDS SUNRISE THURSDAY... AND OVER THE REST OF THE AREA BY MID DAY. MODERATE TO HEAVY SNOWFALL FOLLOWED BY STRONG AND GUSTY NORTHWEST WINDS WILL PRODUCE BLIZZARD CONDITIONS THURSDAY AFTERNOON INTO THURSDAY NIGHT. IAZ033-044-045-050-058>061-200545- /O.UPG.KDMX.BZ.A.0002.140220T1500Z-140221T1200Z/ /O.NEW.KDMX.WS.W.0002.140220T1500Z-140221T1200Z/ SAC-CRAWFORD-CARROLL-TAMA-GUTHRIE-DALLAS-POLK-JASPER- INCLUDING THE CITIES OF...SAC CITY...LAKE VIEW...ODEBOLT... WALL LAKE...SCHALLER...EARLY...DENISON...CARROLL...TAMA... TOLEDO...TRAER...DYSART...GLADBROOK...GUTHRIE CENTER...PANORA... BAYARD...CASEY...PERRY...WAUKEE...ADEL...DES MOINES...NEWTON 343 PM CST WED FEB 19 2014 ...WINTER STORM WARNING IN EFFECT FROM 9 AM THURSDAY TO 6 AM CST FRIDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND SIGNIFICANT BLOWING SNOW...WHICH IS IN EFFECT FROM 9 AM THURSDAY TO 6 AM CST FRIDAY. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. * TIMING...A WINTRY MIX IS EXPECTED TO DEVELOP OVERNIGHT TONIGHT AND TRANSITION TO SNOW THURSDAY DURING THE MID TO LATE MORNING. THE SNOW MAY BECOME HEAVY AT TIMES DURING THE DAY THURSDAY. STRONG NORTHWEST WINDS ARE FORECAST TO DEVELOP THURSDAY AFTERNOON AND PERSIST INTO THE EVENING HOURS... POTENTIALLY CREATING BLIZZARD CONDITIONS AT TIMES. WITH LITTLE TO NO SNOW CURRENTLY ON THE GROUND...THE CHANCE FOR WIDESPREAD BLIZZARD CONDITIONS IS LOW. * STORM TOTAL SNOW/ICE ACCUMULATIONS...3 TO 5 INCHES OF SNOW IS EXPECTED. MINOR ICE AND SLEET ACCUMULATIONS MAY ALSO OCCUR. * WINDS/VISIBILITY...WINDS WILL SHIFT NORTHWEST AND QUICKLY STRENGTHEN TO 25 TO 35 MPH WITH GUSTS TO NEAR 50 MPH POSSIBLE BY THURSDAY AFTERNOON AND EVENING. * IMPACTS...THE BAND OF WET AND HEAVY SNOW AND VERY STRONG WINDS MAY LEAD TO VERY LOW VISIBILITY AND AS WELL AS QUICKLY COVER ROADS MAKING TRAVEL HAZARDOUS TO NEARLY IMPOSSIBLE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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>017-023>028-034>039-046>049-200545- /O.CON.KDMX.BZ.W.0003.140220T1500Z-140221T1200Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-CALHOUN-WEBSTER- HAMILTON-HARDIN-GRUNDY-BLACK HAWK-GREENE-BOONE-STORY-MARSHALL- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...GARNER...BRITT... KANAWHA...MASON CITY...CLEAR LAKE...POCAHONTAS...LAURENS... ROLFE...FONDA...GILMORE CITY...HUMBOLDT...EAGLE GROVE...CLARION... BELMOND...HAMPTON...PARKERSBURG...CLARKSVILLE...SHELL ROCK... GREENE...APLINGTON...ALLISON...DUMONT...WAVERLY...ROCKWELL CITY... MANSON...LAKE CITY...POMEROY...FORT DODGE...WEBSTER CITY... IOWA FALLS...ELDORA...ACKLEY...GRUNDY CENTER...REINBECK... CONRAD...DIKE...WELLSBURG...WATERLOO...CEDAR FALLS...JEFFERSON... BOONE...AMES...MARSHALLTOWN 343 PM CST WED FEB 19 2014 ...BLIZZARD WARNING REMAINS IN EFFECT FROM 9 AM THURSDAY TO 6 AM CST FRIDAY... * TIMING...A WINTRY MIX OF SLEET AND SNOW WILL DEVELOP DURING THE OVERNIGHT HOURS TONIGHT ACROSS FAR NORTHERN IOWA... GENERALLY ALONG AND NORTH OF HIGHWAY 18. FURTHER SOUTH...RAIN WILL BE COMMON UNTIL AFTER SUNRISE THURSDAY. THEN THE PRECIPITATION IS FORECAST TO TRANSITION TO ALL SNOW MID TO LATE THURSDAY MORNING. MODERATE TO HEAVY WET SNOW WILL FALL THROUGH THE LATE MORNING INTO THURSDAY AFTERNOON. THUNDERSNOW IS POSSIBLE THURSDAY THROUGH MID DAY AND COULD PRODUCE SNOWFALL RATES OF 2 INCHES PER HOUR AT TIMES. THE VERY STRONG NORTHWEST WINDS DEVELOP IN THE AFTERNOON THURSDAY AND WILL CREATE WIDESPREAD BLIZZARD CONDITIONS INTO THURSDAY NIGHT. * STORM TOTAL SNOW/ICE ACCUMULATIONS...A WIDESPREAD BAND OF 5 TO 9 INCHES OF SNOW IS ANTICIPATED. HIGHER AMOUNTS ARE POSSIBLE... ESPECIALLY IF THUNDERSNOW DEVELOPS. SOME MINOR SLEET AMOUNTS ARE FORECAST THURSDAY MORNING GENERALLY BETWEEN THE HIGHWAY 3 AND HIGHWAY 30 CORRIDORS. * WINDS/VISIBILITY...WINDS ARE EXPECTED TO SHIFT NORTHWEST LATE THURSDAY MORNING AND QUICKLY STRENGTHEN DURING THE AFTERNOON HOURS TO 25 TO 35 MPH WITH GUSTS TO NEAR 50 MPH. THE VERY STRONG NORTHWEST WINDS WILL LEAD TO NEAR WHITEOUT CONDITIONS AT TIMES THROUGH THURSDAY NIGHT. * IMPACTS...THE BAND OF WET AND HEAVY SNOW WILL STICK TO TREES AND POWERLINES POTENTIALLY CAUSING DAMAGE ONCE WINDS INCREASE. VERY LOW VISIBILITY AND INTENSE SNOWFALL RATES ARE LIKELY TO QUICKLY COVER ROADS AND MAKE TRAVEL HAZARDOUS TO NEARLY IMPOSSIBLE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$ IAZ057-062-071>074-200545- /O.UPG.KDMX.BZ.A.0002.140220T1500Z-140221T1200Z/ /O.NEW.KDMX.WW.Y.0013.140220T1500Z-140221T1200Z/ AUDUBON-POWESHIEK-ADAIR-MADISON-WARREN-MARION- INCLUDING THE CITIES OF...AUDUBON...EXIRA...GRINNELL... GREENFIELD...STUART...ADAIR...FONTANELLE...WINTERSET...EARLHAM... INDIANOLA...NORWALK...CARLISLE...PELLA...KNOXVILLE 343 PM CST WED FEB 19 2014 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 AM THURSDAY TO 6 AM CST FRIDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 9 AM THURSDAY TO 6 AM CST FRIDAY. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. * TIMING...A WINTRY MIX IS EXPECTED TO DEVELOP OVERNIGHT TONIGHT AND TRANSITION TO SNOW THURSDAY DURING THE MID TO LATE MORNING. THE SNOW MAY BECOME HEAVY AT TIMES DURING THE DAY THURSDAY. STRONG NORTHWEST WINDS ARE FORECAST TO DEVELOP THURSDAY AFTERNOON AND PERSIST INTO THE EVENING HOURS... POTENTIALLY CREATING BLIZZARD CONDITIONS. HOWEVER...WITH THE LOWER SNOW AMOUNTS AND LITTLE TO NO SNOW CURRENTLY ON THE GROUND... CONFIDENCE IS FOR WIDESPREAD BLIZZARD CONDITIONS IS LOW. * STORM TOTAL SNOW/ICE ACCUMULATIONS...2 TO 4 INCHES OF SNOW IS EXPECTED. MINOR ICE AND SLEET ACCUMULATIONS MAY ALSO OCCUR. * WINDS/VISIBILITY...WINDS WILL SHIFT NORTHWEST AND QUICKLY STRENGTHEN TO 25 TO 35 MPH WITH GUSTS TO NEAR 50 MPH POSSIBLE BY THURSDAY AFTERNOON AND EVENING. * IMPACTS...THE BAND OF WET AND HEAVY SNOW AND VERY STRONG WINDS MAY LEAD TO VERY LOW VISIBILITY AND AS WELL AS QUICKLY COVER ROADS MAKING TRAVEL HAZARDOUS TO NEARLY IMPOSSIBLE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ IAZ070-200545- /O.NEW.KDMX.WW.Y.0013.140220T1500Z-140221T1200Z/ CASS- INCLUDING THE CITY OF...ATLANTIC 343 PM CST WED FEB 19 2014 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 AM THURSDAY TO 6 AM CST FRIDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 9 AM THURSDAY TO 6 AM CST FRIDAY. * TIMING...A WINTRY MIX IS EXPECTED TO DEVELOP OVERNIGHT TONIGHT AND TRANSITION TO SNOW THURSDAY DURING THE EARLY TO MID MORNING. THE SNOW MAY BECOME HEAVY AT TIMES DURING THE DAY THURSDAY. STRONG NORTHWEST WINDS ARE FORECAST TO DEVELOP THURSDAY AFTERNOON AND PERSIST INTO THE EVENING HOURS... POTENTIALLY CREATING BLIZZARD CONDITIONS. HOWEVER...WITH THE LOWER SNOW AMOUNTS AND LITTLE TO NO SNOW CURRENTLY ON THE GROUND... CONFIDENCE IS FOR WIDESPREAD BLIZZARD CONDITIONS IS LOW. * STORM TOTAL SNOW/ICE ACCUMULATIONS...2 TO 4 INCHES OF SNOW IS EXPECTED. MINOR ICE AND SLEET ACCUMULATIONS MAY ALSO OCCUR. * WINDS/VISIBILITY...WINDS WILL SHIFT NORTHWEST AND QUICKLY STRENGTHEN TO 25 TO 35 MPH WITH GUSTS TO NEAR 50 MPH POSSIBLE BY THURSDAY AFTERNOON AND EVENING. * IMPACTS...THE BAND OF WET AND HEAVY SNOW AND VERY STRONG WINDS MAY LEAD TO VERY LOW VISIBILITY AND AS WELL AS QUICKLY COVER ROADS MAKING TRAVEL HAZARDOUS TO NEARLY IMPOSSIBLE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
2 follow-up statements
031 WWUS43 KDMX 200344 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 944 PM CST WED FEB 19 2014 ...BLIZZARD CONDITIONS TO AFFECT CENTRAL TO NORTHERN IOWA THURSDAY... .LOW PRESSURE WILL INTENSIFY AS IT MOVES FROM KANSAS INTO WISCONSIN ON THURSDAY. RAIN IS EXPECTED TONIGHT TRANSITIONING TO SNOW FROM WEST TO EAST ON THURSDAY. MODERATE TO HEAVY SNOWFALL AMOUNTS ARE EXPECTED ALONG WITH STRONG WINDS BY AFTERNOON PRODUCING POOR VISIBILITIES AND BLIZZARD CONDITIONS. IAZ004>007-015>017-023>028-034>039-046>049-201145- /O.CON.KDMX.BZ.W.0003.140220T1500Z-140221T1200Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-CALHOUN-WEBSTER- HAMILTON-HARDIN-GRUNDY-BLACK HAWK-GREENE-BOONE-STORY-MARSHALL- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...GARNER...BRITT... KANAWHA...MASON CITY...CLEAR LAKE...POCAHONTAS...LAURENS... ROLFE...FONDA...GILMORE CITY...HUMBOLDT...EAGLE GROVE...CLARION... BELMOND...HAMPTON...PARKERSBURG...CLARKSVILLE...SHELL ROCK... GREENE...APLINGTON...ALLISON...DUMONT...WAVERLY...ROCKWELL CITY... MANSON...LAKE CITY...POMEROY...FORT DODGE...WEBSTER CITY... IOWA FALLS...ELDORA...ACKLEY...GRUNDY CENTER...REINBECK... CONRAD...DIKE...WELLSBURG...WATERLOO...CEDAR FALLS...JEFFERSON... BOONE...AMES...MARSHALLTOWN 944 PM CST WED FEB 19 2014 ...BLIZZARD WARNING REMAINS IN EFFECT FROM 9 AM THURSDAY TO 6 AM CST FRIDAY... * TIMING...RAIN WILL OVERSPREAD MUCH OF CENTRAL IOWA TONIGHT... MIXED AT TIMES WITH SLEET AND EVEN SOME SNOW IN NORTHERN IOWA. ON THURSDAY...A TRANSITION FROM RAIN TO ALL SNOW WILL TAKE PLACE FROM WEST TO EAST AS COLDER AIR WORKS INTO THE STATE. BY AFTERNOON...PERIODS OF HEAVY SNOW ARE EXPECTED ACROSS MUCH OF THE WARNING AREA WITH SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR. SOME THUNDERSNOW IS ALSO EXPECTED WHICH MAY ENHANCE RATES EVEN MORE. THE SNOW IS EXPECTED TO END BY THURSDAY EVENING AS THE SYSTEM PULLS AWAY. * STORM TOTAL SNOW/ICE ACCUMULATIONS...A WIDESPREAD BAND OF 5 TO 10 INCHES OF SNOW IS ANTICIPATED. ISOLATED HIGHER AMOUNTS WILL BE POSSIBLE IN AREAS THAT SEE ENHANCED RATES DUE TO THUNDERSNOW. * WINDS/VISIBILITY...WINDS WILL BECOME NORTHWEST ON THURSDAY AND INCREASE INTO THE AFTERNOON. SUSTAINED WINDS OF 25 TO 30 MPH ARE LIKELY ALONG WITH GUSTS OF 45 TO 50 MPH. THIS WILL PRODUCE WHITEOUT CONDITIONS...ESPECIALLY IN RURAL AREA WITH LIFE- THREATENING BLIZZARD CONDITIONS. * IMPACTS...THE BAND OF WET AND HEAVY SNOW WILL STICK TO TREES AND POWERLINES POTENTIALLY CAUSING DAMAGE ONCE WINDS INCREASE. VERY LOW VISIBILITY AND INTENSE SNOWFALL RATES ARE LIKELY TO QUICKLY COVER ROADS AND MAKE TRAVEL HAZARDOUS TO IMPOSSIBLE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$ IAZ033-044-045-050-058>061-201145- /O.CON.KDMX.WS.W.0002.140220T1500Z-140221T1200Z/ SAC-CRAWFORD-CARROLL-TAMA-GUTHRIE-DALLAS-POLK-JASPER- INCLUDING THE CITIES OF...SAC CITY...LAKE VIEW...ODEBOLT... WALL LAKE...SCHALLER...EARLY...DENISON...CARROLL...TAMA... TOLEDO...TRAER...DYSART...GLADBROOK...GUTHRIE CENTER...PANORA... BAYARD...CASEY...PERRY...WAUKEE...ADEL...DES MOINES...NEWTON 944 PM CST WED FEB 19 2014 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 AM THURSDAY TO 6 AM CST FRIDAY... * TIMING...RAIN WILL OVERSPREAD THE AREA TONIGHT...MIXED AT TIMES WITH SLEET. ON THURSDAY...A TRANSITION FROM RAIN TO ALL SNOW WILL TAKE PLACE FROM WEST TO EAST AS COLDER AIR WORKS INTO THE STATE. BY AFTERNOON...PERIODS OF HEAVY SNOW ARE EXPECTED ACROSS MUCH OF THE WARNING AREA WITH SNOWFALL RATES OF UP TO AN INCH PER HOUR. SOME THUNDERSNOW IS ALSO EXPECTED WHICH MAY ENHANCE RATES EVEN MORE. THE SNOW IS EXPECTED TO END BY THURSDAY EVENING AS THE SYSTEM PULLS AWAY. * STORM TOTAL SNOW/ICE ACCUMULATIONS...3 TO 6 INCHES OF SNOW IS EXPECTED WITH ISOLATED HIGHER AMOUNTS. * WINDS/VISIBILITY...WINDS WILL BECOME NORTHWEST ON THURSDAY AND INCREASE BY AFTERNOON. SUSTAINED WINDS OF 20 TO 25 MPH WITH HIGHER GUSTS ARE EXPECTED THROUGH THE AFTERNOON. NEAR WHITEOUT CONDITIONS ARE EXPECTED BY AFTERNOON WITH NEAR BLIZZARD CONDITIONS AT TIMES. * IMPACTS...THE BAND OF WET AND HEAVY SNOW AND VERY STRONG WINDS MAY LEAD TO VERY LOW VISIBILITY AS WELL AS QUICKLY COVER ROADS MAKING TRAVEL HAZARDOUS TO NEARLY IMPOSSIBLE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ IAZ081>084-092>094-201145- /O.EXA.KDMX.WW.Y.0013.140220T1500Z-140221T1200Z/ ADAMS-UNION-CLARKE-LUCAS-TAYLOR-RINGGOLD-DECATUR- INCLUDING THE CITIES OF...CORNING...CRESTON...OSCEOLA... CHARITON...BEDFORD...LENOX...NEW MARKET...MOUNT AYR...LAMONI... LEON 944 PM CST WED FEB 19 2014 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 AM THURSDAY TO 6 AM CST FRIDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 9 AM THURSDAY TO 6 AM CST FRIDAY. * TIMING...RAIN WILL OVERSPREAD THE AREA TONIGHT...MIXED AT TIMES WITH SLEET. ON THURSDAY...A TRANSITION FROM RAIN TO ALL SNOW WILL TAKE PLACE FROM WEST TO EAST AS COLDER AIR WORKS INTO THE STATE. BY MIDDAY...PERIODS OF SNOW ARE EXPECTED ACROSS MUCH OF THE AREA BEFORE TAPERING OFF BY LATE AFTERNOON. * STORM TOTAL SNOW/ICE ACCUMULATIONS...2 TO 5 INCHES OF SNOW IS EXPECTED. * WINDS/VISIBILITY...WINDS WILL SHIFT NORTHWEST AND QUICKLY STRENGTHEN TO 20 TO 25 MPH WITH HIGHER GUSTS BY THURSDAY AFTERNOON. THIS WILL PRODUCE BLOWING SNOW WITH VISIBILITIES OF ONE HALF MILE AT TIMES...ESPECIALLY IN THE AFTERNOON INTO THE EVENING. * IMPACTS...THE BAND OF WET AND HEAVY SNOW AND VERY STRONG WINDS MAY LEAD TO LOW VISIBILITY AS WELL AS QUICKLY COVER ROADS MAKING TRAVEL HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ IAZ057-062-070>074-201145- /O.CON.KDMX.WW.Y.0013.140220T1500Z-140221T1200Z/ AUDUBON-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION- INCLUDING THE CITIES OF...AUDUBON...EXIRA...GRINNELL...ATLANTIC... GREENFIELD...STUART...ADAIR...FONTANELLE...WINTERSET...EARLHAM... INDIANOLA...NORWALK...CARLISLE...PELLA...KNOXVILLE 944 PM CST WED FEB 19 2014 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 AM THURSDAY TO 6 AM CST FRIDAY... * TIMING...RAIN WILL OVERSPREAD THE AREA TONIGHT...MIXED AT TIMES WITH SLEET. ON THURSDAY...A TRANSITION FROM RAIN TO ALL SNOW WILL TAKE PLACE FROM WEST TO EAST AS COLDER AIR WORKS INTO THE STATE. BY MIDDAY...PERIODS OF SNOW ARE EXPECTED ACROSS MUCH OF THE AREA BEFORE TAPERING OFF BY LATE AFTERNOON. * STORM TOTAL SNOW/ICE ACCUMULATIONS...2 TO 5 INCHES OF SNOW IS EXPECTED. * WINDS/VISIBILITY...WINDS WILL SHIFT NORTHWEST AND QUICKLY STRENGTHEN TO 20 MPH WITH HIGHER GUSTS BY THURSDAY AFTERNOON AND EVENING. THIS WILL PRODUCE BLOWING SNOW WITH VISIBILITIES OF ONE HALF MILE AT TIMES...ESPECIALLY IN THE AFTERNOON INTO THE EVENING. * IMPACTS...THE BAND OF WET AND HEAVY SNOW AND VERY STRONG WINDS MAY LEAD TO LOW VISIBILITY AS WELL AS QUICKLY COVER ROADS MAKING TRAVEL HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
314 WWUS43 KDMX 201042 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 442 AM CST THU FEB 20 2014 ...SIGNIFICANT WINTER STORM AND BLIZZARD CONDITIONS TO IMPACT MUCH OF CENTRAL TO NORTHERN IOWA TODAY AND TONIGHT... .LOW PRESSURE WILL RAPIDLY INTENSIFY AS IT MOVES FROM KANSAS AND THROUGH FAR SOUTHEAST IOWA AND INTO WISCONSIN TODAY. RAIN WILL TRANSITION TO SNOW FROM WEST TO EAST. MODERATE TO HEAVY SNOWFALL AMOUNTS ARE EXPECTED ALONG WITH EXTREMELY STRONG WINDS BY AFTERNOON PRODUCING POOR VISIBILITIES AND BLIZZARD CONDITIONS. IAZ050-059>061-201845- /O.CAN.KDMX.WS.W.0002.140220T1500Z-140221T1200Z/ /O.EXB.KDMX.BZ.W.0003.140220T1800Z-140221T1500Z/ TAMA-DALLAS-POLK-JASPER- INCLUDING THE CITIES OF...TAMA...TOLEDO...TRAER...DYSART... GLADBROOK...PERRY...WAUKEE...ADEL...DES MOINES...NEWTON 442 AM CST THU FEB 20 2014 ...BLIZZARD WARNING IN EFFECT FROM NOON TODAY TO 9 AM CST FRIDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 9 AM CST FRIDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...RAIN WILL TRANSITION TO SNOW LATE THIS MORNING INTO THE EARLY AFTERNOON HOURS. A PERIOD OF THUNDERSNOW MAY OCCUR AND CREATE HEAVY SNOW RATES AND RAPIDLY DETERIORATING CONDITIONS. LIGHT WINDS THIS MORNING WILL INCREASE SIGNIFICANTLY THIS AFTERNOON. * STORM TOTAL SNOW ACCUMULATIONS...3 TO 6 INCHES OF SNOW IS EXPECTED WITH ISOLATED HIGHER AMOUNTS. * WINDS/VISIBILITY...WINDS WILL BECOME NORTHWEST ON TODAY AND INCREASE RAPIDLY BY AFTERNOON. SUSTAINED WINDS OF 25 TO 35 MPH WITH GUSTS IN EXCESS OF 55 MPH BY LATE AFTERNOON AND EARLY EVENING. THIS WILL PRODUCE WHITEOUT CONDITIONS...ESPECIALLY IN RURAL AREA WITH LIFE-THREATENING BLIZZARD CONDITIONS. * IMPACTS...THE BAND OF WET AND HEAVY SNOW AND VERY STRONG WINDS MAY LEAD TO VERY LOW VISIBILITY AS WELL AS QUICKLY COVER ROADS MAKING TRAVEL HAZARDOUS TO NEARLY IMPOSSIBLE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$ IAZ033-044-045-058-201845- /O.CAN.KDMX.WS.W.0002.140220T1500Z-140221T1200Z/ /O.EXA.KDMX.BZ.W.0003.140220T1500Z-140221T1200Z/ SAC-CRAWFORD-CARROLL-GUTHRIE- INCLUDING THE CITIES OF...SAC CITY...LAKE VIEW...ODEBOLT... WALL LAKE...SCHALLER...EARLY...DENISON...CARROLL... GUTHRIE CENTER...PANORA...BAYARD...CASEY 442 AM CST THU FEB 20 2014 ...BLIZZARD WARNING IN EFFECT FROM 9 AM THIS MORNING TO 6 AM CST FRIDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 6 AM CST FRIDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...RAIN WILL TRANSITION TO SNOW THIS MORNING. A PERIOD OF THUNDERSNOW MAY OCCUR AND CREATE HEAVY SNOW RATES AND RAPIDLY DETERIORATING CONDITIONS. LIGHT WINDS THIS MORNING WILL INCREASE SIGNIFICANTLY LATE THIS MORNING AND INTO THIS AFTERNOON. * STORM TOTAL SNOW/ICE ACCUMULATIONS...3 TO 7 INCHES OF SNOW IS EXPECTED WITH ISOLATED HIGHER AMOUNTS. * WINDS/VISIBILITY...WINDS WILL BECOME NORTHWEST ON TODAY AND INCREASE RAPIDLY BY LATE MORNING. SUSTAINED WINDS OF 25 TO 35 MPH WITH GUSTS IN EXCESS OF 55 MPH. THIS WILL PRODUCE WHITEOUT CONDITIONS...ESPECIALLY IN RURAL AREA WITH LIFE-THREATENING BLIZZARD CONDITIONS. * IMPACTS...THE BAND OF WET AND HEAVY SNOW AND VERY STRONG WINDS MAY LEAD TO VERY LOW VISIBILITY AS WELL AS QUICKLY COVER ROADS MAKING TRAVEL HAZARDOUS TO NEARLY IMPOSSIBLE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$ IAZ057-070-071-201845- /O.UPG.KDMX.WW.Y.0013.140220T1500Z-140221T1200Z/ /O.EXA.KDMX.BZ.W.0003.140220T1500Z-140221T1200Z/ AUDUBON-CASS-ADAIR- INCLUDING THE CITIES OF...AUDUBON...EXIRA...ATLANTIC... GREENFIELD...STUART...ADAIR...FONTANELLE 442 AM CST THU FEB 20 2014 ...BLIZZARD WARNING IN EFFECT FROM 9 AM THIS MORNING TO 6 AM CST FRIDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 6 AM CST FRIDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...RAIN WILL TRANSITION TO SNOW THIS MORNING. A PERIOD OF THUNDERSNOW MAY OCCUR AND CREATE HEAVY SNOW RATES AND RAPIDLY DETERIORATING CONDITIONS. LIGHT WINDS THIS MORNING WILL INCREASE SIGNIFICANTLY LATE THIS MORNING AND INTO THIS AFTERNOON. * STORM TOTAL SNOW/ICE ACCUMULATIONS...3 TO 7 INCHES OF SNOW IS EXPECTED WITH ISOLATED HIGHER AMOUNTS. * WINDS/VISIBILITY...WINDS WILL BECOME NORTHWEST ON TODAY AND INCREASE RAPIDLY BY LATE MORNING. SUSTAINED WINDS OF 25 TO 35 MPH WITH GUSTS IN EXCESS OF 55 MPH. THIS WILL PRODUCE WHITEOUT CONDITIONS...ESPECIALLY IN RURAL AREA WITH LIFE-THREATENING BLIZZARD CONDITIONS. * IMPACTS...THE BAND OF WET AND HEAVY SNOW AND VERY STRONG WINDS MAY LEAD TO LOW VISIBILITY AS WELL AS QUICKLY COVER ROADS MAKING TRAVEL HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$ IAZ006-007-016-017-025>028-036>039-047>049-201845- /O.EXT.KDMX.BZ.W.0003.140220T1800Z-140221T1500Z/ WINNEBAGO-WORTH-HANCOCK-CERRO GORDO-WRIGHT-FRANKLIN-BUTLER-BREMER- HAMILTON-HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL- INCLUDING THE CITIES OF...FOREST CITY...LAKE MILLS...NORTHWOOD... MANLY...GARNER...BRITT...KANAWHA...MASON CITY...CLEAR LAKE... EAGLE GROVE...CLARION...BELMOND...HAMPTON...PARKERSBURG... CLARKSVILLE...SHELL ROCK...GREENE...APLINGTON...ALLISON... DUMONT...WAVERLY...WEBSTER CITY...IOWA FALLS...ELDORA...ACKLEY... GRUNDY CENTER...REINBECK...CONRAD...DIKE...WELLSBURG...WATERLOO... CEDAR FALLS...BOONE...AMES...MARSHALLTOWN 442 AM CST THU FEB 20 2014 ...BLIZZARD WARNING NOW IN EFFECT FROM NOON TODAY TO 9 AM CST FRIDAY... * TIMING...A WINTRY MIX OF PRECIPITATION IS POSSIBLE THIS MORNING BEFORE TRANSITION TO ALL SNOW THIS AFTERNOON. THE WATERLOO AREA MAY NOT TRANSITION UNTIL MID AFTERNOON. PERIODS OF HEAVY SNOW ARE EXPECTED ACROSS MUCH OF THE WARNING AREA WITH SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR. SOME THUNDERSNOW IS ALSO EXPECTED WHICH MAY ENHANCE RATES EVEN MORE. * STORM TOTAL SNOW/ICE ACCUMULATIONS...A WIDESPREAD BAND OF 5 TO 10 INCHES OF SNOW IS ANTICIPATED THOUGH LESSER AMOUNTS ON THE FAR SOUTHEAST EDGE ARE LIKELY. ISOLATED HIGHER AMOUNTS WILL BE POSSIBLE IN AREAS THAT SEE ENHANCED RATES DUE TO THUNDERSNOW. * WINDS/VISIBILITY...LIGHT EAST WINDS THIS MORNING WILL BECOME NORTHWEST AND INCREASE RAPIDLY THIS AFTERNOON. SUSTAINED WINDS OF 25 TO 35 MPH ARE LIKELY ALONG WITH GUSTS IN EXCESS OF 55 MPH POSSIBLE. THIS WILL PRODUCE WHITEOUT CONDITIONS...ESPECIALLY IN RURAL AREA WITH LIFE-THREATENING BLIZZARD CONDITIONS. * IMPACTS...THE BAND OF WET AND HEAVY SNOW WILL STICK TO TREES AND POWERLINES POTENTIALLY CAUSING DAMAGE ONCE WINDS INCREASE. VERY LOW VISIBILITY AND INTENSE SNOWFALL RATES ARE LIKELY TO QUICKLY COVER ROADS AND MAKE TRAVEL HAZARDOUS TO IMPOSSIBLE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$ IAZ004-005-015-023-024-034-035-046-201845- /O.CON.KDMX.BZ.W.0003.140220T1500Z-140221T1200Z/ EMMET-KOSSUTH-PALO ALTO-POCAHONTAS-HUMBOLDT-CALHOUN-WEBSTER- GREENE- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...EMMETSBURG... POCAHONTAS...LAURENS...ROLFE...FONDA...GILMORE CITY...HUMBOLDT... ROCKWELL CITY...MANSON...LAKE CITY...POMEROY...FORT DODGE... JEFFERSON 442 AM CST THU FEB 20 2014 ...BLIZZARD WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 6 AM CST FRIDAY... * TIMING...A WINTRY MIX OF PRECIPITATION IS POSSIBLE EARLY THIS MORNING BEFORE TRANSITION TO ALL SNOW. PERIODS OF HEAVY SNOW ARE EXPECTED ACROSS MUCH OF THE WARNING AREA WITH SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR. LOCAL THUNDERSNOW MAY OCCUR WHICH MAY ENHANCE RATES EVEN MORE. * STORM TOTAL SNOW/ICE ACCUMULATIONS...A WIDESPREAD BAND OF 4 TO 8 INCHES OF SNOW IS ANTICIPATED. ISOLATED HIGHER AMOUNTS WILL BE POSSIBLE IN AREAS THAT SEE ENHANCED RATES DUE TO THUNDERSNOW. * WINDS/VISIBILITY...LIGHT WINDS THIS MORNING WILL BECOME NORTHWEST BY LATE MORNING AND INTO THE AFTERNOON. SUSTAINED WINDS OF 25 TO 35 MPH ARE LIKELY ALONG WITH GUSTS OF 50 MPH. THIS WILL PRODUCE WHITEOUT CONDITIONS...ESPECIALLY IN RURAL AREA WITH LIFE-THREATENING BLIZZARD CONDITIONS. * IMPACTS...THE BAND OF WET AND HEAVY SNOW WILL STICK TO TREES AND POWERLINES POTENTIALLY CAUSING DAMAGE ONCE WINDS INCREASE. VERY LOW VISIBILITY AND INTENSE SNOWFALL RATES ARE LIKELY TO QUICKLY COVER ROADS AND MAKE TRAVEL HAZARDOUS TO IMPOSSIBLE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$ IAZ075-201845- /O.EXB.KDMX.WW.Y.0013.140220T1800Z-140221T1200Z/ MAHASKA- INCLUDING THE CITY OF...OSKALOOSA 442 AM CST THU FEB 20 2014 ...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 6 AM CST FRIDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM NOON TODAY TO 6 AM CST FRIDAY. * TIMING...RAIN WILL TRANSITION TO SNOW THIS AFTERNOON. A BRIEF PERIOD OF HEAVY SNOW LEADING TO RAPIDLY DETERIORATING CONDITIONS IS EXPECTED. * STORM TOTAL SNOW/ICE ACCUMULATIONS...2 TO 4 INCHES OF SNOW IS EXPECTED. * WINDS/VISIBILITY...WINDS WILL SHIFT NORTHWEST AND QUICKLY STRENGTHEN TO 25 TO 55 MPH WITH GUSTS IN EXCESS OF 50 MPH. THIS WILL PRODUCE BLOWING SNOW WITH VISIBILITIES OF ONE HALF MILE AT TIMES...ESPECIALLY IN THE AFTERNOON INTO THE EVENING. * IMPACTS...THE BAND OF WET AND HEAVY SNOW AND VERY STRONG WINDS MAY LEAD TO LOW VISIBILITY AS WELL AS QUICKLY COVER ROADS MAKING TRAVEL HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IAZ062-072>074-081>084-092>094-201845- /O.EXT.KDMX.WW.Y.0013.140220T1800Z-140221T1200Z/ POWESHIEK-MADISON-WARREN-MARION-ADAMS-UNION-CLARKE-LUCAS-TAYLOR- RINGGOLD-DECATUR- INCLUDING THE CITIES OF...GRINNELL...WINTERSET...EARLHAM... INDIANOLA...NORWALK...CARLISLE...PELLA...KNOXVILLE...CORNING... CRESTON...OSCEOLA...CHARITON...BEDFORD...LENOX...NEW MARKET... MOUNT AYR...LAMONI...LEON 442 AM CST THU FEB 20 2014 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM NOON TODAY TO 6 AM CST FRIDAY... * TIMING...RAIN WILL TRANSITION TO SNOW FROM WEST TO EAST THIS MORNING AND INTO THE EARLY AFTERNOON. A BRIEF PERIOD OF HEAVY SNOW LEADING TO RAPIDLY DETERIORATING CONDITIONS IS EXPECTED. * STORM TOTAL SNOW/ICE ACCUMULATIONS...2 TO 5 INCHES OF SNOW IS EXPECTED. * WINDS/VISIBILITY...WINDS WILL SHIFT NORTHWEST AND QUICKLY STRENGTHEN TO 25 TO 55 MPH WITH GUSTS IN EXCESS OF 50 MPH. THIS WILL PRODUCE BLOWING SNOW WITH VISIBILITIES OF ONE HALF MILE AT TIMES...ESPECIALLY IN THE AFTERNOON INTO THE EVENING. * IMPACTS...THE BAND OF WET AND HEAVY SNOW AND VERY STRONG WINDS MAY LEAD TO LOW VISIBILITY AS WELL AS QUICKLY COVER ROADS MAKING TRAVEL HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$
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 19, 3:37 PM CST, 6 minutes earlier.
Area forecast discussion, Feb 19, 3:37 PM CST, 6 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DES MOINES IA 337 PM CST WED FEB 19 2014 .SHORT TERM /TONIGHT/... ISSUED AT 259 PM CST WED FEB 19 2014 FORECAST CONCERNS OVERNIGHT REVOLVE AROUND PRECIPITATION AND PRECIPITATION TYPE AS MUCH ANTICIPATED LOW PRESSURE SYSTEM BEGINS TO AFFECT THE REGION. STRONG SURGE OF THETA-E ADVECTION WILL PUSH INTO SOUTHERN IOWA THROUGHOUT THE OVERNIGHT...BRINGING CHANCES FOR PRECIPITATION. INITIALLY THERE IS SOME LOW LEVEL DRY AIR TO OVERCOME...HOWEVER MOISTURE TRANSPORT WILL BE STRONG INTO THE REGION AND WILL QUICKLY SATURATE. GIVEN CURRENT ONGOING PRECIPITATION IN CENTRAL KS/MO FEEL HIGH RES MODELS HAVE A GOOD FEEL FOR PROGRESSION OF PRECIPITATION AND HAVE TRENDED TOWARDS HIGH RES MODELS FOR TIMING. NEXT CONCERN BECOMES HEAVY RAIN POTENTIAL. AMOUNT OF INSTABILITY AND PWAT VALUES REMAIN SEASONALLY SIGNIFICANT AND EXPECT THUNDERSTORMS ACROSS MUCH OF THE SOUTH WHICH COULD HELP TO PROMOTE HIGH RAINFALL RATES AT TIMES. GIVEN PWATS OF GENERALLY AROUND 0.75 INCHES...WHICH IS NEAR 75TH PERCENTILE FOR FEB...AND MAY BE HIGHER...COULD SEE HEAVY RAIN...AND HAVE INCLUDED MENTION IN FORECAST. SEE HYDROLOGY DISCUSSION FOR ADDITIONAL INFORMATION ON FLASH FLOOD AND ICE JAM POTENTIAL. NEXT FORECAST CHALLENGE IS PRECIPITATION TYPE...ESPECIALLY IN THE NORTH. FOR MAJORITY OF CWA PRECIPITATION WILL REMAIN RAIN THROUGH THE NIGHT...THOUGH SOUNDINGS INDICATE POTENTIAL FOR WINTRY MIX ACROSS NORTHERN IOWA...ESPECIALLY TOWARDS THE EARLY MORNING HOURS. SOUNDINGS ARE INDICATING FAIRLY GOOD SATURATION THROUGH COLUMN...WITH TEMPERATURES GENERALLY WITHIN A RANGE TO KEEP PRECIPITATION OF THE SAME TYPE...WHETHER RAIN OR SNOW. HOWEVER...BEFORE SATURATION OCCURS MAY SEE BRIEF PERIODS OF FREEZING RAIN POSSIBLE WITHOUT ICE INTRODUCTION BEFORE CHANGING. IN ADDITION...MAY SEE BRIEF PERIODS OF FREEZING RAIN OR SLEET AS CONDITIONS COOL. GIVEN GENERALLY HIGH CONFIDENCE IN PRECIPITATION REMAINING PRIMARILY RAIN OR SNOW OR RAIN/SNOW MIX WITH ONLY ISOLATED AND BRIEF PERIODS OF ANY WINTRY MIX EXPECTED HAVE OPTED TO NOT ISSUE ADDITIONAL HEADLINES ATTM BEFORE BLIZZARD WARNING TAKES EFFECT...THOUGH WILL NEED TO BE MONITORED. .LONG TERM /THURSDAY THROUGH WEDNESDAY/... ISSUED AT 259 PM CST WED FEB 19 2014 MODELS ARE COMING INTO AGREEMENT WITH THE EVOLUTION OF THE STORM SYSTEM. NAM WAS ACTUALLY THE ODD MODEL OUT THIS MORNING WITH ECMWF...GEM...RGEM...AND GFS PRETTY MUCH TOGETHER. THE 18Z NAM HAS ARRIVED AND OTHER THAN A SLIGHT EWD SHIFT IN THE SNOW BAND...IS CLOSE TO THE PACK NOW. WILL BEGIN THE SYSTEM AS MIXED RAIN AND SNOW WEST AND RAIN EAST WITH TRANSITION ADVANCING EAST AS DURING THE DAY. IT WILL BE TO THE I-35 CORRIDOR 16 TO 18Z AND ACROSS THE CWA BY MID TO LATE AFTERNOON. WINDS WILL BE THE ISSUE WITH THE SNOW. THOUGH 5 TO 9 INCH TOTALS ARE NOT EXTREME...WITH THE WINDS THE BLIZZARD WARNING IS SUPPORTED. SOUTH OF THE BLIZZARD WARNING HAVE ISSUED A WINTER STORM WARNING AND AN ADVISORY SOUTH OF THAT PROBLEM WITH THE STORM IS IT IS A SPRING STORM AND SURFACE TEMPERATURES WILL BE FREEZING OR A LITTLE ABOVE THROUGH THE EVENT IN MOST AREAS. THAT WILL LIMIT THE BLOWING POTENTIAL AND MAY KEEP VISIBILITY ABOVE A QUARTER MILE MUCH OF THE TIME. STILL...THERE WILL BE A PERIOD OF HEAVY SNOWFALL CLOSE TO THE CHANGE OVER LINE AND THAT ITSELF WILL TAKE VISIBILITY DOWN. THE REST OF THE FORECASTIS RELATIVELY QUITE. A WEAK SYSTEM PUSHES THROUGH ON MON ALONG THE ARCTIC FRONT AND WILL BRING A CHANCE OF LIGHT SNOW. AFTER THAT TEMPERATURES TANK WELL BELOW NORMAL FOR THE REST OF THE FORECAST. && .AVIATION...19/18Z ISSUED AT 1125 AM CST WED FEB 19 2014 CONDITIONS WILL REMAIN VFR THOUGH 00Z...WITH INCREASING LOW VFR CEILINGS AT SOUTHERN SITES KDSM/KOTM NEAR 06Z AHEAD OF APPROACHING LOW PRESSURE SYSTEM. LOW PRESSURE SYSTEM WILL BRING RA AND TS CHANCES TO SOUTHERN SITES OVERNIGHT...PUSHING FURTHER NORTH ALONG WITH MVFR CEILINGS AND VISIBILITIES. ANOTHER BAND OF PRECIP WILL PUSH EAST FROM NE LATE IN THE PERIOD...WITH RA CHANGING TO SN AT MOST SITES BY 18Z. WILL SEE VISIBILITIES AND CEILINGS REDUCED TO IFR OR LOWER AT TIMES AT SITES. WINDS WILL INCREASE BEYOND 18Z...WHICH WILL LEAD TO AREAS OF BLSN WHICH COULD CONTINUE TO CAUSE IFR OR LOWER VISIBILITIES AND CEILINGS. && .HYDROLOGY... ISSUED AT 259 PM CST WED FEB 19 2014 HYDRO-RELATED CONCERNS INVOLVE TWO ASPECTS...FIRST THE POTENTIAL FOR FLASH FLOODING...AND SECOND...THE POTENTIAL FOR RIVER ICE JAMS AND ASSOCIATED FLOODING. THE GEOGRAPHIC AREA OF CONCERN IS SOUTH OF I-80 AND EAST OF I-35 FOR BOTH ASPECTS. THE COMBINATION OF SEASONALLY MODERATE TO HEAVY RAINFALL ON THURSDAY ALONG WITH FROZEN GROUND MAY LEAD TO SIGNFICANT RUNOFF IN SOME LOCATIONS. THUS LOCALIZED FLOODING MAY RESULT. THE TIMING WOULD BE DURING THE DAY ON THURSDAY. AT THIS TIME THE CONFIDENCE IN FLASH FLOODING IS NOT HIGH ENOUGH TO WARRANT A FLASH FLOOD WATCH AT THIS TIME. NEVERTHELESS...SOME ISOLATED LOCATIONS MAY SEE PONDING OF WATER. THE SECOND ASPECT OF CONCERN IS POTENTIAL ICE JAM ACTIVITY AND POSSIBLE MINOR FLOODING ON STREAMS...AGAIN SOUTH OF I-80 AND EAST OF I-35. THE TIMING WOULD BE FROM MIDDAY THURSDAY INTO THURSDAY NIGHT. WE ALREADY SAW ICE JAM ACTIVITY IN THIS AREA ON WEDNESDAY EVENING...ALTHOUGH STREAM LEVELS REMAINED WELL WITHIN BANK. RUNOFF FROM THURSDAY/S RAINFALL WILL PUSH THE STREAM LEVELS HIGHER...WITH ICE JAMS POSSIBLY RESULTING IN LOCALLY HIGHER LEVELS. AS WITH THE FLASH FLOODING POTENTIAL...THE CONFIDENCE IN RIVER FLOODING OCCURRING IS NOT HIGH ENOUGH TO WARRANT A FLOOD WATCH AT THIS TIME. NEVERTHELESS...SOME LOCAL AREAS MAY SEE SIGNIFICANT WITHIN-BANK RISES AS WELL AS LOCALIZED FLOODING. IF FLOODING DID OCCUR...THE WORST CASE SCENARIO WOULD INVOLVE MINOR FLOODING. && .DMX WATCHES/WARNINGS/ADVISORIES... WINTER STORM WARNING FROM 9 AM THURSDAY TO 6 AM CST FRIDAY FOR CARROLL-CRAWFORD-DALLAS-GUTHRIE-JASPER-POLK-SAC-TAMA. WINTER WEATHER ADVISORY FROM 9 AM THURSDAY TO 6 AM CST FRIDAY FOR ADAIR-AUDUBON-CASS-MADISON-MARION-POWESHIEK-WARREN. BLIZZARD WARNING FROM 9 AM THURSDAY TO 6 AM CST FRIDAY FOR BLACK HAWK-BOONE-BREMER-BUTLER-CALHOUN-CERRO GORDO-EMMET-FRANKLIN- GREENE-GRUNDY-HAMILTON-HANCOCK-HARDIN-HUMBOLDT-KOSSUTH-MARSHALL- PALO ALTO-POCAHONTAS-STORY-WEBSTER-WINNEBAGO-WORTH-WRIGHT. && SHORT TERM...AWB LONG TERM...MS FEB 14 AVIATION...AWB HYDROLOGY...ZOGG
Hazardous weather outlook, Feb 19, 7:04 AM CST, 8 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DES MOINES IA 704 AM CST WED FEB 19 2014 IAZ004>007-015>017-023>028-034>039-046>049-201315- EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-CALHOUN-WEBSTER- HAMILTON-HARDIN-GRUNDY-BLACK HAWK-GREENE-BOONE-STORY-MARSHALL- 704 AM CST WED FEB 19 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA. .DAY ONE...TODAY AND TONIGHT A WINTRY MIX OF PRECIPITATION WILL BEGIN BY LATE TONIGHT WITH HAZARDOUS TRAVEL LIKELY. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY A BLIZZARD WARNING IS IN EFFECT FOR THE AREA THURSDAY AND THURSDAY NIGHT. PLEASE REFER TO THE NATIONAL WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES FOR FURTHER DETAILS. .SPOTTER INFORMATION STATEMENT... SPOTTER REPORTS FOR SNOWFALL AMOUNTS AND VISIBILITIES WOULD BE APPRECIATED FOR THURSDAY AND THURSDAY NIGHT. IAZ070-075-081>086-092>097-201315- CASS-MAHASKA-ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR- RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS- 704 AM CST WED FEB 19 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA. .DAY ONE...TODAY AND TONIGHT ISOLATED NON SEVERE THUNDERSTORMS ARE POSSIBLE TONIGHT AFTER MIDNIGHT. ICE JAMS ARE POSSIBLE ALONG AREA STREAMS AND RIVERS DUE TO THE SNOW MELT AND WARMER TEMPERATURES TODAY INTO TONIGHT. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY A SIGNIFICANT WINTER SYSTEM WILL IMPACT THE AREA THURSDAY AND THURSDAY NIGHT. ACCUMULATING SNOWFALL FOLLOWED BY STRONG NORTHWEST WINDS WITH GUSTS IN EXCESS OF 45 MPH...MAY PRODUCE A PERIOD OF SIGNIFICANT BLOWING SNOW ESPECIALLY WEST OF INTERSTATE 35. .SPOTTER INFORMATION STATEMENT... SPOTTER REPORTS FOR SNOWFALL AMOUNTS AND VISIBILITIES WOULD BE APPRECIATED FOR THURSDAY AND THURSDAY NIGHT. IAZ033-044-045-050-057>062-071>074-201315- SAC-CRAWFORD-CARROLL-TAMA-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER- POWESHIEK-ADAIR-MADISON-WARREN-MARION- 704 AM CST WED FEB 19 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA. .DAY ONE...TODAY AND TONIGHT ISOLATED NON SEVERE THUNDERSTORMS ARE POSSIBLE VERY LATE TONIGHT. ICE JAMS ARE POSSIBLE ALONG AREA STREAMS AND RIVERS DUE TO THE SNOW MELT AND WARMER TEMPERATURES. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY A BLIZZARD WATCH IS IN EFFECT FOR THE AREA THURSDAY AND THURSDAY NIGHT. PLEASE REFER TO THE NATIONAL WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES FOR FURTHER DETAILS. .SPOTTER INFORMATION STATEMENT... SPOTTER REPORTS FOR SNOWFALL AMOUNTS AND VISIBILITIES WOULD BE APPRECIATED FOR THURSDAY AND THURSDAY NIGHT.
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 19, 4:54 AM CST | Blizzard Warning | DMX | Adair, Audubon, Black Hawk, Boone, Bremer, Butler and 28 more | 49 hr |
| Feb 19, 3:43 PM CST | Winter Weather Advisory | DMX | Adair, Adams, Audubon, Black Hawk, Boone, Carroll and 24 more | 38 hr |
Nearby
Winter Storm Warnings in Iowa, 2014Every winter storm warning in 2014
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.