Alert archive / Alabama / Tornado Warnings in 2021
Tornado Warning 5, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Mar 17, 2021, 2:36 PM CDT for Clarke County, Alabama. It was in force for 39 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, 2:36 PM CDT (19:36 UTC)
- Expired
- Mar 17, 2021, 3:15 PM CDT
- In force
- 39 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Clarke County, AL
The radar
The Mobile radar (KMOB), 132 km from the middle of the area, began a volume at 19:39 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
Birmingham, AL (KBMX), launched 12:00Z, 7.6 hours before the alert went out and 185 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
- 658 J/kg
- Mixed-layer CIN
- -112 J/kg
- Mixed-layer LCL
- 759 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 169 m²/s²
- 0-3 km storm-relative helicity
- 301 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
The text
As transmitted.
636
WFUS54 KMOB 171936
TORMOB
ALC025-172015-
/O.NEW.KMOB.TO.W.0005.210317T1936Z-210317T2015Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
236 PM CDT Wed Mar 17 2021
The National Weather Service in Mobile has issued a
* Tornado Warning for...
Northwestern Clarke County in southwestern Alabama...
* Until 315 PM CDT.
* At 236 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Coffeeville, or 18 miles west of Grove Hill,
moving northeast at 30 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 tornadic thunderstorm will impact Coffeeville and over mainly
rural areas of northwestern Clarke County.
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 3195 8767 3192 8767 3169 8809 3174 8809
3176 8810 3176 8812 3175 8814 3177 8816
3199 8796 3199 8780
TIME...MOT...LOC 1936Z 223DEG 25KT 3176 8809
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$1 follow-up statement
545
WWUS54 KMOB 171952
SVSMOB
Severe Weather Statement
National Weather Service Mobile AL
252 PM CDT Wed Mar 17 2021
ALC025-172015-
/O.CON.KMOB.TO.W.0005.000000T0000Z-210317T2015Z/
Clarke AL-
252 PM CDT Wed Mar 17 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CDT FOR
NORTHWESTERN CLARKE COUNTY...
At 251 PM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles northeast of Coffeeville, or 15 miles northwest
of Grove Hill, moving northeast at 30 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
northwestern Clarke County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3195 8767 3192 8768 3179 8800 3183 8805
3199 8793 3199 8780
TIME...MOT...LOC 1951Z 218DEG 27KT 3184 8798
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$The 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, 2:38 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, 4:04 PM CDT | Tornado Warning | MOB | Choctaw, Washington | 26 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 |
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.