Alert archive / Mississippi / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 179, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Aug 15, 2012, 2:29 PM CDT for Washington County, Alabama; Greene County, Wayne County, Mississippi. 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 15, 2012, 2:29 PM CDT (19:29 UTC)
- Expired
- Aug 15, 2012, 3:04 PM CDT
- In force
- 35 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Washington County, AL, Greene County, MS, Wayne County, MS
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 7.5 hours before the alert went out and 178 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
- 897 J/kg
- Mixed-layer CIN
- -120 J/kg
- Mixed-layer LCL
- 1081 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.5
The text
As transmitted, in the capitals the NWS used until 2016.
164
WUUS54 KMOB 151929
SVRMOB
ALC129-MSC041-153-152030-
/O.NEW.KMOB.SV.W.0179.120815T1929Z-120815T2030Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
229 PM CDT WED AUG 15 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
SOUTHEASTERN WAYNE COUNTY IN SOUTHEAST MISSISSIPPI...
NORTHWESTERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 330 PM CDT
* AT 225 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
WINDS OVER 60 MPH WAS LOCATED 15 MILES NORTH OF LEAKESVILLE...OR 8
MILES SOUTHWEST OF STATE LINE...AND MOVING NORTHEAST AT 15 MPH.
* LOCATIONS IMPACTED INCLUDE...
STATE LINE... BUCKATUNNA... FRUITDALE...
CHATOM...
LAT...LON 3170 8837 3170 8835 3139 8820 3125 8862
3140 8873
TIME...MOT...LOC 1929Z 231DEG 14KT 3139 8858
$$2 follow-up statements
473
WWUS54 KMOB 151947
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
247 PM CDT WED AUG 15 2012
ALC129-MSC041-153-152030-
/O.CON.KMOB.SV.W.0179.000000T0000Z-120815T2030Z/
WASHINGTON AL-WAYNE MS-GREENE MS-
247 PM CDT WED AUG 15 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM CDT
FOR NORTHEASTERN GREENE...SOUTHEASTERN WAYNE AND NORTHWESTERN
WASHINGTON COUNTIES...
AT 243 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
WINDS OVER 60 MPH WAS LOCATED 13 MILES WEST OF CHATOM...OR 2 MILES
SOUTH OF STATE LINE...MOVING EAST AT 20 MPH.
LOCATIONS IMPACTED INCLUDE...
STATE LINE... BUCKATUNNA... FRUITDALE...
CHATOM...
LAT...LON 3170 8837 3170 8835 3139 8820 3125 8862
3140 8873
TIME...MOT...LOC 1946Z 264DEG 18KT 3141 8845
$$538
WWUS54 KMOB 152004
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
304 PM CDT WED AUG 15 2012
ALC129-MSC041-153-152013-
/O.CAN.KMOB.SV.W.0179.000000T0000Z-120815T2030Z/
WASHINGTON AL-WAYNE MS-GREENE MS-
304 PM CDT WED AUG 15 2012
...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR
NORTHEASTERN GREENE...SOUTHEASTERN WAYNE AND NORTHWESTERN WASHINGTON
COUNTIES...
AT 257 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTHEASTERN
GREENE...SOUTHEASTERN WAYNE AND NORTHWESTERN WASHINGTON COUNTIES HAS
WEAKENED TO BELOW SEVERE LIMITS...THUS THE SEVERE THUNDERSTORM
WARNING HAS BEEN CANCELLED.
LAT...LON 3170 8837 3170 8835 3139 8820 3125 8862
3140 8873
TIME...MOT...LOC 2003Z 231DEG 14KT 3147 8846
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 8:05 PM CDT | Special Marine Warning | MOB | 85 min | |
| Aug 15, 2:56 AM CDT | Special Marine Warning | MOB | 64 min | |
| Aug 15, 5:23 AM CDT | Areal Flood Advisory | MOB | Covington | 112 min |
| Aug 15, 5:42 AM CDT | Areal Flood Advisory | MOB | Mobile | 2 hr |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2012Severe 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.