Alert archive / Iowa / Wind Advisories in 2011
Wind Advisory 11, NWS Des Moines, IA
NWS Des Moines, IA issued this wind advisory at Oct 7, 2011, 4:08 AM CDT for 28 counties in Iowa. It took effect at Oct 7, 2011, 10:00 AM CDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Oct 7, 2011, 4:08 AM CDT (09:08 UTC)
- In effect from
- Oct 7, 2011, 10:00 AM CDT
- Expired
- Oct 7, 2011, 7:00 PM CDT
- In force
- 9 hr
- Issued by
- NWS Des Moines, IA
All 28 counties
Adair County, IA, Adams County, IA, Audubon County, IA, Boone County, IA, Calhoun County, IA, Carroll County, IA, Cass County, IA, Cerro Gordo County, IA, Crawford County, IA, Dallas County, IA, Emmet County, IA, Franklin County, IA, Greene County, IA, Guthrie County, IA, Hamilton County, IA, Hancock County, IA, Humboldt County, IA, Kossuth County, IA, Madison County, IA, Palo Alto County, IA, Pocahontas County, IA, Sac County, IA, Taylor County, IA, Union County, IA, Webster County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA
The radar
The Des Moines radar (KDMX), 75 km from the middle of the area, began a volume at 09:06 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 00:00Z, 9.1 hours before the alert went out and 201 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
- 2834 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 414 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
193 WWUS73 KDMX 070908 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 408 AM CDT FRI OCT 7 2011 ...POTENT SOUTH WINDS TO AFFECT NORTHERN IOWA TODAY... .A DEEP TROUGH OF LOW PRESSURE LOCATED OVER THE NORTHERN ROCKIES AND THE CENTRAL TO NORTHERN PLAINS COMBINED WITH A STRONG RIDGE OF HIGH PRESSURE TO THE EAST...WILL LEAD TO VIGOROUS SOUTH WINDS THROUGHOUT THE DAY TODAY. IAZ004>007-015>017-023>025-033>035-071715- /O.NEW.KDMX.WI.Y.0011.111007T1500Z-111008T0000Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...SAC CITY...ROCKWELL CITY...FORT DODGE 408 AM CDT FRI OCT 7 2011 ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT THIS EVENING. * TIMING...WINDS WILL BEGIN TO INCREASE MID TO LATE THIS MORNING...WITH THE HIGHEST GUSTS EXPECTED BY THE AFTERNOON HOURS. * WINDS...SUSTAINED SOUTH WINDS OF 25 TO 35 MPH WITH GUSTS TO NEAR 50 MPH CAN BE EXPECTED. * IMPACTS...VERY STRONG AND GUSTY WINDS CAN MAKE TRAVELING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES DRIVING EAST TO WEST WITH THE INTENSE CROSSWIND. IN ADDITION...THE COMBINATION OF THE EXTREMELY DRY CONDITIONS LATELY AND THE STOUT SOUTHERLY WINDS WILL LEAD TO THE POTENTIAL FOR HAZARDOUS FIRE ENVIRONMENTS TODAY. 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. && $$ PODRAZIK
4 follow-up statements
857 WWUS73 KDMX 071458 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 958 AM CDT FRI OCT 7 2011 ...STRONG AND GUSTY WINDS TO AFFECT NORTHERN IOWA TODAY... .A DEEP TROUGH OF LOW PRESSURE LOCATED OVER THE NORTHERN ROCKIES AND THE CENTRAL TO NORTHERN PLAINS COMBINED WITH A STRONG RIDGE OF HIGH PRESSURE TO THE EAST...WILL LEAD TO VIGOROUS SOUTHERLY WINDS THROUGHOUT THE DAY TODAY. IAZ004>007-015>017-023>025-033>035-072300- /O.CON.KDMX.WI.Y.0011.111007T1500Z-111008T0000Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...SAC CITY...ROCKWELL CITY...FORT DODGE 958 AM CDT FRI OCT 7 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * TIMING...WINDS WILL CONTINUE TO INCREASE THROUGH MIDDAY WITH THE HIGHEST GUSTS EXPECTED DURING THE AFTERNOON HOURS. * WINDS...SUSTAINED SOUTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO NEAR 50 MPH CAN BE EXPECTED. * IMPACTS...VERY STRONG AND GUSTY WINDS CAN MAKE TRAVELING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES DRIVING ON EAST WEST ROADS WITH THE INTENSE CROSSWIND. IN ADDITION...THE COMBINATION OF EXTREMELY DRY CONDITIONS AND THE STOUT SOUTHERLY WINDS WILL LEAD TO HAZARDOUS FIRE CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
230 WWUS73 KDMX 071618 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1118 AM CDT FRI OCT 7 2011 ...STRONG AND GUSTY WINDS TO AFFECT WESTERN IOWA TODAY... .A DEEP TROUGH OF LOW PRESSURE LOCATED OVER THE NORTHERN ROCKIES AND THE CENTRAL TO NORTHERN PLAINS COMBINED WITH A STRONG RIDGE OF HIGH PRESSURE TO THE EAST...WILL LEAD TO VIGOROUS SOUTHERLY WINDS THROUGHOUT THE DAY TODAY. IAZ026-036-044>047-057>059-070>072-081-082-092-080000- /O.EXA.KDMX.WI.Y.0011.000000T0000Z-111008T0000Z/ FRANKLIN-HAMILTON-CRAWFORD-CARROLL-GREENE-BOONE-AUDUBON-GUTHRIE- DALLAS-CASS-ADAIR-MADISON-ADAMS-UNION-TAYLOR- INCLUDING THE CITIES OF...HAMPTON...WEBSTER CITY...DENISON... CARROLL...JEFFERSON...BOONE...AUDUBON...GUTHRIE CENTER...ADEL... ATLANTIC...GREENFIELD...WINTERSET...CORNING...CRESTON...BEDFORD 1118 AM CDT FRI OCT 7 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 TO INCREASE THROUGH MIDDAY WITH THE HIGHEST GUSTS EXPECTED DURING THE AFTERNOON HOURS. * WINDS...SUSTAINED SOUTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO NEAR 50 MPH CAN BE EXPECTED. * IMPACTS...VERY STRONG AND GUSTY WINDS CAN MAKE TRAVELING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES DRIVING ON EAST WEST ROADS WITH THE INTENSE CROSSWIND. IN ADDITION...THE COMBINATION OF EXTREMELY DRY CONDITIONS AND THE STOUT SOUTHERLY WINDS WILL LEAD TO HAZARDOUS FIRE CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH WITH GUSTS OF 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ IAZ004>007-015>017-023>025-033>035-080000- /O.CON.KDMX.WI.Y.0011.000000T0000Z-111008T0000Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...SAC CITY...ROCKWELL CITY...FORT DODGE 1118 AM CDT FRI OCT 7 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * TIMING...WINDS WILL CONTINUE TO INCREASE THROUGH MIDDAY WITH THE HIGHEST GUSTS EXPECTED DURING THE AFTERNOON HOURS. * WINDS...SUSTAINED SOUTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO NEAR 50 MPH CAN BE EXPECTED. * IMPACTS...VERY STRONG AND GUSTY WINDS CAN MAKE TRAVELING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES DRIVING ON EAST WEST ROADS WITH THE INTENSE CROSSWIND. IN ADDITION...THE COMBINATION OF EXTREMELY DRY CONDITIONS AND THE STOUT SOUTHERLY WINDS WILL LEAD TO HAZARDOUS FIRE CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH WITH GUSTS OF 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
981 WWUS73 KDMX 072025 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 325 PM CDT FRI OCT 7 2011 ...STRONG WINDS AFFECTING WESTERN IOWA LATE THIS AFTERNOON... .A DEEP TROUGH OF LOW PRESSURE LOCATED OVER THE NORTHERN ROCKIES AND THE CENTRAL TO NORTHERN PLAINS...COMBINED WITH A STRONG RIDGE OF HIGH PRESSURE TO THE EAST...IS LEADING TO VIGOROUS SOUTHERLY WINDS TODAY. THE WINDS WILL SLOWLY DIMINISH LATER THIS EVENING. IAZ004>007-015>017-023>026-033>036-044>047-057>059-070>072-081- 082-092-080000- /O.CON.KDMX.WI.Y.0011.000000T0000Z-111008T0000Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-SAC-CALHOUN-WEBSTER-HAMILTON- CRAWFORD-CARROLL-GREENE-BOONE-AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR- MADISON-ADAMS-UNION-TAYLOR- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...SAC CITY...ROCKWELL CITY... FORT DODGE...WEBSTER CITY...DENISON...CARROLL...JEFFERSON... BOONE...AUDUBON...GUTHRIE CENTER...ADEL...ATLANTIC...GREENFIELD... WINTERSET...CORNING...CRESTON...BEDFORD 325 PM CDT FRI OCT 7 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * TIMING...WINDS AND GUSTS WILL SLOWLY DIMINISH LATER THIS EVENING AROUND AND AFTER SUNSET...BUT REMAIN BRISK OVERNIGHT AND SATURDAY. * WINDS...SUSTAINED SOUTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO NEAR 45 MPH ARE OCCURRING AND WILL PERSIST UNTIL SHORTLY BEFORE SUNSET. * IMPACTS...VERY STRONG AND GUSTY WINDS CAN MAKE TRAVELING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES DRIVING ON EAST WEST ROADS WITH THE INTENSE CROSSWIND. IN ADDITION...THE COMBINATION OF EXTREMELY DRY CONDITIONS AND THE STOUT SOUTHERLY WINDS WILL LEAD TO HAZARDOUS FIRE CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH WITH GUSTS OF 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ LEE
823 WWUS73 KDMX 080008 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 708 PM CDT FRI OCT 7 2011 ...WIND ADVISORY HAS EXPIRED... IAZ004>007-015>017-023>026-033>036-044>047-057>059-070>072-081- 082-092-080115- /O.EXP.KDMX.WI.Y.0011.000000T0000Z-111008T0000Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-SAC-CALHOUN-WEBSTER-HAMILTON- CRAWFORD-CARROLL-GREENE-BOONE-AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR- MADISON-ADAMS-UNION-TAYLOR- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...SAC CITY...ROCKWELL CITY... FORT DODGE...WEBSTER CITY...DENISON...CARROLL...JEFFERSON... BOONE...AUDUBON...GUTHRIE CENTER...ADEL...ATLANTIC...GREENFIELD... WINTERSET...CORNING...CRESTON...BEDFORD 708 PM CDT FRI OCT 7 2011 ...WIND ADVISORY HAS EXPIRED... THE WIND ADVISORY HAS EXPIRED. WINDS WILL REMAIN BREEZY THROUGHOUT THE OVERNIGHT...BUT WILL REMAIN BELOW ADVISORY CRITERIA. $$ AWB
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.