Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 155, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 30, 2012, 5:11 PM CDT for Covington County, Alabama. It was in force for 64 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 30, 2012, 5:11 PM CDT (22:11 UTC)
- Expired
- Jul 30, 2012, 6:15 PM CDT
- In force
- 64 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Covington County, AL
The radar
The Eglin Afb radar (KEVX), 67 km from the middle of the area, began a volume at 22:11 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
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.2 hours before the alert went out and 203 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
- 3159 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 518 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
093
WUUS54 KMOB 302211
SVRMOB
ALC039-302315-
/O.NEW.KMOB.SV.W.0155.120730T2211Z-120730T2315Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
511 PM CDT MON JUL 30 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN COVINGTON COUNTY IN SOUTH CENTRAL ALABAMA...
* UNTIL 615 PM CDT
* AT 507 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
WINDS OVER 60 MPH WAS LOCATED 7 MILES SOUTHWEST OF OPP...OR 2 MILES
SOUTHWEST OF ONYCHA...AND MOVING SOUTH AT 15 MPH.
* LOCATIONS IMPACTED INCLUDE...
HORN HILL... ONYCHA... LOCKHART...
FLORALA...
LAT...LON 3099 8619 3099 8639 3099 8643 3126 8642
3128 8621 3115 8618 3100 8618
TIME...MOT...LOC 2211Z 355DEG 12KT 3118 8631
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 10:28 AM CDT | Heat Advisory | MOB | 5 hr | |
| Jul 30, 12:52 PM CDT | Special Marine Warning | MOB | 68 min | |
| Jul 30, 1:25 PM CDT | Special Marine Warning | MOB | 65 min | |
| Jul 30, 2:02 PM CDT | Special Marine Warning | MOB | 88 min | |
| Jul 30, 2:27 PM CDT | Severe Thunderstorm Warning | MOB | Mobile, Washington | 17 min |
| Jul 30, 2:28 PM CDT | Special Marine Warning | MOB | 92 min | |
| Jul 30, 2:34 PM CDT | Special Marine Warning | MOB | 86 min | |
| Jul 30, 2:49 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 56 min |
| Jul 30, 3:03 PM CDT | Special Marine Warning | MOB | 87 min | |
| Jul 30, 3:04 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 56 min |
| Jul 30, 3:30 PM CDT | Special Marine Warning | MOB | 90 min | |
| Jul 30, 3:38 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 67 min |
| Jul 30, 4:03 PM CDT | Special Marine Warning | MOB | 87 min | |
| Jul 30, 4:14 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 61 min |
| Jul 30, 4:53 PM CDT | Special Marine Warning | MOB | 97 min | |
| Jul 30, 5:21 PM CDT | Severe Thunderstorm Warning | MOB | Escambia | 54 min |
| Jul 30, 6:34 PM CDT | Severe Thunderstorm Warning | MOB | Covington | 47 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2012Every severe thunderstorm warning in 2012
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.