Alert archive / Florida / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 45, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Apr 14, 2014, 8:50 PM CDT for Okaloosa 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
- Apr 14, 2014, 8:50 PM CDT (01:50 UTC)
- Expired
- Apr 14, 2014, 9:45 PM CDT
- In force
- 55 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Okaloosa County, FL
The radar
The Eglin Afb radar (KEVX), 58 km from the middle of the area, began a volume at 01:53 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 14, 7:49 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 1.8 hours before the alert went out and 212 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
- 127 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 840 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
771
WUUS54 KMOB 150150
SVRMOB
FLC091-150245-
/O.NEW.KMOB.SV.W.0045.140415T0150Z-140415T0245Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
850 PM CDT MON APR 14 2014
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN OKALOOSA COUNTY IN NORTHWEST FLORIDA...
* UNTIL 945 PM CDT
* AT 849 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
WINDS OVER 60 MPH WAS LOCATED NEAR FORT WALTON BEACH...OR NEAR
CINCO BAYOU...AND MOVING NORTHEAST AT 40 MPH.
* LOCATIONS IMPACTED INCLUDE...
OCEAN CITY... FORT WALTON BEACH... SHALIMAR...
LAKE LORRAINE... CINCO BAYOU... WRIGHT...
VALPARAISO... NICEVILLE... MARY ESTHER...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. PREPARE FOR DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT
TUESDAY MORNING FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.
&&
LAT...LON 3039 8668 3044 8671 3073 8639 3045 8639
3044 8642 3048 8646 3045 8649 3042 8659
3040 8658 3040 8653 3042 8649 3042 8644
3041 8640 3038 8639
TIME...MOT...LOC 0150Z 233DEG 34KT 3041 8661
$$1 follow-up statement
478
WWUS54 KMOB 150233
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
933 PM CDT MON APR 14 2014
FLC091-150243-
/O.CAN.KMOB.SV.W.0045.000000T0000Z-140415T0245Z/
OKALOOSA FL-
933 PM CDT MON APR 14 2014
...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR
SOUTHEASTERN OKALOOSA COUNTY...
AT 931 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR SOUTHEASTERN
OKALOOSA COUNTY HAS MOVED OUT OF THE COUNTY...THUS THE SEVERE
THUNDERSTORM WARNING HAS BEEN CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT
TUESDAY MORNING FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.
LAT...LON 3039 8668 3044 8671 3073 8639 3045 8639
3044 8642 3048 8646 3045 8649 3042 8659
3040 8658 3040 8653 3042 8649 3042 8644
3041 8640 3038 8639
TIME...MOT...LOC 0233Z 233DEG 34KT 3065 8623
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 8:28 PM CDT | Severe Thunderstorm Warning | MOB | Escambia, Santa Rosa | 62 min |
| Apr 14, 8:48 PM CDT | Flash Flood Warning | MOB | Escambia, Santa Rosa | 117 min |
| Apr 14, 10:06 PM CDT | Flash Flood Warning | MOB | Escambia, Okaloosa, Santa Rosa | 3 hr |
| Apr 14, 10:45 PM CDT | Areal Flood Warning | MOB | Escambia, Santa Rosa | 6 hr |
| Apr 14, 10:54 PM CDT | Flash Flood Warning | MOB | Okaloosa, Santa Rosa | 3 hr |
| Apr 15, 1:09 AM CDT | Areal Flood Warning | MOB | Escambia, Okaloosa, Santa Rosa | 6 hr |
| Apr 15, 1:46 AM CDT | Areal Flood Warning | MOB | Okaloosa, Santa Rosa | 6 hr |
| Apr 15, 2:08 AM CDT | River Flood Warning | MOB | Okaloosa | 65 hr |
| Apr 15, 4:49 AM CDT | Freeze Watch | MOB | 9 hr | |
| Apr 15, 4:49 AM CDT | Wind Advisory | MOB | 13 hr | |
| Apr 15, 9:30 AM CDT | River Flood Warning | MOB | Escambia | 14 hr |
Nearby
Severe Thunderstorm Warnings in Florida, 2014Every severe thunderstorm warning in 2014
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.