Alert archive / Alabama / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 71, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 21, 2018, 10:18 PM CDT for 4 counties in Alabama. It was in force for 57 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
- Jul 21, 2018, 10:18 PM CDT (03:18 UTC)
- Expired
- Jul 21, 2018, 11:15 PM CDT
- In force
- 57 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Clarke County, AL, Conecuh County, AL, Monroe County, AL, Wilcox County, AL
The radar
The Mobile radar (KMOB), 134 km from the middle of the area, began a volume at 03:20 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, 3.3 hours before the alert went out and 181 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
- 2210 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1459 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 169 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 8.3
The text
As transmitted.
833
WUUS54 KMOB 220318
SVRMOB
ALC025-035-099-131-220415-
/O.NEW.KMOB.SV.W.0071.180722T0318Z-180722T0415Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
1018 PM CDT SAT JUL 21 2018
The National Weather Service in Mobile has issued a
* Severe Thunderstorm Warning for...
Northeastern Monroe County in south central Alabama...
East central Clarke County in southwestern Alabama...
South central Wilcox County in south central Alabama...
Central Conecuh County in south central Alabama...
* Until 1115 PM CDT.
* At 1018 PM CDT, a severe thunderstorm was located 11 miles
southwest of Vredenburgh, or 14 miles northwest of Monroeville,
moving southeast at 25 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...
Monroeville, Peterman, Excel, Beatrice, Vredenburgh and Repton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Mobile.
&&
LAT...LON 3168 8764 3187 8737 3159 8690 3131 8725
TIME...MOT...LOC 0318Z 312DEG 23KT 3171 8745
HAIL...1.00IN
WIND...60MPH
$$2 follow-up statements
269
WWUS54 KMOB 220332
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
1032 PM CDT SAT JUL 21 2018
ALC025-131-220340-
/O.CAN.KMOB.SV.W.0071.000000T0000Z-180722T0415Z/
Clarke AL-Wilcox AL-
1032 PM CDT SAT JUL 21 2018
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CLARKE AND SOUTH
CENTRAL WILCOX COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3166 8755 3181 8728 3159 8690 3131 8725
TIME...MOT...LOC 0330Z 301DEG 30KT 3165 8735
$$
ALC035-099-220415-
/O.CON.KMOB.SV.W.0071.000000T0000Z-180722T0415Z/
Monroe AL-Conecuh AL-
1032 PM CDT SAT JUL 21 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT
FOR CENTRAL MONROE AND CENTRAL CONECUH COUNTIES...
At 1030 PM CDT, a severe thunderstorm was located 7 miles northwest
of Peterman, or 8 miles north of Monroeville, moving southeast at 35
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...
Monroeville, Peterman, Excel, Beatrice and Repton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mobile.
Continuous cloud to ground lightning is occurring with this storm.
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.
&&
LAT...LON 3166 8755 3181 8728 3159 8690 3131 8725
TIME...MOT...LOC 0330Z 301DEG 30KT 3165 8735
HAIL...1.00IN
WIND...60MPH
$$233
WWUS54 KMOB 220400
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
1100 PM CDT SAT JUL 21 2018
ALC035-099-220415-
/O.CON.KMOB.SV.W.0071.000000T0000Z-180722T0415Z/
Monroe AL-Conecuh AL-
1100 PM CDT SAT JUL 21 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT
FOR CENTRAL MONROE AND CENTRAL CONECUH COUNTIES...
At 1059 PM CDT, a severe thunderstorm was located 6 miles southeast
of Peterman, or 8 miles east of Monroeville, moving southeast at 25
mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Monroeville, Peterman and Repton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mobile.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3151 8739 3172 8712 3159 8690 3131 8725
TIME...MOT...LOC 0359Z 312DEG 23KT 3152 8718
HAIL...1.00IN
WIND...60MPH
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 10:08 PM CDT | Special Weather Statement | MOB | Monroe | 67 min |
| Jul 21, 10:47 PM CDT | Special Weather Statement | MOB | Conecuh | 28 min |
| Jul 21, 11:05 PM CDT | Severe Thunderstorm Warning | MOB | Butler, Conecuh, Covington, Crenshaw | 40 min |
| Jul 21, 11:40 PM CDT | Severe Thunderstorm Warning | MOB | Butler, Covington, Crenshaw | 35 min |
| Jul 22, 2:25 AM CDT | Special Weather Statement | MOB | Butler, Covington | 65 min |
| Jul 22, 3:22 AM CDT | Rip Current Statement | MOB | Baldwin, Mobile | 24 hr |
| Jul 22, 10:50 AM CDT | Special Weather Statement | MOB | Choctaw, Wilcox | 40 min |
| Jul 22, 11:20 AM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 14 min |
| Jul 22, 11:33 AM CDT | Special Weather Statement | MOB | Choctaw, Clarke, Wilcox | 42 min |
| Jul 22, 11:40 AM CDT | Severe Thunderstorm Warning | MOB | Clarke, Wilcox | 65 min |
| Jul 22, 12:06 PM CDT | Severe Thunderstorm Warning | MOB | Clarke | 54 min |
| Jul 22, 12:33 PM CDT | Severe Thunderstorm Warning | MOB | Clarke, Monroe, Wilcox | 23 min |
| Jul 22, 12:35 PM CDT | Severe Thunderstorm Warning | MOB | Butler, Conecuh, Covington | 15 min |
| Jul 22, 12:47 PM CDT | Severe Thunderstorm Warning | MOB | Butler, Conecuh, Covington, Crenshaw | 41 min |
| Jul 22, 12:54 PM CDT | Severe Thunderstorm Warning | MOB | Clarke, Monroe | 36 min |
| Jul 22, 1:07 PM CDT | Special Weather Statement | MOB | Crenshaw | 38 min |
| Jul 22, 1:13 PM CDT | Special Weather Statement | MOB | Monroe | 62 min |
| Jul 22, 1:18 PM CDT | Severe Thunderstorm Warning | MOB | Clarke, Conecuh, Escambia, Monroe | 18 min |
| Jul 22, 1:21 PM CDT | Severe Thunderstorm Warning | MOB | Covington | 39 min |
| Jul 22, 1:25 PM CDT | Special Weather Statement | MOB | Butler, Crenshaw | 80 min |
| Jul 22, 2:02 PM CDT | Severe Thunderstorm Warning | MOB | Covington | 58 min |
| Jul 22, 2:17 PM CDT | Special Weather Statement | MOB | Clarke | 43 min |
| Jul 22, 2:27 PM CDT | Severe Thunderstorm Warning | MOB | Clarke, Monroe | 37 min |
| Jul 22, 2:29 PM CDT | Tornado Warning | MOB | Clarke | 23 min |
| Jul 22, 3:18 PM CDT | Special Marine Warning | MOB | 57 min | |
| Jul 22, 6:29 PM CDT | Special Marine Warning | MOB | 61 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2018Every severe thunderstorm warning in 2018
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.