Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 125, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at May 12, 2021, 6:21 AM CDT for Escambia County, Santa Rosa County, Florida. It was in force for 69 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
- May 12, 2021, 6:21 AM CDT (11:21 UTC)
- Expired
- May 12, 2021, 7:30 AM CDT
- In force
- 69 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Escambia County, FL, Santa Rosa County, FL
The radar
The Eglin Afb radar (KEVX), 101 km from the middle of the area, began a volume at 11:22 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 00:00Z, 11.4 hours before the alert went out and 255 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
- 1708 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 617 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
857
WUUS54 KMOB 121121
SVRMOB
FLC033-113-121230-
/O.NEW.KMOB.SV.W.0125.210512T1121Z-210512T1230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
621 AM CDT Wed May 12 2021
The National Weather Service in Mobile has issued a
* Severe Thunderstorm Warning for...
Southeastern Santa Rosa County in northwestern Florida...
Southeastern Escambia County in northwestern Florida...
* Until 730 AM CDT.
* At 621 AM CDT, severe thunderstorms were located along a line
extending from 3 miles east of Pensacola to 11 miles southwest of
Pensacola Beach, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Pensacola, Brent, West Pensacola, Warrington, Gulf Breeze,
Goulding, Oriole Beach, Navarre, Navarre Beach and Pensacola Beach.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3022 8736 3051 8726 3050 8680 3041 8680
3040 8679 3041 8678 3041 8676 3039 8676
3039 8680 3029 8677 3022 8720
TIME...MOT...LOC 1121Z 276DEG 41KT 3042 8716 3019 8724
HAIL...<.75IN
WIND...60MPH
$$1 follow-up statement
832
WWUS54 KMOB 121223
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
723 AM CDT Wed May 12 2021
FLC033-113-121232-
/O.EXP.KMOB.SV.W.0125.000000T0000Z-210512T1230Z/
Santa Rosa FL-Escambia FL-
723 AM CDT Wed May 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SANTA ROSA AND
SOUTHEASTERN ESCAMBIA COUNTIES WILL EXPIRE AT 730 AM CDT...
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire. However heavy rain
is still possible with these thunderstorms.
LAT...LON 3022 8736 3051 8726 3050 8680 3041 8680
3040 8679 3041 8678 3041 8676 3039 8676
3039 8680 3029 8677 3022 8720
TIME...MOT...LOC 1222Z 276DEG 41KT 3035 8639 3012 8647
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 5:01 AM CDT | Areal Flood Advisory | MOB | Escambia | 3 hr |
| May 12, 5:04 AM CDT | Special Weather Statement | MOB | Escambia, Santa Rosa | 86 min |
| May 12, 6:11 AM CDT | Severe Thunderstorm Warning | MOB | Escambia, Santa Rosa | 49 min |
| May 12, 6:29 AM CDT | Severe Thunderstorm Warning | MOB | Okaloosa | 64 min |
| May 12, 6:41 AM CDT | Severe Thunderstorm Warning | MOB | Okaloosa, Santa Rosa | 79 min |
| May 12, 6:52 AM CDT | Areal Flood Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 3 hr |
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.