Alert archive / Alabama / Tornado Warnings in 2012
Tornado Warning 62, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Aug 30, 2012, 9:01 AM CDT for Mobile County, Washington County, Alabama. It was in force for 44 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
- Aug 30, 2012, 9:01 AM CDT (14:01 UTC)
- Expired
- Aug 30, 2012, 9:45 AM CDT
- In force
- 44 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Mobile County, AL, Washington County, AL
The radar
The Mobile radar (KMOB), 53 km from the middle of the area, began a volume at 14:02 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 |
|---|---|---|---|
| Aug 30, 7:13 AM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 2.0 hours before the alert went out and 168 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
- 0 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 282 m²/s²
- 0-3 km storm-relative helicity
- 332 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.4
The text
As transmitted, in the capitals the NWS used until 2016.
886 WFUS54 KMOB 301401 TORMOB ALC097-129-301445- /O.NEW.KMOB.TO.W.0062.120830T1401Z-120830T1445Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MOBILE AL 901 AM CDT THU AUG 30 2012 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * TORNADO WARNING FOR... NORTHWESTERN MOBILE COUNTY IN SOUTHWEST ALABAMA... SOUTHERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA... * UNTIL 945 AM CDT * AT 858 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED 12 MILES NORTHWEST OF REGIONAL AIRPORT IN WEST MOBILE...OR 6 MILES NORTHWEST OF SEMMES...MOVING NORTH AT 40 MPH. * LOCATIONS IMPACTED INCLUDE... GULFCREST... CITRONELLE... VINEGAR BEND... TIBBIE... DEER PARK... PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT THURSDAY AFTERNOON FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI. && LAT...LON 3142 8836 3136 8807 3078 8827 3080 8842 TIME...MOT...LOC 1401Z 192DEG 35KT 3086 8834 $$
2 follow-up statements
026 WWUS54 KMOB 301423 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 923 AM CDT THU AUG 30 2012 ALC097-129-301445- /O.CON.KMOB.TO.W.0062.000000T0000Z-120830T1445Z/ WASHINGTON AL-MOBILE AL- 923 AM CDT THU AUG 30 2012 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 AM CDT FOR NORTHWESTERN MOBILE AND SOUTHERN WASHINGTON COUNTIES... AT 916 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED 6 MILES SOUTHWEST OF CITRONELLE...OR 5 MILES NORTHWEST OF GULFCREST...MOVING NORTH AT 45 MPH. ADDITIONAL WEAK CIRCULATIONS WERE DETECTED ON RADAR NEAR AND NORTH OF WILMER. THESE CIRCULATIONS WILL ALSO BE CAPABLE OF STRENGTHENING RAPIDLY AND PRODUCING BRIEF TORNADOES AS THEY QUICKLY MOVE NORTH LOCATIONS IMPACTED INCLUDE... GULFCREST... CITRONELLE... VINEGAR BEND... TIBBIE... DEER PARK... PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT THURSDAY AFTERNOON FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI. && LAT...LON 3142 8836 3136 8807 3078 8827 3080 8842 TIME...MOT...LOC 1421Z 191DEG 40KT 3109 8830 $$
686 WWUS54 KMOB 301444 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 944 AM CDT THU AUG 30 2012 ALC097-129-301454- /O.EXP.KMOB.TO.W.0062.000000T0000Z-120830T1445Z/ WASHINGTON AL-MOBILE AL- 944 AM CDT THU AUG 30 2012 ...THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE FOR NORTHWESTERN MOBILE AND SOUTHERN WASHINGTON COUNTIES... AT 939 AM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTHWESTERN MOBILE AND SOUTHERN WASHINGTON COUNTIES HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE TORNADO WARNING WILL BE ALLOWED TO EXPIRE AT 945 AM CDT. ALTHOUGH THIS WARNING HAS EXPIRED...ADDITIONAL STORMS MAY DEVELOP REQUIRING NEW WARNINGS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT THURSDAY AFTERNOON FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI. LAT...LON 3142 8836 3136 8807 3078 8827 3080 8842 TIME...MOT...LOC 1444Z 191DEG 40KT 3134 8824 $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 7:27 PM CDT | Tornado Warning | MOB | Monroe, Wilcox | 30 min |
| Aug 29, 7:29 PM CDT | Small Craft Advisory | MOB | 33 hr | |
| Aug 29, 7:45 PM CDT | Coastal Flood Warning | MOB | 21 hr | |
| Aug 30, 12:22 AM CDT | Flash Flood Warning | MOB | Mobile, Washington | 6 hr |
| Aug 30, 12:52 AM CDT | Wind Advisory | MOB | Washington | 16 hr |
| Aug 30, 2:28 AM CDT | Areal Flood Warning | MOB | Mobile, Washington | 12 hr |
| Aug 30, 2:46 AM CDT | Tornado Warning | MOB | Covington | 33 min |
| Aug 30, 3:53 AM CDT | Tornado Warning | MOB | Covington, Escambia | 37 min |
| Aug 30, 4:09 AM CDT | Tornado Warning | MOB | Butler, Crenshaw | 16 min |
| Aug 30, 4:31 AM CDT | Tornado Warning | MOB | Washington | 29 min |
| Aug 30, 4:32 AM CDT | Tornado Warning | MOB | Covington | 28 min |
| Aug 30, 6:43 AM CDT | Tornado Warning | MOB | Choctaw, Washington | 37 min |
| Aug 30, 7:41 AM CDT | Tornado Warning | MOB | Mobile | 33 min |
| Aug 30, 8:10 AM CDT | Tornado Warning | MOB | Choctaw, Washington | 35 min |
| Aug 30, 8:13 AM CDT | Tornado Warning | MOB | Washington | 32 min |
| Aug 30, 8:45 AM CDT | Tornado Warning | MOB | Choctaw, Washington | 45 min |
| Aug 30, 10:16 AM CDT | Tornado Warning | MOB | Choctaw, Washington | 44 min |
| Aug 30, 10:56 AM CDT | Tornado Warning | MOB | Choctaw | 49 min |
| Aug 30, 11:32 AM CDT | Severe Thunderstorm Warning | MOB | Mobile | 43 min |
| Aug 30, 11:44 AM CDT | Flash Flood Warning | MOB | Mobile, Washington | 6 hr |
| Aug 30, 11:56 AM CDT | Tornado Warning | MOB | Choctaw | 33 min |
| Aug 30, 4:29 PM CDT | High Surf Advisory | MOB | 20 hr |
Nearby
Tornado Warnings in Alabama, 2012Every tornado warning in 2012Tornadoes in 2012
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.