Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 170, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Aug 3, 2012, 4:40 PM CDT for Butler County, Conecuh County, Alabama. It was in force for 35 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 3, 2012, 4:40 PM CDT (21:40 UTC)
- Expired
- Aug 3, 2012, 5:15 PM CDT
- In force
- 35 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Butler County, AL, Conecuh County, AL
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 9.7 hours before the alert went out and 185 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
- 1920 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 586 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
039 WUUS54 KMOB 032140 SVRMOB ALC013-035-032215- /O.NEW.KMOB.SV.W.0170.120803T2140Z-120803T2215Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 440 PM CDT FRI AUG 3 2012 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN BUTLER COUNTY IN SOUTH CENTRAL ALABAMA... NORTHEASTERN CONECUH COUNTY IN SOUTH CENTRAL ALABAMA... * UNTIL 515 PM CDT * AT 432 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS NEAR 60 MPH WAS LOCATED APPROXIMATELY 11 MILES NORTHEAST OF EVERGREEN...AND WAS MOVING SOUTHEAST AT 10 MPH. * LOCATIONS IMPACTED INCLUDE... I65 AND CR 7... I65 AND AL 106... I65 AND US 84... I65 AND CR 29... I65 AND AL 83... EVERGREEN... THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 90 AND 114. LAT...LON 3138 8704 3163 8708 3174 8681 3149 8670 TIME...MOT...LOC 2139Z 342DEG 11KT 3155 8687 $$
1 follow-up statement
274 WWUS54 KMOB 032215 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 515 PM CDT FRI AUG 3 2012 ALC013-035-032224- /O.EXP.KMOB.SV.W.0170.000000T0000Z-120803T2215Z/ BUTLER AL-CONECUH AL- 515 PM CDT FRI AUG 3 2012 ...THE SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE FOR NORTHEASTERN CONECUH AND SOUTHWESTERN BUTLER COUNTIES... AT 513 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTHEASTERN CONECUH AND SOUTHWESTERN BUTLER COUNTIES HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE AT 515 PM CDT. THE STORMS OVER CONECUH AND BUTLER COUNTIES WILL CONTINUE TO BE CAPABLE OF PRODUCING WIND GUSTS AROUND 45 MPH...SMALL HAIL AND FREQUENT LIGHTNING STRIKES. LAT...LON 3138 8704 3163 8708 3174 8681 3149 8670 TIME...MOT...LOC 2214Z 342DEG 11KT 3145 8683 $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 3:22 PM CDT | Areal Flood Advisory | MOB | Mobile | 113 min |
| Aug 3, 3:33 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 42 min |
| Aug 3, 4:20 PM CDT | Severe Thunderstorm Warning | MOB | Covington | 25 min |
| Aug 3, 5:12 PM CDT | Severe Thunderstorm Warning | MOB | Washington | 20 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2012Every severe thunderstorm warning 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.