Alert archive / Alabama / Tornado Warnings in 2008
Tornado Warning 51, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Apr 11, 2008, 5:34 PM CDT for Clarke County, Alabama. It was in force for 41 min. 1 report 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 11, 2008, 5:34 PM CDT (22:34 UTC)
- Expired
- Apr 11, 2008, 6:15 PM CDT
- In force
- 41 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Clarke County, AL
The radar
The Mobile radar (KMOB), 115 km from the middle of the area, began a volume at 22:35 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 11, 5:45 PM CDT | HAIL 0.88 | Coffeeville, AL | LOTS OF NICKEL SIZE HAIL REPORTED. |
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 11, 3:07 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 10.6 hours before the alert went out and 199 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
- 33 J/kg
- Mixed-layer CIN
- -160 J/kg
- Mixed-layer LCL
- 566 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 217 m²/s²
- 0-3 km storm-relative helicity
- 271 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS54 KMOB 112235
TORMOB
ALC025-112315-
/O.NEW.KMOB.TO.W.0051.080411T2234Z-080411T2315Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
534 PM CDT FRI APR 11 2008
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* TORNADO WARNING FOR...
CENTRAL CLARKE COUNTY IN SOUTHWEST ALABAMA...
THIS INCLUDES THE CITY OF GROVE HILL...
* UNTIL 615 PM CDT
* AT 531 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGIST CONTINUED
TO DETECTE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 15
MILES WEST OF WINN...OR ABOUT 17 MILES NORTH OF CHATOM...MOVING
EAST AT 35 MPH.
* THE TORNADO WILL BE NEAR...
WINN BY 555 PM CDT...
CHILTON BY 605 PM CDT...
GROVE HILL AND PEACOCK BY 610 PM CDT...
DICKINSON...WHATELY AND FULTON BY 615 PM CDT...
THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF A
STURDY BUILDING...PREFERABLY IN AN INTERIOR HALLWAY OR A ROOM SUCH AS
A CLOSET OR BATHROOM. IF POSSIBLE...GET UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR BODY
AND ALWAYS STAY AWAY FROM WINDOWS. IN ADDITION TO THE TORNADO...THIS
STORM IS CAPABLE OF PRODUCING LARGE DAMAGING HAIL OR DAMAGING
STRAIGHT LINE WINDS.
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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY
EVENING FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
LAT...LON 3162 8764 3159 8797 3161 8807 3164 8809
3168 8807 3169 8809 3175 8809 3177 8813
3184 8766
TIME...MOT...LOC 2234Z 268DEG 30KT 3170 8814
$$3 follow-up statements
000
WWUS54 KMOB 112253
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
551 PM CDT FRI APR 11 2008
ALC025-112315-
/O.CON.KMOB.TO.W.0051.000000T0000Z-080411T2315Z/
CLARKE AL-
551 PM CDT FRI APR 11 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR CENTRAL
CLARKE COUNTY...
AT 548 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH DEEP AND STRONG ROTATION. THIS TORNADO WAS
LOCATED 6 MILES NORTHWEST OF WINN...OR ABOUT 14 MILES WEST OF GROVE
HILL...MOVING EAST AT 30 MPH. DELAYED DAMAGE REPORTS ARE NOW
BEGINNING TO FLOW INTO THE NWS OFFICE IN MOBILE ALABAMA CONFIRMING
DAMAGE FROM WHEN THE STORM MOVED ALONG THE WASHINGTON AND CHOCTAW
COUNTY BORDER.
THIS ROTATING STORM IS LONG-LIVED AND IS CURRENTLY INT HE PROCESS OF
STRENGTHENING ONCE AGAIN.
THE TORNADO WILL BE NEAR...
WINN BY 600 PM CDT...
7 MILES SOUTH OF CHILTON BY 605 PM CDT...
GROVE HILL BY 610 PM CDT...
WHATELY...6 MILES SOUTH OF PEACOCK...7 MILES SOUTHWEST OF DICKINSON
AND 8 MILES SOUTH OF FULTON BY 615 PM CDT...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY
EVENING FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
LAT...LON 3162 8764 3160 8797 3163 8806 3168 8807
3177 8802 3184 8766
TIME...MOT...LOC 2251Z 275DEG 28KT 3169 8799
$$000
WWUS54 KMOB 112303
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
601 PM CDT FRI APR 11 2008
ALC025-112315-
/O.CON.KMOB.TO.W.0051.000000T0000Z-080411T2315Z/
CLARKE AL-
601 PM CDT FRI APR 11 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR CENTRAL
CLARKE COUNTY...
AT 557 PM CDT.... THE RADAR INDICATED TORNADO WAS LOCATED NEAR
WINN...OR ABOUT 8 MILES WEST OF GROVE HILL...MOVING EAST AT 35 MPH.
THE TORNADO WILL BE NEAR...
GROVE HILL AND PEACOCK BY 610 PM CDT...
WHATELY AND DICKINSON BY 615 PM CDT...
THIS STORM HAS EXHIBITED PERIODIC FLUCTUATIONS IN INTENSITY...AND IS
FORECAST TO CONTINUE TO POSSESS DEEP ROTATION THROUGH 615 PM CDT.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY
EVENING FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
LAT...LON 3162 8764 3161 8779 3163 8795 3169 8796
3174 8793 3180 8766
TIME...MOT...LOC 2301Z 261DEG 32KT 3168 8787
$$000
WWUS54 KMOB 112315
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
613 PM CDT FRI APR 11 2008
ALC025-112323-
/O.EXP.KMOB.TO.W.0051.000000T0000Z-080411T2315Z/
CLARKE AL-
613 PM CDT FRI APR 11 2008
...THE TORNADO WARNING FOR CENTRAL CLARKE COUNTY WILL BE ALLOWED TO
EXPIRE AT 615 PM CDT...
THE STORM HAS GREATLY DECREASED IN INTENSITY SINCE 605 PM CST. ALSO
...ROTATION HAS CONSIDERABLY WEAKENED. A SEVERE THUNDERSTORM
WARNING WILL NOT BE ISSUED UNLESS THE STORM SOON INTENSIFIES.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY
EVENING FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
LAT...LON 3162 8764 3161 8779 3163 8795 3169 8796
3174 8793 3180 8766
TIME...MOT...LOC 2313Z 261DEG 32KT 3170 8775
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 11:45 AM CDT | Flash Flood Watch | MOB | Covington, Escambia | 11 hr |
| Apr 11, 2:07 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw, Clarke | 38 min |
| Apr 11, 4:22 PM CDT | Tornado Warning | MOB | Choctaw, Washington | 53 min |
| Apr 11, 4:53 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw, Clarke, Washington | 52 min |
| Apr 11, 5:15 PM CDT | Tornado Warning | MOB | Choctaw, Washington | 30 min |
| Apr 11, 5:52 PM CDT | Flash Flood Warning | MOB | Choctaw, Clarke, Washington | 113 min |
| Apr 11, 6:09 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 27 min |
Nearby
Tornado Warnings in Alabama, 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.