Alert archive / Iowa / Wind Advisories in 2011
Wind Advisory 8, NWS Des Moines, IA
NWS Des Moines, IA issued this wind advisory at Jun 7, 2011, 4:05 AM CDT for 19 counties in Iowa. It took effect at Jun 7, 2011, 1:00 PM CDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Jun 7, 2011, 4:05 AM CDT (09:05 UTC)
- In effect from
- Jun 7, 2011, 1:00 PM CDT
- Expired
- Jun 7, 2011, 7:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Des Moines, IA
Counties Audubon County, IA, Calhoun County, IA, Carroll County, IA, Cass County, IA, Cerro Gordo County, IA, Crawford County, IA, Emmet County, IA, Greene County, IA, Guthrie County, IA, Hancock County, IA, Humboldt County, IA, Kossuth County, IA, Palo Alto County, IA, Pocahontas County, IA, Sac County, IA, Webster County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA
The radar
The Des Moines radar (KDMX), 108 km from the middle of the area, began a volume at 09:07 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 216 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
- 29 J/kg
- Mixed-layer CIN
- -216 J/kg
- Mixed-layer LCL
- 3673 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -39 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
199 WWUS73 KDMX 070905 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 405 AM CDT TUE JUN 7 2011 ...STRONG WINDS TO DEVELOP OVER WESTERN IOWA THIS AFTERNOON... .LOW PRESSURE OVER THE WESTERN PLAINS WILL DEEPEN AS IT MOVES INTO THE EASTERN DAKOTAS BY LATE AFTERNOON. THIS WILL ALLOW WINDS ALOFT TO INCREASE IN SPEED AND THEN INCREASE GUSTS AT THE SURFACE TO NEAR 45 MPH BY MID TO LATE AFTERNOON. THE WINDS WILL BEGIN TO SUBSIDE IN THE EVENING HOURS. IAZ004>007-015>017-023>025-033>035-044>046-057-058-070-071715- /O.NEW.KDMX.WI.Y.0008.110607T1800Z-110608T0000Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER-CRAWFORD-CARROLL- GREENE-AUDUBON-GUTHRIE-CASS- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...SAC CITY...ROCKWELL CITY...FORT DODGE... DENISON...CARROLL...JEFFERSON...AUDUBON...GUTHRIE CENTER... ATLANTIC 405 AM CDT TUE JUN 7 2011 ...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT THIS EVENING. * TIMING...WINDS WILL BE BRISK FOR MUCH OF THE LATE MORNING AND BECOME STRONG BETWEEN 3 AND 6 PM THIS AFTERNOON. THE WINDS SHOULD DIMINISH BETWEEN 6 AND 8 PM THIS EVENING. * WINDS...SOUTHWEST WINDS OF 15 TO 25 MPH THIS MORNING WILL GRADUALLY INCREASE TO 20 TO 30 WITH GUSTS TO NEAR 45 MPH DURING THE LATE AFTERNOON AND EARLY EVENING. * IMPACTS...LOOSE OBJECTS MAY BE EASILY BLOWN AROUND. HIGH PROFILE VEHICLES WILL BE AFFECTED...ESPECIALLY ON EAST WEST ROADS AND INTERSTATES DURING THE AFTERNOON AND EVENING HOURS. 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. && $$ REV
3 follow-up statements
655 WWUS73 KDMX 071624 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1124 AM CDT TUE JUN 7 2011 .LOW PRESSURE OVER SOUTH DAKOTA WILL DEEPEN AS IT MOVES INTO WESTERN MINNESOTA BY THIS EVENING. THIS WILL ALLOW WINDS TO INCREASE IN SPEED INTO THE AFTERNOON WITH GUSTS TO NEAR 45 MPH BY MID TO LATE AFTERNOON. THE WINDS WILL BEGIN TO SUBSIDE IN THE EVENING HOURS. IAZ004>007-015>017-023>025-033>035-044>046-057-058-070-080000- /O.CON.KDMX.WI.Y.0008.110607T1800Z-110608T0000Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER-CRAWFORD-CARROLL- GREENE-AUDUBON-GUTHRIE-CASS- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...SAC CITY...ROCKWELL CITY...FORT DODGE... DENISON...CARROLL...JEFFERSON...AUDUBON...GUTHRIE CENTER... ATLANTIC 1124 AM CDT TUE JUN 7 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * TIMING...GUSTY SOUTHWEST WINDS WILL STRENGTHEN THIS AFTERNOON WITH THE STRONGEST WINDS BETWEEN 3 AND 6 PM. THE WINDS SHOULD DIMINISH BETWEEN 6 AND 8 PM THIS EVENING. * WINDS...SOUTHWEST WINDS OF 20 TO 30 MPH WILL CONTINUE THROUGH THE AFTERNOON WITH GUSTS OF 45 MPH EXPECTED DURING THE LATE AFTERNOON AND EARLY EVENING HOURS. * IMPACTS...LOOSE OBJECTS MAY BE EASILY BLOWN AROUND. HIGH PROFILE VEHICLES WILL BE AFFECTED...ESPECIALLY ON EAST WEST ROADS AND INTERSTATES DURING THE AFTERNOON AND EVENING HOURS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH ARE EXPECTED OR WIND GUSTS FREQUENTLY REACH 45 MPH OR MORE. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
476 WWUS73 KDMX 072036 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 336 PM CDT TUE JUN 7 2011 .LOW PRESSURE OVER SOUTHEAST NORTH DAKOTA WILL CONTINUE TO DEEPEN AS IT MOVES INTO NORTHERN MINNESOTA THIS EVENING. GUSTY WINDS WILL DIMINISH TOWARD SUNSET THIS EVENING. IAZ004>007-015>017-023>025-033>035-044>046-057-058-070-080000- /O.CON.KDMX.WI.Y.0008.000000T0000Z-110608T0000Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER-CRAWFORD-CARROLL- GREENE-AUDUBON-GUTHRIE-CASS- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...SAC CITY...ROCKWELL CITY...FORT DODGE... DENISON...CARROLL...JEFFERSON...AUDUBON...GUTHRIE CENTER... ATLANTIC 336 PM CDT TUE JUN 7 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * TIMING...GUSTY SOUTHWEST WINDS WILL CONTINUE THROUGH THE LATE AFTERNOON WITH THE STRONGEST WINDS BEFORE 6 PM. WINDS ARE EXPECTED TO DIMINISH BETWEEN 6 AND 8 PM THIS EVENING. * WINDS...SOUTHWEST WINDS OF 25 TO 35 MPH WILL CONTINUE THROUGH THE AFTERNOON WITH GUSTS ABOVE 50 DURING THE LATE AFTERNOON AND EARLY EVENING HOURS. * IMPACTS...LOOSE OBJECTS MAY BE EASILY BLOWN AROUND. HIGH PROFILE VEHICLES WILL BE AFFECTED...ESPECIALLY ON EAST WEST ROADS AND INTERSTATES DURING THE LATE AFTERNOON AND EVENING HOURS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH ARE EXPECTED OR WIND GUSTS FREQUENTLY REACH 45 MPH OR MORE. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
987 WWUS73 KDMX 080003 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 703 PM CDT TUE JUN 7 2011 IAZ004>007-015>017-023>025-033>035-044>046-057-058-070-080115- /O.EXP.KDMX.WI.Y.0008.000000T0000Z-110608T0000Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER-CRAWFORD-CARROLL- GREENE-AUDUBON-GUTHRIE-CASS- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...SAC CITY...ROCKWELL CITY...FORT DODGE... DENISON...CARROLL...JEFFERSON...AUDUBON...GUTHRIE CENTER... ATLANTIC 703 PM CDT TUE JUN 7 2011 ...WIND ADVISORY HAS EXPIRED... THE GUSTY SOUTHERLY WINDS WILL CONTINUE TO DIMINISH THIS EVENING ACROSS THE AREA. $$
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.