Alert archive / Alabama / Tornado Warnings in 2021
Tornado Warning 9, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Mar 17, 2021, 4:04 PM CDT for Choctaw County, Washington County, Alabama; Wayne County, Mississippi. It was in force for 26 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
- Mar 17, 2021, 4:04 PM CDT (21:04 UTC)
- Expired
- Mar 17, 2021, 4:30 PM CDT
- In force
- 26 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Choctaw County, AL, Washington County, AL, Wayne County, MS
The radar
The Mobile radar (KMOB), 109 km from the middle of the area, began a volume at 21:07 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 |
|---|---|---|---|
| Mar 17, 11:36 AM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 9.1 hours before the alert went out and 168 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
- 687 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 713 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 218 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.9
The text
As transmitted.
291
WFUS54 KMOB 172104
TORMOB
ALC023-129-MSC153-172130-
/O.NEW.KMOB.TO.W.0009.210317T2104Z-210317T2130Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
404 PM CDT Wed Mar 17 2021
The National Weather Service in Mobile has issued a
* Tornado Warning for...
Southwestern Choctaw County in southwestern Alabama...
Northwestern Washington County in southwestern Alabama...
Southeastern Wayne County in southeastern Mississippi...
* Until 430 PM CDT.
* At 404 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Buckatunna, or 7 miles southeast of Waynesboro,
moving northeast 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...
Silas around 430 PM 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 3153 8858 3158 8864 3183 8844 3172 8820
TIME...MOT...LOC 2104Z 232DEG 34KT 3159 8856
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$1 follow-up statement
110
WWUS54 KMOB 172119
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
419 PM CDT Wed Mar 17 2021
MSC153-172128-
/O.CAN.KMOB.TO.W.0009.000000T0000Z-210317T2130Z/
Wayne MS-
419 PM CDT Wed Mar 17 2021
...THE TORNADO WARNING FOR SOUTHEASTERN WAYNE COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 700 PM CDT for southwestern
Alabama...and southeastern Mississippi.
LAT...LON 3172 8820 3160 8845 3161 8846 3176 8847
3182 8842
TIME...MOT...LOC 2118Z 232DEG 34KT 3167 8844
$$
ALC023-129-172130-
/O.CON.KMOB.TO.W.0009.000000T0000Z-210317T2130Z/
Choctaw AL-Washington AL-
419 PM CDT Wed Mar 17 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR
SOUTHWESTERN CHOCTAW AND NORTHWESTERN WASHINGTON COUNTIES...
At 418 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles west of Millry, or 12 miles east of Waynesboro,
moving northeast 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...
Silas around 430 PM 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 3172 8820 3160 8845 3161 8846 3176 8847
3182 8842
TIME...MOT...LOC 2118Z 232DEG 34KT 3167 8844
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
BlackThe office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 9:23 PM CDT | Areal Flood Warning | MOB | Choctaw, Clarke, Washington, Wilcox | 16 hr |
| Mar 16, 11:44 PM CDT | Special Weather Statement | MOB | Covington | 46 min |
| Mar 17, 4:18 AM CDT | High Surf Advisory | MOB | Baldwin, Mobile | 26 hr |
| Mar 17, 4:27 AM CDT | Flash Flood Watch | MOB | Choctaw, Clarke, Wilcox | 18 hr |
| Mar 17, 10:36 AM CDT | River Flood Warning | MOB | Choctaw, Clarke, Washington | 32 days |
| Mar 17, 10:39 AM CDT | River Flood Warning | MOB | Clarke, Washington | 32 days |
| Mar 17, 11:58 AM CDT | Tornado Warning | MOB | Choctaw | 47 min |
| Mar 17, 12:59 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 46 min |
| Mar 17, 1:12 PM CDT | Tornado Warning | MOB | Choctaw | 48 min |
| Mar 17, 1:38 PM CDT | Tornado Warning | MOB | Choctaw | 37 min |
| Mar 17, 2:05 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw, Clarke | 40 min |
| Mar 17, 2:16 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 44 min |
| Mar 17, 2:19 PM CDT | Flash Flood Warning | MOB | Choctaw, Clarke, Washington | 6 hr |
| Mar 17, 2:34 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw, Clarke, Washington | 56 min |
| Mar 17, 2:36 PM CDT | Tornado Warning | MOB | Clarke | 39 min |
| Mar 17, 2:38 PM CDT | Tornado Warning | MOB | Choctaw | 52 min |
| Mar 17, 3:28 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 47 min |
| Mar 17, 3:46 PM CDT | Tornado Warning | MOB | Choctaw | 44 min |
| Mar 17, 3:55 PM CDT | Severe Thunderstorm Warning | MOB | Wilcox | 20 min |
| Mar 17, 4:00 PM CDT | Tornado Warning | MOB | Wilcox | 14 min |
| Mar 17, 4:17 PM CDT | Tornado Warning | MOB | Choctaw, Clarke | 43 min |
| Mar 17, 5:15 PM CDT | Severe Thunderstorm Warning | MOB | Clarke | 30 min |
| Mar 17, 5:20 PM CDT | Tornado Warning | MOB | Clarke, Wilcox | 40 min |
| Mar 17, 5:53 PM CDT | Tornado Warning | MOB | Wilcox | 37 min |
| Mar 17, 5:54 PM CDT | Flash Flood Warning | MOB | Clarke, Wilcox | 6 hr |
| Mar 17, 5:59 PM CDT | Severe Thunderstorm Warning | MOB | Clarke, Wilcox | 46 min |
| Mar 17, 6:08 PM CDT | Tornado Warning | MOB | Wilcox | 22 min |
| Mar 17, 10:28 AM CDT | River Flood Warning | MOB | George, Greene, Wayne | 21 days |
| Mar 17, 10:32 AM CDT | River Flood Warning | MOB | George, Greene, Perry | 18 days |
| Mar 17, 11:41 AM CDT | Special Weather Statement | MOB | Wayne | 49 min |
| Mar 17, 1:30 PM CDT | Tornado Warning | MOB | Wayne | 45 min |
| Mar 17, 2:03 PM CDT | Severe Thunderstorm Warning | MOB | Wayne | 42 min |
| Mar 17, 6:19 PM CDT | Severe Thunderstorm Warning | MOB | Greene, Perry, Wayne | 56 min |
Nearby
Tornado Warnings in Alabama, 2021Tornado Warnings in Mississippi, 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.