Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 3, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Feb 15, 2021, 12:55 PM CST for Okaloosa County, Florida. It was in force for 36 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 15, 2021, 12:55 PM CST (18:55 UTC)
- Expired
- Feb 15, 2021, 1:31 PM CST
- In force
- 36 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Okaloosa County, FL
The radar
The Eglin Afb radar (KEVX), 54 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.
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 15, 11:55 AM CST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 6.9 hours before the alert went out and 209 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
- 468 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 252 m²/s²
- 0-3 km storm-relative helicity
- 303 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
795
WUUS54 KMOB 151855
SVRMOB
FLC091-151945-
/O.NEW.KMOB.SV.W.0003.210215T1855Z-210215T1945Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
1255 PM CST Mon Feb 15 2021
The National Weather Service in Mobile has issued a
* Severe Thunderstorm Warning for...
Okaloosa County in northwestern Florida...
* Until 145 PM CST.
* At 1255 PM CST, severe thunderstorms were located along a line
extending from 4 miles south of Baker to Mary Esther to 28 miles
south of Destin, moving northeast at 50 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, Crestview, Niceville, Destin, Eglin AFB,
Valparaiso, Mary Esther, Ocean City, Lake Lorraine, Baker,
Shalimar, Laurel Hill and Cinco Bayou.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 600 PM CST for northwestern
Florida.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3036 8679 3075 8678 3099 8649 3099 8639
3046 8639 3048 8628 3040 8628 3040 8630
3042 8631 3038 8633 3040 8639 3028 8639
3029 8677
TIME...MOT...LOC 1855Z 229DEG 42KT 3073 8668 3040 8668 2999 8664
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$2 follow-up statements
105
WWUS54 KMOB 151917
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
117 PM CST Mon Feb 15 2021
FLC091-151945-
/O.CON.KMOB.SV.W.0003.000000T0000Z-210215T1945Z/
Okaloosa FL-
117 PM CST Mon Feb 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM CST
FOR EASTERN OKALOOSA COUNTY...
At 117 PM CST, severe thunderstorms were located along a line
extending from Laurel Hill to 3 miles north of Niceville to 17 miles
south of Destin, moving east at 50 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Crestview, Niceville, Destin, Valparaiso and Laurel Hill.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 600 PM CST for northwestern
Florida.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3090 8660 3099 8649 3099 8639 3046 8639
3047 8629 3048 8628 3040 8628 3040 8630
3042 8631 3038 8633 3040 8639 3028 8639
3029 8651
TIME...MOT...LOC 1917Z 269DEG 42KT 3094 8646 3056 8647 3015 8643
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$274
WWUS54 KMOB 151931
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
131 PM CST Mon Feb 15 2021
FLC091-151941-
/O.CAN.KMOB.SV.W.0003.000000T0000Z-210215T1945Z/
Okaloosa FL-
131 PM CST Mon Feb 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN OKALOOSA COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 600 PM CST for northwestern
Florida.
LAT...LON 3090 8660 3099 8649 3099 8639 3046 8639
3047 8629 3048 8628 3040 8628 3040 8630
3042 8631 3038 8633 3040 8639 3028 8639
3029 8651
TIME...MOT...LOC 1931Z 229DEG 42KT 3105 8632 3067 8633 3026 8629
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 14, 8:52 PM CST | Hard Freeze Warning | MOB | Escambia, Santa Rosa | 36 hr |
| Feb 14, 9:07 PM CST | Wind Chill Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 36 hr |
| Feb 15, 12:41 PM CST | Special Weather Statement | MOB | Okaloosa | 49 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.