Alert archive / Iowa / Wind Advisories in 2011
Wind Advisory 14, NWS Des Moines, IA
NWS Des Moines, IA issued this wind advisory at Nov 25, 2011, 3:31 PM CST for 31 counties in Iowa. It took effect at Nov 26, 2011, 12:00 PM CST. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Nov 25, 2011, 3:31 PM CST (21:31 UTC)
- In effect from
- Nov 26, 2011, 12:00 PM CST
- Expired
- Nov 26, 2011, 9:00 PM CST
- In force
- 9 hr
- Issued by
- NWS Des Moines, IA
All 31 counties
Adair County, IA, Adams County, IA, Audubon County, IA, Boone 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, 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, 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), 69 km from the middle of the area, began a volume at 21:34 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, 9.5 hours before the alert went out and 206 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
- 1036 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 181 m²/s²
- 0-3 km storm-relative helicity
- 281 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
485 WWUS73 KDMX 252131 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 331 PM CST FRI NOV 25 2011 .LOW PRESSURE OVER SOUTHEAST SOUTH DAKOTA WILL MOVE NORTHEAST TO NORTHERN WISCONSIN BY SATURDAY MORNING. A COLD FRONT EXTENDING SOUTH FROM THE LOW INTO WESTERN KANSAS WILL MOVE THROUGH IOWA BY SUNRISE SATURDAY. STRONG NORTHWEST WINDS AND COLDER TEMPERATURES WILL FOLLOW. IAZ004>007-015>017-023>026-033>037-044>048-057>060-070>072-081- 082-092-260530- /O.NEW.KDMX.WI.Y.0014.111126T1600Z-111127T0600Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-SAC-CALHOUN-WEBSTER-HAMILTON- HARDIN-CRAWFORD-CARROLL-GREENE-BOONE-STORY-AUDUBON-GUTHRIE-DALLAS- POLK-CASS-ADAIR-MADISON-ADAMS-UNION-TAYLOR- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...SAC CITY...ROCKWELL CITY... FORT DODGE...WEBSTER CITY...ELDORA...DENISON...CARROLL... JEFFERSON...BOONE...AMES...AUDUBON...GUTHRIE CENTER...ADEL... DES MOINES...ATLANTIC...GREENFIELD...WINTERSET...CORNING... CRESTON...BEDFORD 331 PM CST FRI NOV 25 2011 ...WIND ADVISORY IN EFFECT FROM 10 AM SATURDAY TO MIDNIGHT CST SATURDAY NIGHT... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 10 AM SATURDAY TO MIDNIGHT CST SATURDAY NIGHT. * TIMING...WINDS WILL INCREASE OVER WESTERN IOWA AFTER SUNRISE SATURDAY AND REACH WIND ADVISORY CRITERIA FROM 1000 AM THROUGH MIDNIGHT SATURDAY. * WINDS...NORTHWEST WINDS OF 25 TO 35 MPH ARE EXPECTED WITH GUSTS TO AROUND 45 MPH. * IMPACTS...THE WINDS MAY BREAK SMALL BRANCHES. SMALL OBJECTS MAY BE BLOWN ABOUT. WIND GUSTS MAY MAKE DIFFICULT DRIVING CONDITIONS...ESPECIALLY FOR SMALL OR HIGH PROFILE VEHICLES. 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. && $$
5 follow-up statements
391 WWUS73 KDMX 260252 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 852 PM CST FRI NOV 25 2011 .LOW PRESSURE OVER WESTERN IOWA WILL MOVE NORTHEAST TO NORTHERN WISCONSIN BY SATURDAY MORNING. A COLD FRONT EXTENDING SOUTH FROM THE LOW INTO WESTERN KANSAS WILL MOVE THROUGH IOWA BY MIDDAY SATURDAY. STRONG NORTHWEST WINDS AND COLDER TEMPERATURES WILL FOLLOW. IAZ004>007-015>017-023>026-033>037-044>048-057>060-070>072-081- 082-092-261100- /O.CON.KDMX.WI.Y.0014.111126T1600Z-111127T0600Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-SAC-CALHOUN-WEBSTER-HAMILTON- HARDIN-CRAWFORD-CARROLL-GREENE-BOONE-STORY-AUDUBON-GUTHRIE-DALLAS- POLK-CASS-ADAIR-MADISON-ADAMS-UNION-TAYLOR- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...SAC CITY...ROCKWELL CITY... FORT DODGE...WEBSTER CITY...ELDORA...DENISON...CARROLL... JEFFERSON...BOONE...AMES...AUDUBON...GUTHRIE CENTER...ADEL... DES MOINES...ATLANTIC...GREENFIELD...WINTERSET...CORNING... CRESTON...BEDFORD 852 PM CST FRI NOV 25 2011 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM SATURDAY TO MIDNIGHT CST SATURDAY NIGHT... * TIMING...WINDS WILL INCREASE OVER WESTERN IOWA AFTER SUNRISE AND REACH WIND ADVISORY CRITERIA FROM 1000 AM THROUGH MIDNIGHT SATURDAY. * WINDS...NORTHWEST WINDS OF 25 TO 35 MPH ARE EXPECTED WITH GUSTS TO AROUND 45 MPH. * IMPACTS...THE WINDS MAY BREAK SMALL BRANCHES. SMALL OBJECTS MAY BE BLOWN ABOUT. WIND GUSTS MAY MAKE DIFFICULT DRIVING CONDITIONS...ESPECIALLY FOR SMALL OR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ REV
203 WWUS73 KDMX 260945 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 345 AM CST SAT NOV 26 2011 .A COLD FRONT WILL SWING THROUGH IOWA THIS MORNING AND BRING STRONG NORTHWEST WINDS AND COLDER TEMPERATURES TO THE STATE. AN ADDITIONAL BOUNDARY WILL ARRIVE OVER WESTERN IOWA LATE THIS AFTERNOON AND PASS THROUGH THE REMAINDER OF THE STATE THIS EVENING. THE SECOND BOUNDARY WILL BE ASSOCIATED WITH THE STRONGEST WINDS WITH THIS SYSTEM. IAZ004>007-015>017-023>026-033>037-044>048-057>060-070>072-081- 082-092-261745- /O.EXT.KDMX.WI.Y.0014.111126T1800Z-111127T0600Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-SAC-CALHOUN-WEBSTER-HAMILTON- HARDIN-CRAWFORD-CARROLL-GREENE-BOONE-STORY-AUDUBON-GUTHRIE-DALLAS- POLK-CASS-ADAIR-MADISON-ADAMS-UNION-TAYLOR- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...SAC CITY...ROCKWELL CITY... FORT DODGE...WEBSTER CITY...ELDORA...DENISON...CARROLL... JEFFERSON...BOONE...AMES...AUDUBON...GUTHRIE CENTER...ADEL... DES MOINES...ATLANTIC...GREENFIELD...WINTERSET...CORNING... CRESTON...BEDFORD 345 AM CST SAT NOV 26 2011 ...WIND ADVISORY NOW IN EFFECT FROM NOON TODAY TO MIDNIGHT CST TONIGHT... * TIMING...GUSTY NORTHWEST WINDS OF 15 TO 30 MPH WITH GUSTS NEAR 35 MPH ARE POSSIBLE THROUGH MID AFTERNOON BEFORE INCREASING FURTHER AFTER 3 PM. * WINDS...NORTHWEST WINDS WILL INCREASE TO 25 TO 35 MPH WITH GUSTS TO AROUND 45 MPH AFTER 3 PM TODAY. 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. && $$
650 WWUS73 KDMX 261654 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1054 AM CST SAT NOV 26 2011 .A COLD FRONT APPROACHING THE MISSISSIPPI RIVER WILL BRING STRONG NORTHWEST WINDS AND COLDER TEMPERATURES TO THE STATE. AN ADDITIONAL BOUNDARY WILL ARRIVE OVER WESTERN IOWA LATE THIS AFTERNOON AND PASS THROUGH THE REMAINDER OF THE STATE THIS EVENING. THE SECOND BOUNDARY WILL BE ASSOCIATED WITH THE STRONGEST WINDS WITH THIS SYSTEM. IAZ004>007-015>017-023>026-033>037-044>048-057>060-070>072-081- 082-092-262200- /O.CON.KDMX.WI.Y.0014.111126T1800Z-111127T0600Z/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-SAC-CALHOUN-WEBSTER-HAMILTON- HARDIN-CRAWFORD-CARROLL-GREENE-BOONE-STORY-AUDUBON-GUTHRIE-DALLAS- POLK-CASS-ADAIR-MADISON-ADAMS-UNION-TAYLOR- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...SAC CITY...ROCKWELL CITY... FORT DODGE...WEBSTER CITY...ELDORA...DENISON...CARROLL... JEFFERSON...BOONE...AMES...AUDUBON...GUTHRIE CENTER...ADEL... DES MOINES...ATLANTIC...GREENFIELD...WINTERSET...CORNING... CRESTON...BEDFORD 1054 AM CST SAT NOV 26 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * TIMING...GUSTY NORTHWEST WINDS OF 15 TO 30 MPH WITH GUSTS NEAR 35 MPH ARE POSSIBLE THROUGH MID AFTERNOON BEFORE INCREASING FURTHER AFTER 3 PM. * WINDS...NORTHWEST WINDS WILL INCREASE TO 25 TO 35 MPH WITH GUSTS TO AROUND 45 MPH AFTER 3 PM TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ SMALL
968 WWUS73 KDMX 262152 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 352 PM CST SAT NOV 26 2011 .A COLD FRONT EXITING THE MISSISSIPPI RIVER WILL BRING STRONG NORTHWEST WINDS AND COLDER TEMPERATURES TO THE STATE THIS EVENING. THE AREAL COVERAGE AND MAGNITUDE OF THOSE WINDS IS NOW LESS THAN PREVIOUSLY ANTICIPATED HOWEVER...SO THE ADVISORY WILL NOW END AT 900 PM AND BE RELEGATED TO WESTERN IOWA. IAZ005>007-016-017-024>026-035>037-046>048-058>060-071-072-081- 082-092-262300- /O.CAN.KDMX.WI.Y.0014.000000T0000Z-111127T0600Z/ KOSSUTH-WINNEBAGO-WORTH-HANCOCK-CERRO GORDO-HUMBOLDT-WRIGHT- FRANKLIN-WEBSTER-HAMILTON-HARDIN-GREENE-BOONE-STORY-GUTHRIE- DALLAS-POLK-ADAIR-MADISON-ADAMS-UNION-TAYLOR- INCLUDING THE CITIES OF...ALGONA...FOREST CITY...NORTHWOOD... GARNER...MASON CITY...HUMBOLDT...CLARION...HAMPTON...FORT DODGE... WEBSTER CITY...ELDORA...JEFFERSON...BOONE...AMES... GUTHRIE CENTER...ADEL...DES MOINES...GREENFIELD...WINTERSET... CORNING...CRESTON...BEDFORD 352 PM CST SAT NOV 26 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE WIND ADVISORY. ALTHOUGH BRISK NORTHWEST WINDS WILL CONTINUE INTO THE EARLY EVENING HOURS...WINDS WILL PRIMARILY BE BELOW ADVISORY CRITERIA. SUSTAINED SPEEDS SHOULD BE 30 MPH OR LESS. $$ IAZ004-015-023-033-034-044-045-057-070-270300- /O.EXT.KDMX.WI.Y.0014.000000T0000Z-111127T0300Z/ EMMET-PALO ALTO-POCAHONTAS-SAC-CALHOUN-CRAWFORD-CARROLL-AUDUBON- CASS- INCLUDING THE CITIES OF...ESTHERVILLE...EMMETSBURG...POCAHONTAS... SAC CITY...ROCKWELL CITY...DENISON...CARROLL...AUDUBON...ATLANTIC 352 PM CST SAT NOV 26 2011 ...WIND ADVISORY NOW IN EFFECT UNTIL 9 PM CST THIS EVENING... * TIMING...GUSTY NORTHWEST WINDS WILL CONTINUE INTO THE EARLY EVENING HOURS BEFORE DIMINISHING TO BELOW ADVISORY CRITERIA BY 900 PM. * WINDS...NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO AROUND 40 MPH ARE POSSIBLE EARLY THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 30 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ SMALL
011 WWUS73 KDMX 270248 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 848 PM CST SAT NOV 26 2011 ...WINDY CONDITIONS CONTINUE TO DIMINISH... .STRONG WINDS OVER THE REGION CONTINUE TO SLOWLY DECREASE THIS EVENING. IAZ004-015-023-033-034-044-045-057-070-270400- /O.EXP.KDMX.WI.Y.0014.000000T0000Z-111127T0300Z/ EMMET-PALO ALTO-POCAHONTAS-SAC-CALHOUN-CRAWFORD-CARROLL-AUDUBON- CASS- INCLUDING THE CITIES OF...ESTHERVILLE...EMMETSBURG...POCAHONTAS... SAC CITY...ROCKWELL CITY...DENISON...CARROLL...AUDUBON...ATLANTIC 848 PM CST SAT NOV 26 2011 ...WIND ADVISORY WILL EXPIRE AT 9 PM CST THIS EVENING... GUSTY WINDS NEARING 45 MPH AT TIMES THIS EVENING ARE BEGINNING TO SLOWLY DIMINISH. OVER THE NEXT SEVERAL HOURS...SUSTAINED WINDS MAY STILL REACH TO NEAR 30 MPH AND GUSTS TO NEAR 40 MPH...BUT SHOULD REMAIN BELOW WIND ADVISORY CRITERIA. THEREFORE...THE WIND ADVISORY WILL BE ALLOWED TO EXPIRE AT 9 PM CST. $$ REV
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.