Alert archive / Alabama / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 65, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Apr 13, 2021, 4:57 PM CDT for 4 counties in Alabama; Greene County, Mississippi. It was in force for 63 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 13, 2021, 4:57 PM CDT (21:57 UTC)
- Expired
- Apr 13, 2021, 6:00 PM CDT
- In force
- 63 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Baldwin County, AL, Clarke County, AL, Mobile County, AL, Washington County, AL, Greene County, MS
The radar
The Mobile radar (KMOB), 50 km from the middle of the area, began a volume at 21:57 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 13, 5:00 PM CDT | TSTM WND GST 50 | Deer Park, AL | TRAINED SPOTTER ESTIMATED WINDS OF 50 MPH IN THE DEER PARK COMMUNITY. |
| Apr 13, 5:00 PM CDT | TSTM WND GST 50 | Deer Park, AL | TRAIN SPOTTER ESTIMATED WINDS OF 50 MPH IN THE DEER PARK COMMUNITY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 10.0 hours before the alert went out and 174 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
- 1989 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
170
WUUS54 KMOB 132157
SVRMOB
ALC003-025-097-129-MSC041-132300-
/O.NEW.KMOB.SV.W.0065.210413T2157Z-210413T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
457 PM CDT Tue Apr 13 2021
The National Weather Service in Mobile has issued a
* Severe Thunderstorm Warning for...
Northern Mobile County in southwestern Alabama...
Northwestern Baldwin County in southwestern Alabama...
Southern Washington County in southwestern Alabama...
South central Clarke County in southwestern Alabama...
Southeastern Greene County in southeastern Mississippi...
* Until 600 PM CDT.
* At 455 PM CDT, a severe thunderstorm capable of producing damaging
winds was located 7 miles northeast of Citronelle, moving east at
30 mph. Multiple reports of high winds have been received in
Greene county near Leakesville.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Bay Minette, Citronelle, Creola, Leakesville, Chunchula, Stockton,
Gulfcrest, Deer Park, Axis, Calvert, Mount Vernon, McIntosh, I65
And AL 225 and Movico.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3130 8845 3134 8826 3132 8797 3128 8777
3116 8762 3086 8764 3087 8810 3097 8843
3100 8843 3100 8852 3113 8861
TIME...MOT...LOC 2155Z 284DEG 25KT 3116 8814
HAIL...<.75IN
WIND...60MPH
$$1 follow-up statement
805
WWUS54 KMOB 132249
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
549 PM CDT Tue Apr 13 2021
ALC025-129-MSC041-132258-
/O.CAN.KMOB.SV.W.0065.000000T0000Z-210413T2300Z/
Washington AL-Clarke AL-Greene MS-
549 PM CDT Tue Apr 13 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN WASHINGTON...SOUTH
CENTRAL CLARKE AND SOUTHEASTERN GREENE COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3087 8810 3097 8843 3100 8842 3102 8836
3110 8797 3118 8778 3116 8762 3086 8764
TIME...MOT...LOC 2248Z 286DEG 40KT 3096 8817
$$
ALC003-097-132300-
/O.CON.KMOB.SV.W.0065.000000T0000Z-210413T2300Z/
Mobile AL-Baldwin AL-
549 PM CDT Tue Apr 13 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR NORTHERN MOBILE AND NORTHWESTERN BALDWIN COUNTIES...
At 548 PM CDT, a severe thunderstorm capable of producing damaging
wind was located near Chunchula, or 9 miles northwest of Creola,
moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Bay Minette, Creola, Chunchula, Stockton, Gulfcrest, Axis, Mount
Vernon, I65 And AL 225 and Movico.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3087 8810 3097 8843 3100 8842 3102 8836
3110 8797 3118 8778 3116 8762 3086 8764
TIME...MOT...LOC 2248Z 286DEG 40KT 3096 8817
HAIL...<.75IN
WIND...60MPH
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 2:43 AM CDT | Flash Flood Watch | MOB | Baldwin, Mobile | 55 hr |
| Apr 13, 4:37 PM CDT | Special Weather Statement | MOB | Mobile, Washington | 38 min |
| Apr 13, 5:18 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 57 min |
| Apr 13, 5:39 PM CDT | Special Marine Warning | MOB | 81 min | |
| Apr 13, 6:09 PM CDT | High Wind Warning | MOB | Baldwin, Escambia, Mobile | 3 hr |
| Apr 13, 6:50 PM CDT | Gale Warning | MOB | 3 hr |
Nearby
Severe Thunderstorm Warnings in Alabama, 2021Severe Thunderstorm Warnings in Mississippi, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.