Alert archive / Alabama / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 200, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Aug 22, 2011, 6:00 PM CDT for Escambia County, Monroe County, Alabama. It was in force for 45 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 22, 2011, 6:00 PM CDT (23:00 UTC)
- Expired
- Aug 22, 2011, 6:45 PM CDT
- In force
- 45 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Escambia County, AL, Monroe County, AL
The radar
The Mobile radar (KMOB), 94 km from the middle of the area, began a volume at 23:03 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
Birmingham, AL (KBMX), launched 12:00Z, 11.0 hours before the alert went out and 226 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
- 2770 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 868 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 22 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
395
WUUS54 KMOB 222300
SVRMOB
ALC053-099-222345-
/O.NEW.KMOB.SV.W.0200.110822T2300Z-110822T2345Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
600 PM CDT MON AUG 22 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WESTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...
SOUTHWESTERN MONROE COUNTY IN SOUTH CENTRAL ALABAMA...
* UNTIL 645 PM CDT
* AT 558 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED 9 MILES SOUTHWEST OF FRISCO
CITY...OR 6 MILES SOUTHWEST OF MEGARGEL...AND MOVING SOUTH AT 25
MPH.
* LOCATIONS IMPACTED INCLUDE...
POARCH CREEK RESERVATION... MEGARGEL...
MCCULLOUGH... I65 AND CR 1... I65 AND AL 21...
ATMORE...
THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 48 AND 66.
&&
LAT...LON 3124 8762 3125 8763 3140 8764 3143 8743
3130 8739 3126 8743 3126 8737 3105 8730
3102 8761
TIME...MOT...LOC 2300Z 352DEG 22KT 3132 8752
$$1 follow-up statement
459
WWUS54 KMOB 222322
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
622 PM CDT MON AUG 22 2011
ALC053-099-222345-
/O.CON.KMOB.SV.W.0200.000000T0000Z-110822T2345Z/
ESCAMBIA AL-MONROE AL-
622 PM CDT MON AUG 22 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR SOUTHWESTERN MONROE AND WESTERN ESCAMBIA COUNTIES...
AT 621 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR HUXFORD...OR 11 MILES
NORTH OF ATMORE...MOVING SOUTH AT 25 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO JACK
SPRINGS...MCCULLOUGH...POARCH...STANLEY CROSSROADS...SARDINE...I65
AND AL 21...POARCH CREEK RESERVATION...LITTLE ROCK...EWING FARMS...
MOUNT GILLIS...MARTINVILLE...I65 AND CR 1...FREEMANVILLE...PLEASANT
HILL AND ROBINSONVILLE
LAT...LON 3124 8762 3125 8763 3127 8763 3134 8763
3135 8740 3130 8739 3126 8743 3126 8737
3105 8730 3102 8761
TIME...MOT...LOC 2322Z 352DEG 22KT 3119 8750
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 7:48 PM CDT | Severe Thunderstorm Warning | MOB | Butler | 42 min |
| Aug 22, 5:04 PM CDT | Severe Thunderstorm Warning | MOB | Conecuh, Escambia | 25 min |
| Aug 22, 5:20 PM CDT | Severe Thunderstorm Warning | MOB | Monroe | 25 min |
| Aug 22, 5:39 PM CDT | Severe Thunderstorm Warning | MOB | Butler | 31 min |
| Aug 22, 5:53 PM CDT | Special Marine Warning | MOB | 52 min | |
| Aug 22, 6:21 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 16 min |
| Aug 22, 6:36 PM CDT | Severe Thunderstorm Warning | MOB | Escambia | 39 min |
| Aug 22, 6:54 PM CDT | Special Marine Warning | MOB | 51 min | |
| Aug 22, 6:55 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 38 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.