Alert archive / Mississippi / Tornado Warnings in 2012
Tornado Warning 51, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Aug 30, 2012, 4:31 AM CDT for Greene County, Wayne County, Mississippi; Washington County, Alabama. It was in force for 29 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, 4:31 AM CDT (09:31 UTC)
- Expired
- Aug 30, 2012, 5:00 AM CDT
- In force
- 29 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Washington County, AL, Greene County, MS, Wayne County, MS
The radar
The Mobile radar (KMOB), 99 km from the middle of the area, began a volume at 09:30 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 29, 11:42 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 9.5 hours before the alert went out and 171 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
- 325 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 547 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 316 m²/s²
- 0-3 km storm-relative helicity
- 370 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.3
The text
As transmitted, in the capitals the NWS used until 2016.
582 WFUS54 KMOB 300931 TORMOB ALC129-MSC041-153-301000- /O.NEW.KMOB.TO.W.0051.120830T0931Z-120830T1000Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MOBILE AL 431 AM CDT THU AUG 30 2012 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * TORNADO WARNING FOR... NORTHEASTERN GREENE COUNTY IN SOUTHEAST MISSISSIPPI... SOUTHEASTERN WAYNE COUNTY IN SOUTHEAST MISSISSIPPI... NORTHWESTERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA... * UNTIL 500 AM CDT * AT 426 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED 11 MILES SOUTHWEST OF CHATOM...OR 2 MILES NORTH OF FRUITDALE...MOVING NORTH AT 50 MPH. * LOCATIONS IMPACTED INCLUDE... WAYNESBORO... STATE LINE... BUCKATUNNA... FRUITDALE... PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CDT THURSDAY MORNING FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI. && LAT...LON 3168 8871 3169 8840 3132 8831 3130 8846 TIME...MOT...LOC 0931Z 164DEG 45KT 3144 8843 $$
2 follow-up statements
511 WWUS54 KMOB 300945 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 445 AM CDT THU AUG 30 2012 MSC041-300955- /O.CAN.KMOB.TO.W.0051.000000T0000Z-120830T1000Z/ GREENE MS- 445 AM CDT THU AUG 30 2012 ...THE TORNADO WARNING HAS BEEN CANCELLED FOR NORTHEASTERN GREENE COUNTY... AT 440 AM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTHEASTERN GREENE COUNTY HAS MOVED OUT OF THE COUNTY. A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CDT THURSDAY MORNING FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI. LAT...LON 3168 8871 3169 8840 3145 8838 3144 8847 TIME...MOT...LOC 0945Z 157DEG 34KT 3154 8846 $$ ALC129-MSC153-301000- /O.CON.KMOB.TO.W.0051.000000T0000Z-120830T1000Z/ WASHINGTON AL-WAYNE MS- 445 AM CDT THU AUG 30 2012 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 AM CDT FOR SOUTHEASTERN WAYNE AND NORTHWESTERN WASHINGTON COUNTIES... AT 440 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED 11 MILES WEST OF CHATOM...OR 5 MILES NORTHEAST OF STATE LINE...MOVING NORTHWEST AT 40 MPH. LOCATIONS IMPACTED INCLUDE... WAYNESBORO... BUCKATUNNA... PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CDT THURSDAY MORNING FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI. && LAT...LON 3168 8871 3169 8840 3145 8838 3144 8847 TIME...MOT...LOC 0945Z 157DEG 34KT 3154 8846 $$
268 WWUS54 KMOB 300959 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 459 AM CDT THU AUG 30 2012 ALC129-MSC153-301008- /O.EXP.KMOB.TO.W.0051.000000T0000Z-120830T1000Z/ WASHINGTON AL-WAYNE MS- 459 AM CDT THU AUG 30 2012 ...THE TORNADO WARNING WILL BE ALLOWED TO EXPIRE AT 5 AM CDT FOR SOUTHEASTERN WAYNE AND NORTHWESTERN WASHINGTON COUNTIES... AT 454 AM CDT...THE STORM THAT PROMPTED THE WARNING FOR SOUTHEASTERN WAYNE AND NORTHWESTERN WASHINGTON COUNTIES HAS MOVED OUT OF THE COUNTY. A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CDT THURSDAY MORNING FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI. LAT...LON 3168 8871 3169 8840 3145 8838 3144 8847 TIME...MOT...LOC 0958Z 157DEG 34KT 3165 8852 $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 8:36 PM CDT | Flash Flood Warning | MOB | George, Greene, Perry, Stone | 6 hr |
| Aug 29, 9:42 PM CDT | Tornado Warning | MOB | George, Greene, Perry | 48 min |
| Aug 29, 10:20 PM CDT | River Flood Warning | MOB | George, Greene, Perry | 9 days |
| Aug 29, 10:25 PM CDT | Tornado Warning | MOB | Greene, Perry, Wayne | 26 min |
| Aug 29, 11:20 PM CDT | Flash Flood Warning | MOB | Greene, Perry, Wayne | 6 hr |
| Aug 30, 12:52 AM CDT | Wind Advisory | MOB | George, Greene, Perry, Stone, Wayne | 16 hr |
| Aug 30, 2:13 AM CDT | River Flood Warning | MOB | Perry | 22 hr |
| Aug 30, 2:28 AM CDT | Areal Flood Warning | MOB | George, Greene, Perry, Stone | 12 hr |
| Aug 30, 4:37 AM CDT | River Flood Warning | MOB | George, Greene, Wayne | 9 days |
| Aug 30, 5:22 AM CDT | Tornado Warning | MOB | Wayne | 23 min |
| Aug 30, 5:48 AM CDT | Tornado Warning | MOB | Greene, Wayne | 27 min |
| Aug 30, 6:28 AM CDT | Tornado Warning | MOB | Wayne | 30 min |
| Aug 30, 7:07 AM CDT | Flash Flood Warning | MOB | George | 6 hr |
| Aug 30, 7:18 AM CDT | Flash Flood Warning | MOB | Wayne | 6 hr |
| Aug 30, 7:23 AM CDT | Tornado Warning | MOB | Wayne | 22 min |
| Aug 30, 7:41 AM CDT | Tornado Warning | MOB | George | 33 min |
| Aug 30, 8:10 AM CDT | Tornado Warning | MOB | Wayne | 35 min |
| Aug 30, 8:13 AM CDT | Tornado Warning | MOB | Greene, Wayne | 32 min |
| Aug 30, 8:45 AM CDT | Tornado Warning | MOB | Greene, Wayne | 45 min |
| Aug 30, 9:00 AM CDT | Flash Flood Warning | MOB | Greene | 6 hr |
| Aug 30, 10:17 AM CDT | River Flood Warning | MOB | George, Greene, Jackson | 9 days |
| Aug 30, 1:18 PM CDT | Areal Flood Warning | MOB | George, Greene, Perry, Stone, Wayne | 20 hr |
| 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, 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, 4:32 AM CDT | Tornado Warning | MOB | Covington | 28 min |
| Aug 30, 6:43 AM CDT | Tornado Warning | MOB | Choctaw, Washington | 37 min |
| Aug 30, 9:01 AM CDT | Tornado Warning | MOB | Mobile, Washington | 44 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 Mississippi, 2012Tornado 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.