Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 144, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 25, 2012, 4:50 PM CDT for Okaloosa County, Santa Rosa County, Florida. It was in force for 55 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 25, 2012, 4:50 PM CDT (21:50 UTC)
- Expired
- Jul 25, 2012, 5:45 PM CDT
- In force
- 55 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Okaloosa County, FL, Santa Rosa County, FL
The radar
The Eglin Afb radar (KEVX), 67 km from the middle of the area, began a volume at 21:49 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, 9.8 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
- 2761 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 873 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
318
WUUS54 KMOB 252150
SVRMOB
FLC091-113-252245-
/O.NEW.KMOB.SV.W.0144.120725T2150Z-120725T2245Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
450 PM CDT WED JUL 25 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL OKALOOSA COUNTY IN NORTHWEST FLORIDA...
EAST CENTRAL SANTA ROSA COUNTY IN NORTHWEST FLORIDA...
* UNTIL 545 PM CDT
* AT 446 PM CDT...SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS OVER 60 MPH WERE LOCATED ALONG A LINE EXTENDING FROM 15 MILES
WEST OF CRESTVIEW TO 9 MILES WEST OF CRESTVIEW TO 8 MILES
NORTH OF NICEVILLE...AND MOVING NORTH TO NORTHEAST AT 5 MPH.
* LOCATIONS IMPACTED INCLUDE...
CRESTVIEW...
BAKER...
THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 37 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.
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY! IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.
&&
LAT...LON 3073 8639 3052 8640 3067 8695 3091 8688
TIME...MOT...LOC 2149Z 255DEG 3KT 3080 8682 3074 8673
3063 8647
$$1 follow-up statement
794
WWUS54 KMOB 252241
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
541 PM CDT WED JUL 25 2012
FLC091-113-252251-
/O.EXP.KMOB.SV.W.0144.000000T0000Z-120725T2245Z/
OKALOOSA FL-SANTA ROSA FL-
541 PM CDT WED JUL 25 2012
...THE SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE FOR
EAST CENTRAL SANTA ROSA AND CENTRAL OKALOOSA COUNTIES...
AT 538 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR EAST CENTRAL
SANTA ROSA AND CENTRAL OKALOOSA COUNTIES HAS WEAKENED TO BELOW SEVERE
LIMITS...THUS THE SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO
EXPIRE AT 545 PM CDT.
LAT...LON 3073 8639 3052 8640 3067 8695 3091 8688
TIME...MOT...LOC 2241Z 255DEG 3KT 3081 8677 3075 8668
3064 8642
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 2:48 PM CDT | Areal Flood Advisory | MOB | Escambia | 57 min |
| Jul 25, 5:26 PM CDT | Severe Thunderstorm Warning | MOB | Okaloosa, Santa Rosa | 38 min |
Nearby
Severe Thunderstorm Warnings in Florida, 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.