Alert archive / Iowa / Tornado Warnings in 2007
Tornado Warning 44, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at Aug 28, 2007, 6:46 PM CDT for Carroll County, Greene County, Iowa. It was in force for 44 min. 8 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, 6:46 PM CDT (23:46 UTC)
- Expired
- Aug 28, 2007, 7:30 PM CDT
- In force
- 44 min
- Issued by
- NWS Des Moines, IA
- Area
- Counties, with a storm outline in the text
Counties Carroll County, IA, Greene County, IA
The radar
The Des Moines radar (KDMX), 80 km from the middle of the area, began a volume at 23:47 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, 6:55 PM CDT | TSTM WND DMG | Glidden, IA | TREES DOWN IN TOWN...ONE ON FIRE. |
| Aug 28, 6:58 PM CDT | TORNADO | 2 N Dedham, IA | TOUCHED DOWN BETWEEN WILLEY AND DEDHAM |
| Aug 28, 7:00 PM CDT | TSTM WND DMG | 2 N Coon Rapids, IA | BARN BLEW OVER |
| Aug 28, 7:00 PM CDT | TORNADO | 2 Ne Coon Rapids, IA | TELEPHONE POLES DOWN |
| Aug 28, 7:00 PM CDT | TORNADO | 3 N Coon Rapids, IA | AERIAL SURVEY SHOWED VERY INTERMITTENT TRACK BEGAN 3 MILES NORTH OF COON RAPIDS AND CONTINUED EAST FOR APPROXIMATELY 15 MILES...DISSIPATING NEAR COOPER. MAXIMUM WIDTH 50 YARDS. CROP DAMAGE AND POWER POLES BENT BUT NO STRUCTURES IMPACTED. TWO MILE CONTINUOUS SW |
| Aug 28, 7:21 PM CDT | TORNADO | 2 S Jefferson, IA | TORNADO REPORTED ON THE GROUND BETWEEN JEFFERSON AND COOPER NEAR E57. |
| Aug 28, 7:29 PM CDT | TORNADO | 5 Sw Rippey, IA | MINOR ROOF DAMAGE AND SOME WINDOWS BLOWN OUT |
| Aug 28, 7:34 PM CDT | TORNADO | 2 S Rippey, IA | TWO BRIEF TOUCHDOWNS. NO STRUCTURES DAMAGED. |
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, 11.8 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
- 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 282347 TORDMX IAC027-073-290030- /O.NEW.KDMX.TO.W.0044.070828T2346Z-070829T0030Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DES MOINES IA 646 PM CDT TUE AUG 28 2007 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * TORNADO WARNING FOR... SOUTHEASTERN CARROLL COUNTY IN WEST CENTRAL IOWA... SOUTHERN GREENE COUNTY IN WEST CENTRAL IOWA... * UNTIL 730 PM CDT. * AT 643 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 9 MILES SOUTH OF CARROLL...OR ABOUT 41 MILES SOUTHEAST OF IDA GROVE...MOVING EAST AT 50 MPH. * THE TORNADO WILL BE NEAR... COON RAPIDS AND 8 MILES SOUTH OF GLIDDEN BY 655 PM CDT... 6 MILES SOUTH OF JEFFERSON BY 715 PM CDT... SPOTTERS CONTINUE TO REPORT STRONG ROTATION AND POSSIBLE FUNNELS WITH THIS STORM. IN ADDITION...THIS STORM CONTINUES TO PRODUCE DAMAGING STRAIGHT LINE WINDS. A NATIONAL WEATHER SERVICE SPOTTER JUST REPORTED WINDS NEAR 60 MPH...TWO MILES EAST OF TEMPLETON. 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 4211 9489 4207 9417 4186 9417 4186 9498 TIME...MOT...LOC 2346Z 273DEG 45KT 4194 9484 $$ JUNGBLUTH
2 follow-up statements
000 WWUS53 KDMX 290004 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 703 PM CDT TUE AUG 28 2007 IAC027-073-290030- /O.CON.KDMX.TO.W.0044.000000T0000Z-070829T0030Z/ CARROLL IA-GREENE IA- 703 PM CDT TUE AUG 28 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR SOUTHERN GREENE AND SOUTHEASTERN CARROLL COUNTIES... AT 700 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO. THIS TORNADO WAS LOCATED NEAR COON RAPIDS...OR ABOUT 48 MILES SOUTHWEST OF FORT DODGE...MOVING EAST AT 40 MPH. THE TORNADO WILL BE NEAR... 7 MILES SOUTH OF SCRANTON BY 710 PM CDT... 8 MILES SOUTH OF JEFFERSON BY 725 PM CDT... 6 MILES SOUTHWEST OF RIPPEY BY 730 PM CDT... SEEK SHELTER IN A BASEMENT...OR IN AN INTERIOR ROOM. STAY AWAY FROM WINDOWS. IF YOU ARE IN A CAR OR OUTSIDE...SEEK SHELTER IN A REINFORCED BUILDING. AROUND 655 PM...SPOTTERS REPORTED ONE OR MORE TORNADO TOUCHDOWNS...BUT NO DAMAGE....BETWEEN DENISON AND DEDHAM. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING FOR NORTHWESTERN IOWA. LAT...LON 4211 9489 4207 9417 4186 9417 4186 9498 TIME...MOT...LOC 0003Z 274DEG 35KT 4192 9465 $$ JUNGBLUTH
000
WWUS53 KDMX 290017
SVSDMX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
716 PM CDT TUE AUG 28 2007
IAC027-290026-
/O.CAN.KDMX.TO.W.0044.000000T0000Z-070829T0030Z/
CARROLL IA-
716 PM CDT TUE AUG 28 2007
...THE TORNADO WARNING FOR SOUTHEASTERN CARROLL COUNTY IS
CANCELLED...
AT 712 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
AREA...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE...THE TORNADO WARNING HAS BEEN CANCELLED.
LAT...LON 4210 9463 4209 9454 4207 9417 4202 9417
4201 9418 4200 9417 4195 9418 4186 9417
4186 9464
TIME...MOT...LOC 0016Z 277DEG 42KT 4191 9443
$$
IAC073-290030-
/O.CON.KDMX.TO.W.0044.000000T0000Z-070829T0030Z/
GREENE IA-
716 PM CDT TUE AUG 28 2007
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR SOUTHERN
GREENE COUNTY...
AT 712 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED 8 MILES SOUTH OF
SCRANTON...OR ABOUT 44 MILES SOUTH OF FORT DODGE...MOVING EAST AT 45
MPH.
THE TORNADO WILL BE NEAR...
RIPPEY BY 730 PM CDT...
SPOTTERS HAVE NOT REPORTED ANY TORNADOES SINCE 7 PM...BUT RADAR
INDICATES THAT TORNADO DEVELOPMENT IS STILL LIKELY. IN
ADDITION...WINDS MAY GUST IN EXCESS OF 70 MPH CAUSING DAMAGE.
SEEK SHELTER IN A BASEMENT...OR IN AN INTERIOR ROOM. STAY AWAY FROM
WINDOWS. IF YOU ARE IN A CAR OR OUTSIDE...SEEK SHELTER IN A
REINFORCED BUILDING.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
TUESDAY EVENING FOR NORTHWESTERN IOWA.
LAT...LON 4210 9463 4209 9454 4207 9417 4202 9417
4201 9418 4200 9417 4195 9418 4186 9417
4186 9464
TIME...MOT...LOC 0016Z 277DEG 42KT 4191 9443
$$
JUNGBLUTHThe 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, 6:21 PM CDT | Tornado Warning | DMX | Carroll, Crawford | 24 min |
| 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 |
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.