Alert archive / Alabama / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 58, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at May 13, 2011, 3:16 PM CDT for Covington County, Alabama. It was in force for 16 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 13, 2011, 3:16 PM CDT (20:16 UTC)
- Expired
- May 13, 2011, 3:32 PM CDT
- In force
- 16 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Covington County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 13, 3:20 PM CDT | HAIL 1 | 1 E Opp, AL | QUARTER SIZE HAIL REPORTED NEAR OPP. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 8.3 hours before the alert went out and 206 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1749 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
353
WUUS54 KMOB 132016
SVRMOB
ALC039-132100-
/O.NEW.KMOB.SV.W.0058.110513T2016Z-110513T2100Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
316 PM CDT FRI MAY 13 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EAST CENTRAL COVINGTON COUNTY IN SOUTH CENTRAL ALABAMA...
* UNTIL 400 PM CDT
* AT 310 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
OPP...OR NEAR KINSTON...AND MOVING NORTHEAST AT 25 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
FRIENDSHIP AROUND 335 PM CDT...
&&
LAT...LON 3116 8619 3119 8627 3145 8620 3145 8619
3143 8618 3117 8618
TIME...MOT...LOC 2016Z 203DEG 23KT 3126 8619
$$1 follow-up statement
381
WWUS54 KMOB 132032
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
332 PM CDT FRI MAY 13 2011
ALC039-132042-
/O.CAN.KMOB.SV.W.0058.000000T0000Z-110513T2100Z/
COVINGTON AL-
332 PM CDT FRI MAY 13 2011
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL COVINGTON COUNTY
IS CANCELLED...
LAT...LON 3116 8619 3119 8627 3145 8620 3145 8619
3143 8618 3117 8618
TIME...MOT...LOC 2032Z 203DEG 23KT 3135 8614
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 12:17 PM CDT | Special Marine Warning | MOB | 58 min | |
| May 13, 1:09 PM CDT | Special Marine Warning | MOB | 66 min | |
| May 13, 1:44 PM CDT | Special Marine Warning | MOB | 61 min | |
| May 13, 2:24 PM CDT | Severe Thunderstorm Warning | MOB | Butler, Crenshaw | 51 min |
| May 13, 3:42 PM CDT | Special Marine Warning | MOB | 2 hr | |
| May 13, 4:15 PM CDT | Special Marine Warning | MOB | 60 min | |
| May 13, 5:17 PM CDT | Special Marine Warning | MOB | 28 min | |
| May 13, 6:22 PM CDT | Marine Weather Statement | MOB | 115 min | |
| May 13, 6:38 PM CDT | Special Marine Warning | MOB | 67 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.