Alert archive / Alabama / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 177, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 3, 2011, 6:50 PM CDT for Choctaw County, Alabama. It was in force for 25 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
- Jul 3, 2011, 6:50 PM CDT (23:50 UTC)
- Expired
- Jul 3, 2011, 7:15 PM CDT
- In force
- 25 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Choctaw County, AL
The radar
The Jackson/Brandon,MS radar (KDGX), 156 km from the middle of the area, began a volume at 23:50 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 nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 11.8 hours before the alert went out and 165 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
- 1580 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 1478 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
105
WUUS54 KMOB 032350
SVRMOB
ALC023-040015-
/O.NEW.KMOB.SV.W.0177.110703T2350Z-110704T0015Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
650 PM CDT SUN JUL 3 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 715 PM CDT
* AT 650 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 9 MILES
NORTHWEST OF BUTLER...OR 9 MILES SOUTHWEST OF LISMAN...AND MOVING
NORTH AT 10 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
PUSHMATAHA AND CYRIL AROUND 705 PM CDT...
YANTLEY...CROMWELL AND MOLLIE AROUND 715 PM CDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THE STORM...TAKE IMMEDIATE ACTION TO
PROTECT LIFE AND PROPERTY.
&&
LAT...LON 3224 8825 3209 8821 3205 8842 3215 8845
3227 8843 3229 8829
TIME...MOT...LOC 2350Z 168DEG 8KT 3216 8834
$$1 follow-up statement
446
WWUS54 KMOB 040011
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
711 PM CDT SUN JUL 3 2011
ALC023-040022-
/O.EXP.KMOB.SV.W.0177.000000T0000Z-110704T0015Z/
CHOCTAW AL-
711 PM CDT SUN JUL 3 2011
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CHOCTAW COUNTY
WILL EXPIRE AT 715 PM CDT...
LAT...LON 3224 8825 3209 8821 3205 8842 3215 8845
3227 8843 3229 8829
TIME...MOT...LOC 0012Z 168DEG 8KT 3221 8835
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 11:26 AM CDT | Special Marine Warning | MOB | 49 min | |
| Jul 3, 3:54 PM CDT | Severe Thunderstorm Warning | MOB | Monroe | 51 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2011Every severe thunderstorm warning in 2011
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.