Alert archive / Iowa / Wind Chill Advisories in 2008
Wind Chill Advisory 2, NWS Quad Cities, IA
NWS Quad Cities, IA issued this wind chill advisory at Jan 18, 2008, 3:20 AM CST for 9 counties in Illinois; 16 counties in Iowa. It took effect at Jan 18, 2008, 6:00 PM CST. It was in force for 40 hr.
The area
The counties it named.
The facts
- Issued
- Jan 18, 2008, 3:20 AM CST (09:20 UTC)
- In effect from
- Jan 18, 2008, 6:00 PM CST
- Expired
- Jan 20, 2008, 10:22 AM CST
- In force
- 40 hr
- Issued by
- NWS Quad Cities, IA
All 25 counties
Benton County, IA, Buchanan County, IA, Cedar County, IA, Clinton 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, Louisa County, IA, Muscatine County, IA, Scott County, IA, Washington County, IA, Bureau County, IL, Carroll County, IL, Henry County, IL, Jo Daviess County, IL, Mercer County, IL, Putnam County, IL, Rock Island County, IL, Stephenson County, IL, Whiteside County, IL
The radar
The Quad Cities radar (KDVN), 32 km from the middle of the area, began a volume at 09:20 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 00:00Z, 9.3 hours before the alert went out and 37 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
- 727 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 23 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 KDVN 180920 WSWDVN URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 320 AM CST FRI JAN 18 2008 ...ARCTIC AIR AND STRONG NORTHWESTERLY WINDS TO CAUSE DANGEROUSLY COLD WIND CHILLS... .A COLD FRONT TODAY WILL BRING VERY COLD AIR INTO THE AREA...AS WELL AS GUSTY NORTHWESTERLY WINDS. THE COMBINATION OF TEMPERATURES IN THE TEENS BELOW ZERO...AND WIND SPEEDS IN THE TEENS...WILL CAUSE WIND CHILL READINGS TO DROP TO 20 TO 30 DEGREES BELOW ZERO FROM TONIGHT THROUGH EARLY SUNDAY. DIMINISHING WINDS ON SUNDAY WILL END THE WIND CHILL THREAT...THOUGH TEMPERATURES WILL REMAIN VERY COLD. IAZ040>042-051>054-063>068-076>078-ILZ001-002-007-009-015>018-024- 181730- /O.NEW.KDVN.WC.Y.0002.080119T0000Z-080120T1800Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON- CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JO DAVIESS- STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM- MERCER- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO... IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF... DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...GALENA... FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE... ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO 320 AM CST FRI JAN 18 2008 ...WIND CHILL ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST SUNDAY... THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST SUNDAY. TEMPERATURES DIPPING INTO THE TEENS BELOW ZERO...COMBINED WITH STRONG NORTHWESTERLY WINDS...WILL CAUSE WIND CHILL READINGS TO DROP TO 20 TO 30 BELOW ZERO. CONDITIONS WILL CONTINUE FROM FRIDAY EVENING THROUGH SUNDAY MORNING...UNTIL WIND SPEEDS DIMINISH ON SUNDAY. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN. FROSTBITE WILL OCCUR IN A FEW AS 20 MINUTES IN THESE CONDITIONS. $$ MAYES/MCCLURE
9 follow-up statements
000 WWUS43 KDVN 181529 WSWDVN URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 929 AM CST FRI JAN 18 2008 ...ARCTIC AIR AND STRONG NORTHWESTERLY WINDS TO CAUSE DANGEROUSLY COLD WIND CHILLS... .A COLD FRONT TODAY WILL BRING VERY COLD AIR INTO THE AREA...AS WELL AS GUSTY NORTHWESTERLY WINDS. THE COMBINATION OF TEMPERATURES IN THE TEENS BELOW ZERO...AND WIND SPEEDS IN THE TEENS...WILL CAUSE WIND CHILL READINGS TO DROP TO 20 TO 30 DEGREES BELOW ZERO FROM TONIGHT THROUGH EARLY SUNDAY. DIMINISHING WINDS ON SUNDAY WILL END THE WIND CHILL THREAT... THOUGH TEMPERATURES WILL REMAIN VERY COLD. IAZ040>042-051>054-063>068-076>078-ILZ001-002-007-009-015>018-024- 182330- /O.CON.KDVN.WC.Y.0002.080119T0000Z-080120T1800Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON- CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JO DAVIESS- STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM- MERCER- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO... IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF... DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...GALENA... FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE... ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO 929 AM CST FRI JAN 18 2008 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST SUNDAY... A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST SUNDAY. TEMPERATURES DIPPING INTO THE TEENS BELOW ZERO...COMBINED WITH STRONG NORTHWESTERLY WINDS...WILL CAUSE WIND CHILL READINGS TO DROP TO 20 TO 30 BELOW ZERO. CONDITIONS WILL CONTINUE FROM FRIDAY EVENING THROUGH SUNDAY MORNING...UNTIL WIND SPEEDS DIMINISH ON SUNDAY. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN. FROSTBITE WILL OCCUR IN A FEW AS 20 MINUTES IN THESE CONDITIONS. $$
000 WWUS43 KDVN 182100 WSWDVN URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 300 PM CST FRI JAN 18 2008 ...COLDEST AIR IN SEVERAL YEARS TO SETTLE ACROSS THE AREA... .AN ARCTIC AIRMASS WILL SETTLE ACROSS THE REGION FOR THE WEEKEND. THE COLD AIR COMBINED WITH BRISK WINDS WILL CREATE DANGEROUSLY COLD WIND CHILLS OF AT LEAST 20 TO 30 BELOW ZERO THROUGH MID DAY SUNDAY. ALTHOUGH WINDS WILL DIMINISH ON SUNDAY...TEMPERATURES WILL REMAIN VERY COLD. IAZ040>042-051>054-063>068-076>078-ILZ001-002-007-009-015>018-024- 190500- /O.CON.KDVN.WC.Y.0002.080119T0000Z-080120T1800Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON- CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JO DAVIESS- STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM- MERCER- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO... IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF... DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...GALENA... FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE... ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO 300 PM CST FRI JAN 18 2008 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST SUNDAY... A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM CST SUNDAY. STRONG NORTHWEST WINDS COMBINED WITH TEMPERATURES RANGING FROM ZERO TO NEAR 20 BELOW...WILL CREATE WIND CHILLS OF 20 TO 30 BELOW ZERO. THESE DANGEROUS WIND CHILLS WILL CONTINUE THROUGH MID DAY SUNDAY BEFORE WINDS DIMINISH. THERE ARE TWO IMPORTANT THINGS TO NOTE. FIRST...DEPENDING ON HOW COLD IT GETS TONIGHT...THERE IS A VERY REAL POSSIBILITY THAT WIND CHILLS MAY EXCEED 30 BELOW ZERO NORTH AND WEST OF A LINE FROM DUBUQUE TO IOWA CITY AROUND SUNRISE SATURDAY MORNING. IF THIS WOULD OCCUR...A WIND CHILL WARNING MAY BE NEEDED FOR THAT AREA. SECOND...WIND CHILLS ON SATURDAY ARE EXPECTED TO CLIMB ABOVE ADVISORY CRITERIA ALONG AND SOUTH OF THE INTERSTATE 80 CORRIDOR. HOWEVER...WIND CHILLS ARE EXPECTED TO REACH ADVISORY CRITERIA AGAIN WHEN THE SUN SETS ON SATURDAY. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN. FROSTBITE WILL OCCUR IN A FEW AS 20 MINUTES IN THESE CONDITIONS. $$
000 WWUS43 KDVN 190301 WSWDVN URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 901 PM CST FRI JAN 18 2008 ...COLDEST AIR IN MANY YEARS TO SETTLE ACROSS THE AREA... .AN ARCTIC AIRMASS WILL SETTLE ACROSS THE REGION FOR THE WEEKEND. THE COLD AIR COMBINED WITH BRISK WINDS WILL CREATE DANGEROUSLY COLD WIND CHILLS OF AT LEAST 20 TO 30 BELOW ZERO THROUGH MID DAY SUNDAY. ALTHOUGH WINDS WILL DIMINISH ON SUNDAY...TEMPERATURES WILL REMAIN VERY COLD. IAZ040>042-051>054-063>068-076>078-ILZ001-002-007-009-015>018-024- 191115- /O.CON.KDVN.WC.Y.0002.000000T0000Z-080120T1800Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON- CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JO DAVIESS- STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM- MERCER- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO... IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF... DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...GALENA... FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE... ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO 901 PM CST FRI JAN 18 2008 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SUNDAY... A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SUNDAY. NORTHWEST WINDS OF 10 TO 20 MPH COMBINED WITH TEMPERATURES RANGING FROM ZERO DOWN TO AS LOW AS NEAR 20 BELOW ZERO...WILL CREATE WIND CHILLS OF 20 TO 30 BELOW ZERO. THESE DANGEROUS WIND CHILLS WILL CONTINUE THROUGH MID DAY SUNDAY BEFORE WINDS DIMINISH. THERE ARE TWO IMPORTANT THINGS TO NOTE. FIRST...DEPENDING ON HOW COLD IT GETS TONIGHT...THERE IS A VERY REAL POSSIBILITY THAT WIND CHILLS MAY EXCEED 30 BELOW ZERO NORTH AND WEST OF A LINE FROM DUBUQUE TO IOWA CITY AROUND SUNRISE SATURDAY MORNING. IF THIS WOULD OCCUR...A WIND CHILL WARNING MAY BE NEEDED FOR THAT AREA. SECOND...WIND CHILLS ON SATURDAY ARE EXPECTED TO BRIEFLY CLIMB ABOVE ADVISORY CRITERIA FOR A FEW HOURS ALONG AND SOUTH OF THE INTERSTATE 80 CORRIDOR. HOWEVER...WIND CHILLS ARE EXPECTED TO REACH ADVISORY CRITERIA AGAIN WHEN THE SUN SETS ON SATURDAY. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN. FROSTBITE WILL OCCUR IN A FEW AS 20 MINUTES IN THESE CONDITIONS. $$ NICHOLS
000 WWUS43 KDVN 190909 WSWDVN URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 309 AM CST SAT JAN 19 2008 ...DANGEROUSLY COLD WIND CHILLS CONTINUE ACROSS THE AREA... .AN ARCTIC AIRMASS HAS MOVED INTO THE AREA...BRINGING TEMPERATURES WELL BELOW ZERO AND INTO THE TEENS BELOW ZERO. TEMPERATURES ARE NOT EXPECTED TO WARM MUCH DURING THE DAY TODAY WITH A CONTINUED FEED OF ARCTIC AIR. ALSO...STRONG NORTHWESTERLY WINDS WILL CONTINUE TODAY...WITH WINDS OF 10 TO 20 MPH THROUGH THE REST OF THE DAY. THE COMBINATION WILL ALLOW WIND CHILL READINGS TO FALL TO 20 TO 30 BELOW ZERO. WIND SPEEDS WILL DIMINISH ON SUNDAY...ENDING THE WIND CHILL THREAT...THOUGH AIR TEMPERATURES WILL REMAIN VERY COLD. IAZ040>042-051>054-063>068-076>078-ILZ001-002-007-009-015>018-024- 191715- /O.CON.KDVN.WC.Y.0002.000000T0000Z-080120T1800Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON- CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JO DAVIESS- STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM- MERCER- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO... IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF... DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...GALENA... FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE... ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO 309 AM CST SAT JAN 19 2008 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SUNDAY... A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SUNDAY. NORTHWEST WINDS OF 10 TO 20 MPH COMBINED WITH TEMPERATURES BETWEEN ZERO AND 20 BELOW ZERO WILL CREATE WIND CHILLS OF 20 TO 30 BELOW ZERO. THESE DANGEROUS WIND CHILLS WILL CONTINUE THROUGH SUNDAY MORNING BEFORE WINDS DIMINISH. AREAS NORTH OF HIGHWAY 30 MAY SEE WIND CHILL READINGS NEAR 30 BELOW ZERO FOR A COUPLE OF HOURS THIS MORNING...AND WIND CHILLS WILL REMAIN COLDER THAN 20 BELOW ZERO THROUGH TOMORROW MORNING. CLOSER TO INTERSTATE 80...WIND CHILLS THIS AFTERNOON WILL BRIEFLY RISE ABOVE 20 BELOW ZERO BEFORE DROPPING AGAIN CLOSER TO EVENING AS TEMPERATURES FALL. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN. FROSTBITE WILL OCCUR IN A FEW AS 20 MINUTES IN THESE CONDITIONS. $$ MAYES
000 WWUS43 KDVN 191536 WSWDVN URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 936 AM CST SAT JAN 19 2008 ...DANGEROUSLY COLD WIND CHILLS CONTINUE ACROSS THE AREA... .AN ARCTIC AIRMASS HAS MOVED INTO THE AREA...BRINGING MORNING LOW TEMPERATURES WELL BELOW ZERO AND INTO THE TEENS BELOW ZERO. TEMPERATURES WILL NOT WARM MUCH DURING THE DAY TODAY WITH A CONTINUED FEED OF ARCTIC AIR. IN ADDITION NORTHWESTERLY WINDS WILL CONTINUE TODAY...WITH WINDS OF 10 TO 20 MPH THROUGH THE REST OF THE DAY. THE COMBINATION WILL ALLOW WIND CHILL READINGS REMAIN BETWEEN 20 TO 30 BELOW ZERO. WIND SPEEDS WILL DIMINISH ON SUNDAY...ENDING THE WIND CHILL THREAT...THOUGH AIR TEMPERATURES WILL REMAIN VERY COLD. IAZ040>042-051>054-063>068-076>078-ILZ001-002-007-009-015>018-024- 192345- /O.CON.KDVN.WC.Y.0002.000000T0000Z-080120T1800Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON- CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JO DAVIESS- STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM- MERCER- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO... IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF... DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...GALENA... FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE... ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO 936 AM CST SAT JAN 19 2008 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SUNDAY... A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SUNDAY. NORTHWEST WINDS OF 10 TO 20 MPH COMBINED WITH TEMPERATURES BETWEEN ZERO AND 10 BELOW ZERO WILL CREATE WIND CHILLS OF 20 TO 30 BELOW ZERO THROUGH THE DAY TODAY. TONIGHT...WINDS WILL BE LIGHTER...BUT WITH TEMPERATURES PLUNGING TO 10 TO 20 BELOW ZERO...WIND CHILLS WILL CONTINUE TO BE DANGEROUSLY COLD. THESE DANGEROUS WIND CHILLS WILL CONTINUE INTO SUNDAY MORNING BEFORE WINDS DIMINISH. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN. FROSTBITE WILL OCCUR IN A FEW AS 20 MINUTES IN THESE CONDITIONS. $$ ERVIN
000 WWUS43 KDVN 192112 WSWDVN URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 312 PM CST SAT JAN 19 2008 ...DANGEROUSLY COLD WIND CHILLS CONTINUE ACROSS THE AREA... .ARCTIC COLD AIR...AND NORTHWESTERLY WINDS WILL CONTINUE INTO SUNDAY MORNING. 10 TO 15 MPH WINDS WILL GRADUALLY DECREASE TO 5 TO 10 MPH TONIGHT AND EARLY SUNDAY MORNING...BUT AS THEY DO...TEMPERATURE WILL CRASH TO BETWEEN 10 AND 20 DEGREES BELOW ZERO. EVEN THE LIGHTER WINDS WILL CONTINUE TO PUSH WIND CHILL VALUES INTO THE 20 TO 30 DEGREES BELOW ZERO RANGE THROUGH SUNDAY MORNING. IAZ040>042-051>054-063>068-076>078-ILZ001-002-007-009-015>018-024- 200515- /O.CON.KDVN.WC.Y.0002.000000T0000Z-080120T1800Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON- CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JO DAVIESS- STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM- MERCER- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO... IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF... DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...GALENA... FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE... ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO 312 PM CST SAT JAN 19 2008 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SUNDAY... A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SUNDAY. 10 TO 15 MPH WINDS WILL DECREASE TO 5 TO 10 MPH LATER TONIGHT...BUT WITH TEMPERATURES PLUNGING TO 10 TO 20 BELOW ZERO... WIND CHILLS WILL CONTINUE TO BE DANGEROUSLY COLD. THESE DANGEROUS WIND CHILLS WILL CONTINUE INTO SUNDAY MORNING BEFORE WINDS BECOME CALM. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN. FROSTBITE WILL OCCUR IN A FEW AS 20 MINUTES IN THESE CONDITIONS. $$ ERVIN
000 WWUS43 KDVN 200257 WSWDVN URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 857 PM CST SAT JAN 19 2008 ...DANGEROUSLY COLD WIND CHILLS CONTINUE ACROSS THE AREA... .ARCTIC COLD AIR...AND NORTHWESTERLY WINDS WILL CONTINUE INTO SUNDAY MORNING. WINDS HAVE DECREASES TO 5 TO 10 MPH...BUT TEMPERATURES WILL FALLING TO BETWEEN 10 AND 20 DEGREES BELOW ZERO. EVEN THE LIGHTER WINDS WILL PUSH WIND CHILL VALUES INTO THE 20 TO 30 DEGREES BELOW ZERO RANGE THROUGH SUNDAY MORNING. IAZ040>042-051>054-063>068-076>078-ILZ001-002-007-009-015>018-024- 201100- /O.CON.KDVN.WC.Y.0002.000000T0000Z-080120T1800Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON- CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JO DAVIESS- STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM- MERCER- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO... IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF... DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...GALENA... FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE... ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO 857 PM CST SAT JAN 19 2008 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SUNDAY... A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SUNDAY. WINDS HAVE DECREASED TO 5 TO 10 MPH...BUT WITH TEMPERATURES PLUNGING TO 10 TO 20 BELOW ZERO... WIND CHILLS WILL CONTINUE TO BE DANGEROUSLY COLD. THESE DANGEROUS WIND CHILLS WILL CONTINUE INTO SUNDAY MORNING BEFORE WINDS BECOME CALM. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN. FROSTBITE WILL OCCUR IN A FEW AS 20 MINUTES IN THESE CONDITIONS. $$ LE
000 WWUS43 KDVN 200941 WSWDVN URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 341 AM CST SUN JAN 20 2008 ...DANGEROUSLY COLD WIND CHILLS CONTINUE ACROSS THE AREA... .ARCTIC HIGH PRESSURE WILL CONTINUE TO BUILD INTO THE AREA THIS MORNING. THE COMBINATION OF THE ARCTIC AIR AND WEST WINDS OF 5 TO 10 MPH WILL PRODUCE WIND CHILL VALUES IN THE RANGE OF 20 TO 30 DEGREES BELOW ZERO THIS MORNING. IAZ040>042-051>054-063>068-076>078-ILZ001-002-007-009-015>018-024- 201745- /O.CON.KDVN.WC.Y.0002.000000T0000Z-080120T1800Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON- CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JO DAVIESS- STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM- MERCER- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO... IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF... DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...GALENA... FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE... ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO 341 AM CST SUN JAN 20 2008 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. BITTERLY COLD TEMPERATURES COMBINED WITH WEST WINDS AT 5 TO 10 MPH WILL PRODUCE DANGEROUSLY COLD WIND CHILLS OF 20 TO 30 BELOW ZERO THIS MORNING. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN. FROSTBITE WILL OCCUR IN A FEW AS 20 MINUTES IN THESE CONDITIONS. $$
000 WWUS43 KDVN 201622 WSWDVN URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE QUAD CITIES IA IL 1022 AM CST SUN JAN 20 2008 ...LIGHT WINDS ENDING THE WIND CHILL THREAT... .WINDS HAVE DECREASE TO UNDER 5 MPH ACROSS EASTERN IOWA AND NORTHWEST ILLINOIS. THEREFORE...WIND CHILLS WILL NO LONGER BE A SIGNIFICANT THREAT. IAZ040>042-051>054-063>068-076>078-ILZ001-002-007-009-015>018-024- 201730- /O.CAN.KDVN.WC.Y.0002.000000T0000Z-080120T1800Z/ BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON- CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JO DAVIESS- STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM- MERCER- INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE... VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO... IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF... DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...GALENA... FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE... ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO 1022 AM CST SUN JAN 20 2008 ...WIND CHILL ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CANCELLED THE WIND CHILL ADVISORY. CALM WINDS HAVE REDUCED THE THREAT OF DANGEROUS WIND CHILLS TODAY. COLD TEMPERATURES BELOW 10 DEGREES WILL CONTINUE TODAY...SO BE SURE TO DRESS FOR THE WEATHER. $$ ERVIN
What forecasters said that day
The local office's own words before this wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Quad Cities, IA wrote its last area forecast discussion before this wind chill advisory went out at Jan 18, 3:14 AM CST, 6 minutes earlier.
Area forecast discussion, Jan 18, 3:14 AM CST, 6 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
314 AM CST FRI JAN 18 2008
.SYNOPSIS...
ARCTIC AIR IS ON OUR DOORSTEP TODAY AFTER BRIEF SHOT OF SUB-ZERO
TEMPS THIS MORNING. SUBJECTIVE 00Z UPPER AIR ANALYSIS INDICATES
STRONG NWLY FLOW OVER THE PLAINS...WITH UPPER TROUGH FROM WI THROUGH
ERN IA/SWRN MO AND SECONDARY TROUGH FROM AB THROUGH MN/MO VALLEY AND
BACK THROUGH WRN KS/NM. UPPER-LEVEL WINDS WERE STRONG AHEAD OF THE
TROUGH...WITH 100KT WINDS AT 500MB AND 150KT AT 300MB. UPPER JET
STREAK WAS ALSO PUSHING THROUGH NRN BC/AB. COLD AIR POCKET AT 850MB
WAS DIPPING INTO MN/NRN IA BEHIND AN 850MB LOW IN NRN WI/MI...WITH
ANOTHER REINFORCING SHOT OF COLD AIR BACK IN MT/MB/SASK. AT THE
SURFACE...WEAK SWLY FLOW HAD BECOME ESTABLISHED ACROSS IA/WRN IL AS
OF 08Z...WITH COLDEST SFC TEMPS WORKING THROUGH ERN IA/WRN IL ALONG
A WEAK RIDGE AXIS. ARCTIC COLD FRONT EXTENDED FROM NEAR KDLH TO
NEAR KFSD TO NEAR KMCK. VFR TO MVFR STRATUS HAD REACHED NWRN IA AS
OF 08Z...WITH A FEW SITES REPORTING FLURRIES/LIGHT SNOW IN MN/SD/NEB.
&&
.SHORT TERM...TODAY AND TONIGHT...
FORECAST FOCUS IS ON LIGHT SNOW POTENTIAL TODAY...THEN CRASHING
TEMPS AND WIND CHILL CONCERNS AS ARCTIC AIR FILTERS IN THIS EVENING
AND TONIGHT. EXPECT A BRIEF SHOT OF LIGHT SNOW TODAY AS WEAK
SHORTWAVE RIPPLES THROUGH AND 850MB BOUNDARY PUSHES ACROSS THE AREA
ON THE NOSE OF THE TRUE ARCTIC AIR. MOISTURE IS LIMITED AND SYSTEM
IS PROGRESSIVE...THUS EXPECT JUST A DUSTING OF NEW SNOW. FRONT
SHOULD REACH WRN CWA BY AROUND 15Z...NEAR THE RIVER BY AROUND
18Z...AND THROUGH THE CWA BY AROUND 21Z. TEMPS WILL BE FALLING
BEHIND THE FRONT...AND EXPECT EARLY MAX TEMPS TODAY ACROSS THE AREA
BEFORE THE PLUNGE BEGINS. STRONG NWLY WINDS BEHIND THE
FRONT...COMBINED WITH INTRUSION OF SUB-ZERO TEMPS...MAKE WIND CHILL
CRITERIA AN EASY CALL TONIGHT FOR NRN 2/3 OF CWA AFTER 00Z.
CONTINUED TO KEEP TEMP FORECAST BELOW GUIDANCE...AND COULD STILL BE
NOT COLD ENOUGH TONIGHT IN NRN CWA IN PARTICULAR. SOME LOCATIONS IN
THE NRN CWA COULD FLIRT WITH WIND CHILL WARNING CRITERIA OVERNIGHT
IF MIN TEMP FORECAST FALLS ANY LOWER...BUT WILL HOLD OFF FOR NOW AND
ALLOW NEXT SHIFT ANOTHER LOOK AT TEMP FORECAST BEFORE DELINEATING
AREA OF GREATEST RISK.
MAYES
.LONG TERM...SATURDAY THROUGH THURSDAY...
MAIN CHALLENGES TO BEGIN THE PERIOD ARE BITTER COLD TEMPS AND DANGEROUS
WIND CHILLS WITH ARCTIC AIRMASS FIRMLY ENTRENCHED OVER REGION.
BEYOND...MAIN CONCERN IS WITH PROLONGED PERIOD OF ACCUMULATING SNOW
LATE IN THE WEEKEND THROUGH EARLY NEXT WEEK AS WARM AIR OVERRIDES THE
ARCTIC AIR.
SAT...
THE COLDEST AIR THIS SEASON AND IN SOME AREAS IN NEARLY 10 YEARS TO
GRIP THE REGION WITH TEMPS EXPECTED TO REMAIN BELOW ZERO FOR HIGHS
IN MUCH OF THE N/NW HALF OF CWA. THE LAST TIME THE HIGH TEMP AT MLI WAS
AT OR BELOW ZERO WAS BACK ON JAN 4 1999. MEANWHILE... FCSTING SUB-
ZERO HIGHS AND CID AND DBQ... AND THE LAST TIME IT WAS 3 BELOW
OR COLDER FOR A HIGH TEMP AT EITHER SITE YOU HAVE TO GO BACK TO DEC 24
2000 AT CID (-3F) AND FEB 4 1996 AT DBQ (-3F). NORTHWEST WINDS 10-15 KTS
AND GUSTY ESPECIALLY IN THE MORNING TO PRODUCE DANGEROUSLY COLD WIND
CHILLS IN THE RANGE OF 20 TO 30 BELOW ZERO MAINLY ALONG/N OF HWY 34 WITH
POTENTIAL TO MEET WIND CHILL WARNING CRITERIA OF 30 BELOW OR COLDER IN
NORTHWEST DURING THE MORNING.
SAT NIGHT...
SFC RIDGE AXIS TO SETTLE ACROSS THE CWA RESULTING IN THE COLDEST NIGHT
OF THE BUNCH FOR MANY LOCATIONS. INITIALLY MAINLY CLEAR SKIES AND LIGHT
WINDS TO ALLOW TEMPS TO PLUNGE IN THE EVENING...BEFORE POSSIBLY LEVELING
OFF OVERNIGHT ESPECIALLY IN THE WEST/SOUTH AS HIGH CLOUDS INCREASE AS
WARM ADVECTION COMMENCES IN THE PLAINS AND BEGINS TO SHIFT EAST. DEPENDING
ON CLOUDS POTENTIAL TO SEE FEW SPOTS AROUND 20 BELOW ZERO ON MINS IN
NORTH/WEST.
SUN-THURS...
GFS...UKMET AND ECMWF ALL CONTINUE TO ADVERTISE PROLONGED PERIOD OF
ACCUMULATING SNOW SUN INTO EARLY TUE AS ENERGY SHIFTS EAST FROM
THE INTERMOUNTAIN WEST TO THE GREAT LAKES ALONG STRENGTHENING LLVL
BAROCLINICITY AS WARMER AIR OVERRIDES ARCTIC AIRMASS. SIGNAL HAS BEEN
THERE FOR SEVERAL DAYS AND HAVE GONE AHEAD AND BUMPED UP POPS TO
LIKELY SUN NIGHT AND MONDAY FOR MUCH OF CWA. WARM ADVECTION WING TOOL
FROM GFS SUPPORTS SOME LIGHT SNOW BREAKING OUT ACROSS PORTIONS OF
THE CWA BY SUN AFTN WITH ONE SURGE OF HEAVIER SNOW WITH ACCUMS LIFTING
UP ACROSS CWA FROM MO SUN NIGHT... THEN BIT OF A LULL WITH LIGHT
SNOW OR FLURRIES MON MORNING BEFORE SECOND AND FINAL SURGE ARRIVES MON
AFTN/NIGHT WITH DEPICTION OF WEAK SFC LOW EJECTING E/NE ALONG LLVL
BAROCLINIC RIBBON. HIGH SNOW RATIOS COMBINED WITH LIFT SHOULD BE
SUFFICIENT FOR SEVERAL INCHES OF ACCUMULATION FOR MOST AREAS BY TUE
MORNING. QUICK DPROG/DT OF GFS SHOWS MODEL OVERALL TRENDING A BIT
WETTER WITH SYSTEM... SOMETHING TO KEEP EYE ON FOR SIGNIFICANT SNOW
ACCUM.
NO CHANGES TO FCST BEYOND TUE. OVERALL PATTERN TO REMAIN UNCHANGED WITH
TEMPS BELOW NORMAL WHILE STAYING FAIRLY ACTIVE/UNSETTLED... BOTH
TRENDS LOOK TO PERSIST INTO FEB.
MCCLURE
&&
.AVIATION...
VFR CONDITIONS WILL GIVE WAY TO MVFR CIGS/VIS THROUGH THE MORNING
HOURS AS A BAND OF STRATUS/LIGHT SNOW MOVES THROUGH THE
AREA...ASSOCIATED WITH A COLD FRONT. A FEW HOUR PERIOD OF MVFR
CONDITIONS WILL OCCUR BEFORE SKIES CLEAR AGAIN. SOME MINOR BLOWING
SNOW IS POSSIBLE AT KCID/KDBQ WHERE FRESH SNOW IS DEEPER. WINDS
WILL SHIFT FROM SWLY UNDER 10KT TO NWLY AT AROUND 15KT GUSTING TO
AROUND 25KT...AND WILL REMAIN THERE THROUGH DAYBREAK TOMORROW.
MAYES
&&
.DVN WATCHES/WARNINGS/ADVISORIES...
IA...WIND CHILL ADVISORY FROM 6 PM THIS EVENING TO 12 PM CST SUNDAY
FOR BENTON-BUCHANAN-CEDAR-CLINTON-DELAWARE-DUBUQUE-IOWA-
JACKSON-JOHNSON-JONES-KEOKUK-LINN-LOUISA-MUSCATINE-SCOTT-
WASHINGTON.
IL...WIND CHILL ADVISORY FROM 6 PM THIS EVENING TO 12 PM CST SUNDAY
FOR BUREAU-CARROLL-HENRY IL-JO DAVIESS-MERCER-PUTNAM-ROCK
ISLAND-STEPHENSON-WHITESIDE.
MO...NONE.
&&
MAYES/05Hazardous weather outlook, Jan 17, 4:34 AM CST, 22 hours 46 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE QUAD CITIES IA IL 434 AM CST THU JAN 17 2008 IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007- 009-015>018-024>026-034-035-MOZ009-010-181045- BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON- CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON- HENRY IA-DES MOINES-VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL- WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON- WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK- 434 AM CST THU JAN 17 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL ILLINOIS...NORTHWEST ILLINOIS...WEST CENTRAL ILLINOIS...EAST CENTRAL IOWA...NORTHEAST IOWA...SOUTHEAST IOWA AND NORTHEAST MISSOURI. .DAY ONE...TODAY AND TONIGHT A WINTER STORM WILL MOVE NORTHEAST THROUGH THE THE AREA TODAY...SPREADING SNOW OVER THE MID MISSISSIPPI VALLEY. A WINTER WEATHER ADVISORY REMAINS IN EFFECT FOR AREAS ALONG AND WEST OF A LINE FROM GALENA ILLINOIS THROUGH TIPTON IOWA TO MEMPHIS MISSOURI INTO THIS AFTERNOON. THIS AREA IS EXPECTED TO SEE TOTAL SNOWFALL AMOUNTS OF 2 TO 5 INCHES BY EARLY THIS AFTERNOON. ISOLATED AMOUNTS AROUND 6 INCHES WILL BE POSSIBLE NORTHWEST OF A MANCHESTER...VINTON...BELLE PLAINE LINE. SNOWFALL AMOUNTS WILL DROP OFF RAPIDLY TO THE EAST WITH AMOUNTS UP TO 2 INCHES POSSIBLE FROM THE CLINTON AND QUAD CITIES SOUTH THROUGH BURLINGTON AND KEOKUK. SNOWFALL AMOUNTS INTO WEST CENTRAL ILLINOIS INCLUDING THE PRINCETON AND MACOMB AREAS SHOULD BE AROUND AN INCH OR LESS. THE BULK OF THE SNOW SHOULD FALL THIS MORNING...THEN THE SNOW WILL END FROM SOUTHWEST TO NORTHEAST THIS AFTERNOON. WINDS WILL INCREASE FROM THE WEST THIS AFTERNOON...WHICH MAY CAUSE SOME REDUCED VISIBILITIES IN BLOWING SNOW...ESPECIALLY IN RURAL AREAS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY ON FRIDAY...AN ARCTIC COLD FRONT WILL PUSH THROUGH THE REGION...WITH BRISK NORTHWEST WINDS...LIGHT SNOW AND FALLING TEMPERATURES. LITTLE SNOW ACCUMULATION IS EXPECTED...BUT NORTHWEST WINDS INCREASING TO 20 TO 30 MPH BY EVENING WILL CAUSE CONSIDERABLE BLOWING AND DRIFTING SNOW IN THE AFTERNOON AND OVERNIGHT HOURS. TEMPERATURES WILL DROP INTO THE RANGE OF ZERO TO AROUND 10 BELOW ZERO SATURDAY MORNING... WITH DANGEROUSLY COLD WIND CHILL VALUES AS LOW AS 20 TO 30 BELOW ZERO. A WIND CHILL ADVISORY...AND POSSIBLY A WIND CHILL WARNING...MAY BE NEEDED FOR FRIDAY NIGHT INTO SATURDAY MORNING. BITTER COLD TEMPERATURES WILL LINGER THROUGH SUNDAY MORNING...WITH DAYTIME HIGHS ONLY IN THE SINGLE DIGITS AND OVERNIGHT LOWS POTENTIALLY AS LOW AS 10 TO 20 BELOW ZERO. SUNDAY NIGHT THROUGH MONDAY NIGHT...SNOW WILL BE POSSIBLE ACROSS THE AREA WITH LIGHT ACCUMULATIONS POSSIBLE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT...HOWEVER SNOWFALL REPORTS WILL BE GREATLY APPRECIATED. DLF/SHEETS
Nearby
Wind Chill Advisories in Iowa, 2008Wind Chill Advisories in Illinois, 2008Every wind chill advisory in 2008
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.