Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 124, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at May 12, 2021, 6:11 AM CDT for Escambia County, Santa Rosa County, Florida. It was in force for 49 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, 6:11 AM CDT (11:11 UTC)
- Expired
- May 12, 2021, 7:00 AM CDT
- In force
- 49 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), 107 km from the middle of the area, began a volume at 11:13 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
Slidell Radar S, LA (KSIL), launched 00:00Z, 11.2 hours before the alert went out and 258 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
- 618 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 924 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 4.7
The text
As transmitted.
262
WUUS54 KMOB 121111
SVRMOB
FLC033-113-121200-
/O.NEW.KMOB.SV.W.0124.210512T1111Z-210512T1200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
611 AM CDT Wed May 12 2021
The National Weather Service in Mobile has issued a
* Severe Thunderstorm Warning for...
Central Santa Rosa County in northwestern Florida...
Central Escambia County in northwestern Florida...
* Until 700 AM CDT.
* At 610 AM CDT, a severe thunderstorm was located over Pace, moving
east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Ferry Pass, Pace, Milton, Bagdad, Pea Ridge, Roeville, Floridatown
and Point Baker.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3051 8726 3069 8730 3082 8683 3052 8680
3048 8680
TIME...MOT...LOC 1110Z 260DEG 42KT 3062 8720
HAIL...<.75IN
WIND...60MPH
$$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, 6:21 AM CDT | Severe Thunderstorm Warning | MOB | Escambia, Santa Rosa | 69 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.