Alert archive / Alabama / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 112, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jun 10, 2011, 6:36 PM CDT for Choctaw County, Clarke County, Washington County, Alabama. It was in force for 21 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
- Jun 10, 2011, 6:36 PM CDT (23:36 UTC)
- Expired
- Jun 10, 2011, 6:57 PM CDT
- In force
- 21 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Choctaw County, AL, Clarke County, AL, Washington County, AL
The radar
The Mobile radar (KMOB), 110 km from the middle of the area, began a volume at 23:36 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, 11.6 hours before the alert went out and 200 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
- 210 J/kg
- Mixed-layer CIN
- -118 J/kg
- Mixed-layer LCL
- 1448 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -35 m²/s²
- 0-3 km storm-relative helicity
- -21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
767 WUUS54 KMOB 102336 SVRMOB ALC023-025-129-110015- /O.NEW.KMOB.SV.W.0112.110610T2336Z-110611T0015Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 636 PM CDT FRI JUN 10 2011 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTH CENTRAL CHOCTAW COUNTY IN SOUTHWEST ALABAMA... WEST CENTRAL CLARKE COUNTY IN SOUTHWEST ALABAMA... NORTH CENTRAL WASHINGTON COUNTY IN SOUTHWEST ALABAMA... * UNTIL 715 PM CDT * AT 632 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 15 MILES WEST OF GROVE HILL...OR NEAR COFFEEVILLE...AND MOVING SOUTHWEST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... SERVICE AROUND 655 PM CDT... && LAT...LON 3151 8815 3168 8833 3188 8802 3174 8789 TIME...MOT...LOC 2336Z 050DEG 14KT 3175 8804 $$
1 follow-up statement
058 WWUS54 KMOB 102357 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 657 PM CDT FRI JUN 10 2011 ALC023-025-129-110007- /O.CAN.KMOB.SV.W.0112.000000T0000Z-110611T0015Z/ WASHINGTON AL-CLARKE AL-CHOCTAW AL- 657 PM CDT FRI JUN 10 2011 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL CHOCTAW...WEST CENTRAL CLARKE AND NORTH CENTRAL WASHINGTON COUNTIES IS CANCELLED... THE STORM HAS WEAKENED BELOW SEVERE LIMITS. LAT...LON 3151 8815 3168 8833 3188 8802 3174 8789 TIME...MOT...LOC 2357Z 050DEG 14KT 3170 8811 $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 4:37 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 53 min |
| Jun 10, 5:15 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 29 min |
| Jun 10, 5:18 PM CDT | Special Marine Warning | MOB | 42 min | |
| Jun 10, 5:54 PM CDT | Severe Thunderstorm Warning | MOB | Clarke | 51 min |
| Jun 10, 5:56 PM CDT | Special Marine Warning | MOB | 49 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.