Alert archive / Iowa / Wind Advisories in 2011
Wind Advisory 15, NWS Des Moines, IA
NWS Des Moines, IA issued this wind advisory at Dec 26, 2011, 3:54 AM CST for 7 counties in Iowa. It took effect at Dec 26, 2011, 10:00 AM CST. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Dec 26, 2011, 3:54 AM CST (09:54 UTC)
- In effect from
- Dec 26, 2011, 10:00 AM CST
- Expired
- Dec 26, 2011, 3:00 PM CST
- In force
- 5 hr
- Issued by
- NWS Des Moines, IA
Counties Cerro Gordo County, IA, Emmet County, IA, Hancock County, IA, Kossuth County, IA, Palo Alto County, IA, Winnebago County, IA, Worth County, IA
The radar
The Des Moines radar (KDMX), 167 km from the middle of the area, began a volume at 09:52 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 00:00Z, 9.9 hours before the alert went out and 183 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
- 1549 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
646 WWUS73 KDMX 260954 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 354 AM CST MON DEC 26 2011 ...VERY STRONG WINDS ACROSS NORTHERN IOWA TODAY... IAZ004>007-015>017-261800- /O.NEW.KDMX.WI.Y.0015.111226T1600Z-111226T2100Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY 354 AM CST MON DEC 26 2011 ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 3 PM CST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 3 PM CST THIS AFTERNOON. * TIMING...WINDS WILL INCREASE DURING THE MORNING HOURS REACHING THEIR PEAK INTENSITY EARLY IN THE AFTERNOON BEFORE SLACKENING THROUGH MID TO LATE AFTERNOON. * WINDS...THE WINDS WILL BE STRONG FROM THE SOUTHWEST AND WILL BE SUSTAINED FROM 25 TO 30 MPH BY MIDDAY. GUSTS APPROACHING 45 MPH ARE ALSO EXPECTED DURING THIS TIME BEFORE GRADUALLY WEAKENING INTO THE LATE AFTERNOON. 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. && $$ CC
2 follow-up statements
725 WWUS73 KDMX 261629 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1029 AM CST MON DEC 26 2011 ...VERY STRONG WINDS ACROSS NORTHERN IOWA TODAY... IAZ004>007-015>017-262100- /O.CON.KDMX.WI.Y.0015.000000T0000Z-111226T2100Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY 1029 AM CST MON DEC 26 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... * TIMING...WINDS SPEEDS WILL REACH PEAK INTENSITY EARLY IN THE AFTERNOON...BEFORE SLACKENING IN THE MID TO LATE AFTERNOON. * WINDS...SUSTAINED SOUTHWEST WINDS WILL BE FROM 25 TO 30 MPH THROUGH EARLY AFTERNOON. GUSTS APPROACHING 45 MPH ARE ALSO EXPECTED DURING THIS TIME BEFORE GRADUALLY WEAKENING INTO THE LATE AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ JUNGBLUTH
105 WWUS73 KDMX 262052 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 252 PM CST MON DEC 26 2011 IAZ004>007-015>017-262200- /O.EXP.KDMX.WI.Y.0015.000000T0000Z-111226T2100Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY 252 PM CST MON DEC 26 2011 ...WIND ADVISORY WILL EXPIRE AT 3 PM CST THIS AFTERNOON... WINDS WILL CONTINUE TO DIMINISH ACROSS NORTHERN IOWA FOR THE REMAINDER OF THE AFTERNOON. SUSTAINED WINDS OF 25 MPH WITH GUSTS AROUND 40 MPH CAN BE EXPECTED IN SOME LOCATIONS THROUGH 5 PM...AND WINDS WILL DROP EVEN FURTHER AFTER THAT TIME. THEREFORE...THE WIND ADVISORY WILL BE ALLOWED TO EXPIRE AT 3 PM. $$ JUNGBLUTH
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.