Alert archive / Alabama / Tornado Warnings in 2021
Tornado Warning 57, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Aug 30, 2021, 10:55 AM CDT for Mobile County, Washington County, Alabama. It was in force for 25 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
- Aug 30, 2021, 10:55 AM CDT (15:55 UTC)
- Expired
- Aug 30, 2021, 11:20 AM CDT
- In force
- 25 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Mobile County, AL, Washington County, AL
The radar
The Mobile radar (KMOB), 53 km from the middle of the area, began a volume at 15:56 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 30, 5:48 AM CDT | Tornado Watch | SPC | 10 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 3.9 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
- 881 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 560 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 386 m²/s²
- 0-3 km storm-relative helicity
- 386 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 9.7
The text
As transmitted.
198
WFUS54 KMOB 301555
TORMOB
ALC097-129-301645-
/O.NEW.KMOB.TO.W.0057.210830T1555Z-210830T1645Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
1055 AM CDT Mon Aug 30 2021
The National Weather Service in Mobile has issued a
* Tornado Warning for...
North central Mobile County in southwestern Alabama...
South central Washington County in southwestern Alabama...
* Until 1145 AM CDT.
* At 1055 AM CDT, a severe thunderstorm capable of producing a
tornado was located over Gulfcrest, or 5 miles south of Citronelle,
moving north at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Citronelle around 1105 AM CDT.
Tibbie around 1130 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3098 8830 3143 8831 3142 8802 3097 8816
TIME...MOT...LOC 1555Z 187DEG 37KT 3101 8824
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$3 follow-up statements
622
WWUS54 KMOB 301605
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
1105 AM CDT Mon Aug 30 2021
ALC097-129-301645-
/O.CON.KMOB.TO.W.0057.000000T0000Z-210830T1645Z/
Mobile AL-Washington AL-
1105 AM CDT Mon Aug 30 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT FOR NORTH
CENTRAL MOBILE AND SOUTH CENTRAL WASHINGTON COUNTIES...
At 1104 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Citronelle, moving north at 45 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Tibbie around 1130 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3108 8830 3143 8831 3142 8802 3107 8813
TIME...MOT...LOC 1604Z 186DEG 39KT 3110 8822
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$460
WWUS54 KMOB 301612
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
1112 AM CDT Mon Aug 30 2021
ALC097-301621-
/O.CAN.KMOB.TO.W.0057.000000T0000Z-210830T1645Z/
Mobile AL-
1112 AM CDT Mon Aug 30 2021
...THE TORNADO WARNING FOR NORTH CENTRAL MOBILE COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 400 PM CDT for southwestern
Alabama.
LAT...LON 3142 8802 3114 8811 3114 8830 3143 8831
TIME...MOT...LOC 1611Z 186DEG 39KT 3117 8821
$$
ALC129-301645-
/O.CON.KMOB.TO.W.0057.000000T0000Z-210830T1645Z/
Washington AL-
1112 AM CDT Mon Aug 30 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT FOR SOUTH
CENTRAL WASHINGTON COUNTY...
At 1111 AM CDT, a severe thunderstorm capable of producing a tornado
was located 5 miles north of Citronelle, moving north at 45 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Tibbie around 1130 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3142 8802 3114 8811 3114 8830 3143 8831
TIME...MOT...LOC 1611Z 186DEG 39KT 3117 8821
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$695
WWUS54 KMOB 301620
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
1120 AM CDT Mon Aug 30 2021
ALC129-301630-
/O.CAN.KMOB.TO.W.0057.000000T0000Z-210830T1645Z/
Washington AL-
1120 AM CDT Mon Aug 30 2021
...THE TORNADO WARNING FOR SOUTH CENTRAL WASHINGTON COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 400 PM CDT for southwestern
Alabama.
LAT...LON 3142 8802 3114 8811 3114 8830 3143 8831
TIME...MOT...LOC 1619Z 187DEG 37KT 3126 8820
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 7:07 PM CDT | Tornado Warning | MOB | Mobile | 25 min |
| Aug 29, 8:19 PM CDT | River Flood Warning | MOB | Escambia | 49 hr |
| Aug 29, 8:21 PM CDT | River Flood Warning | MOB | Covington, Escambia | 38 hr |
| Aug 29, 8:35 PM CDT | River Flood Warning | MOB | Baldwin | 30 hr |
| Aug 29, 11:27 PM CDT | Special Marine Warning | MOB | 93 min | |
| Aug 30, 12:13 AM CDT | Special Marine Warning | MOB | 47 min | |
| Aug 30, 12:59 AM CDT | Special Marine Warning | MOB | 2 hr | |
| Aug 30, 3:24 AM CDT | Flash Flood Warning | MOB | Baldwin, Clarke, Mobile, Washington | 6 hr |
| Aug 30, 4:03 AM CDT | Special Marine Warning | MOB | 117 min | |
| Aug 30, 6:42 AM CDT | Flash Flood Warning | MOB | Baldwin, Escambia | 5 hr |
| Aug 30, 6:46 AM CDT | Special Marine Warning | MOB | 119 min | |
| Aug 30, 8:29 AM CDT | Flash Flood Warning | MOB | Conecuh, Escambia, Monroe | 4 hr |
| Aug 30, 8:32 AM CDT | Flash Flood Warning | MOB | Escambia | 4 hr |
| Aug 30, 8:40 AM CDT | Tornado Warning | MOB | Conecuh, Escambia | 50 min |
| Aug 30, 9:00 AM CDT | Flash Flood Warning | MOB | Clarke, Conecuh, Escambia, Monroe, Wilcox | 4 hr |
| Aug 30, 9:12 AM CDT | Flash Flood Warning | MOB | Conecuh, Escambia | 4 hr |
| Aug 30, 9:20 AM CDT | Areal Flood Warning | MOB | Baldwin, Clarke, Mobile, Washington | 8 hr |
| Aug 30, 10:26 AM CDT | Flash Flood Warning | MOB | Mobile | 6 hr |
| Aug 30, 10:51 AM CDT | Special Marine Warning | MOB | 54 min | |
| Aug 30, 11:47 AM CDT | Flash Flood Warning | MOB | Clarke, Washington | 5 hr |
| Aug 30, 11:57 AM CDT | Flash Flood Warning | MOB | Baldwin, Clarke, Mobile, Washington | 5 hr |
| Aug 30, 12:03 PM CDT | Flash Flood Warning | MOB | Escambia | 75 min |
| Aug 30, 12:23 PM CDT | Tornado Warning | MOB | Baldwin, Mobile | 21 min |
| Aug 30, 12:30 PM CDT | Tornado Warning | MOB | Baldwin, Clarke, Mobile, Washington | 45 min |
| Aug 30, 1:08 PM CDT | Tornado Warning | MOB | Clarke | 52 min |
| Aug 30, 1:39 PM CDT | Tornado Warning | MOB | Clarke, Wilcox | 39 min |
| Aug 30, 3:57 PM CDT | Special Marine Warning | MOB | 48 min | |
| Aug 30, 4:11 PM CDT | Coastal Flood Warning | MOB | Baldwin, Mobile | 14 hr |
| Aug 30, 4:18 PM CDT | Special Marine Warning | MOB | 87 min | |
| Aug 30, 4:20 PM CDT | Special Marine Warning | MOB | 85 min | |
| Aug 30, 5:05 PM CDT | Special Weather Statement | MOB | Covington | 55 min |
| Aug 30, 5:19 PM CDT | Areal Flood Warning | MOB | Baldwin, Clarke, Mobile, Washington | 14 hr |
| Aug 30, 5:29 PM CDT | Special Marine Warning | MOB | 91 min | |
| Aug 30, 6:46 PM CDT | Special Marine Warning | MOB | 89 min |
Nearby
Tornado Warnings in Alabama, 2021Every tornado warning in 2021Tornadoes 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.