Alert archive / Iowa / Winter Storm Warnings in 2012
Winter Storm Warning 3, NWS Quad Cities, IA
NWS Quad Cities, IA issued this winter storm warning at Dec 18, 2012, 3:35 PM CST for 12 counties in Iowa; Jo Daviess County, Illinois. It took effect at Dec 19, 2012, 6:00 PM 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
- Dec 18, 2012, 3:35 PM CST (21:35 UTC)
- In effect from
- Dec 19, 2012, 6:00 PM CST
- Expired
- Dec 19, 2012, 4:09 AM CST
- In force
- Issued by
- NWS Quad Cities, IA
Counties Benton County, IA, Buchanan County, IA, Cedar County, IA, Delaware County, IA, Dubuque County, IA, Iowa County, IA, Jackson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Linn County, IA, Washington County, IA, Jo Daviess County, IL
The radar
The Quad Cities radar (KDVN), 81 km from the middle of the area, began a volume at 21:34 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
Davenport, (KDVN), launched 12:00Z, 9.6 hours before the alert went out and 87 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
- 599 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 176 m²/s²
- 0-3 km storm-relative helicity
- 342 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
991 WWUS43 KDVN 182135 WSWDVN URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 335 PM CST TUE DEC 18 2012 ...A MAJOR WINTER STORM TO IMPACT THE AREA WEDNESDAY NIGHT AND THURSDAY... .AN INTENSE WINTER STORM WILL MOVE ACROSS THE REGION WEDNESDAY NIGHT THROUGH THURSDAY...BRINGING THE POTENTIAL FOR HEAVY SNOW AND VERY STRONG WINDS. SNOWFALL TOTALS OF 6 TO 12 INCHES WILL BE POSSIBLE ACROSS MUCH OF EAST CENTRAL IOWA INTO NORTHWEST ILLINOIS WITH STRONG NORTHWEST WINDS. THIS WILL RESULT IN NEAR BLIZZARD CONDITIONS...ESPECIALLY DURING THE DAY THURSDAY. IAZ040>042-051>054-063>065-076-077-ILZ001-190745- /O.UPG.KDVN.WS.A.0004.121220T0000Z-121221T0000Z/ /O.NEW.KDVN.WS.W.0003.121220T0000Z-121221T0000Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON- CEDAR-KEOKUK-WASHINGTON-JO DAVIESS- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO... IOWA CITY...TIPTON...SIGOURNEY...WASHINGTON...GALENA 335 PM CST TUE DEC 18 2012 ...WINTER STORM WARNING IN EFFECT FROM 6 PM WEDNESDAY TO 6 PM CST THURSDAY... THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 6 PM WEDNESDAY TO 6 PM CST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...RAIN WILL CHANGE TO SNOW WEDNESDAY EVENING...WHICH WILL CONTINUE THROUGH LATE THURSDAY MORNING. SNOW WILL BE HEAVY AT TIMES...WITH SNOWFALL RATES OVER ONE INCH PER HOUR POSSIBLE. MEASURABLE SNOW ACCUMULATIONS ARE EXPECTED TO END THURSDAY AFTERNOON. * SNOWFALL...SNOWFALL TOTALS OF 8 TO 12 INCHES ARE POSSIBLE. STRONG WINDS WILL LEAD TO SNOWDRIFTS SEVERAL FEET DEEP. * WIND...NORTH WINDS WILL INCREASE TO 25 TO 30 MPH WEDNESDAY NIGHT WITH GUSTS UP TO 40 MPH POSSIBLE. THURSDAY...WINDS WILL BECOME NORTHWEST FROM 25 TO 35 MPH WITH SOME GUSTS AS HIGH AS 50 MPH POSSIBLE. * VISIBILITY...THE COMBINATION OF SNOW AND STRONG WINDS WILL RESULT IN BLOWING SNOW AND AREAS OF POOR VISIBILITY. VISIBILITIES MAY BE REDUCED TO BELOW A QUARTER OF A MILE AT TIMES IN OPEN AREAS. * TEMPERATURE/WIND CHILL...TEMPERATURES WILL FALL THROUGH THE 20S TO THE TEENS BY THURSDAY AFTERNOON. WIND CHILLS MAY BE AS LOW AS ZERO TOWARD EVENING. * IMPACTS...TRAVEL CONDITIONS ARE EXPECTED TO RAPIDLY DETERIORATE THURSDAY EVENING. DUE TO INITIAL WARM PAVEMENT TEMPERATURES... ROADWAYS MAY BECOME ICY. VERY STRONG WINDS AND ACCUMULATING SNOW MAY LEAD TO NEAR BLIZZARD CONDITIONS DURING THE DAY THURSDAY. TRAVEL CONDITIONS THURSDAY WILL BECOME DANGEROUS AND POTENTIALLY LIFE THREATENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS 6 TO 8 INCHES OR MORE OF SNOW COMBINED WITH STRONG WINDS IS EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY DANGEROUS OR IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER SURVIVAL KIT. && $$ IAZ066>068-078-087>089-098-099-ILZ002-007-009-015>018-024-025- MOZ009-010-190745- /O.CON.KDVN.WS.A.0004.121220T0000Z-121221T0000Z/ CLINTON-MUSCATINE-SCOTT-LOUISA-JEFFERSON-HENRY IA-DES MOINES- VAN BUREN-LEE-STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL- BUREAU-PUTNAM-MERCER-HENDERSON-SCOTLAND-CLARK- INCLUDING THE CITIES OF...CLINTON...MUSCATINE...BETTENDORF... DAVENPORT...WAPELLO...FAIRFIELD...MOUNT PLEASANT...BURLINGTON... KEOSAUQUA....FORT MADISON...FREEPORT...MOUNT CARROLL...STERLING... ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON... HENNEPIN...ALEDO...OQUAWKA...MEMPHIS...KAHOKA 335 PM CST TUE DEC 18 2012 ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY AFTERNOON... * TIMING...RAIN WILL MIX WITH SNOW...THAN CHANGE OVER TO ALL SNOW BY EARLY THURSDAY MORNING. SNOW WILL CONTINUE THROUGH MOST OF THURSDAY AFTERNOON. SNOW WILL BE HEAVY AT TIMES THURSDAY MORNING WITH SNOWFALL RATES OVER 1 INCH PER HOUR POSSIBLE. * SNOWFALL...SNOWFALL TOTALS OF 6 INCHES OR MORE ARE POSSIBLE. STRONG WINDS MAY RESULT IN MUCH DEEPER SNOW DRIFTS. * WIND...NORTH WINDS WILL INCREASE TO 20 TO 30 MPH WEDNESDAY NIGHT WITH GUSTS TO 40 MPH POSSIBLE. THURSDAY...NORTHWEST WINDS OF 25 TO 35 MPH ARE EXPECTED WITH GUSTS AS HIGH AS 50 MPH. * VISIBILITY...THE COMBINATION OF SNOW AND BLOWING SNOW MAY REDUCE VISIBILITIES TO BELOW A QUARTER OF A MILE AT TIMES...ESPECIALLY IN OPEN AREAS. * IMPACTS...TRAVEL CONDITIONS MAY DETERIORATE RAPIDLY ONCE RAIN CHANGES TO SNOW EARLY THURSDAY MORNING. DUE TO INITIAL WARM PAVEMENT TEMPERATURES...ROADWAYS MAY BECOME ICY. IN ADDITION...VERY STRONG WINDS AND ACCUMULATING SNOW MAY LEAD TO NEAR BLIZZARD CONDITIONS DURING THE DAY THURSDAY. TRAVEL CONDITIONS THURSDAY MAY BECOME DANGEROUS...ESPECIALLY IN RURAL AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...AND/OR ICE ACCUMULATIONS THAT WOULD SERIOUSLY IMPACT TRAVEL. MONITOR LATER FORECASTS FOR UPDATES. && $$ SHEETS
2 follow-up statements
880 WWUS43 KDVN 190225 WSWDVN URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 825 PM CST TUE DEC 18 2012 ...MAJOR WINTER STORM TO IMPACT THE AREA WEDNESDAY NIGHT AND THURSDAY... .AN INTENSE WINTER STORM WILL MOVE ACROSS THE REGION WEDNESDAY NIGHT THROUGH THURSDAY...BRINGING THE POTENTIAL FOR HEAVY SNOW AND VERY STRONG WINDS. SNOWFALL TOTALS OF 6 TO 12 INCHES WILL BE POSSIBLE ACROSS MUCH OF EAST CENTRAL IOWA INTO NORTHWEST ILLINOIS WITH STRONG NORTHWEST WINDS. THIS WILL RESULT IN NEAR BLIZZARD CONDITIONS...ESPECIALLY DURING THE DAY THURSDAY. IAZ040>042-051>054-063>065-076-077-ILZ001-191230- /O.CON.KDVN.WS.W.0003.121220T0000Z-121221T0000Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON- CEDAR-KEOKUK-WASHINGTON-JO DAVIESS- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO... IOWA CITY...TIPTON...SIGOURNEY...WASHINGTON...GALENA 825 PM CST TUE DEC 18 2012 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM WEDNESDAY TO 6 PM CST THURSDAY... * TIMING...RAIN WILL CHANGE TO SNOW WEDNESDAY EVENING...WHICH WILL CONTINUE THROUGH LATE THURSDAY MORNING. SNOW WILL BE HEAVY AT TIMES...WITH SNOWFALL RATES OVER ONE INCH PER HOUR POSSIBLE. MEASURABLE SNOW ACCUMULATIONS ARE EXPECTED TO END THURSDAY AFTERNOON. * SNOWFALL...SNOWFALL TOTALS OF 8 TO 12 INCHES ARE POSSIBLE. STRONG WINDS WILL LEAD TO SNOWDRIFTS SEVERAL FEET DEEP. * WIND...NORTH WINDS WILL INCREASE TO 25 TO 30 MPH WEDNESDAY NIGHT WITH GUSTS UP TO 40 MPH POSSIBLE. THURSDAY...WINDS WILL BECOME NORTHWEST FROM 25 TO 35 MPH WITH SOME GUSTS AS HIGH AS 50 MPH POSSIBLE. * VISIBILITY...THE COMBINATION OF SNOW AND STRONG WINDS WILL RESULT IN BLOWING SNOW AND AREAS OF POOR VISIBILITY. VISIBILITIES MAY BE REDUCED TO BELOW A QUARTER OF A MILE AT TIMES IN OPEN AREAS. * TEMPERATURE/WIND CHILL...TEMPERATURES WILL FALL THROUGH THE 20S TO THE TEENS BY THURSDAY AFTERNOON. WIND CHILLS MAY BE AS LOW AS ZERO TOWARD EVENING. * IMPACTS...TRAVEL CONDITIONS ARE EXPECTED TO RAPIDLY DETERIORATE THURSDAY EVENING. DUE TO INITIAL WARM PAVEMENT TEMPERATURES... ROADWAYS MAY BECOME ICY. VERY STRONG WINDS AND ACCUMULATING SNOW MAY LEAD TO NEAR BLIZZARD CONDITIONS DURING THE DAY THURSDAY. TRAVEL CONDITIONS THURSDAY WILL BECOME DANGEROUS AND POTENTIALLY LIFE THREATENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS 6 TO 8 INCHES OR MORE OF SNOW COMBINED WITH STRONG WINDS IS EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY DANGEROUS OR IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER SURVIVAL KIT. && $$ IAZ066>068-078-087>089-098-099-ILZ002-007-009-015>018-024-025- MOZ009-010-191230- /O.CON.KDVN.WS.A.0004.121220T0000Z-121221T0000Z/ CLINTON-MUSCATINE-SCOTT-LOUISA-JEFFERSON-HENRY IA-DES MOINES- VAN BUREN-LEE-STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL- BUREAU-PUTNAM-MERCER-HENDERSON-SCOTLAND-CLARK- INCLUDING THE CITIES OF...CLINTON...MUSCATINE...BETTENDORF... DAVENPORT...WAPELLO...FAIRFIELD...MOUNT PLEASANT...BURLINGTON... KEOSAUQUA....FORT MADISON...FREEPORT...MOUNT CARROLL...STERLING... ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON... HENNEPIN...ALEDO...OQUAWKA...MEMPHIS...KAHOKA 825 PM CST TUE DEC 18 2012 ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY AFTERNOON... * TIMING...RAIN WILL MIX WITH SNOW...THAN CHANGE OVER TO ALL SNOW BY EARLY THURSDAY MORNING. SNOW WILL CONTINUE THROUGH MOST OF THURSDAY AFTERNOON. SNOW WILL BE HEAVY AT TIMES THURSDAY MORNING WITH SNOWFALL RATES OVER 1 INCH PER HOUR POSSIBLE. * SNOWFALL...SNOWFALL TOTALS OF 6 INCHES OR MORE ARE POSSIBLE. STRONG WINDS MAY RESULT IN MUCH DEEPER SNOW DRIFTS. * WIND...NORTH WINDS WILL INCREASE TO 20 TO 30 MPH WEDNESDAY NIGHT WITH GUSTS TO 40 MPH POSSIBLE. THURSDAY...NORTHWEST WINDS OF 25 TO 35 MPH ARE EXPECTED WITH GUSTS AS HIGH AS 50 MPH. * VISIBILITY...THE COMBINATION OF SNOW AND BLOWING SNOW MAY REDUCE VISIBILITIES TO BELOW A QUARTER OF A MILE AT TIMES... ESPECIALLY IN OPEN AREAS. * IMPACTS...TRAVEL CONDITIONS MAY DETERIORATE RAPIDLY ONCE RAIN CHANGES TO SNOW EARLY THURSDAY MORNING. DUE TO INITIAL WARM PAVEMENT TEMPERATURES...ROADWAYS MAY BECOME ICY. IN ADDITION... VERY STRONG WINDS AND ACCUMULATING SNOW MAY LEAD TO NEAR BLIZZARD CONDITIONS DURING THE DAY THURSDAY. TRAVEL CONDITIONS THURSDAY MAY BECOME DANGEROUS...ESPECIALLY IN RURAL AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...AND/OR ICE ACCUMULATIONS THAT WOULD SERIOUSLY IMPACT TRAVEL. MONITOR LATER FORECASTS FOR UPDATES. && $$
917 WWUS43 KDVN 191009 WSWDVN URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 409 AM CST WED DEC 19 2012 ...MAJOR WINTER STORM TO IMPACT THE AREA TONIGHT AND THURSDAY... .AN INTENSE WINTER STORM WILL MOVE ACROSS THE REGION TONIGHT AND THURSDAY...BRINGING HEAVY SNOW...HIGH WINDS AND BLIZZARD CONDITIONS. SNOWFALL TOTALS OF 10 TO 15 INCHES ARE EXPECTED ACROSS MUCH OF EAST CENTRAL IOWA INTO NORTHWEST ILLINOIS WITH LESSER AMOUNTS TO THE SOUTHEAST. VERY STRONG NORTHWEST WINDS WILL BE GUSTING TO AT LEAST 50 TO 55 MPH. THIS WILL RESULT IN LIFE THREATENING BLIZZARD CONDITIONS FOR ANYONE THAT BECOMES STRANDED OR OTHERWISE NOT PREPARED. IAZ040>042-051>054-063>065-076-077-ILZ001-192015- /O.CAN.KDVN.WS.W.0003.121220T0000Z-121221T0000Z/ /O.NEW.KDVN.BZ.W.0001.121220T0000Z-121221T0000Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON- CEDAR-KEOKUK-WASHINGTON-JO DAVIESS- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO... IOWA CITY...TIPTON...SIGOURNEY...WASHINGTON...GALENA 409 AM CST WED DEC 19 2012 ...BLIZZARD WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST THURSDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST THURSDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...RAIN OR A MIX OF RAIN AND SNOW THIS AFTERNOON WILL CHANGE TO MODERATE TO HEAVY SNOW THIS EVENING...WHICH WILL CONTINUE THROUGH MOST OF THURSDAY MORNING. LIGHT SNOW SHOULD GRADUALLY DIMINISH OR END THURSDAY AFTERNOON. * SNOWFALL...SNOWFALL TOTALS OF 10 TO 15 INCHES. * WIND...NORTH WINDS WILL INCREASE TO 25 TO 30 MPH TONIGHT WITH GUSTS UP TO 40 MPH POSSIBLE. THURSDAY...NORTHWEST WINDS WILL INCREASE TO 30 TO 40 MPH WITH SOME GUSTS AS HIGH AS 55 MPH. * VISIBILITY...THE COMBINATION OF SNOW AND HIGH WINDS WILL RESULT IN CONSIDERABLE BLOWING AND DRIFTING SNOW AND AREAS OF POOR VISIBILITY. VISIBILITIES WILL BE REDUCED TO NEAR ZERO ESPECIALLY IN OPEN AREAS. * TEMPERATURE/WIND CHILL...TEMPERATURES WILL FALL THROUGH THE 20S TO THE TEENS BY THURSDAY AFTERNOON. WIND CHILLS MAY BE AS LOW AS ZERO TOWARD EVENING. * IMPACTS...TRAVEL CONDITIONS ARE EXPECTED TO RAPIDLY DETERIORATE THIS EVENING. DUE TO INITIAL WARM PAVEMENT TEMPERATURES... ROADWAYS MAY BECOME ICY. HIGH WINDS AND ACCUMULATING SNOW WILL LEAD TO BLIZZARD CONDITIONS TONIGHT AND THURSDAY. TRAVEL WILL BECOME DANGEROUS AND LIFE THREATENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS 6 TO 8 INCHES OR MORE OF SNOW COMBINED WITH STRONG WINDS IS EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY DANGEROUS OR IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER SURVIVAL KIT. A BLIZZARD WARNING MEANS THAT FALLING AND BLOWING SNOW...STRONG WINDS AND POOR VISIBILITIES OF ONE-QUARTER MILE OR LESS ARE OCCURRING OR IMMINENT. THIS WILL CAUSE WHITEOUT CONDITIONS... MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL! IF YOU MUST TRAVEL DUE TO AN EMERGENCY...TAKE YOUR WINTER SURVIVAL KIT. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE UNTIL HELP ARRIVES. && $$ IAZ066>068-078-087>089-098-099-ILZ002-007-009-015-016-024-025- MOZ009-010-192015- /O.UPG.KDVN.WS.A.0004.121220T0000Z-121221T0000Z/ /O.NEW.KDVN.WS.W.0004.121220T1200Z-121221T0000Z/ CLINTON-MUSCATINE-SCOTT-LOUISA-JEFFERSON-HENRY IA-DES MOINES- VAN BUREN-LEE-STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL- MERCER-HENDERSON-SCOTLAND-CLARK- INCLUDING THE CITIES OF...CLINTON...MUSCATINE...BETTENDORF... DAVENPORT...WAPELLO...FAIRFIELD...MOUNT PLEASANT...BURLINGTON... KEOSAUQUA....FORT MADISON...FREEPORT...MOUNT CARROLL...STERLING... ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...ALEDO...OQUAWKA... MEMPHIS...KAHOKA 409 AM CST WED DEC 19 2012 ...WINTER STORM WARNING IN EFFECT FROM 6 AM TO 6 PM CST THURSDAY... THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 6 AM TO 6 PM CST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...RAIN WILL MIX WITH SNOW...THAN CHANGE OVER TO ALL SNOW BY EARLY THURSDAY MORNING. MODERATE TO HEAVY SNOW WILL CONTINUE THROUGH MOST OF THE DAY ON THURSDAY. * SNOWFALL...SNOWFALL TOTALS OF 4 TO 8 INCHES OR MORE ESPECIALLY NORTH OF INTERSTATE 80. * WIND...NORTH WINDS WILL INCREASE TO 20 TO 30 MPH TONIGHT WITH GUSTS TO 40 MPH POSSIBLE. THURSDAY...NORTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS AS HIGH AS 55 MPH. * VISIBILITY...THE COMBINATION OF SNOW AND BLOWING SNOW WILL REDUCE VISIBILITIES TO ZERO AT TIMES...ESPECIALLY IN OPEN AREAS. * TEMPERATURE/WIND CHILL...TEMPERATURES WILL BE FALLING INTO THE 20S WITH WIND CHILLS IN THE SINGLE DIGITS. * IMPACTS...TRAVEL CONDITIONS WILL DETERIORATE RAPIDLY ONCE RAIN CHANGES TO SNOW EARLY THURSDAY MORNING. DUE TO INITIAL WARM PAVEMENT TEMPERATURES...ROADWAYS MAY BECOME ICY. IN ADDITION...HIGH WINDS AND ACCUMULATING SNOW MAY LEAD TO NEAR BLIZZARD CONDITIONS DURING THE DAY THURSDAY. TRAVEL CONDITIONS THURSDAY MAY BECOME DANGEROUS...ESPECIALLY IN RURAL AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS 6 TO 7 INCHES OR MORE OF SNOW FALLING AT INTENSE RATES OF 1-2 INCHES PER HOUR...IS EXPECTED. THIS WILL MAKE TRAVEL VERY DANGEROUS OR IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER SURVIVAL KIT. && $$ ILZ026-034-035-192015- /O.NEW.KDVN.WW.Y.0007.121220T1200Z-121221T0000Z/ WARREN-HANCOCK-MCDONOUGH- INCLUDING THE CITIES OF...MONMOUTH...CARTHAGE...MACOMB 409 AM CST WED DEC 19 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM TO 6 PM CST THURSDAY... THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 6 AM TO 6 PM CST THURSDAY. * TIMING...RAIN CHANGING TO LIGHT TO MODERATE SNOW IN THE MORNING CONTINUING IN THE AFTERNOON. * SNOWFALL...2 TO 4 INCHES. * WIND...NORTHWEST WINDS 30 TO 40 MPH WITH GUSTS TO 55 MPH. * VISIBILITY...THE COMBINATION OF SNOW AND BLOWING SNOW WILL REDUCE VISIBILITIES TO LESS THAN 1/4 MILE AT TIMES. * TEMPERATURE/WIND CHILL...TEMPERATURES WILL BE FALLING INTO THE 20S WITH WIND CHILLS IN THE SINGLE DIGITS. * IMPACTS...TRAVEL CONDITIONS WILL DETERIORATE RAPIDLY ONCE RAIN CHANGES TO SNOW THURSDAY MORNING. DUE TO INITIAL WARM PAVEMENT TEMPERATURES...ROADWAYS MAY BECOME ICY. IN ADDITION...HIGH WINDS AND ACCUMULATING SNOW MAY LEAD TO NEAR BLIZZARD CONDITIONS FOR A TIME THURSDAY AFTERNOON. TRAVEL CONDITIONS THURSDAY MAY BECOME DANGEROUS...ESPECIALLY IN RURAL AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. BE CAREFUL WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ ILZ017-018-192015- /O.EXT.KDVN.WS.A.0004.121220T1200Z-121221T0000Z/ BUREAU-PUTNAM- INCLUDING THE CITIES OF...PRINCETON...HENNEPIN 409 AM CST WED DEC 19 2012 ...WINTER STORM WATCH NOW IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY AFTERNOON... * TIMING...RAIN WILL MIX WITH SNOW...THAN CHANGE OVER TO ALL SNOW BY LATE THURSDAY MORNING. SNOW WILL CONTINUE THROUGH MOST OF THURSDAY AFTERNOON. * SNOWFALL...SNOWFALL TOTALS OF 4 TO 7 INCHES ARE POSSIBLE. * WIND...NORTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS AS HIGH AS 55 MPH. * VISIBILITY...THE COMBINATION OF SNOW AND BLOWING SNOW MAY REDUCE VISIBILITIES TO BELOW A QUARTER OF A MILE AT TIMES... ESPECIALLY IN OPEN AREAS. * IMPACTS...TRAVEL CONDITIONS MAY DETERIORATE RAPIDLY ONCE RAIN CHANGES TO SNOW LATE THURSDAY MORNING. DUE TO INITIAL WARM PAVEMENT TEMPERATURES...ROADWAYS MAY BECOME ICY. IN ADDITION... HIGH WINDS AND ACCUMULATING SNOW MAY LEAD TO NEAR BLIZZARD CONDITIONS THURSDAY AFTERNOON. TRAVEL CONDITIONS THURSDAY MAY BECOME DANGEROUS...ESPECIALLY IN RURAL AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...AND/OR ICE ACCUMULATIONS THAT WOULD SERIOUSLY IMPACT TRAVEL. MONITOR LATER FORECASTS FOR UPDATES. && $$ HAASE/ERVIN
Nearby
Winter Storm Warnings in Iowa, 2012Winter Storm Warnings in Illinois, 2012Every winter storm warning in 2012
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.