Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 133, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 17, 2012, 3:31 PM CDT for Okaloosa County, Santa Rosa County, Florida. It was in force for 26 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 17, 2012, 3:31 PM CDT (20:31 UTC)
- Expired
- Jul 17, 2012, 3:57 PM CDT
- In force
- 26 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), 80 km from the middle of the area, began a volume at 20:33 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, 8.5 hours before the alert went out and 235 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
- 2058 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 906 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
257
WUUS54 KMOB 172031
SVRMOB
FLC091-113-172130-
/O.NEW.KMOB.SV.W.0133.120717T2031Z-120717T2130Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
331 PM CDT TUE JUL 17 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...
* UNTIL 430 PM CDT
* AT 330 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
WINDS OVER 60 MPH WAS LOCATED 16 MILES NORTHWEST OF CRESTVIEW...OR
10 MILES NORTHWEST OF BAKER...AND MOVING SOUTHEAST AT 20 MPH.
* LOCATIONS IMPACTED INCLUDE...
CRESTVIEW... BAKER...
THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 45 AND 60.
LAT...LON 3058 8669 3094 8691 3100 8676 3099 8672
3070 8648
TIME...MOT...LOC 2032Z 329DEG 18KT 3091 8677
$$1 follow-up statement
025
WWUS54 KMOB 172057
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
357 PM CDT TUE JUL 17 2012
FLC091-113-172107-
/O.CAN.KMOB.SV.W.0133.000000T0000Z-120717T2130Z/
OKALOOSA FL-SANTA ROSA FL-
357 PM CDT TUE JUL 17 2012
...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR
NORTHEASTERN SANTA ROSA AND NORTHERN OKALOOSA COUNTIES...
AT 357 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTHEASTERN
SANTA ROSA AND NORTHERN OKALOOSA COUNTIES HAS WEAKENED TO BELOW
SEVERE LIMITS...THUS THE SEVERE THUNDERSTORM WARNING HAS BEEN
CANCELLED.
TO REPORT SEVERE WEATHER...CALL (800) 284-9059.
LAT...LON 3058 8669 3094 8691 3100 8676 3099 8672
3070 8648
TIME...MOT...LOC 2057Z 329DEG 18KT 3080 8669
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 2:41 PM CDT | Areal Flood Advisory | MOB | Okaloosa | 2 hr |
| Jul 17, 3:33 PM CDT | Severe Thunderstorm Warning | MOB | Okaloosa | 16 min |
| Jul 17, 3:41 PM CDT | Severe Thunderstorm Warning | MOB | Santa Rosa | 26 min |
| Jul 17, 4:10 PM CDT | Severe Thunderstorm Warning | MOB | Escambia, Santa Rosa | 36 min |
| Jul 17, 4:55 PM CDT | Severe Thunderstorm Warning | MOB | Santa Rosa | 50 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.