Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 136, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jun 12, 2021, 1:44 PM CDT for Okaloosa County, Florida. It was in force for 29 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
- Jun 12, 2021, 1:44 PM CDT (18:44 UTC)
- Expired
- Jun 12, 2021, 2:13 PM CDT
- In force
- 29 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Okaloosa County, FL
The radar
The Eglin Afb radar (KEVX), 65 km from the middle of the area, began a volume at 18:45 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, 6.7 hours before the alert went out and 218 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
- 1723 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 555 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
520
WUUS54 KMOB 121844
SVRMOB
FLC091-121930-
/O.NEW.KMOB.SV.W.0136.210612T1844Z-210612T1930Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
144 PM CDT Sat Jun 12 2021
The National Weather Service in Mobile has issued a
* Severe Thunderstorm Warning for...
Southwestern Okaloosa County in northwestern Florida...
* Until 230 PM CDT.
* At 143 PM CDT, a severe thunderstorm was located over Wright,
moving southeast at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Wright, Fort Walton Beach, Destin, Eglin AFB, Mary Esther, Ocean
City, Lake Lorraine, Shalimar and Cinco Bayou.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3048 8674 3057 8656 3035 8639 3029 8639
3029 8665
TIME...MOT...LOC 1843Z 331DEG 23KT 3046 8662
HAIL...1.00IN
WIND...60MPH
$$1 follow-up statement
595
WWUS54 KMOB 121913
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
213 PM CDT Sat Jun 12 2021
FLC091-121923-
/O.CAN.KMOB.SV.W.0136.000000T0000Z-210612T1930Z/
Okaloosa FL-
213 PM CDT Sat Jun 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN OKALOOSA COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has
weakened. Therefore, the warning has been cancelled.
LAT...LON 3048 8674 3057 8656 3035 8639 3029 8639
3029 8665
TIME...MOT...LOC 1909Z 331DEG 23KT 3029 8651
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 1:41 PM CDT | Special Weather Statement | MOB | Okaloosa | 49 min |
| Jun 12, 2:13 PM CDT | Special Weather Statement | MOB | Escambia | 47 min |
| Jun 12, 3:58 PM CDT | Special Weather Statement | MOB | Escambia, Santa Rosa | 62 min |
| Jun 12, 6:03 PM CDT | Special Weather Statement | MOB | Santa Rosa | 42 min |
| Jun 12, 6:56 PM CDT | Severe Thunderstorm Warning | MOB | Okaloosa | 23 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2021Every severe thunderstorm warning in 2021
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.