Alert archive / Iowa / Wind Advisories in 2012
Wind Advisory 8, NWS Des Moines, IA
NWS Des Moines, IA issued this wind advisory at Apr 13, 2012, 12:50 PM CDT for 11 counties in Iowa. It took effect at Apr 13, 2012, 1:00 PM CDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Apr 13, 2012, 12:50 PM CDT (17:50 UTC)
- In effect from
- Apr 13, 2012, 1:00 PM CDT
- Expired
- Apr 13, 2012, 6:28 PM CDT
- In force
- 5 hr
- Issued by
- NWS Des Moines, IA
Counties Bremer County, IA, Butler County, IA, Cerro Gordo County, IA, Emmet County, IA, Franklin County, IA, Hancock County, IA, Kossuth County, IA, Palo Alto County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA
The radar
The Des Moines radar (KDMX), 147 km from the middle of the area, began a volume at 17:47 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, 5.8 hours before the alert went out and 200 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
- 2224 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 175 m²/s²
- 0-3 km storm-relative helicity
- 245 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
353 WWUS73 KDMX 131750 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1250 PM CDT FRI APR 13 2012 ...STRONG WINDS ACROSS NORTHERN IOWA THIS AFTERNOON... .A TIGHT PRESSURE GRADIENT ACROSS NORTHERN IOWA WILL RESULT IN CONTINUED STRONG SOUTHEASTERLY WINDS ACROSS NORTHERN IOWA THIS AFTERNOON. WINDS SHOULD TAPER OFF THIS EVENING. IAZ004>007-015>017-025>028-140000- /O.NEW.KDMX.WI.Y.0008.120413T1800Z-120414T0000Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- WRIGHT-FRANKLIN-BUTLER-BREMER- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...CLARION... HAMPTON...ALLISON...WAVERLY 1250 PM CDT FRI APR 13 2012 ...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING. * TIMING...THE STRONG WINDS WILL CONTINUE THROUGH THIS AFTERNOON AND DIMINISH THIS EVENING. * WINDS...EXPECT SUSTAINED SOUTHEAST WINDS OF 30 TO 35 MPH WITH GUSTS APPROACHING 45 MPH. * IMPACTS...STRONG WINDS WILL MAKE TRAVEL DIFFICULT FOR HIGH PROFILE VEHICLES...ESPECIALLY ON EAST WEST ORIENTED ROADS. ANY SMALL LOOSE OBJECTS MAY BE BLOWN AROUND IF NOT STORED OR TIED DOWN. 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. && $$ KS
1 follow-up statement
681 WWUS73 KDMX 132328 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 628 PM CDT FRI APR 13 2012 ...WINDS OVER NORTHERN IOWA HAVE DIMINISHED... .THE STRONGER WINDS THAT HAD EARLIER EXISTED HAVE DIMINISHED. THE WIND ADVISORY HAS BEEN CANCELLED. IAZ004>007-015>017-025>028-140030- /O.CAN.KDMX.WI.Y.0008.000000T0000Z-120414T0000Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- WRIGHT-FRANKLIN-BUTLER-BREMER- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...CLARION... HAMPTON...ALLISON...WAVERLY 628 PM CDT FRI APR 13 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE WIND ADVISORY. SOUTHEAST WINDS WILL CONTINUE INTO THE EVENING HOURS AT 15 TO 25 MPH AT TIMES...BUT STRONGER WINDS ARE NO LONGER EXPECTED. $$ REV
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.