Alert archive / Iowa / Wind Advisories in 2011
Wind Advisory 5, NWS Des Moines, IA
NWS Des Moines, IA issued this wind advisory at Apr 15, 2011, 6:59 AM CDT for 21 counties in Iowa. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Apr 15, 2011, 6:59 AM CDT (11:59 UTC)
- Expired
- Apr 15, 2011, 3:37 PM CDT
- In force
- 9 hr
- Issued by
- NWS Des Moines, IA
All 21 counties
Black Hawk County, IA, Bremer County, IA, Butler County, IA, Cerro Gordo County, IA, Franklin County, IA, Grundy County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Jasper County, IA, Kossuth County, IA, Mahaska County, IA, Marion County, IA, Marshall County, IA, Poweshiek County, IA, Story County, IA, Tama County, IA, Wapello County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA
The radar
The Des Moines radar (KDMX), 89 km from the middle of the area, began a volume at 12:03 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
Davenport, (KDVN), launched 00:00Z, 12.0 hours before the alert went out and 231 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
- 1546 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 208 m²/s²
- 0-3 km storm-relative helicity
- 374 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
957 WWUS73 KDMX 151159 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 659 AM CDT FRI APR 15 2011 .DEEPENING LOW PRESSURE OVER NORTHEAST KANSAS INTO WEST CENTRAL MISSOURI WILL MOVE EAST ACROSS MISSOURI TODAY. STRONG EASTERLY WINDS WILL CONTINUE THROUGH THE DAY. IAZ005>007-016-017-025>028-036>039-048>050-061-062-152000- /O.NEW.KDMX.WI.Y.0005.110415T1200Z-110416T0000Z/ KOSSUTH-WINNEBAGO-WORTH-HANCOCK-CERRO GORDO-WRIGHT-FRANKLIN- BUTLER-BREMER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-STORY-MARSHALL- TAMA-JASPER-POWESHIEK- INCLUDING THE CITIES OF...ALGONA...FOREST CITY...NORTHWOOD... GARNER...MASON CITY...CLARION...HAMPTON...ALLISON...WAVERLY... WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...AMES... MARSHALLTOWN...TOLEDO...NEWTON...GRINNELL 659 AM CDT FRI APR 15 2011 ...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: WINDS WILL CONTINUE THIS MORNING WITH SOME INCREASE IN SPEED BY MID MORNING. THE WINDS ARE EXPECTED TO DIMINISH SLOWLY BY MID AFTERNOON. * WINDS: EAST WINDS OF 25 TO 35 MPH WITH GUST TO 45 MPH. * IMPACTS: LOSE OBJECTS MAY BE BLOWN AROUND BY THE GUSTY WINDS. SMALL BRANCHES MAY FALL FROM TREES AS WELL. 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. NORTH-SOUTH ROADS WILL BE ESPECIALLY DIFFICULT. USE EXTRA CAUTION. && $$
3 follow-up statements
741 WWUS73 KDMX 151350 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 850 AM CDT FRI APR 15 2011 .DEEPENING LOW PRESSURE OVER NORTHEAST KANSAS INTO WEST CENTRAL MISSOURI WILL MOVE EAST ACROSS MISSOURI TODAY. STRONG EASTERLY WINDS WILL CONTINUE THROUGH THE DAY. IAZ074-075-086-152200- /O.EXA.KDMX.WI.Y.0005.000000T0000Z-110416T0000Z/ MARION-MAHASKA-WAPELLO- INCLUDING THE CITIES OF...KNOXVILLE...OSKALOOSA...OTTUMWA 850 AM CDT FRI APR 15 2011 ...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING. * TIMING: STRONG WINDS WILL CONTINUE WITH SOME INCREASE IN SPEED BY MID MORNING. THE WINDS ARE EXPECTED TO DIMINISH SLOWLY BY MID AFTERNOON. * WINDS: EAST WINDS OF 25 TO 35 MPH WITH GUST TO 45 MPH. * IMPACTS: LOSE OBJECTS MAY BE BLOWN AROUND BY THE GUSTY WINDS. SMALL BRANCHES MAY FALL FROM TREES AS WELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. NORTH-SOUTH ROADS WILL BE ESPECIALLY DIFFICULT. USE EXTRA CAUTION. && $$ IAZ005>007-016-017-025>028-036>039-048>050-061-062-152200- /O.CON.KDMX.WI.Y.0005.000000T0000Z-110416T0000Z/ KOSSUTH-WINNEBAGO-WORTH-HANCOCK-CERRO GORDO-WRIGHT-FRANKLIN- BUTLER-BREMER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-STORY-MARSHALL- TAMA-JASPER-POWESHIEK- INCLUDING THE CITIES OF...ALGONA...FOREST CITY...NORTHWOOD... GARNER...MASON CITY...CLARION...HAMPTON...ALLISON...WAVERLY... WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...AMES... MARSHALLTOWN...TOLEDO...NEWTON...GRINNELL 850 AM CDT FRI APR 15 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. * TIMING: STRONG WINDS WILL CONTINUE WITH SOME INCREASE IN SPEED BY MID MORNING. THE WINDS ARE EXPECTED TO DIMINISH SLOWLY BY MID AFTERNOON. * WINDS: EAST WINDS OF 25 TO 35 MPH WITH GUST TO 45 MPH. * IMPACTS: LOSE OBJECTS MAY BE BLOWN AROUND BY THE GUSTY WINDS. SMALL BRANCHES MAY FALL FROM TREES AS WELL. 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. NORTH-SOUTH ROADS WILL BE ESPECIALLY DIFFICULT. USE EXTRA CAUTION. && $$ MJB
962 WWUS73 KDMX 151650 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1150 AM CDT FRI APR 15 2011 IAZ005>007-016-017-025>028-036>039-048>050-061-062-074-075-086- 160000- /O.CON.KDMX.WI.Y.0005.000000T0000Z-110416T0000Z/ KOSSUTH-WINNEBAGO-WORTH-HANCOCK-CERRO GORDO-WRIGHT-FRANKLIN- BUTLER-BREMER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-STORY-MARSHALL- TAMA-JASPER-POWESHIEK-MARION-MAHASKA-WAPELLO- INCLUDING THE CITIES OF...ALGONA...FOREST CITY...NORTHWOOD... GARNER...MASON CITY...CLARION...HAMPTON...ALLISON...WAVERLY... WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...AMES... MARSHALLTOWN...TOLEDO...NEWTON...GRINNELL...KNOXVILLE... OSKALOOSA...OTTUMWA 1150 AM CDT FRI APR 15 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. * TIMING: STRONG WINDS WILL CONTINUE ACROSS THE AREA THROUGH THE EARLY AFTERNOON HOURS. THE WINDS ARE EXPECTED TO DIMINISH SLOWLY BY MID TO LATE AFTERNOON. * WINDS: EAST WINDS OF 25 TO 35 MPH WITH GUST TO 45 MPH. * IMPACTS: LOSE OBJECTS MAY BE BLOWN AROUND BY THE GUSTY WINDS. SMALL BRANCHES MAY FALL FROM TREES AS WELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. NORTH-SOUTH ROADS WILL BE ESPECIALLY DIFFICULT. USE EXTRA CAUTION. && $$ MJB
278 WWUS73 KDMX 152037 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 337 PM CDT FRI APR 15 2011 IAZ005>007-016-017-025>028-036>039-048>050-061-062-074-075-086- 152145- /O.CAN.KDMX.WI.Y.0005.000000T0000Z-110416T0000Z/ KOSSUTH-WINNEBAGO-WORTH-HANCOCK-CERRO GORDO-WRIGHT-FRANKLIN- BUTLER-BREMER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-STORY-MARSHALL- TAMA-JASPER-POWESHIEK-MARION-MAHASKA-WAPELLO- INCLUDING THE CITIES OF...ALGONA...FOREST CITY...NORTHWOOD... GARNER...MASON CITY...CLARION...HAMPTON...ALLISON...WAVERLY... WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...AMES... MARSHALLTOWN...TOLEDO...NEWTON...GRINNELL...KNOXVILLE... OSKALOOSA...OTTUMWA 337 PM CDT FRI APR 15 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE WIND ADVISORY. EAST WINDS HAVE DECREASED TO BELOW ADVISORY CRITERIA...THEREFORE THE WIND ADVISORY HAS BEEN CANCELLED. HOWEVER EAST TO NORTHEAST WINDS AT 15 TO 25 MPH WITH HIGHER GUSTS WILL CONTINUE THROUGHOUT THE EVENING AND OVERNIGHT HOURS. $$ MJB
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.