Alert archive / Iowa / Tornado Warnings in 2008
Tornado Warning 2, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at Apr 10, 2008, 4:24 PM CDT for 4 counties in Iowa. It was in force for 51 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
- Apr 10, 2008, 4:24 PM CDT (21:24 UTC)
- Expired
- Apr 10, 2008, 5:15 PM CDT
- In force
- 51 min
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
Counties Clarke County, IA, Decatur County, IA, Lucas County, IA, Wayne County, IA
The radar
The Des Moines radar (KDMX), 97 km from the middle of the area, began a volume at 21:24 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 |
|---|---|---|---|
| Apr 10, 4:33 PM CDT | TORNADO | 2 W Clio, IA | BRIEF TORNADO TOUCHDOWN OBSERVED BY EMERGENCY MANAGEMENT IN OPEN COUNTRY. |
| Apr 10, 4:49 PM CDT | TORNADO | 4 Wsw Millerton, IA | BRIEF TORNADO TOUCHDOWN OBSERVED BY EMERGENCY MANAGEMENT IN OPEN COUNTRY. |
| Apr 10, 5:00 PM CDT | FUNNEL CLOUD | 1 W Chariton, IA | DELAYED REPORT OF A FUNNEL CLOUD 1 MILE WEST OF CHARITION AT 5 PM. |
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 |
|---|---|---|---|
| Apr 10, 2:28 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 9.4 hours before the alert went out and 247 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
- 4 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 467 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 185 m²/s²
- 0-3 km storm-relative helicity
- 226 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 102124 TORDMX IAC039-053-117-185-102215- /O.NEW.KDMX.TO.W.0002.080410T2124Z-080410T2215Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DES MOINES IA 424 PM CDT THU APR 10 2008 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * TORNADO WARNING FOR... SOUTHEASTERN CLARKE COUNTY IN SOUTH CENTRAL IOWA... EASTERN DECATUR COUNTY IN SOUTH CENTRAL IOWA... SOUTHERN LUCAS COUNTY IN SOUTH CENTRAL IOWA... WESTERN WAYNE COUNTY IN SOUTH CENTRAL IOWA... * UNTIL 515 PM CDT. * AT 423 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 17 MILES SOUTHWEST OF CORYDON...OR 31 MILES WEST OF UNIONVILLE...MOVING NORTH AT 51 MPH. * THE TORNADO WILL BE NEAR... CHARITON BY 500 PM CDT... 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 900 PM CDT THURSDAY EVENING FOR SOUTHERN IOWA. LAT...LON 4107 9360 4106 9310 4058 9342 4059 9369 TIME...MOT...LOC 2124Z 195DEG 45KT 4062 9356 $$ KINNEY
4 follow-up statements
000 WWUS53 KDMX 102136 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 436 PM CDT THU APR 10 2008 IAC039-053-117-185-102215- /O.CON.KDMX.TO.W.0002.000000T0000Z-080410T2215Z/ DECATUR IA-WAYNE IA-LUCAS IA-CLARKE IA- 436 PM CDT THU APR 10 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR SOUTHEASTERN CLARKE...SOUTHERN LUCAS...WESTERN WAYNE AND EASTERN DECATUR COUNTIES... AT 432 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR CLIO...OR 26 MILES WEST OF UNIONVILLE...MOVING NORTH AT 52 MPH. THE TORNADO WILL BE NEAR... CORYDON BY 445 PM CDT... 6 MILES EAST OF HUMESTON BY 450 PM CDT... MILLERTON AND DERBY BY 455 PM CDT... CHARITON...CHARITON AIRPORT...7 MILES WEST OF RUSSELL AND 7 MILES EAST OF LUCAS BY 505 PM CDT... SEEK SHELTER IN A BASEMENT...OR IN AN INTERIOR ROOM. STAY AWAY FROM WINDOWS. IF YOU ARE IN A CAR OR OUTSIDE...SEEK SHELTER IN A REINFORCED BUILDING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT THURSDAY EVENING FOR SOUTHERN IOWA. LAT...LON 4107 9360 4106 9310 4058 9342 4059 9369 TIME...MOT...LOC 2136Z 195DEG 45KT 4066 9345 $$ KINNEY
000 WWUS53 KDMX 102148 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 447 PM CDT THU APR 10 2008 IAC039-053-117-185-102215- /O.CON.KDMX.TO.W.0002.000000T0000Z-080410T2215Z/ DECATUR IA-WAYNE IA-LUCAS IA-CLARKE IA- 447 PM CDT THU APR 10 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR SOUTHEASTERN CLARKE...SOUTHERN LUCAS...WESTERN WAYNE AND EASTERN DECATUR COUNTIES... AT 444 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED 6 MILES SOUTHEAST OF HUMESTON...OR 32 MILES NORTHWEST OF UNIONVILLE...MOVING NORTH AT 59 MPH. THE TORNADO WILL BE NEAR... DERBY BY 455 PM CDT... CHARITON AIRPORT...CHARITON...6 MILES EAST OF LUCAS AND 8 MILES WEST OF RUSSELL BY 500 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. A TRAINED SPOTTER REPORTED A ROTATING WALL CLOUD 5 MILES SOUTHEAST OF HUMESTON AT 445 PM CDT. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT THURSDAY EVENING FOR SOUTHERN IOWA. LAT...LON 4107 9360 4106 9310 4058 9342 4059 9369 TIME...MOT...LOC 2147Z 197DEG 51KT 4083 9342 $$ KINNEY
000
WWUS53 KDMX 102202
SVSDMX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
502 PM CDT THU APR 10 2008
IAC039-053-102212-
/O.CAN.KDMX.TO.W.0002.000000T0000Z-080410T2215Z/
DECATUR IA-CLARKE IA-
502 PM CDT THU APR 10 2008
...THE TORNADO WARNING FOR SOUTHEASTERN CLARKE AND EASTERN DECATUR
COUNTIES IS CANCELLED...
AT 501 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE EITHER WEAKENED OR
MOVED OUT OF THE AREA...AND NO LONGER POSE AN IMMEDIATE THREAT TO
LIFE OR PROPERTY. THEREFORE...THE TORNADO WARNING HAS BEEN CANCELLED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY EVENING
FOR SOUTHERN IOWA.
A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM CDT
THURSDAY EVENING FOR SOUTHERN IOWA.
LAT...LON 4087 9347 4106 9351 4106 9310 4089 9321
4089 9322 4087 9322 4087 9323 4083 9325
TIME...MOT...LOC 2202Z 197DEG 51KT 4103 9334
$$
IAC117-185-102215-
/O.CON.KDMX.TO.W.0002.000000T0000Z-080410T2215Z/
WAYNE IA-LUCAS IA-
502 PM CDT THU APR 10 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR SOUTHERN
LUCAS AND NORTH CENTRAL WAYNE COUNTIES...
AT 501 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR CHARITON
AIRPORT...OR 41 MILES SOUTH OF DES MOINES...MOVING NORTH AT 59 MPH.
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 TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY EVENING
FOR SOUTHERN IOWA.
LAT...LON 4087 9347 4106 9351 4106 9310 4089 9321
4089 9322 4087 9322 4087 9323 4083 9325
TIME...MOT...LOC 2202Z 197DEG 51KT 4103 9334
$$
KINNEY000
WWUS53 KDMX 102215
SVSDMX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
515 PM CDT THU APR 10 2008
IAC117-185-102225-
/O.EXP.KDMX.TO.W.0002.000000T0000Z-080410T2215Z/
WAYNE IA-LUCAS IA-
515 PM CDT THU APR 10 2008
...THE TORNADO WARNING FOR SOUTHERN LUCAS AND NORTH CENTRAL WAYNE
COUNTIES HAS EXPIRED...
AT 514 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE...THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT THURSDAY EVENING
FOR SOUTHERN IOWA.
A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM CDT
THURSDAY EVENING FOR SOUTHWESTERN IOWA.
LAT...LON 4087 9347 4106 9351 4106 9310 4089 9321
4089 9322 4087 9322 4087 9323 4083 9325
TIME...MOT...LOC 2202Z 197DEG 51KT 4103 9334
$$
KINNEYThe office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 9:53 PM CDT | River Flood Warning | DMX | Lucas | 60 hr |
| Apr 10, 4:17 AM CDT | Wind Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 17 hr |
| Apr 10, 4:49 PM CDT | Tornado Warning | DMX | Clarke, Lucas, Warren | 26 min |
| Apr 10, 4:52 PM CDT | Tornado Warning | DMX | Appanoose, Wayne | 23 min |
| Apr 10, 5:11 PM CDT | Tornado Warning | DMX | Appanoose, Mahaska, Marion, Monroe, Wapello | 34 min |
| Apr 10, 5:25 PM CDT | Tornado Warning | DMX | Mahaska, Marion | 20 min |
| Apr 10, 5:42 PM CDT | Tornado Warning | DMX | Mahaska, Poweshiek | 48 min |
| Apr 10, 6:11 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Davis, Monroe | 35 min |
| Apr 10, 6:27 PM CDT | Tornado Warning | DMX | Poweshiek, Tama | 48 min |
Nearby
Tornado Warnings in Iowa, 2008Every tornado warning in 2008Tornadoes in 2008
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.