Alert archive / Alabama / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 111, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jun 10, 2011, 5:54 PM CDT for Clarke County, Alabama. It was in force for 51 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, 5:54 PM CDT (22:54 UTC)
- Expired
- Jun 10, 2011, 6:45 PM CDT
- In force
- 51 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Clarke County, AL
The radar
The Mobile radar (KMOB), 126 km from the middle of the area, began a volume at 22:55 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, 10.9 hours before the alert went out and 192 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
- 539 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 1376 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
115
WUUS54 KMOB 102254
SVRMOB
ALC025-102345-
/O.NEW.KMOB.SV.W.0111.110610T2254Z-110610T2345Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
554 PM CDT FRI JUN 10 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN CLARKE COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 645 PM CDT
* AT 550 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 10 MILES NORTHWEST OF
THOMASVILLE...OR NEAR HOLTAMVILLE...AND MOVING SOUTH AT 20 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
COFFEEVILLE AROUND 645 PM CDT...
&&
LAT...LON 3167 8788 3175 8809 3176 8811 3176 8812
3177 8815 3200 8801 3200 8777
TIME...MOT...LOC 2255Z 022DEG 19KT 3197 8790
$$1 follow-up statement
670
WWUS54 KMOB 102317
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
617 PM CDT FRI JUN 10 2011
ALC025-102345-
/O.CON.KMOB.SV.W.0111.000000T0000Z-110610T2345Z/
CLARKE AL-
617 PM CDT FRI JUN 10 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR NORTHWESTERN CLARKE COUNTY...
AT 613 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR MCENTYRE...OR 14 MILES
NORTHWEST OF GROVE HILL...MOVING SOUTH AT 20 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
CENTER POINT BY 625 PM CDT...
6 MILES WEST OF CLARKSVILLE AND 7 MILES WEST OF ZIMCO BY 630 PM
CDT...
COFFEEVILLE BY 635 PM CDT...
LAT...LON 3200 8777 3167 8788 3172 8802 3175 8809
3176 8811 3176 8813 3177 8815 3200 8801
TIME...MOT...LOC 2318Z 022DEG 19KT 3181 8796
$$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, 5:56 PM CDT | Special Marine Warning | MOB | 49 min | |
| Jun 10, 6:36 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw, Clarke, Washington | 21 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.