Alert archive / Iowa / Wind Chill Advisories in 2014
Wind Chill Advisory 21, NWS Des Moines, IA
NWS Des Moines, IA issued this wind chill advisory at Nov 17, 2014, 3:42 PM CST for 9 counties in Iowa. It took effect at Nov 18, 2014, 3:00 AM CST. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- Nov 17, 2014, 3:42 PM CST (21:42 UTC)
- In effect from
- Nov 18, 2014, 3:00 AM CST
- Expired
- Nov 18, 2014, 3:58 AM CST
- In force
- 58 min
- Issued by
- NWS Des Moines, IA
Counties Cerro Gordo County, IA, Emmet County, IA, Hancock County, IA, Humboldt County, IA, Kossuth County, IA, Palo Alto County, IA, Pocahontas County, IA, Winnebago County, IA, Worth County, IA
The radar
The Des Moines radar (KDMX), 157 km from the middle of the area, began a volume at 21:44 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
Minneapolis, MN (KMPX), launched 12:00Z, 9.7 hours before the alert went out and 196 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
- 819 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -50 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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
4 follow-up statements
072 WWUS43 KDMX 180014 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 614 PM CST MON NOV 17 2014 ...VERY COLD WIND CHILLS OVERNIGHT... .NORTHWEST WINDS WILL DIMINISH SOMEWHAT THIS EVENING BUT STILL REMAIN BRISK INTO THE NIGHT. VISIBILITY RESTRICTIONS DOWN TO A FEW MILES MAY STILL OCCUR BUT ARE NOT EXPECTED TO PRODUCE SIGNIFICANT OR WIDESPREAD TRAVEL PROBLEMS. THE MAIN WEATHER STORY WILL TURN TO THE COMBINATION OF WIND AND COLD TONIGHT WHICH WILL ALSO CREATE VERY COLD WIND CHILLS. IAZ004>007-015>017-023-024-180815- /O.EXP.KDMX.WW.Y.0021.000000T0000Z-141118T0000Z/ /O.CON.KDMX.WC.Y.0021.141118T0900Z-141118T1500Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT- 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 614 PM CST MON NOV 17 2014 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM CST TUESDAY... ...WINTER WEATHER ADVISORY HAS EXPIRED... * TEMPERATURES/WIND CHILL VALUES...TEMPERATURES WILL DROP TO NEAR ZERO OVERNIGHT WITH WIND CHILL VALUES AROUND 20 BELOW ZERO. * IMPACTS...FROST BITE CAN LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN TO REDUCE EXPOSURE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES AND MINIMIZE EXPOSED SKIN. $$ IAZ025-026-180115- /O.EXP.KDMX.WW.Y.0021.000000T0000Z-141118T0000Z/ WRIGHT-FRANKLIN- INCLUDING THE CITIES OF...EAGLE GROVE...CLARION...BELMOND... HAMPTON 614 PM CST MON NOV 17 2014 ...WINTER WEATHER ADVISORY HAS EXPIRED... VISIBILITY RESTRICTIONS DOWN TO A FEW MILES MAY STILL OCCUR IN LIGHT SNOW SHOWERS AND SHALLOW BLOWING SNOW...BUT ARE NOT EXPECTED TO PRODUCE SIGNIFICANT OR WIDESPREAD TRAVEL PROBLEMS. HENCE THE ADVISORY HAS BEEN ALLOWED TO EXPIRE. $$ SMALL
736 WWUS43 KDMX 180306 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 906 PM CST MON NOV 17 2014 ...VERY COLD WIND CHILLS OVERNIGHT... .NORTHWEST WINDS WILL REMAIN BRISK INTO THE NIGHT. THE COMBINATION OF COLD AND THIS WIND WILL CREATE BITTERLY COLD WIND CHILLS. IAZ004>007-015>017-023-024-181100- /O.CON.KDMX.WC.Y.0021.141118T0900Z-141118T1500Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT- 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 906 PM CST MON NOV 17 2014 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM CST TUESDAY... * TEMPERATURES/WIND CHILL VALUES...TEMPERATURES WILL DROP TO A FEW DEGREES EITHER SIDE OF ZERO OVERNIGHT WITH WIND CHILL VALUES TO AROUND 20 BELOW ZERO. * IMPACTS...FROST BITE CAN LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN TO REDUCE EXPOSURE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES AND MINIMIZE EXPOSED SKIN. $$ SMALL
641 WWUS43 KDMX 180716 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 116 AM CST TUE NOV 18 2014 ...VERY COLD WIND CHILLS OVERNIGHT... .NORTHWEST WINDS WILL REMAIN BRISK INTO THE NIGHT. THE COMBINATION OF COLD AND THIS WIND WILL CREATE BITTERLY COLD WIND CHILLS. IAZ004>007-015>017-023-024-181500- /O.CON.KDMX.WC.Y.0021.141118T0900Z-141118T1500Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...GARNER...BRITT... KANAWHA...MASON CITY...CLEAR LAKE...POCAHONTAS...LAURENS... ROLFE...FONDA...GILMORE CITY...HUMBOLDT 116 AM CST TUE NOV 18 2014 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... * TEMPERATURES/WIND CHILL VALUES...TEMPERATURES WILL DROP TO A FEW DEGREES EITHER SIDE OF ZERO BY SUNRISE WITH WIND CHILL VALUES TO AROUND 20 BELOW ZERO. * IMPACTS...FROST BITE CAN LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN TO REDUCE EXPOSURE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES AND MINIMIZE EXPOSED SKIN. $$ REV
488 WWUS43 KDMX 180958 WSWDMX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 358 AM CST TUE NOV 18 2014 ...WIND CHILL ADVISORY CANCELLED... .CLOUD COVER HAS MOVED INTO NORTHERN IOWA EARLY THIS MORNING AND TEMPERATURES AND WIND CHILL VALUES ARE EXPECTED TO REMAIN WARM ENOUGH TO CANCEL THE WIND CHILL ADVISORY. IAZ004>007-015>017-023-024-181100- /O.CAN.KDMX.WC.Y.0021.000000T0000Z-141118T1500Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT- 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 358 AM CST TUE NOV 18 2014 ...WIND CHILL ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE WIND CHILL ADVISORY. THOUGH STILL RATHER COLD THIS MORNING...WIND CHILL VALUES WILL REMAIN WARM ENOUGH TO NO LONGER POSE A SIGNIFICANT DANGER EARLY THIS TUESDAY MORNING. TEMPERATURES WILL REMAIN IN THE SINGLE DIGITS WITH WIND CHILL VALUES 0 TO NEAR 10 BELOW THROUGH SUNRISE. $$ REV
Nearby
Wind Chill Advisories in Iowa, 2014Every wind chill advisory 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.