Alert archive / Iowa / Wind Advisories in 2012
Wind Advisory 11, NWS Des Moines, IA
NWS Des Moines, IA issued this wind advisory at May 23, 2012, 10:39 AM CDT for 36 counties in Iowa. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- May 23, 2012, 10:39 AM CDT (15:39 UTC)
- Expired
- May 23, 2012, 7:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Des Moines, IA
All 36 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, Palo Alto County, IA, Pocahontas County, IA, Polk County, IA, Ringgold County, IA, Sac County, IA, Story 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), 61 km from the middle of the area, began a volume at 15:45 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 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
- 1627 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 271 m²/s²
- 0-3 km storm-relative helicity
- 363 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
299 WWUS73 KDMX 231539 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1039 AM CDT WED MAY 23 2012 .SOUTHERLY FLOW WILL PICK UP AHEAD OF A LOW PRESSURE SYSTEM SITUATED OFF TO THE WEST NORTHWEST OF THE CWA...WITH A TIGHTENED SURFACE PRESSURE GRADIENT ALREADY IN PLACE CREATING WINDY CONDITIONS. AS STRONGER WINDS MIX DOWN FROM ALOFT THROUGH THE LATE MORNING AND AFTERNOON HOURS...SOUTHERLY WINDS ARE EXPECTED TO REACH ADVISORY CRITERIA. IAZ004>007-015>017-023>028-033>039-044>048-057>060-070>072-081- 082-092-093-240000- /O.NEW.KDMX.WI.Y.0011.120523T1539Z-120524T0000Z/ 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-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...AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES... ATLANTIC...GREENFIELD...WINTERSET...CORNING...CRESTON...BEDFORD... MOUNT AYR 1039 AM CDT WED MAY 23 2012 ...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...STRONG AND GUSTY SOUTHERLY WINDS WILL INCREASE THROUGH THE LATE MORNING AND EARLY AFTERNOON HOURS. GUSTY WINDS WILL REMAIN ACROSS THE AREA THROUGH EARLY EVENING...BEFORE DIMINISHING. * WINDS...SOUTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH. * IMPACTS...STRONG AND GUSTY WINDS WILL CAUSE LOOSE OBJECTS TO BLOW AROUND...AND POSSIBLY SMALL BRANCHES TO COME DOWN. 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. && $$ MJB
3 follow-up statements
800 WWUS73 KDMX 231909 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 209 PM CDT WED MAY 23 2012 .STRONGER WINDS WILL CONTINUE TO MIX DOWN FROM ALOFT THROUGHOUT AFTERNOON HOURS...AND WINDS EXPECTED TO REMAIN GUSTY INTO EARLY EVENING. IAZ004>007-015>017-023>028-033>039-044>048-057>060-070>072-081- 082-092-093-240000- /O.CON.KDMX.WI.Y.0011.000000T0000Z-120524T0000Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE- BOONE-STORY-AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR-MADISON-ADAMS- UNION-TAYLOR-RINGGOLD- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO...DENISON...CARROLL...JEFFERSON... BOONE...AMES...AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES... ATLANTIC...GREENFIELD...WINTERSET...CORNING...CRESTON...BEDFORD... MOUNT AYR 209 PM CDT WED MAY 23 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WINDS...SOUTHEASTERLY TO SOUTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 TO 50 MPH CAN BE EXPECTED THROUGH EARLY EVENING. * IMPACTS...STRONG AND GUSTY WINDS WILL CAUSE LOOSE OBJECTS TO BLOW AROUND...AND POSSIBLY SMALL BRANCHES TO COME DOWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ MJB
129 WWUS73 KDMX 232046 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 346 PM CDT WED MAY 23 2012 IAZ004>007-015>017-023>028-033>039-044>048-057>060-070>072-081- 082-092-093-240000- /O.CON.KDMX.WI.Y.0011.000000T0000Z-120524T0000Z/ 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-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...AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES... ATLANTIC...GREENFIELD...WINTERSET...CORNING...CRESTON...BEDFORD... MOUNT AYR 346 PM CDT WED MAY 23 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WINDS...SOUTHEASTERLY TO SOUTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 TO 50 MPH CAN BE EXPECTED THROUGH EARLY EVENING. * IMPACTS...STRONG AND GUSTY WINDS WILL CAUSE LOOSE OBJECTS TO BLOW AROUND...AND POSSIBLY SMALL BRANCHES TO COME DOWN. 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. && $$ MJB
696 WWUS73 KDMX 240003 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 703 PM CDT WED MAY 23 2012 IAZ004>007-015>017-023>028-033>039-044>048-057>060-070>072-081- 082-092-093-240115- /O.EXP.KDMX.WI.Y.0011.000000T0000Z-120524T0000Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE- BOONE-STORY-AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR-MADISON-ADAMS- UNION-TAYLOR-RINGGOLD- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO...DENISON...CARROLL...JEFFERSON... BOONE...AMES...AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES... ATLANTIC...GREENFIELD...WINTERSET...CORNING...CRESTON...BEDFORD... MOUNT AYR 703 PM CDT WED MAY 23 2012 ...WIND ADVISORY WILL EXPIRE AT 7 PM CDT THIS EVENING... THE WIND WILL CONTINUE TO FALL BELOW ADVISORY CRITERIA THIS EVENING. $$
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 6:56 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 49 min |
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.