Alert archive / Iowa / Wind Advisories in 2011
Wind Advisory 9, NWS Des Moines, IA
NWS Des Moines, IA issued this wind advisory at Jun 13, 2011, 11:48 AM CDT for 12 counties in Iowa. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Jun 13, 2011, 11:48 AM CDT (16:48 UTC)
- Expired
- Jun 13, 2011, 6:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Des Moines, IA
Counties Audubon County, IA, Boone County, IA, Carroll County, IA, Dallas County, IA, Greene County, IA, Guthrie County, IA, Jasper County, IA, Marshall County, IA, Polk County, IA, Poweshiek County, IA, Story County, IA, Tama County, IA
The radar
The Des Moines radar (KDMX), 15 km from the middle of the area, began a volume at 16:48 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
Omaha, NE (KOAX), launched 12:00Z, 4.8 hours before the alert went out and 228 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
- 529 J/kg
- Mixed-layer CIN
- -329 J/kg
- Mixed-layer LCL
- 727 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 193 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 7.4
The text
As transmitted, in the capitals the NWS used until 2016.
247 WWUS73 KDMX 131648 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1148 AM CDT MON JUN 13 2011 ...STRONG WINDS TO FOLLOW THUNDERSTORMS... .A COMPLEX OF THUNDERSTORMS MOVING ACROSS CENTRAL IOWA HAS PRODUCED A WAKE LOW OR LOW PRESSURE IN THE WAKE OF THE THUNDERSTORMS. THE WAKE LOW WILL PRODUCE EASTERLY WIND GUSTS OF 45 TO 55 MPH FOR A PERIOD OF ONE TO THREE HOURS FOLLOWING THE PASSAGE OF THE THUNDERSTORMS LATE THIS MORNING AND EARLY AFTERNOON. IAZ045>048-057>060-132000- /O.NEW.KDMX.WI.Y.0009.110613T1648Z-110613T2000Z/ CARROLL-GREENE-BOONE-STORY-AUDUBON-GUTHRIE-DALLAS-POLK- INCLUDING THE CITIES OF...CARROLL...JEFFERSON...BOONE...AMES... AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES 1148 AM CDT MON JUN 13 2011 ...WIND ADVISORY IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON. * WINDS...WINDS OF 45 TO 55 MPH WILL FOLLOW THE THUNDERSTORMS AS THEY PASS TO THE EAST THIS AFTERNOON. * IMPACTS...LOOSE OBJECTS WILL BE BLOWN AROUND. HIGH PROFILE VEHICLES TRAVELING ON NORTH SOUTH ROADS WILL EXPERIENCE DIFFICULTY DRIVING FOR SEVERAL HOURS LATE THIS MORNING AND EARLY 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. && $$ REV
3 follow-up statements
443 WWUS73 KDMX 131910 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 210 PM CDT MON JUN 13 2011 ...STRONG WINDS TO FOLLOW THUNDERSTORMS... .A COMPLEX OF THUNDERSTORMS MOVING ACROSS CENTRAL IOWA HAS PRODUCED A WAKE LOW OR LOW PRESSURE IN THE WAKE OF THE THUNDERSTORMS. THE WAKE LOW WILL PRODUCE EASTERLY WIND GUSTS OF 45 TO 55 MPH FOR A PERIOD OF ONE TO THREE HOURS FOLLOWING THE PASSAGE OF THE THUNDERSTORMS LATE THIS MORNING AND EARLY AFTERNOON. IAZ045-046-057-058-132015- /O.CAN.KDMX.WI.Y.0009.000000T0000Z-110613T2000Z/ CARROLL-GREENE-AUDUBON-GUTHRIE- INCLUDING THE CITIES OF...CARROLL...JEFFERSON...AUDUBON... GUTHRIE CENTER 210 PM CDT MON JUN 13 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE WIND ADVISORY. STRONG WINDS THAT HAVE BEEN PRESENT THE PAST FEW HOURS ARE BEGINNING TO DIMINISH. WINDS WILL STILL GUST TO NEAR 40 MPH AT TIMES THROUGH THE REMAINDER OF THE AFTERNOON HOURS. $$ IAZ049-050-061-062-132300- /O.EXB.KDMX.WI.Y.0009.000000T0000Z-110613T2300Z/ MARSHALL-TAMA-JASPER-POWESHIEK- INCLUDING THE CITIES OF...MARSHALLTOWN...TOLEDO...NEWTON... GRINNELL 210 PM CDT MON JUN 13 2011 ...WIND ADVISORY IN EFFECT UNTIL 6 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CDT THIS EVENING. * WINDS...WINDS OF 45 TO 55 MPH WILL FOLLOW THE THUNDERSTORMS AS THEY PASS TO THE EAST THIS AFTERNOON. * IMPACTS...LOOSE OBJECTS WILL BE BLOWN AROUND. HIGH PROFILE VEHICLES TRAVELING ON NORTH SOUTH ROADS WILL EXPERIENCE DIFFICULTY DRIVING FOR SEVERAL HOURS LATE THIS MORNING AND EARLY AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WIND GUSTS OF 45 TO 55 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ IAZ047-048-059-060-132300- /O.EXT.KDMX.WI.Y.0009.000000T0000Z-110613T2300Z/ BOONE-STORY-DALLAS-POLK- INCLUDING THE CITIES OF...BOONE...AMES...ADEL...DES MOINES 210 PM CDT MON JUN 13 2011 ...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM CDT THIS EVENING... * WINDS...WINDS OF 45 TO 55 MPH WILL FOLLOW THE THUNDERSTORMS AS THEY PASS TO THE EAST THIS AFTERNOON. THE WINDS WILL SLOWLY DIMINISH OVER THE NEXT FEW HOURS WEST OF INTERSTATE 35. * IMPACTS...LOOSE OBJECTS WILL BE BLOWN AROUND. HIGH PROFILE VEHICLES TRAVELING ON NORTH SOUTH ROADS WILL EXPERIENCE DIFFICULTY DRIVING FOR SEVERAL HOURS LATE THIS MORNING AND EARLY AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WIND GUSTS OF 45 TO 55 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ REV
350 WWUS73 KDMX 132031 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 331 PM CDT MON JUN 13 2011 ...STRONG WINDS TO FOLLOW THUNDERSTORMS... .A COMPLEX OF THUNDERSTORMS MOVING ACROSS CENTRAL IOWA HAS PRODUCED A WAKE LOW OR LOW PRESSURE IN THE WAKE OF THE THUNDERSTORMS. THE WAKE LOW WILL PRODUCE EASTERLY WIND GUSTS OF 40 TO 50 MPH FOR A PERIOD OF ONE TO THREE HOURS FOLLOWING THE PASSAGE OF THE THUNDERSTORMS LATE THIS MORNING AND EARLY AFTERNOON. IAZ047-048-059-060-132145- /O.CAN.KDMX.WI.Y.0009.000000T0000Z-110613T2300Z/ BOONE-STORY-DALLAS-POLK- INCLUDING THE CITIES OF...BOONE...AMES...ADEL...DES MOINES 331 PM CDT MON JUN 13 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE WIND ADVISORY. THE STRONG WINDS HAVE ENDED ACROSS THE REGION THIS AFTERNOON. WINDS MAY STILL GUST TO 30 TO 40 MPH AT TIMES EAST OF INTERSTATE 35 FOR THE NEXT HOUR. $$ IAZ049-050-061-062-132300- /O.CON.KDMX.WI.Y.0009.000000T0000Z-110613T2300Z/ MARSHALL-TAMA-JASPER-POWESHIEK- INCLUDING THE CITIES OF...MARSHALLTOWN...TOLEDO...NEWTON... GRINNELL 331 PM CDT MON JUN 13 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING... * WINDS...WINDS OF 40 TO 50 MPH WILL FOLLOW THE THUNDERSTORMS AS THEY PASS TO THE EAST THIS AFTERNOON. * IMPACTS...LOOSE OBJECTS WILL BE BLOWN AROUND. HIGH PROFILE VEHICLES TRAVELING ON NORTH SOUTH ROADS WILL EXPERIENCE DIFFICULTY DRIVING FOR SEVERAL HOURS LATE THIS MORNING AND EARLY AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WIND GUSTS OF 45 TO 55 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ REV
366 WWUS73 KDMX 132301 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 601 PM CDT MON JUN 13 2011 IAZ049-050-061-062-140015- /O.EXP.KDMX.WI.Y.0009.000000T0000Z-110613T2300Z/ MARSHALL-TAMA-JASPER-POWESHIEK- INCLUDING THE CITIES OF...MARSHALLTOWN...TOLEDO...NEWTON... GRINNELL 601 PM CDT MON JUN 13 2011 ...WIND ADVISORY WILL EXPIRE AT 6 PM CDT THIS EVENING... THE STRONG WINDS HAVE DIMINISHED ACROSS THE AREA...HOWEVER WINDS WILL REMAIN BREEZY WITH GUSTS TO AROUND 25 MPH THROUGH THE NEXT FEW HOURS. $$ MJB
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 11:09 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Greene | 36 min |
| Jun 13, 11:27 AM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Polk, Story | 33 min |
| Jun 13, 1:16 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Monroe | 44 min |
| Jun 13, 2:27 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 48 min |
| Jun 13, 3:32 PM CDT | Flash Flood Watch | DMX | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 18 more | 36 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.