Alert archive / Iowa / Wind Advisories in 2012
Wind Advisory 10, NWS Des Moines, IA
NWS Des Moines, IA issued this wind advisory at Apr 27, 2012, 10:43 AM CDT for 38 counties in Iowa. It took effect at Apr 27, 2012, 11:00 AM CDT. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Apr 27, 2012, 10:43 AM CDT (15:43 UTC)
- In effect from
- Apr 27, 2012, 11:00 AM CDT
- Expired
- Apr 27, 2012, 9:02 PM CDT
- In force
- 10 hr
- Issued by
- NWS Des Moines, IA
All 38 counties
Adair County, IA, Adams County, IA, Audubon County, IA, Black Hawk County, IA, Boone County, IA, Bremer County, IA, Butler 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, Grundy County, IA, Guthrie County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Humboldt County, IA, Kossuth County, IA, Madison County, IA, Marshall County, IA, Palo Alto County, IA, Pocahontas County, IA, Polk County, IA, Ringgold County, IA, Sac County, IA, Story County, IA, Tama 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), 58 km from the middle of the area, began a volume at 15:44 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 12:00Z, 3.7 hours before the alert went out and 224 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
- 1405 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 221 m²/s²
- 0-3 km storm-relative helicity
- 482 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
060 WWUS73 KDMX 271543 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1043 AM CDT FRI APR 27 2012 ...WINDY CONDITIONS ACROSS WESTERN IOWA TODAY... .AS A LOW PRESSURE SYSTEM MOVES EASTWARD ACROSS KANSAS TODAY...WINDS ACROSS WESTERN IOWA WILL REACH SPEEDS OF AROUND 30 MPH WITH GUSTS TO NEAR 45 MPH AT TIMES. IAZ004-005-015-016-023>025-033>036-044>047-057>059-070>072-081- 082-092-093-272300- /O.NEW.KDMX.WI.Y.0010.120427T1600Z-120427T2300Z/ EMMET-KOSSUTH-PALO ALTO-HANCOCK-POCAHONTAS-HUMBOLDT-WRIGHT-SAC- CALHOUN-WEBSTER-HAMILTON-CRAWFORD-CARROLL-GREENE-BOONE-AUDUBON- GUTHRIE-DALLAS-CASS-ADAIR-MADISON-ADAMS-UNION-TAYLOR-RINGGOLD- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...EMMETSBURG... GARNER...POCAHONTAS...HUMBOLDT...CLARION...SAC CITY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...DENISON...CARROLL... JEFFERSON...BOONE...AUDUBON...GUTHRIE CENTER...ADEL...ATLANTIC... GREENFIELD...WINTERSET...CORNING...CRESTON...BEDFORD...MOUNT AYR 1043 AM CDT FRI APR 27 2012 ...WIND ADVISORY IN EFFECT UNTIL 6 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CDT THIS EVENING. * WINDS...EAST SOUTHEAST WINDS OF AROUND 30 MPH ARE EXPECTED...WITH GUSTS TO 40 TO 45 MPH AT TIMES. * IMPACTS...STRONG AND GUSTY WINDS WILL CAUSE LOOSE OBJECTS TO BLOW AROUND...AND POSSIBLY SMALL BRANCHES TO COME DOWN. IT WILL ALSO MAKE DRIVING DIFFICULT ESPECIALLY ON NORTH SOUTH ROADS. 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. && $$ LEE
2 follow-up statements
850 WWUS73 KDMX 272041 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 341 PM CDT FRI APR 27 2012 ...STRONG AND GUSTY WINDS EXPECTED THROUGH THIS EVENING... .A STRENGTHENING LOW PRESSURE SYSTEM WILL APPROACH FROM THE SOUTHWEST THIS EVENING...MAINTAINING A STRONG PRESSURE GRADIENT THAT WILL RESULT IN PERSISTENTLY STRONG AND GUSTY WINDS ACROSS THE AREA UNTIL AFTER DARK. WINDS AND GUSTS WILL BE PARTICULARLY HIGH IN AND NEAR SHOWERS AND THUNDERSTORMS. IAZ006-007-017-026>028-037>039-048>050-060-280300- /O.EXB.KDMX.WI.Y.0010.000000T0000Z-120428T0300Z/ WINNEBAGO-WORTH-CERRO GORDO-FRANKLIN-BUTLER-BREMER-HARDIN-GRUNDY- BLACK HAWK-STORY-MARSHALL-TAMA-POLK- INCLUDING THE CITIES OF...FOREST CITY...NORTHWOOD...MASON CITY... HAMPTON...ALLISON...WAVERLY...ELDORA...GRUNDY CENTER...WATERLOO... AMES...MARSHALLTOWN...TOLEDO...DES MOINES 341 PM CDT FRI APR 27 2012 ...WIND ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 10 PM CDT THIS EVENING. * WINDS...EAST SOUTHEAST WINDS OF AROUND 30 MPH ARE EXPECTED... WITH GUSTS TO 40 TO 45 MPH AT TIMES. WINDS WILL BE STRONGER IN AND NEAR SHOWERS AND THUNDERSTORMS WHERE GUSTS IN EXCESS OF 50 MPH ARE POSSIBLE. * IMPACTS...STRONG AND GUSTY WINDS WILL CAUSE LOOSE OBJECTS TO BLOW AROUND...AND POSSIBLY SMALL BRANCHES TO COME DOWN. IN ADDITION...MANY FIELDS ARE STILL BARE AND THE WINDS WILL LIFT LARGE AMOUNTS OF DUST IN SOME AREAS. THE COMBINATION OF GUSTY CROSSWINDS AND LOCALLY REDUCED VISIBILITY WILL MAKE DRIVING DIFFICULT...ESPECIALLY ON NORTH SOUTH ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ IAZ004-005-015-016-023>025-033>036-044>047-057>059-070>072-081- 082-092-093-280300- /O.EXT.KDMX.WI.Y.0010.000000T0000Z-120428T0300Z/ EMMET-KOSSUTH-PALO ALTO-HANCOCK-POCAHONTAS-HUMBOLDT-WRIGHT-SAC- CALHOUN-WEBSTER-HAMILTON-CRAWFORD-CARROLL-GREENE-BOONE-AUDUBON- GUTHRIE-DALLAS-CASS-ADAIR-MADISON-ADAMS-UNION-TAYLOR-RINGGOLD- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...EMMETSBURG... GARNER...POCAHONTAS...HUMBOLDT...CLARION...SAC CITY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...DENISON...CARROLL... JEFFERSON...BOONE...AUDUBON...GUTHRIE CENTER...ADEL...ATLANTIC... GREENFIELD...WINTERSET...CORNING...CRESTON...BEDFORD...MOUNT AYR 341 PM CDT FRI APR 27 2012 ...WIND ADVISORY NOW IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WINDS...EAST SOUTHEAST WINDS OF AROUND 30 MPH ARE EXPECTED... WITH GUSTS TO 40 TO 45 MPH AT TIMES. WINDS WILL BE STRONGER IN AND NEAR SHOWERS AND THUNDERSTORMS WHERE GUSTS IN EXCESS OF 50 MPH ARE POSSIBLE. * IMPACTS...STRONG AND GUSTY WINDS WILL CAUSE LOOSE OBJECTS TO BLOW AROUND...AND POSSIBLY SMALL BRANCHES TO COME DOWN. IN ADDITION...MANY FIELDS ARE STILL BARE AND THE WINDS WILL LIFT LARGE AMOUNTS OF DUST IN SOME AREAS. THE COMBINATION OF GUSTY CROSSWINDS AND LOCALLY REDUCED VISIBILITY WILL MAKE DRIVING DIFFICULT...ESPECIALLY ON NORTH SOUTH ROADS. 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. && $$ LEE
416 WWUS73 KDMX 280202 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 902 PM CDT FRI APR 27 2012 IAZ004>007-015>017-023>028-033>039-044>050-057>060-070>072-081- 082-092-093-280315- /O.CAN.KDMX.WI.Y.0010.000000T0000Z-120428T0300Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE- BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR- MADISON-ADAMS-UNION-TAYLOR-RINGGOLD- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO...DENISON...CARROLL...JEFFERSON... BOONE...AMES...MARSHALLTOWN...TOLEDO...AUDUBON...GUTHRIE CENTER... ADEL...DES MOINES...ATLANTIC...GREENFIELD...WINTERSET...CORNING... CRESTON...BEDFORD...MOUNT AYR 902 PM CDT FRI APR 27 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE WIND ADVISORY. WIDESPREAD STRONG WINDS SUSTAINED ABOVE 30 MPH AND GUSTS IN EXCESS OF 45 MPH ARE NO LONGER EXPECTED. HOWEVER...LOCALIZED GUSTS MAY EXCEED 45 MPH IN AND AROUND THUNDERSTORMS. $$ CC
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.