Alert archive / Iowa / Wind Advisories in 2012
Wind Advisory 13, NWS Des Moines, IA
NWS Des Moines, IA issued this wind advisory at Nov 21, 2012, 3:23 PM CST for 13 counties in Iowa. It took effect at Nov 22, 2012, 12:00 PM CST. It was in force for 21 hr.
The area
The counties it named.
The facts
- Issued
- Nov 21, 2012, 3:23 PM CST (21:23 UTC)
- In effect from
- Nov 22, 2012, 12:00 PM CST
- Expired
- Nov 23, 2012, 9:00 AM CST
- In force
- 21 hr
- Issued by
- NWS Des Moines, IA
Counties Calhoun County, IA, Cerro Gordo County, IA, Emmet 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), 138 km from the middle of the area, began a volume at 21:23 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, 9.4 hours before the alert went out and 219 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
- 1777 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 141 m²/s²
- 0-3 km storm-relative helicity
- 237 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
810 WWUS73 KDMX 212123 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 323 PM CST WED NOV 21 2012 ...GUSTY NORTHWEST WINDS WILL DEVELOP THURSDAY AFTERNOON... .A COLD FRONT WILL PASS THROUGH THE AREA THURSDAY AFTERNOON AND WILL BRING STRONG AND GUSTY NORTHWEST WINDS TO NORTHERN IOWA. THE BOUNDARY WILL BE FOLLOWED BY ANOTHER PUSH OF COLD AIR THURSDAY NIGHT AND ANOTHER ROUND OF STRONG WINDS. IAZ004>007-015>017-023>025-033>035-220530- /O.NEW.KDMX.WI.Y.0013.121122T1800Z-121123T1200Z/ 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 323 PM CST WED NOV 21 2012 ...WIND ADVISORY IN EFFECT FROM NOON THURSDAY TO 6 AM CST FRIDAY... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM NOON THURSDAY TO 6 AM CST FRIDAY. * TIMING...THE WIND WILL SWITCH TO THE NORTHWEST AND INCREASE THURSDAY AFTERNOON. THE WIND WILL DIMINISH DURING THE EVENING YET REMAIN BREEZY. THE WIND WILL INCREASE AGAIN BY LATE EVENING AND LAST THE REMAINDER OF THE NIGHT. * WINDS...NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO NEAR 45 ARE EXPECTED. 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. && $$
7 follow-up statements
281 WWUS73 KDMX 220404 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1004 PM CST WED NOV 21 2012 ...GUSTY NORTHWEST WINDS WILL DEVELOP THURSDAY AFTERNOON... .A COLD FRONT WILL PASS THROUGH THE AREA THURSDAY AFTERNOON AND WILL BRING STRONG AND GUSTY NORTHWEST WINDS TO NORTHERN IOWA. THE BOUNDARY WILL BE FOLLOWED BY ANOTHER PUSH OF COLD AIR THURSDAY NIGHT AND ANOTHER ROUND OF STRONG WINDS. IAZ004>007-015>017-023>025-033>035-221100- /O.CON.KDMX.WI.Y.0013.121122T1800Z-121123T1200Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...SAC CITY...ROCKWELL CITY...FORT DODGE 1004 PM CST WED NOV 21 2012 ...WIND ADVISORY REMAINS IN EFFECT FROM NOON THURSDAY TO 6 AM CST FRIDAY... * TIMING...THE WIND WILL SWITCH TO THE NORTHWEST AND INCREASE THURSDAY AFTERNOON. THE WIND WILL DIMINISH DURING THE EVENING YET REMAIN BREEZY. THE WIND WILL INCREASE AGAIN BY LATE EVENING AND LAST THE REMAINDER OF THE NIGHT. * WINDS...NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO NEAR 45 ARE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ SMALL
260 WWUS73 KDMX 220937 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 337 AM CST THU NOV 22 2012 ...GUSTY NORTHWEST WINDS WILL DEVELOP THIS AFTERNOON... .A COLD FRONT WILL PASS THROUGH THE AREA LATE THIS AFTERNOON AND WILL BRING STRONG AND GUSTY NORTHWEST WINDS TO NORTHERN IOWA. THE BOUNDARY WILL BE FOLLOWED BY ANOTHER PUSH OF COLD AIR TONIGHT WITH ANOTHER ROUND OF STRONG WINDS DURING THE OVERNIGHT HOURS. IAZ004>007-015>017-023>025-033>035-221745- /O.CON.KDMX.WI.Y.0013.121122T1800Z-121123T1200Z/ 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 337 AM CST THU NOV 22 2012 ...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 6 AM CST FRIDAY... * TIMING...THE WIND WILL SWITCH TO THE NORTHWEST AND INCREASE THIS AFTERNOON. THE WIND WILL DIMINISH DURING THE EVENING YET REMAIN BREEZY. THE WIND WILL INCREASE AGAIN BY LATE EVENING AND LAST THE REMAINDER OF THE NIGHT. * WINDS...NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO NEAR 45 ARE EXPECTED. 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. && $$ REV
721 WWUS73 KDMX 221705 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1105 AM CST THU NOV 22 2012 ...GUSTY NORTHWEST WINDS WILL DEVELOP THIS AFTERNOON... .A COLD FRONT WILL PASS THROUGH THE AREA LATE THIS AFTERNOON BRINGING STRONG AND GUSTY NORTHWEST WINDS. THE FRONT WILL BE FOLLOWED BY ANOTHER PUSH OF COLD AIR TONIGHT WHICH WILL KEEP WINDS STRONG EVEN DURING THE OVERNIGHT HOURS. IAZ004>007-015>017-023>025-033>035-230115- /O.CON.KDMX.WI.Y.0013.121122T1800Z-121123T1200Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...SAC CITY...ROCKWELL CITY...FORT DODGE 1105 AM CST THU NOV 22 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST FRIDAY... * TIMING...WINDS WILL TURN TO THE NORTHWEST AND INCREASE THIS AFTERNOON. WINDS WILL DIMINISH SLIGHTLY DURING THE EVENING YET REMAIN BREEZY...THEN INCREASE AGAIN BY LATE EVENING AND PERSIST OVERNIGHT. * WINDS...NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO NEAR 45 MPH ARE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ LEE
145 WWUS73 KDMX 222155 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 355 PM CST THU NOV 22 2012 ...GUSTY NORTHWEST WINDS WILL PERSIST THROUGH TONIGHT... .NORTHWEST WINDS HAVE INCREASED SUBSTANTIALLY BEHIND A COLD FRONT THIS AFTERNOON. A SECOND PUSH OF COLD AIR LATER TONIGHT WILL HELP THE WINDS REMAIN STRONG THROUGH TONIGHT. IAZ004>007-015>017-023>025-033>035-230600- /O.CON.KDMX.WI.Y.0013.000000T0000Z-121123T1200Z/ 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 355 PM CST THU NOV 22 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST FRIDAY... * SHORT TERM TRENDS...WINDY CONDITIONS WILL PERSIST BUT SPEEDS AND GUSTS WILL DIMINISH SLIGHTLY WITH SUNSET AND DURING THE EVENING HOURS. THE WINDS WILL THEN INCREASE AGAIN BY MIDNIGHT AND REMAIN STRONG THROUGH FRIDAY MORNING. * WINDS...NORTHWEST WINDS WILL RANGE FROM 25 TO 35 MPH...WITH GUSTS TO NEAR 45 MPH AT TIMES. 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. && $$ LEE
918 WWUS73 KDMX 230248 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 848 PM CST THU NOV 22 2012 ...GUSTY NORTHWEST WINDS WILL PERSIST OVERNIGHT... .NORTHWEST WINDS INCREASED BEHIND A COLD FRONT EARLIER TODAY. A SECOND PUSH OF COLD AIR EARLY FRIDAY MORNING WILL ALSO HELP THE WINDS REMAIN STRONG. IAZ004>007-015>017-023>025-033>035-231100- /O.CON.KDMX.WI.Y.0013.000000T0000Z-121123T1200Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...SAC CITY...ROCKWELL CITY...FORT DODGE 848 PM CST THU NOV 22 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST FRIDAY... * SHORT TERM TRENDS...WINDY CONDITIONS WILL PERSIST LATE THIS EVENING BUT INCREASE SLIGHTLY AGAIN AROUND MIDNIGHT AND REMAIN STRONG INTO FRIDAY MORNING. * WINDS...NORTHWEST WINDS WILL RANGE FROM 25 TO 35 MPH...WITH GUSTS TO NEAR 45 MPH AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF AT LEAST 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ SMALL
620 WWUS73 KDMX 230910 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 310 AM CST FRI NOV 23 2012 ...GUSTY NORTHWEST WINDS WILL PERSIST THROUGH MID MORNING... .A SECOND PUSH OF COLD AIR EARLY THIS MORNING KEEP THE WINDS STRONG NORTH AND ESPECIALLY ALONG THE IOWA AND MINNESOTA BORDER. IAZ004>007-015>017-231500- /O.EXT.KDMX.WI.Y.0013.000000T0000Z-121123T1500Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY 310 AM CST FRI NOV 23 2012 ...WIND ADVISORY NOW IN EFFECT UNTIL 9 AM CST THIS MORNING... * SHORT TERM TRENDS...WINDY CONDITIONS WILL PERSIST AND REMAIN STRONG UNTIL MID MORNING TODAY. AFTER 9 AM THE WINDS WILL GRADUALLY DIMINISH THROUGH THE AFTERNOON HOURS. * WINDS...NORTHWEST WINDS WILL RANGE FROM 25 TO 35 MPH...WITH GUSTS TO NEAR 45 MPH AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF AT LEAST 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ IAZ023>025-033>035-231200- /O.CON.KDMX.WI.Y.0013.000000T0000Z-121123T1200Z/ POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER- INCLUDING THE CITIES OF...POCAHONTAS...HUMBOLDT...CLARION... SAC CITY...ROCKWELL CITY...FORT DODGE 310 AM CST FRI NOV 23 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING... * SHORT TERM TRENDS...WINDY CONDITIONS WILL PERSIST THROUGH EARLY MORNING AND THEN GRADUALLY DIMINISH THROUGH THE REMAINDER OF TODAY. * WINDS...NORTHWEST WINDS WILL RANGE FROM 25 TO 35 MPH...WITH GUSTS TO NEAR 45 MPH AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF AT LEAST 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ REV
548 WWUS73 KDMX 231149 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 549 AM CST FRI NOV 23 2012 ...GUSTY NORTHWEST WINDS WILL PERSIST THROUGH MID MORNING... .A SECOND PUSH OF COLD AIR EARLY THIS MORNING KEEP THE WINDS STRONG NORTH AND ESPECIALLY ALONG THE IOWA AND MINNESOTA BORDER. IAZ023>025-033>035-231300- /O.EXP.KDMX.WI.Y.0013.000000T0000Z-121123T1200Z/ POCAHONTAS-HUMBOLDT-WRIGHT-SAC-CALHOUN-WEBSTER- INCLUDING THE CITIES OF...POCAHONTAS...HUMBOLDT...CLARION... SAC CITY...ROCKWELL CITY...FORT DODGE 549 AM CST FRI NOV 23 2012 ...WIND ADVISORY WILL EXPIRE AT 6 AM CST EARLY THIS MORNING... WINDS CONTINUE TO DIMINISH SLOWLY AROSS THE ADVISORY AREA EARLY TODAY. THEREFORE THE ADVISORY WILL BE ALLOWED TO EXPIRE AT THESE LOCATIONS. GUSTY WINDS TO 30 TO 35 MPH CAN BE EXPECTED AT TIMES THROUGH MID MORNING THIS FRIDAY. $$ IAZ004>007-015>017-231500- /O.CON.KDMX.WI.Y.0013.000000T0000Z-121123T1500Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY 549 AM CST FRI NOV 23 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... * SHORT TERM TRENDS...WINDY CONDITIONS WILL PERSIST AND REMAIN STRONG UNTIL MID MORNING TODAY. AFTER 9 AM THE WINDS WILL GRADUALLY DIMINISH THROUGH THE AFTERNOON HOURS. * WINDS...NORTHWEST WINDS WILL RANGE FROM 25 TO 35 MPH...WITH GUSTS TO NEAR 45 MPH AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF AT LEAST 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ REV
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 20, 7:26 PM CST | Dense Fog Advisory | DMX | Appanoose, Black Hawk, Bremer, Butler, Davis, Grundy and 8 more | 12 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.