Alert archive / Iowa / Wind Advisories in 2011
Wind Advisory 13, NWS Des Moines, IA
NWS Des Moines, IA issued this wind advisory at Nov 15, 2011, 3:25 AM CST for 27 counties in Iowa. It took effect at Nov 15, 2011, 12:00 PM CST. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Nov 15, 2011, 3:25 AM CST (09:25 UTC)
- In effect from
- Nov 15, 2011, 12:00 PM CST
- Expired
- Nov 15, 2011, 5:19 PM CST
- In force
- 5 hr
- Issued by
- NWS Des Moines, IA
All 27 counties
Black Hawk County, IA, Boone County, IA, Bremer County, IA, Butler County, IA, Calhoun County, IA, Carroll County, IA, Cerro Gordo County, IA, Crawford County, IA, Emmet County, IA, Franklin County, IA, Greene County, IA, Grundy County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Humboldt County, IA, Kossuth County, IA, Marshall County, IA, Palo Alto County, IA, Pocahontas County, IA, Sac County, IA, Story County, IA, Tama County, IA, Webster County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA
The radar
The Des Moines radar (KDMX), 97 km from the middle of the area, began a volume at 09:28 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 00:00Z, 9.4 hours before the alert went out and 251 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
- 2610 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
318 WWUS73 KDMX 150925 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 325 AM CST TUE NOV 15 2011 ...STRONG AND GUSTY WINDS ACROSS NORTHERN AND CENTRAL IOWA TUESDAY... .A COLD FRONT WILL PUSH ACROSS THE STATE TUESDAY...WITH WINDS BEHIND THE FRONT SHIFTING TO THE WEST TO NORTHWEST. WINDS WILL BE STRONG AND GUSTY IN THE AFTERNOON HOURS...ESPECIALLY IN THE NORTH. IAZ004>007-015>017-023>028-033>039-044>050-151730- /O.NEW.KDMX.WI.Y.0013.111115T1700Z-111115T2300Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE- BOONE-STORY-MARSHALL-TAMA- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO...DENISON...CARROLL...JEFFERSON... BOONE...AMES...MARSHALLTOWN...TOLEDO 325 AM CST TUE NOV 15 2011 ...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 5 PM CST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 5 PM CST THIS AFTERNOON. * TIMING...WINDS AND GUSTS WILL INCREASE THROUGHOUT THE MORNING HOURS...WITH STRONGEST WINDS AND GUSTS EXPECTED IN THE EARLY TO MID AFTERNOON HOURS. WINDS WILL DIMINISH TOWARDS SUNSET. * WINDS...WILL BE FROM THE WEST TO NORTHWEST. SUSTAINED WINDS WILL BE BETWEEN 20 TO 30 MPH. GUSTS WILL BE BETWEEN 40 TO 45MPH...WITH THE HIGHEST WINDS AND GUSTS EXPECTED IN THE NORTH. A FEW WIND GUSTS HIGHER THAN 45 MPH WILL BE POSSIBLE. * IMPACTS...LIGHTER WEIGHT AND UNSECURED OUTDOOR OBJECTS MAY BE WIND BLOWN. DRIVING MAY BE DIFFICULT...ESPECIALLY CONTROLLING HIGH PROFILE VEHICLES...ESPECIALLY ALONG NORTH TO SOUTH ROADS. FIRES MAY QUICKLY SPREAD AND BECOME UNCONTROLLED 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. USE EXTRA CAUTION. && $$ AWB
3 follow-up statements
607 WWUS73 KDMX 151606 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1006 AM CST TUE NOV 15 2011 ...STRONG AND GUSTY WINDS ACROSS PORTIONS OF NORTHERN AND CENTRAL IOWA THIS AFTERNOON... IAZ004>007-015>017-023>028-033>039-044>050-152300- /O.EXT.KDMX.WI.Y.0013.111115T1800Z-111115T2300Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE- BOONE-STORY-MARSHALL-TAMA- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO...DENISON...CARROLL...JEFFERSON... BOONE...AMES...MARSHALLTOWN...TOLEDO 1006 AM CST TUE NOV 15 2011 ...WIND ADVISORY NOW IN EFFECT UNTIL 5 PM CST THIS AFTERNOON... * TIMING...WINDS WILL INCREASE ACROSS NORTHWEST IOWA BY MIDDAY WITH THE STRONG WINDS SPREADING EASTWARD THROUGH THE AFTERNOON. THE WINDS WILL BE STRONGEST DURING THE MIDDLE AFTERNOON BEFORE SLOWLY DIMINISHING THIS EVENING. * WINDS...WEST TO NORTHWEST WINDS ARE EXPECTED DURING THE AFTERNOON. SUSTAINED WIND SPEED APPROACHING 30 MPH WILL BE COMMON WITH WIND GUSTS OF 40 TO 45 MPH WITH THE BEST THREAT OF HIGHER END GUSTS NEAR THE MINNESOTA BORDER. * IMPACTS...LIGHTER WEIGHT AND UNSECURED OUTDOOR OBJECTS MAY BE WIND BLOWN. DRIVING MAY BE DIFFICULT...ESPECIALLY CONTROLLING HIGH PROFILE VEHICLES...ESPECIALLY ALONG NORTH TO SOUTH ROADS. FIRES MAY QUICKLY SPREAD AND BECOME UNCONTROLLED AS WELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CC
632 WWUS73 KDMX 152117 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 317 PM CST TUE NOV 15 2011 ...STRONG AND GUSTY WINDS IN FAR NORTHERN IOWA... IAZ023>028-033>039-044>050-152230- /O.CAN.KDMX.WI.Y.0013.000000T0000Z-111115T2300Z/ POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE- BOONE-STORY-MARSHALL-TAMA- INCLUDING THE CITIES OF...POCAHONTAS...HUMBOLDT...CLARION... HAMPTON...ALLISON...WAVERLY...SAC CITY...ROCKWELL CITY... FORT DODGE...WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO... DENISON...CARROLL...JEFFERSON...BOONE...AMES...MARSHALLTOWN... TOLEDO 317 PM CST TUE NOV 15 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE WIND ADVISORY. WEST TO NORTHWEST WINDS AT 10 TO 20 MPH WITH HIGHER GUSTS WILL OCCUR THROUGH EARLY EVENING...BUT VERY STRONG WINDS ARE NOT ANTICIPATED. $$ IAZ004>007-015>017-160000- /O.EXT.KDMX.WI.Y.0013.000000T0000Z-111116T0000Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY 317 PM CST TUE NOV 15 2011 ...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS EVENING... * TIMING...WINDS WILL PERSIST THROUGH LATE AFTERNOON AND THEN SLOWLY DIMINISH THIS EVENING. * WINDS...WEST TO NORTHWEST WINDS AT 25 TO 30 MPH ARE EXPECTED THROUGH LATE AFTERNOON WITH GUSTS OF 40 TO 45 MPH. * IMPACTS...LIGHTER WEIGHT AND UNSECURED OUTDOOR OBJECTS MAY BE WIND BLOWN. DRIVING MAY BE DIFFICULT...ESPECIALLY CONTROLLING HIGH PROFILE VEHICLES...ESPECIALLY ALONG NORTH TO SOUTH ROADS. FIRES MAY QUICKLY SPREAD AND BECOME UNCONTROLLED AS WELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH ARE EXPECTED OR WIND GUSTS OF AT LEAST 45 MPH. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CC
904 WWUS73 KDMX 152319 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 519 PM CST TUE NOV 15 2011 ...WINDS HAVE DIMINISHED ACROSS NORTHERN IOWA... IAZ004>007-015>017-160030- /O.CAN.KDMX.WI.Y.0013.000000T0000Z-111116T0000Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY 519 PM CST TUE NOV 15 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE WIND ADVISORY. THE GUSTY NORTHWEST WINDS HAVE DIMINISHED ACROSS NORTHERN IOWA WITH THE SUN SETTING EARLY THIS EVENING. THERE STILL WILL BE SOME GUSTS TO NEAR 25 MPH THROUGH THE REMAINDER OF THE EVENING...BUT BELOW WIND ADVISORY CRITERIA. $$
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.