Alert archive / Iowa / High Wind Warnings in 2007
High Wind Warning 3, NWS Des Moines, IA
NWS Des Moines, IA issued this high wind warning at Sep 30, 2007, 4:43 PM CDT for 14 counties in Iowa. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 30, 2007, 4:43 PM CDT (21:43 UTC)
- Expired
- Sep 30, 2007, 7:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Des Moines, IA
Counties Adair County, IA, Adams County, IA, Audubon County, IA, Carroll County, IA, Cass County, IA, Clarke County, IA, Crawford County, IA, Decatur County, IA, Greene County, IA, Guthrie County, IA, Madison County, IA, Ringgold County, IA, Taylor County, IA, Union County, IA
The radar
The Des Moines radar (KDMX), 77 km from the middle of the area, began a volume at 21:45 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, 9.7 hours before the alert went out and 157 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
- 1296 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 450 m²/s²
- 0-3 km storm-relative helicity
- 472 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS73 KDMX 302143 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 443 PM CDT SUN SEP 30 2007 ...STRONG NON-THUNDERSTORM WINDS ARE HEADING FOR SOUTHWEST IOWA... .A STRONG SURFACE LOW OVER THE IOWA/NEBRASKA BORDER HAS CAUSED WINDS TO INCREASE SUBSTANTIALLY. THE POTENTIAL FOR DAMAGING WIND GUSTS IN THE ABSENCE OF THUNDERSTORMS HAS ALSO INCREASED. AS A RESULT A HIGH WIND WARNING HAS BEEN ISSUED. IAZ044>046-057-058-070>072-081>083-092>094-010100- /O.NEW.KDMX.HW.W.0003.070930T2143Z-071001T0100Z/ CRAWFORD-CARROLL-GREENE-AUDUBON-GUTHRIE-CASS-ADAIR-MADISON-ADAMS- UNION-CLARKE-TAYLOR-RINGGOLD-DECATUR- INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON... AUDUBON...GUTHRIE CENTER...ATLANTIC...GREENFIELD...WINTERSET... CORNING...CRESTON...OSCEOLA...BEDFORD...MOUNT AYR...LEON 443 PM CDT SUN SEP 30 2007 ...HIGH WIND WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 8 PM CDT THIS EVENING. A STRONG SURFACE LOW HAS DEVELOPED OVER THE IOWA/NEBRASKA BORDER. SUSTAINED WIND SPEEDS OF 36 MPH WITH GUSTS IN EXCESS OF 50 MPH HAVE BEEN REPORTED IN SOUTHEAST NEBRASKA. THESE WIND SPEEDS WILL MAKE THEIR WAY INTO SOUTHWEST IOWA. HIGH WINDS WILL LIKELY REMAIN IN THE AREA UNTIL THE LOW PULLS OUT DURING THE EARLY EVENING. A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. $$ FAB
1 follow-up statement
000 WWUS73 KDMX 010015 NPWDMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 715 PM CDT SUN SEP 30 2007 .THE STRONG LOW PRESSURE SYSTEM RESPONSIBLE FOR HIGH WINDS IN SOUTHEAST NEBRASKA AND FAR SOUTHWEST IOWA IS MOVING OFF AND THE WINDS ARE DIMINISHING TO BELOW WARNING CRITERIA. IAZ044>046-057-058-070>072-081>083-092>094-010115- /O.CAN.KDMX.HW.W.0003.000000T0000Z-071001T0100Z/ CRAWFORD-CARROLL-GREENE-AUDUBON-GUTHRIE-CASS-ADAIR-MADISON-ADAMS- UNION-CLARKE-TAYLOR-RINGGOLD-DECATUR- INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON... AUDUBON...GUTHRIE CENTER...ATLANTIC...GREENFIELD...WINTERSET... CORNING...CRESTON...OSCEOLA...BEDFORD...MOUNT AYR...LEON 715 PM CDT SUN SEP 30 2007 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELED THE HIGH WIND WARNING. WIND SPEEDS OVER THE WARNING AREA ARE BETWEEN 25 AND 35 MPH WHICH IS BELOW WARNING CRITERIA. THE LOW PRESSURE SYSTEM RESPONSIBLE FOR THE STRONG WIND EARLIER IS LIFTING OFF TO THE NORTHEAST AND WIND SPEEDS ARE NO LONGER MEETING HIGH WIND CRITERIA. AS A RESULT THE HIGH WIND WARNING IS CANCELED. $$ FAB
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 30, 4:29 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 31 min |
| Sep 30, 4:38 PM CDT | Severe Thunderstorm Warning | DMX | Union | 27 min |
| Sep 30, 4:49 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Madison, Warren | 56 min |
| Sep 30, 5:21 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Lucas | 24 min |
| Sep 30, 5:23 PM CDT | Tornado Warning | DMX | Clarke, Lucas | 24 min |
| Sep 30, 5:25 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 50 min |
| Sep 30, 5:33 PM CDT | Tornado Warning | DMX | Marion, Warren | 42 min |
| Sep 30, 6:03 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 57 min |
| Sep 30, 6:03 PM CDT | Tornado Warning | DMX | Sac | 15 min |
| Sep 30, 6:17 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas, Sac | 43 min |
| Sep 30, 6:18 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion, Poweshiek | 42 min |
| Sep 30, 6:21 PM CDT | Tornado Warning | DMX | Calhoun, Pocahontas, Sac | 24 min |
| Sep 30, 6:21 PM CDT | Tornado Warning | DMX | Jasper, Mahaska, Marion, Poweshiek | 39 min |
| Sep 30, 6:37 PM CDT | Tornado Warning | DMX | Poweshiek | 38 min |
| Sep 30, 6:47 PM CDT | Tornado Warning | DMX | Calhoun, Pocahontas | 15 min |
| Sep 30, 6:54 PM CDT | Tornado Warning | DMX | Jasper, Mahaska, Marion, Poweshiek | 26 min |
Nearby
High Wind Warnings in Iowa, 2007Every high wind warning in 2007
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.