Alert archive / Iowa / Tornado Warnings in 2007
Tornado Warning 43, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at Aug 28, 2007, 6:21 PM CDT for Carroll County, Crawford County, Iowa. It was in force for 24 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 28, 2007, 6:21 PM CDT (23:21 UTC)
- Expired
- Aug 28, 2007, 6:45 PM CDT
- In force
- 24 min
- Issued by
- NWS Des Moines, IA
- Area
- Counties, with a storm outline in the text
Counties Carroll County, IA, Crawford County, IA
The radar
The Des Moines radar (KDMX), 102 km from the middle of the area, began a volume at 23:22 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 28, 6:44 PM CDT | TSTM WND GST 58 | 2 E Templeton, IA | TRAINED SPOTTER MEASURED WIND GUSTS UP TO 58 MPH. |
| Aug 28, 6:44 PM CDT | TSTM WND GST 68 | Templeton, IA | 50 YEAR OLD LARGE TREE DOWN...ALONG WITH SEVERAL OTHER LIMBS COVERING ROADS IN THE TOWN OF TEMPLETON. |
| Aug 28, 6:55 PM CDT | TSTM WND DMG | Glidden, IA | TREES DOWN IN TOWN...ONE ON FIRE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 28, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 11.4 hours before the alert went out and 145 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
- 438 J/kg
- Mixed-layer CIN
- -240 J/kg
- Mixed-layer LCL
- 1545 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 92 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KDMX 282321 TORDMX IAC027-047-282345- /O.NEW.KDMX.TO.W.0043.070828T2321Z-070828T2345Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DES MOINES IA 621 PM CDT TUE AUG 28 2007 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * TORNADO WARNING FOR... CARROLL COUNTY IN WEST CENTRAL IOWA... SOUTHEASTERN CRAWFORD COUNTY IN WEST CENTRAL IOWA... * UNTIL 645 PM CDT. * AT 617 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES NORTH OF MANILLA...OR ABOUT 28 MILES SOUTHEAST OF IDA GROVE...MOVING EAST AT 60 MPH. * THE TORNADO WILL BE NEAR... 7 MILES SOUTH OF CARROLL BY 635 PM CDT... 7 MILES SOUTH OF GLIDDEN BY 640 PM CDT... 6 MILES NORTH OF COON RAPIDS BY 645 PM CDT... IN ADDITION TO THE TORNADO...THIS STORM IS ALSO EXPECTED TO PRODUCE DESTRUCTIVE STRAIGHT LINE WINDS. AT 620 PM...A NATIONAL WEATHER SERVICE SPOTTER ON THE SOUTH SIDE OF DENISON REPORTED TREES DOWN AND WINDS TO 70 MPH. THIS IS A HAZARDOUS SITUATION. SEEK SHELTER IN A BASEMENT...OR IN AN INTERIOR ROOM. STAY AWAY FROM WINDOWS. IF YOU ARE OUTSIDE OR IN A CAR...SEEK SHELTER IN A REINFORCED BUILDING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING FOR NORTHWESTERN IOWA. LAT...LON 4210 9464 4186 9464 4187 9527 4212 9527 TIME...MOT...LOC 2321Z 274DEG 55KT 4198 9515 $$ JUNGBLUTH
1 follow-up statement
000 WWUS53 KDMX 282332 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 631 PM CDT TUE AUG 28 2007 IAC027-047-282345- /O.CON.KDMX.TO.W.0043.000000T0000Z-070828T2345Z/ CRAWFORD IA-CARROLL IA- 631 PM CDT TUE AUG 28 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR CARROLL AND SOUTHEASTERN CRAWFORD COUNTIES... AT 626 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR ASPINWALL...OR ABOUT 32 MILES SOUTHEAST OF IDA GROVE...MOVING EAST AT 40 MPH. THE TORNADO WILL BE NEAR... TEMPLETON BY 640 PM CDT... DEDHAM...WILLEY AND 9 MILES SOUTHWEST OF CARROLL AIRPORT BY 645 PM CDT... SEEK SHELTER IN A BASEMENT...OR IN AN INTERIOR ROOM. STAY AWAY FROM WINDOWS. IF YOU ARE IN A CAR OR OUTSIDE...SEEK SHELTER IN A REINFORCED BUILDING. IN ADDITION TO THE TORNADO...THIS STORM IS PRODUCING DESTRUCTIVE STRAIGHT LINE WINDS THAT PRODUCE TREE AND ROOF DAMAGE IN DENISON BEFORE 630 PM. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING FOR NORTHWESTERN IOWA. LAT...LON 4210 9464 4186 9464 4187 9527 4212 9527 TIME...MOT...LOC 2331Z 277DEG 38KT 4195 9507 $$ JUNGBLUTH
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 3:56 AM CDT | Flash Flood Watch | DMX | Adair, Audubon, Black Hawk, Boone, Bremer, Butler and 25 more | 23 hr |
| Aug 28, 4:59 PM CDT | Severe Thunderstorm Warning | DMX | Sac | 46 min |
| Aug 28, 5:52 PM CDT | Severe Thunderstorm Warning | DMX | Crawford | 38 min |
| Aug 28, 6:02 PM CDT | Flash Flood Warning | DMX | Wright | 6 hr |
| Aug 28, 6:11 PM CDT | Flash Flood Warning | DMX | Calhoun | 6 hr |
| Aug 28, 6:21 PM CDT | Flash Flood Warning | DMX | Crawford | 6 hr |
| Aug 28, 6:29 PM CDT | Severe Thunderstorm Warning | DMX | Audubon, Guthrie | 46 min |
| Aug 28, 6:38 PM CDT | Flash Flood Warning | DMX | Webster | 6 hr |
| Aug 28, 6:43 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Greene, Webster | 47 min |
| Aug 28, 6:46 PM CDT | Tornado Warning | DMX | Carroll, Greene | 44 min |
Nearby
Tornado Warnings in Iowa, 2007Every tornado warning in 2007Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.