Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 147, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 30, 2012, 1:49 PM CDT for Okaloosa County, Santa Rosa County, Florida. It was in force for 41 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 30, 2012, 1:49 PM CDT (18:49 UTC)
- Expired
- Jul 30, 2012, 2:30 PM CDT
- In force
- 41 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 18:53 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 30, 2:10 PM CDT | TSTM WND DMG | Milligan, FL | TREES REPORTED DOWN NEAR THE INTERSECTION OF STATE ROUTE 4 AND US 90. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 6.8 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
- 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.
011
WUUS54 KMOB 301849
SVRMOB
FLC091-113-301930-
/O.NEW.KMOB.SV.W.0147.120730T1849Z-120730T1930Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
149 PM CDT MON JUL 30 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 230 PM CDT
* AT 144 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 19 MILES
NORTHWEST OF CRESTVIEW...OR 13 MILES NORTH OF BAKER...AND MOVING
SOUTHEAST AT 30 MPH.
* LOCATIONS IMPACTED INCLUDE...
CRESTVIEW... BAKER...
THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 41 AND 62.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
CONTINUOUS 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.
TO REPORT SEVERE WEATHER...CALL (800) 284-9059.
&&
LAT...LON 3060 8680 3098 8689 3100 8675 3099 8657
3075 8639
TIME...MOT...LOC 1849Z 325DEG 24KT 3095 8674
$$1 follow-up statement
335 WWUS54 KMOB 301904 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 204 PM CDT MON JUL 30 2012 FLC091-113-301930- /O.CON.KMOB.SV.W.0147.000000T0000Z-120730T1930Z/ OKALOOSA FL-SANTA ROSA FL- 204 PM CDT MON JUL 30 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM CDT FOR EAST CENTRAL SANTA ROSA AND NORTHERN OKALOOSA COUNTIES... AT 203 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 11 MILES NORTHWEST OF CRESTVIEW...OR 4 MILES NORTHWEST OF BAKER...MOVING SOUTHEAST AT 30 MPH. LOCATIONS IMPACTED INCLUDE... CRESTVIEW... BAKER... THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 41 AND 62. PRECAUTIONARY/PREPAREDNESS ACTIONS... CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY! IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. TO REPORT SEVERE WEATHER...CALL (800) 284-9059. && LAT...LON 3097 8659 3075 8639 3060 8680 3093 8688 TIME...MOT...LOC 1904Z 337DEG 26KT 3084 8673 $$
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, 2:12 PM CDT | Areal Flood Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 2 hr |
| Jul 30, 2:29 PM CDT | Severe Thunderstorm Warning | MOB | Okaloosa, Santa Rosa | 46 min |
| Jul 30, 2:41 PM CDT | Severe Thunderstorm Warning | MOB | Escambia | 49 min |
| Jul 30, 2:49 PM CDT | Severe Thunderstorm Warning | MOB | Escambia | 56 min |
| Jul 30, 3:04 PM CDT | Severe Thunderstorm Warning | MOB | Escambia | 56 min |
| Jul 30, 3:15 PM CDT | Areal Flood Advisory | MOB | Okaloosa | 2 hr |
| Jul 30, 5:21 PM CDT | Severe Thunderstorm Warning | MOB | Santa Rosa | 54 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.