Alert archive / Iowa / Wind Advisories in 2011
Wind Advisory 7, NWS Des Moines, IA
NWS Des Moines, IA issued this wind advisory at May 30, 2011, 3:41 AM CDT for 19 counties in Iowa. It took effect at May 30, 2011, 11:00 AM CDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- May 30, 2011, 3:41 AM CDT (08:41 UTC)
- In effect from
- May 30, 2011, 11:00 AM CDT
- Expired
- May 30, 2011, 7:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Des Moines, IA
Counties Adair County, IA, Adams County, IA, Audubon County, IA, Calhoun County, IA, Carroll County, IA, Cass County, IA, Crawford County, IA, Emmet County, IA, Greene County, IA, Guthrie County, IA, Humboldt County, IA, Kossuth County, IA, Palo Alto County, IA, Pocahontas County, IA, Ringgold County, IA, Sac County, IA, Taylor County, IA, Union County, IA, Webster County, IA
The radar
The Des Moines radar (KDMX), 80 km from the middle of the area, began a volume at 08:42 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 00:00Z, 8.7 hours before the alert went out and 164 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
- 3559 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 597 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 440 m²/s²
- 0-3 km storm-relative helicity
- 720 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 59.8
The text
As transmitted, in the capitals the NWS used until 2016.
087 WWUS73 KDMX 300841 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 341 AM CDT MON MAY 30 2011 IAZ004-005-015-023-024-033>035-044>046-057-058-070-071-081-082- 092-093-301645- /O.NEW.KDMX.WI.Y.0007.110530T1600Z-110531T0000Z/ EMMET-KOSSUTH-PALO ALTO-POCAHONTAS-HUMBOLDT-SAC-CALHOUN-WEBSTER- CRAWFORD-CARROLL-GREENE-AUDUBON-GUTHRIE-CASS-ADAIR-ADAMS-UNION- TAYLOR-RINGGOLD- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...EMMETSBURG... POCAHONTAS...HUMBOLDT...SAC CITY...ROCKWELL CITY...FORT DODGE... DENISON...CARROLL...JEFFERSON...AUDUBON...GUTHRIE CENTER... ATLANTIC...GREENFIELD...CORNING...CRESTON...BEDFORD...MOUNT AYR 341 AM CDT MON MAY 30 2011 ...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT THIS EVENING. * TIMING...SOUTH WINDS ARE FORECAST TO INCREASE THROUGH THE MORNING REACHING ADVISORY CRITERIA BY LATE MORNING. * WINDS...SUSTAINED SOUTH WINDS AT 25 TO 30 MPH ARE EXPECTED WITH GUSTS OF 45 TO 50 MPH. * IMPACTS...LOOSE LIGHTWEIGHT OBJECTS OUTDOORS WILL EASILY BE BLOWN AROUND. HIGH PROFILE VEHICLES WILL ALSO BECOME MORE DIFFICULT TO HANDLE IN THE HIGH WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH AND WIND GUSTS OF 45 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CC
3 follow-up statements
290 WWUS73 KDMX 301554 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 1054 AM CDT MON MAY 30 2011 IAZ004-005-015-023-024-033>035-044>046-057-058-070-071-081-082- 092-093-310000- /O.CON.KDMX.WI.Y.0007.110530T1600Z-110531T0000Z/ EMMET-KOSSUTH-PALO ALTO-POCAHONTAS-HUMBOLDT-SAC-CALHOUN-WEBSTER- CRAWFORD-CARROLL-GREENE-AUDUBON-GUTHRIE-CASS-ADAIR-ADAMS-UNION- TAYLOR-RINGGOLD- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...EMMETSBURG... POCAHONTAS...HUMBOLDT...SAC CITY...ROCKWELL CITY...FORT DODGE... DENISON...CARROLL...JEFFERSON...AUDUBON...GUTHRIE CENTER... ATLANTIC...GREENFIELD...CORNING...CRESTON...BEDFORD...MOUNT AYR 1054 AM CDT MON MAY 30 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WINDS...SUSTAINED SOUTH WINDS AT 25 TO 30 MPH ARE EXPECTED WITH GUSTS OF 45 TO 50 MPH. * IMPACTS...LOOSE LIGHTWEIGHT OBJECTS OUTDOORS WILL EASILY BE BLOWN AROUND. HIGH PROFILE VEHICLES WILL ALSO BECOME MORE DIFFICULT TO HANDLE IN THE HIGH WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH AND WIND GUSTS OF 45 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
025 WWUS73 KDMX 302030 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 330 PM CDT MON MAY 30 2011 IAZ004-005-015-023-024-033>035-044>046-057-058-070-071-081-082- 092-093-310000- /O.CON.KDMX.WI.Y.0007.000000T0000Z-110531T0000Z/ EMMET-KOSSUTH-PALO ALTO-POCAHONTAS-HUMBOLDT-SAC-CALHOUN-WEBSTER- CRAWFORD-CARROLL-GREENE-AUDUBON-GUTHRIE-CASS-ADAIR-ADAMS-UNION- TAYLOR-RINGGOLD- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...EMMETSBURG... POCAHONTAS...HUMBOLDT...SAC CITY...ROCKWELL CITY...FORT DODGE... DENISON...CARROLL...JEFFERSON...AUDUBON...GUTHRIE CENTER... ATLANTIC...GREENFIELD...CORNING...CRESTON...BEDFORD...MOUNT AYR 330 PM CDT MON MAY 30 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WINDS...SUSTAINED SOUTH WINDS AT 25 TO 30 MPH ARE EXPECTED WITH GUSTS UP TO 45 MPH THROUGH THE REMAINDER OF THE AFTERNOON. * IMPACTS...LOOSE LIGHTWEIGHT OBJECTS OUTDOORS WILL EASILY BE BLOWN AROUND. HIGH PROFILE VEHICLES WILL ALSO BECOME MORE DIFFICULT TO HANDLE IN THE HIGH WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH AND WIND GUSTS OF 45 MPH OR GREATER ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
548 WWUS73 KDMX 302351 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 651 PM CDT MON MAY 30 2011 IAZ004-005-015-023-024-033>035-044>046-057-058-070-071-081-082- 092-093-310100- /O.EXP.KDMX.WI.Y.0007.000000T0000Z-110531T0000Z/ EMMET-KOSSUTH-PALO ALTO-POCAHONTAS-HUMBOLDT-SAC-CALHOUN-WEBSTER- CRAWFORD-CARROLL-GREENE-AUDUBON-GUTHRIE-CASS-ADAIR-ADAMS-UNION- TAYLOR-RINGGOLD- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...EMMETSBURG... POCAHONTAS...HUMBOLDT...SAC CITY...ROCKWELL CITY...FORT DODGE... DENISON...CARROLL...JEFFERSON...AUDUBON...GUTHRIE CENTER... ATLANTIC...GREENFIELD...CORNING...CRESTON...BEDFORD...MOUNT AYR 651 PM CDT MON MAY 30 2011 ...WIND ADVISORY WILL EXPIRE AT 7 PM CDT THIS EVENING... WINDS HAVE DIMINISHED ACROSS WEST CENTRAL IOWA. WINDS WILL REMAIN STRONG THROUGH THE EVENING HOURS...BUT WILL GENERALLY REMAIN BELOW ADVISORY CRITERIA. SUSTAINED WINDS WILL BE LESS THAN 25 MPH AND GUSTS OF 25 TO 35 MPH POSSIBLE WILL REMAIN POSSIBLE. WINDS WILL GRADUALLY DECREASE AFTER SUNSET. $$ AW
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.