Alert archive / Alabama / Tornado Warnings in 2021

Tornado Warning 10, NWS Mobile, AL

March 17, 2021Choctaw County, Clarke County, Alabama

NWS Mobile, AL issued this tornado warning at Mar 17, 2021, 4:17 PM CDT for Choctaw County, Clarke County, Alabama. It was in force for 43 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: Mar 17, 2021, 4:17 PM CDT (21:17 UTC)
Expired: Mar 17, 2021, 5:00 PM CDT
In force: 43 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Observed
Damage threat: Considerable
Hail: 1.0 in

Counties Choctaw County, AL, Clarke County, AL

The radar

The Mobile radar (KMOB), 147 km from the middle of the area, began a volume at 21:19 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
Mar 17, 4:20 PM CDT	TORNADO	4 N West Bend, AL	SEVERAL HOMES ON STILTS WERE SEVERELY DAMAGED IN THE WEST BEND COMMUNITY FROM TORNADO AT 4:20PM. EMERGENCY MANAGER REPORTED.
Mar 17, 4:30 PM CDT	TORNADO	Campbell Landing Rd., AL	* 2 INJ * CAMPBELL LANDING RD. IN CLARKE COUNTY, ALABAMA. TORNADO DAMAGE TO FOUR HOMES, ONE HOME IS DESTROYED, TWO PEOPLE INJURED. TORNADO ESTIMATED AT 4:30PM. EMERGENCY MANAGER CONFIRMED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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 PDS	SPC	7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 9.3 hours before the alert went out and 179 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

The text

As transmitted.

892 
WFUS54 KMOB 172117
TORMOB
ALC023-025-172200-
/O.NEW.KMOB.TO.W.0010.210317T2117Z-210317T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
417 PM CDT Wed Mar 17 2021

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Southeastern Choctaw County in southwestern Alabama...
  Northwestern Clarke County in southwestern Alabama...

* Until 500 PM CDT.
    
* At 416 PM CDT, a confirmed large and extremely dangerous tornado
  was located 7 miles east of Gilbertown, or 16 miles south of
  Butler, moving northeast at 35 mph.

  This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

  HAZARD...Damaging tornado.

  SOURCE...Radar confirmed tornado.

  IMPACT...You are in a life-threatening situation. Flying debris 
           may be deadly to those caught without shelter. Mobile 
           homes will be destroyed. Considerable damage to homes, 
           businesses, and vehicles is likely and complete 
           destruction is possible.

* This tornadic thunderstorm will remain over mainly rural areas of
  southeastern Choctaw and northwestern Clarke Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3209 8804 3204 8810 3202 8812 3199 8810
      3201 8809 3199 8807 3199 8786 3194 8779
      3177 8824 3185 8831 3209 8805
TIME...MOT...LOC 2116Z 238DEG 32KT 3185 8820 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.00IN

$$

3 follow-up statements

860 
WWUS54 KMOB 172124
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
424 PM CDT Wed Mar 17 2021

ALC023-025-172200-
/O.CON.KMOB.TO.W.0010.000000T0000Z-210317T2200Z/
Choctaw AL-Clarke AL-
424 PM CDT Wed Mar 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
SOUTHEASTERN CHOCTAW AND NORTHWESTERN CLARKE COUNTIES...
        
At 423 PM CDT, a confirmed large and extremely dangerous tornado was
located 9 miles north of Coffeeville, or 14 miles south of Butler,
moving northeast at 40 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

This tornadic thunderstorm will remain over mainly rural areas of
southeastern Choctaw and northwestern Clarke Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3209 8804 3204 8810 3202 8812 3199 8810
      3201 8809 3199 8807 3199 8786 3194 8779
      3177 8824 3185 8831 3209 8805
TIME...MOT...LOC 2123Z 234DEG 34KT 3190 8814 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.00IN

$$

357 
WWUS54 KMOB 172133
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
433 PM CDT Wed Mar 17 2021

ALC023-025-172200-
/O.CON.KMOB.TO.W.0010.000000T0000Z-210317T2200Z/
Choctaw AL-Clarke AL-
433 PM CDT Wed Mar 17 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR CENTRAL
CHOCTAW AND NORTHWESTERN CLARKE COUNTIES...
        
At 432 PM CDT, a confirmed large and extremely dangerous tornado was
located 5 miles south of Putnam, or 13 miles southeast of Butler,
moving northeast at 40 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be destroyed. Considerable damage to homes, 
         businesses, and vehicles is likely and complete destruction 
         is possible.

This tornadic thunderstorm will remain over mainly rural areas of
central Choctaw and northwestern Clarke Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3199 8815 3201 8813 3203 8812 3204 8811
      3203 8811 3202 8812 3199 8810 3201 8809
      3199 8807 3199 8786 3197 8783 3188 8808
      3193 8816 3199 8816
TIME...MOT...LOC 2132Z 233DEG 36KT 3195 8805 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.00IN

$$

905 
WWUS54 KMOB 172156
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
456 PM CDT Wed Mar 17 2021

ALC023-025-172205-
/O.EXP.KMOB.TO.W.0010.000000T0000Z-210317T2200Z/
Choctaw AL-Clarke AL-
456 PM CDT Wed Mar 17 2021

...THE TORNADO WARNING FOR CENTRAL CHOCTAW AND NORTHWESTERN CLARKE
COUNTIES WILL EXPIRE AT 500 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 700 PM CDT for southwestern
Alabama.

LAT...LON 3199 8815 3201 8813 3203 8812 3204 8811
      3203 8811 3202 8812 3199 8810 3201 8809
      3199 8807 3199 8786 3197 8783 3188 8808
      3193 8816 3199 8816
TIME...MOT...LOC 2155Z 238DEG 32KT 3206 8785 

$$

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, 2:36 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, 4:04 PM CDT	Tornado Warning	MOB	Choctaw, Washington	26 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, 2021 Every tornado warning in 2021 Tornadoes 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.