Alert archive / Iowa / Tornado Warnings in 2007
Tornado Warning 5, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at Mar 31, 2007, 4:12 PM CDT for Carroll County, Iowa. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 31, 2007, 4:12 PM CDT (21:12 UTC)
- Expired
- Mar 31, 2007, 4:45 PM CDT
- In force
- 33 min
- Issued by
- NWS Des Moines, IA
- Area
- Counties, with a storm outline in the text
County Carroll County, IA
The radar
The Des Moines radar (KDMX), 95 km from the middle of the area, began a volume at 21:14 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 31, 11:38 AM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 9.2 hours before the alert went out and 150 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
- 523 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 252 m²/s²
- 0-3 km storm-relative helicity
- 288 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 312112 TORDMX IAC027-312145- /O.NEW.KDMX.TO.W.0005.070331T2112Z-070331T2145Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DES MOINES IA 412 PM CDT SAT MAR 31 2007 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * TORNADO WARNING FOR... EASTERN CARROLL COUNTY IN WEST CENTRAL IOWA... * UNTIL 445 PM CDT * AT 410 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR COON RAPIDS...OR 51 MILES SOUTHEAST OF IDA GROVE...AND MOVING NORTH AT 40 MPH. * THIS STORM WILL BE NEAR... GLIDDEN AND 6 MILES EAST OF CARROLL BY 430 PM CDT... THE TOWNS OF DEDHAM...WILLEY...RALSTON...CARROLL AIRPORT...LIDDERDALE AND LANESBORO ARE ALSO IN THE PATH OF THIS TORNADIC STORM. THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT WAS IN EFFECT FOR THE SAME AREA. GO TO A BASEMENT OR SMALL INTERIOR ROOM ON THE LOWEST FLOOR 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. LAT...LON 4187 9490 4187 9462 4221 9465 4220 9500 $$ JOHNSON
3 follow-up statements
000 WWUS53 KDMX 312116 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 416 PM CDT SAT MAR 31 2007 IAC027-312145- /O.CON.KDMX.TO.W.0005.000000T0000Z-070331T2145Z/ CARROLL IA- 416 PM CDT SAT MAR 31 2007 ...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN CARROLL COUNTY UNTIL 445 PM CDT... AT 414 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS TORNADO WAS LOCATED NEAR COON RAPIDS...OR 49 MILES SOUTHWEST OF FORT DODGE... MOVING NORTH AT 40 MPH. THE TORNADO WILL BE NEAR... GLIDDEN AND 8 MILES EAST OF CARROLL BY 430 PM CDT... THE TOWNS OF DEDHAM...WILLEY...RALSTON...CARROLL AIRPORT...LIDDERDALE AND LANESBORO ARE ALSO IN THE PATH OF THIS TORNADO. SEEK SHELTER IN A BASEMENT...OR IN AN INTERIOR ROOM. STAY AWAY FROM WINDOWS. IF YOU ARE IN A CAR OR OUTSIDE...SEEK SHELTER IN A REINFORCED BUILDING. MEDIA REPORTS FUNNEL CLOUD 2 MILES SOUTHWEST OF COON RAPIDS NEAR THE INTERSECTION OF HIGHWAY 141 AND 73. LAT...LON 4187 9490 4187 9462 4221 9465 4220 9500 $$
000 WWUS53 KDMX 312123 CCA SVSDMX SEVERE WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE DES MOINES IA 416 PM CDT SAT MAR 31 2007 IAC027-312145- /O.COR.KDMX.TO.W.0005.000000T0000Z-070331T2145Z/ CARROLL IA- 416 PM CDT SAT MAR 31 2007 ...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN CARROLL COUNTY UNTIL 445 PM CDT... AT 414 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS TORNADO WAS LOCATED NEAR COON RAPIDS...OR 49 MILES SOUTHWEST OF FORT DODGE... MOVING NORTH AT 50 MPH. THE TORNADO WILL BE NEAR... GLIDDEN AND 8 MILES EAST OF CARROLL BY 425 PM CDT... THE TOWNS OF DEDHAM...WILLEY...RALSTON...CARROLL AIRPORT...LIDDERDALE AND LANESBORO ARE ALSO IN THE PATH OF THIS TORNADO. 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. LAT...LON 4187 9490 4187 9462 4221 9465 4220 9500 $$
000 WWUS53 KDMX 312144 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 444 PM CDT SAT MAR 31 2007 IAC027-312154- /O.EXP.KDMX.TO.W.0005.000000T0000Z-070331T2145Z/ CARROLL IA- 444 PM CDT SAT MAR 31 2007 ...THE TORNADO WARNING FOR EASTERN CARROLL COUNTY WILL EXPIRE AT 445 PM CDT... AT 439 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE WEAKENED...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE...THE TORNADO WARNING WILL BE ALLOWED TO EXPIRE. REPORT TORNADOES...WIND IN EXCESS OF 50 MPH...HAIL LARGER THAN ONE HALF INCH...OR STORM DAMAGE BY CALLING LOCAL LAW ENFORCEMENT AND ASKING THEM TO RELAY THE REPORT TO THE NATIONAL WEATHER SERVICE. LAT...LON 4187 9490 4187 9462 4221 9465 4220 9500 $$ JOHNSON
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 11:16 PM CDT | Dense Fog Advisory | DMX | Black Hawk, Boone, Bremer, Butler, Calhoun, Cerro Gordo and 19 more | 5 hr |
| Mar 31, 1:59 PM CDT | Severe Thunderstorm Warning | DMX | Lucas, Wayne | 46 min |
| Mar 31, 2:15 PM CDT | Severe Thunderstorm Warning | DMX | Davis | 45 min |
| Mar 31, 2:19 PM CDT | Severe Thunderstorm Warning | DMX | Wapello | 41 min |
| Mar 31, 2:46 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Polk | 44 min |
| Mar 31, 2:46 PM CDT | Tornado Warning | DMX | Guthrie | 29 min |
| Mar 31, 3:02 PM CDT | Severe Thunderstorm Warning | DMX | Jasper | 43 min |
| Mar 31, 3:10 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Story | 35 min |
| Mar 31, 3:19 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 41 min |
| Mar 31, 3:34 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Audubon, Cass, Guthrie | 41 min |
| Mar 31, 3:39 PM CDT | Severe Thunderstorm Warning | DMX | Hardin | 36 min |
| Mar 31, 3:41 PM CDT | Tornado Warning | DMX | Audubon, Guthrie | 34 min |
| Mar 31, 3:47 PM CDT | Tornado Warning | DMX | Calhoun, Webster | 28 min |
| Mar 31, 3:54 PM CDT | Severe Thunderstorm Warning | DMX | Grundy | 36 min |
| Mar 31, 4:05 PM CDT | Severe Thunderstorm Warning | DMX | Franklin | 40 min |
| Mar 31, 4:06 PM CDT | Severe Thunderstorm Warning | DMX | Carroll, Crawford, Sac | 39 min |
| Mar 31, 4:18 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Pocahontas, Webster | 30 min |
| Mar 31, 4:25 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 50 min |
| Mar 31, 4:29 PM CDT | Severe Thunderstorm Warning | DMX | Butler | 46 min |
| Mar 31, 4:36 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo | 39 min |
| Mar 31, 4:43 PM CDT | Tornado Warning | DMX | Calhoun | 47 min |
| Mar 31, 4:51 PM CDT | Severe Thunderstorm Warning | DMX | Greene | 27 min |
| Mar 31, 5:34 PM CDT | Tornado Warning | DMX | Pocahontas | 41 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.