Alert archive / Iowa / Wind Advisories in 2012
Wind Advisory 14, NWS Des Moines, IA
NWS Des Moines, IA issued this wind advisory at Dec 9, 2012, 3:28 PM CST for 9 counties in Iowa. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Dec 9, 2012, 3:28 PM CST (21:28 UTC)
- Expired
- Dec 10, 2012, 12:00 AM CST
- In force
- 9 hr
- Issued by
- NWS Des Moines, IA
Counties Calhoun County, IA, Emmet County, IA, Hancock County, IA, Humboldt County, IA, Kossuth County, IA, Palo Alto County, IA, Pocahontas County, IA, Sac County, IA, Winnebago County, IA
The radar
The Des Moines radar (KDMX), 145 km from the middle of the area, began a volume at 21:29 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, 9.5 hours before the alert went out and 223 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
- 611 m above ground
- 0-6 km bulk shear
- 78 kt
- 0-1 km storm-relative helicity
- 285 m²/s²
- 0-3 km storm-relative helicity
- 275 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
274 WWUS73 KDMX 092128 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 328 PM CST SUN DEC 9 2012 ...GUSTY NORTHWEST WINDS TO IMPACT THE AREA TONIGHT... .A SECONDARY COLD FRONT WILL MOVE INTO IOWA LATE THIS AFTERNOON INTO THIS EVENING AND WILL BRING STRONG AND GUSTY WINDS TO PORTIONS OF NORTH CENTRAL AND NORTHWEST IOWA. IAZ004>006-015-016-023-024-033-034-100530- /O.NEW.KDMX.WI.Y.0014.121209T2128Z-121210T0600Z/ EMMET-KOSSUTH-WINNEBAGO-PALO ALTO-HANCOCK-POCAHONTAS-HUMBOLDT-SAC- CALHOUN- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... EMMETSBURG...GARNER...POCAHONTAS...HUMBOLDT...SAC CITY... ROCKWELL CITY 328 PM CST SUN DEC 9 2012 ...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. * TIMING...THROUGH THIS EVENING WITH THE STRONGEST WINDS EXPECTED BETWEEN 6 PM AND MIDNIGHT. * WINDS...NORTHWEST WINDS OF 25 TO 35 MPH GUSTING TO 45 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
2 follow-up statements
056 WWUS73 KDMX 100302 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 902 PM CST SUN DEC 9 2012 ...GUSTY NORTHWEST WINDS TO IMPACT THE AREA TONIGHT... .A SECONDARY COLD FRONT WILL CONTINUE MOVING THROUGH NORTHWEST IOWA TONIGHT KEEPING STRONG AND GUSTY WINDS ACROSS THE ADVISORY AREA. IAZ004>006-015-016-023-024-033-034-100600- /O.CON.KDMX.WI.Y.0014.000000T0000Z-121210T0600Z/ EMMET-KOSSUTH-WINNEBAGO-PALO ALTO-HANCOCK-POCAHONTAS-HUMBOLDT-SAC- CALHOUN- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... EMMETSBURG...GARNER...POCAHONTAS...HUMBOLDT...SAC CITY... ROCKWELL CITY 902 PM CST SUN DEC 9 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * TIMING...STRONG GUSTY WINDS WILL PERSIST LATE THIS EVENING BEFORE GRADUALLY DIMINISHING SHORTLY AFTER MIDNIGHT. * WINDS...NORTHWEST WINDS OF 25 TO 35 MPH GUSTING TO 40 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF AT LEAST 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ SMALL
717 WWUS73 KDMX 100549 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1149 PM CST SUN DEC 9 2012 IAZ004>006-015-016-023-024-033-034-100700- /O.EXP.KDMX.WI.Y.0014.000000T0000Z-121210T0600Z/ EMMET-KOSSUTH-WINNEBAGO-PALO ALTO-HANCOCK-POCAHONTAS-HUMBOLDT-SAC- CALHOUN- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... EMMETSBURG...GARNER...POCAHONTAS...HUMBOLDT...SAC CITY... ROCKWELL CITY 1149 PM CST SUN DEC 9 2012 ...WIND ADVISORY WILL EXPIRE AT MIDNIGHT CST TONIGHT... GUSTY NORTHWEST WINDS WILL CONTINUE OVERNIGHT BUT GRADUALLY DIMINISH AND REMAIN BELOW ADVISORY CRITERIA. SUSTAINED SPEEDS SHOULD MAINLY BE 25 MPH OR LESS WITH GUSTS LESS THAN 35 MPH. $$ SMALL
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 9, 5:31 PM CST | Winter Weather Advisory | DMX | Black Hawk, Bremer, Butler, Cerro Gordo, Franklin, Grundy and 1 more | 3 hr |
Nearby
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.