Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 19, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Feb 18, 2012, 6:06 PM CST for Escambia County, Okaloosa County, Santa Rosa County, Florida. It was in force for 54 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
- Feb 18, 2012, 6:06 PM CST (00:06 UTC)
- Expired
- Feb 18, 2012, 7:00 PM CST
- In force
- 54 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL
The radar
The Eglin Afb radar (KEVX), 79 km from the middle of the area, began a volume at 00:07 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 18, 4:48 PM CST | Tornado Watch | SPC | 4 hr |
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 0.1 hours before the alert went out and 234 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
- 566 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 257 m²/s²
- 0-3 km storm-relative helicity
- 378 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
419
WUUS54 KMOB 190006
SVRMOB
FLC033-091-113-190100-
/O.NEW.KMOB.SV.W.0019.120219T0006Z-120219T0100Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
606 PM CST SAT FEB 18 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EXTREME SOUTHEASTERN ESCAMBIA COUNTY IN NORTHWEST FLORIDA...
OKALOOSA COUNTY IN NORTHWEST FLORIDA...
SOUTHEASTERN SANTA ROSA COUNTY IN NORTHWEST FLORIDA...
* UNTIL 700 PM CST
* AT 606 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM FLORALA TO 6 MILES SOUTH OF GULF BREEZE...AND MOVING EAST AT
20 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
WOODLAWN BEACH AROUND 620 PM CST...
CRESTVIEW AROUND 625 PM CST...
NAVARRE AROUND 635 PM CST...
NAVARRE BEACH AROUND 645 PM CST...
WRIGHT AROUND 700 PM CST...
THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 36 AND 67.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS!
&&
LAT...LON 3034 8716 3035 8721 3037 8719 3045 8695
3051 8704 3043 8709 3045 8710 3099 8653
3099 8639 3045 8639 3044 8642 3048 8646
3042 8659 3040 8653 3042 8644 3038 8639
3037 8640 3039 8676 3032 8725
TIME...MOT...LOC 0006Z 270DEG 17KT 3103 8632 3029 8719
$$
JP/MB1 follow-up statement
251
WWUS54 KMOB 190044
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
644 PM CST SAT FEB 18 2012
FLC033-190054-
/O.CAN.KMOB.SV.W.0019.000000T0000Z-120219T0100Z/
ESCAMBIA FL-
644 PM CST SAT FEB 18 2012
...THE SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTHEASTERN ESCAMBIA
COUNTY IS CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CST SUNDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.
LAT...LON 3038 8692 3039 8688 3039 8687 3040 8689
3078 8639 3078 8638 3045 8639 3044 8642
3048 8646 3042 8659 3040 8658 3040 8653
3042 8644 3039 8640 3037 8642 3039 8676
TIME...MOT...LOC 0044Z 311DEG 23KT 3072 8631 3037 8677
$$
FLC091-113-190100-
/O.CON.KMOB.SV.W.0019.000000T0000Z-120219T0100Z/
OKALOOSA FL-SANTA ROSA FL-
644 PM CST SAT FEB 18 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CST
FOR SOUTHEASTERN SANTA ROSA AND SOUTHERN OKALOOSA COUNTIES...
AT 644 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 18 MILES NORTH OF SEMINOLE TO WYNNEHAVEN BEACH...OR
ALONG A LINE EXTENDING FROM 11 MILES EAST OF CRESTVIEW TO 8 MILES
WEST OF MARY ESTHER...MOVING SOUTHEAST AT 25 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
LONGWOOD...GARNIER...OCEAN CITY AND CINCO BAYOU BY 650 PM CST...
POSTIL...EGLIN VILLAGE...DANA POINT AND SHALIMAR BY 655 PM CST...
SEMINOLE AND FORT WALTON BEACH BY 700 PM CST...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CST SUNDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.
&&
LAT...LON 3038 8692 3039 8688 3039 8687 3040 8689
3078 8639 3078 8638 3045 8639 3044 8642
3048 8646 3042 8659 3040 8658 3040 8653
3042 8644 3039 8640 3037 8642 3039 8676
TIME...MOT...LOC 0044Z 311DEG 23KT 3072 8631 3037 8677
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 19, 8:30 AM CST | River Flood Warning | MOB | Okaloosa | 25 hr |
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.