Alert archive / Alabama / Tornado Warnings in 2009
Tornado Warning 38, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Apr 19, 2009, 2:36 PM CDT for Clarke County, Washington County, Alabama. It was in force for 39 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
- Apr 19, 2009, 2:36 PM CDT (19:36 UTC)
- Expired
- Apr 19, 2009, 3:15 PM CDT
- In force
- 39 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Clarke County, AL, Washington County, AL
The radar
The Mobile radar (KMOB), 89 km from the middle of the area, began a volume at 19:36 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 |
|---|---|---|---|
| Apr 19, 2:19 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 7.6 hours before the alert went out and 210 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
- 387 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 537 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 296 m²/s²
- 0-3 km storm-relative helicity
- 467 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 4.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS54 KMOB 191936 TORMOB ALC025-129-192015- /O.NEW.KMOB.TO.W.0038.090419T1936Z-090419T2015Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MOBILE AL 236 PM CDT SUN APR 19 2009 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * TORNADO WARNING FOR... SOUTH CENTRAL CLARKE COUNTY IN SOUTHWEST ALABAMA... EAST CENTRAL WASHINGTON COUNTY IN SOUTHWEST ALABAMA... * UNTIL 315 PM CDT * AT 234 PM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR SEABOARD...OR ABOUT 9 MILES SOUTHEAST OF CHATOM...MOVING NORTHEAST AT 20 MPH. * THE TORNADO WILL BE NEAR... CORTELUOU AND WAGARVILLE BY 305 PM CDT... PRESTWICK BY 315 PM CDT... IF YOU ARE IN MOBILE HOME...EVACUATE IT AND GET ON THE LOWEST FLOOR OF A NEARBY STURDY BUILDING OR IN AN UNDERGROUND STORM SHELTER. IF NO SUBSTANTIAL SHELTER IS AVAILABLE AND A TORNADO IS FAST APPROACHING... SEEK SHELTER IN A CULVERT...DITCH OR LOW DEPRESSION AND COVER YOUR HEAD WITH YOUR HANDS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT SUNDAY EVENING FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI. LAT...LON 3160 8788 3138 8777 3130 8821 3139 8828 TIME...MOT...LOC 1936Z 241DEG 19KT 3135 8818 $$ PURDY
2 follow-up statements
000 WWUS54 KMOB 191950 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 250 PM CDT SUN APR 19 2009 ALC025-129-192015- /O.CON.KMOB.TO.W.0038.000000T0000Z-090419T2015Z/ WASHINGTON AL-CLARKE AL- 250 PM CDT SUN APR 19 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CDT FOR CENTRAL CLARKE AND EAST CENTRAL WASHINGTON COUNTIES... AT 249 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS TORNADO WAS NEAR SUNFLOWER...OR ABOUT 11 MILES SOUTHEAST OF CHATOM... MOVING NORTHEAST AT 25 MPH. THE TORNADO WILL BE NEAR... SUNFLOWER BY 255 PM CDT... CORTELUOU AND WAGARVILLE BY 300 PM CDT... PRESTWICK BY 305 PM CDT... CARSON BY 310 PM CDT... JACKSON...7 MILES NORTHWEST OF CHOCTAW BLUFF AND 9 MILES SOUTHWEST OF WALKER SPRINGS BY 315 PM CDT... DO NOT USE YOUR VEHICLE TO TRY TO OUTRUN AN APPROACHING TORNADO. ANY SIZE OF VEHICLE CAN BE EASILY BE TOSSED AROUND BY TORNADIC WINDS. IF YOU ARE CAUGHT IN THE PATH OF A TORNADO...LEAVE THE VEHICLE AND SEEK SHELTER IN A STRONG BUILDING. IF NO SAFE STRUCTURE IS AVAILABLE... SEEK SHELTER IN A CULVERT...DITCH OR LOW DEPRESSION AND COVER YOUR HEAD WITH YOUR HANDS. DO NOT USE HIGHWAY OVERPASSES FOR SHELTER. OVERPASSES DO NOT PROVIDE PROTECTION FROM TORNADIC WINDS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT SUNDAY EVENING FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI. LAT...LON 3165 8779 3138 8777 3135 8810 3140 8812 TIME...MOT...LOC 1950Z 247DEG 23KT 3138 8807 $$ PURDY
000 WWUS54 KMOB 192018 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 318 PM CDT SUN APR 19 2009 ALC025-129-192028- /O.EXP.KMOB.TO.W.0038.000000T0000Z-090419T2015Z/ WASHINGTON AL-CLARKE AL- 318 PM CDT SUN APR 19 2009 ...THE TORNADO WARNING FOR CENTRAL CLARKE AND EAST CENTRAL WASHINGTON COUNTIES WAS ALLOWED TO EXPIRE AT 315 PM CDT... A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT SUNDAY EVENING FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI. LAT...LON 3165 8779 3138 8777 3135 8810 3140 8812 TIME...MOT...LOC 1950Z 247DEG 23KT 3138 8807 $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 1:38 PM CDT | Tornado Warning | MOB | Washington | 37 min |
| Apr 19, 4:57 PM CDT | Severe Thunderstorm Warning | MOB | Monroe | 48 min |
| Apr 19, 5:20 PM CDT | Tornado Warning | MOB | Choctaw, Clarke, Washington | 40 min |
| Apr 19, 5:39 PM CDT | Tornado Warning | MOB | Clarke | 40 min |
| Apr 19, 6:04 PM CDT | Tornado Warning | MOB | Clarke | 15 min |
| Apr 19, 6:18 PM CDT | Severe Thunderstorm Warning | MOB | Clarke | 27 min |
| Apr 19, 6:43 PM CDT | Severe Thunderstorm Warning | MOB | Butler | 41 min |
| Apr 19, 6:44 PM CDT | Tornado Warning | MOB | Clarke, Monroe | 46 min |
Nearby
Tornado Warnings in Alabama, 2009Every tornado warning in 2009Tornadoes in 2009
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.