Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 199, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Sep 1, 2021, 7:35 PM CDT for Escambia County, Santa Rosa County, Florida; Escambia County, Alabama. It was in force for 40 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
- Sep 1, 2021, 7:35 PM CDT (00:35 UTC)
- Expired
- Sep 1, 2021, 8:15 PM CDT
- In force
- 40 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Escambia County, AL, Escambia County, FL, Santa Rosa County, FL
The radar
The Mobile radar (KMOB), 114 km from the middle of the area, began a volume at 00:38 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
Birmingham, AL (KBMX), launched 00:00Z, 0.6 hours before the alert went out and 246 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
- 241 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 1030 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
698
WUUS54 KMOB 020035
SVRMOB
ALC053-FLC033-113-020115-
/O.NEW.KMOB.SV.W.0199.210902T0035Z-210902T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
735 PM CDT Wed Sep 1 2021
The National Weather Service in Mobile has issued a
* Severe Thunderstorm Warning for...
South central Escambia County in south central Alabama...
Northern Santa Rosa County in northwestern Florida...
North central Escambia County in northwestern Florida...
* Until 815 PM CDT.
* At 734 PM CDT, severe thunderstorms were located along a line
extending from 12 miles east of East Brewton to 5 miles northwest
of Pollard, moving south at 20 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Brewton, Century, Flomaton, East Brewton, Jay, Pollard and
Riverview.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3087 8724 3099 8731 3116 8735 3117 8700
3093 8679 3090 8679
TIME...MOT...LOC 0034Z 337DEG 17KT 3111 8686 3109 8722
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
CGAL1 follow-up statement
998
WWUS54 KMOB 020107
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
807 PM CDT Wed Sep 1 2021
ALC053-FLC033-113-020116-
/O.EXP.KMOB.SV.W.0199.000000T0000Z-210902T0115Z/
Escambia AL-Santa Rosa FL-Escambia FL-
807 PM CDT Wed Sep 1 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL ESCAMBIA...
NORTHERN SANTA ROSA AND NORTH CENTRAL ESCAMBIA COUNTIES WILL EXPIRE
AT 815 PM CDT...
The storms which prompted the warning have weakened to below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However, gusty
winds and heavy rain are still possible with these thunderstorms.
LAT...LON 3087 8724 3099 8731 3116 8735 3117 8700
3093 8679 3090 8679
TIME...MOT...LOC 0106Z 270DEG 17KT 3098 8680 3096 8716
$$
CGALThe office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 7:45 PM CDT | Areal Flood Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 3 hr |
| Sep 1, 8:14 PM CDT | Special Weather Statement | MOB | Okaloosa, Santa Rosa | 46 min |
| Sep 1, 9:06 PM CDT | Areal Flood Advisory | MOB | Escambia | 3 hr |
| Sep 1, 7:03 PM CDT | Flash Flood Warning | MOB | Clarke, Wilcox | 4 hr |
| Sep 1, 7:21 PM CDT | Special Weather Statement | MOB | Escambia | 54 min |
| Sep 1, 7:31 PM CDT | Special Weather Statement | MOB | Washington | 44 min |
| Sep 1, 8:19 PM CDT | Special Weather Statement | MOB | Washington | 41 min |
| Sep 1, 9:12 PM CDT | Special Weather Statement | MOB | Baldwin | 63 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2021Severe Thunderstorm Warnings in Alabama, 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.