Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 178, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Aug 14, 2012, 6:00 PM CDT for Okaloosa County, Santa Rosa County, Florida; Covington County, Escambia County, Alabama. It was in force for 60 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 14, 2012, 6:00 PM CDT (23:00 UTC)
- Expired
- Aug 14, 2012, 7:00 PM CDT
- In force
- 60 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Covington County, AL, Escambia County, AL, Okaloosa County, FL, Santa Rosa County, FL
The radar
The Eglin Afb radar (KEVX), 73 km from the middle of the area, began a volume at 22:59 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, 11.0 hours before the alert went out and 223 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
- 1774 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 734 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.2
The text
As transmitted, in the capitals the NWS used until 2016.
388
WUUS54 KMOB 142300
SVRMOB
ALC039-053-FLC091-113-150000-
/O.NEW.KMOB.SV.W.0178.120814T2300Z-120815T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
600 PM CDT TUE AUG 14 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN OKALOOSA COUNTY IN NORTHWEST FLORIDA...
NORTHEASTERN SANTA ROSA COUNTY IN NORTHWEST FLORIDA...
SOUTHERN COVINGTON COUNTY IN SOUTH CENTRAL ALABAMA...
SOUTHEASTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...
* UNTIL 700 PM CDT
* AT 555 PM CDT...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG A LINE EXTENDING FROM
20 MILES SOUTHWEST OF ANDALUSIA TO 15 MILES WEST OF CRESTVIEW TO
10 MILES NORTH OF MILTON...AND MOVING EAST AT 35 MPH.
* LOCATIONS IMPACTED INCLUDE...
LAUREL HILL... CRESTVIEW... BAKER...
LOCKHART... FLORALA...
THIS INCLUDES INTERSTATE 10 IN FLORIDA BETWEEN MILE MARKERS 46 AND
67.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. PREPARE FOR DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
&&
LAT...LON 3098 8639 3061 8639 3080 8712 3099 8686
3117 8674 3120 8619 3100 8618
TIME...MOT...LOC 2259Z 272DEG 30KT 3108 8661 3093 8665
3083 8677 3078 8701
$$2 follow-up statements
033
WWUS54 KMOB 142322
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
622 PM CDT TUE AUG 14 2012
ALC053-FLC113-142331-
/O.CAN.KMOB.SV.W.0178.000000T0000Z-120815T0000Z/
ESCAMBIA AL-SANTA ROSA FL-
622 PM CDT TUE AUG 14 2012
...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR
NORTHEASTERN SANTA ROSA AND SOUTHEASTERN ESCAMBIA COUNTIES...
AT 622 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTHEASTERN
SANTA ROSA AND SOUTHEASTERN ESCAMBIA COUNTIES HAS MOVED OUT OF THE
COUNTY...THUS THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.
LAT...LON 3099 8638 3098 8639 3061 8639 3072 8679
3082 8679 3094 8676 3103 8667 3118 8661
3120 8619 3100 8619
TIME...MOT...LOC 2321Z 272DEG 30KT 3107 8642 3093 8644
3075 8673
$$
ALC039-FLC091-150000-
/O.CON.KMOB.SV.W.0178.000000T0000Z-120815T0000Z/
COVINGTON AL-OKALOOSA FL-
622 PM CDT TUE AUG 14 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR NORTHERN OKALOOSA AND SOUTHERN COVINGTON COUNTIES...
AT 622 PM CDT...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG A LINE EXTENDING FROM 10
MILES NORTHWEST OF FLORALA TO 10 MILES SOUTHWEST OF FLORALA TO 10
MILES WEST OF CRESTVIEW...MOVING EAST AT 35 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
CRESTVIEW AROUND 635 PM CDT...
THIS INCLUDES INTERSTATE 10 IN FLORIDA BETWEEN MILE MARKERS 46 AND
67.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THESE ARE DANGEROUS STORMS. PREPARE FOR DAMAGING WINDS. PEOPLE
OUTSIDE SHOULD MOVE INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
&&
LAT...LON 3099 8638 3098 8639 3061 8639 3072 8679
3082 8679 3094 8676 3103 8667 3118 8661
3120 8619 3100 8619
TIME...MOT...LOC 2321Z 272DEG 30KT 3107 8642 3093 8644
3075 8673
$$606
WWUS54 KMOB 150001
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
701 PM CDT TUE AUG 14 2012
ALC039-FLC091-150011-
/O.EXP.KMOB.SV.W.0178.000000T0000Z-120815T0000Z/
COVINGTON AL-OKALOOSA FL-
701 PM CDT TUE AUG 14 2012
...THE SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE FOR
NORTHERN OKALOOSA AND SOUTHERN COVINGTON COUNTIES...
AT 700 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTHERN
OKALOOSA AND SOUTHERN COVINGTON COUNTIES HAS MOVED OUT OF THE
COUNTY...THUS THE SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED TO
EXPIRE.
LAT...LON 3099 8638 3098 8639 3061 8639 3072 8679
3082 8679 3094 8676 3103 8667 3118 8661
3120 8619 3100 8619
TIME...MOT...LOC 2322Z 272DEG 30KT 3107 8641 3093 8643
3075 8672
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 5:04 PM CDT | Severe Thunderstorm Warning | MOB | Okaloosa, Santa Rosa | 56 min |
| Aug 14, 3:04 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 41 min |
| Aug 14, 3:16 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 44 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2012Severe 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.