Alert archive / Alabama / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 21, NWS Mobile, AL

February 6, 2020Choctaw County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Feb 6, 2020, 1:07 AM CST for Choctaw County, Alabama. It was in force for 38 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
Feb 6, 2020, 1:07 AM CST (07:07 UTC)
Expired
Feb 6, 2020, 1:45 AM CST
In force
38 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Choctaw County, AL

The radar

The Mobile radar (KMOB), 153 km from the middle of the area, began a volume at 07:09 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.

IssuedProductOfficeLasted
Feb 5, 11:48 PM CSTTornado WatchSPC8 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 7.1 hours before the alert went out and 176 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-pSkew-T log-p diagram, Birmingham, AL at 00:00Z on 2020-02-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 117 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 2020-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 370 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
117 J/kg
Mixed-layer CIN
-125 J/kg
Mixed-layer LCL
712 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
370 m²/s²
0-3 km storm-relative helicity
402 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.4

Open this sounding in Storm Lab

The text

As transmitted.

567 
WUUS54 KMOB 060707
SVRMOB
ALC023-060745-
/O.NEW.KMOB.SV.W.0021.200206T0707Z-200206T0745Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
107 AM CST Thu Feb 6 2020

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Choctaw County in southwestern Alabama...

* Until 145 AM CST.

* At 106 AM CST, severe thunderstorms were located along a line
  extending from near Middleton to 5 miles west of Crandall to 10
  miles southeast of Goodwater, moving east at 40 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Butler, Lisman, Pennington, Gilbertown and Toxey. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 500 AM CST for southwestern
Alabama...and southeastern Mississippi.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3231 8799 3228 8802 3218 8801 3214 8802
      3214 8804 3209 8804 3206 8807 3206 8812
      3201 8812 3199 8807 3195 8808 3197 8809
      3195 8812 3193 8809 3194 8807 3192 8806
      3191 8813 3185 8816 3180 8847 3231 8842
TIME...MOT...LOC 0706Z 250DEG 34KT 3217 8866 3197 8862 3179 8878 

HAIL...0.75IN
WIND...60MPH
 
$$
4 follow-up statements
759 
WUUS54 KMOB 060711 CCA
SVRMOB
ALC023-060800-
/O.COR.KMOB.SV.W.0021.200206T0707Z-200206T0745Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
111 AM CST Thu Feb 6 2020

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Choctaw County in southwestern Alabama...

* Until 145 AM CST.

* At 111 AM CST, severe thunderstorms were located along a line
  extending from 3 miles northeast of Middleton to near Crandall to
  10 miles south of De Soto, moving northeast at 55 mph.

  HAZARD...70 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Butler, Lisman, Pennington, Gilbertown and Toxey. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 500 AM CST for southwestern
Alabama...and southeastern Mississippi.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3231 8799 3228 8802 3218 8801 3214 8802
      3214 8804 3209 8804 3206 8807 3206 8812
      3201 8812 3199 8807 3195 8808 3197 8809
      3195 8812 3193 8809 3194 8807 3192 8806
      3191 8813 3185 8816 3180 8847 3231 8842
TIME...MOT...LOC 0711Z 246DEG 49KT 3217 8866 3197 8862 3179 8878 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...70MPH
 
$$
628 
WWUS54 KMOB 060722
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
122 AM CST Thu Feb 6 2020

ALC023-060745-
/O.CON.KMOB.SV.W.0021.000000T0000Z-200206T0745Z/
Choctaw AL-
122 AM CST Thu Feb 6 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM CST
FOR CHOCTAW COUNTY...

At 121 AM CST, severe thunderstorms were located along a line
extending from 6 miles northeast of Snell to 9 miles southwest of
Lisman to 3 miles southwest of Crandall, moving northeast at 70 mph.

HAZARD...70 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Butler, Lisman and Pennington. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 500 AM CST for southwestern
Alabama.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3231 8799 3228 8802 3218 8801 3214 8802
      3214 8804 3209 8804 3206 8807 3206 8812
      3201 8812 3199 8807 3191 8846 3231 8842
TIME...MOT...LOC 0721Z 234DEG 62KT 3226 8844 3209 8842 3195 8859 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...70MPH
 
$$
626 
WWUS54 KMOB 060728
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
128 AM CST Thu Feb 6 2020

ALC023-060745-
/O.CON.KMOB.SV.W.0021.000000T0000Z-200206T0745Z/
Choctaw AL-
128 AM CST Thu Feb 6 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM CST
FOR NORTHERN CHOCTAW COUNTY...

At 127 AM CST, severe thunderstorms were located along a line
extending from 4 miles southwest of Kinterbish to 3 miles southwest
of Lisman to near Crandall, moving northeast at 55 mph.

HAZARD...70 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Butler, Lisman and Pennington. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 500 AM CST for southwestern
Alabama.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3231 8799 3228 8802 3218 8801 3214 8802
      3214 8804 3209 8804 3206 8807 3206 8812
      3198 8845 3231 8842
TIME...MOT...LOC 0727Z 246DEG 49KT 3230 8835 3213 8833 3199 8850 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...70MPH
 
$$
387 
WWUS54 KMOB 060735
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
135 AM CST Thu Feb 6 2020

ALC023-060745-
/O.CON.KMOB.SV.W.0021.000000T0000Z-200206T0745Z/
Choctaw AL-
135 AM CST Thu Feb 6 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM CST
FOR NORTHERN CHOCTAW COUNTY...

At 135 AM CST, severe thunderstorms were located along a line
extending from 3 miles east of Kinterbish to 5 miles northeast of
Lisman to 8 miles northeast of Crandall, moving northeast at 40 mph.

HAZARD...70 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Butler, Lisman and Pennington. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 500 AM CST for southwestern
Alabama.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3231 8799 3228 8802 3218 8801 3212 8811
      3201 8845 3231 8842
TIME...MOT...LOC 0735Z 239DEG 33KT 3232 8823 3223 8822 3202 8840 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...70MPH
 
$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 5, 6:02 PM CSTSpecial Weather StatementMOBClarke28 min
Feb 5, 6:16 PM CSTSpecial Weather StatementMOBWilcox29 min
Feb 5, 6:33 PM CSTSevere Thunderstorm WarningMOBWilcox27 min
Feb 6, 12:00 AM CSTSpecial Weather StatementMOBCrenshaw45 min
Feb 6, 12:42 AM CSTTornado WarningMOBCrenshaw12 min
Feb 6, 1:56 AM CSTAreal Flood AdvisoryMOBChoctaw3 hr
Feb 6, 2:35 AM CSTFlash Flood WarningMOBChoctaw6 hr
Feb 6, 2:35 AM CSTSevere Thunderstorm WarningMOBWilcox9 min
Feb 6, 3:26 AM CSTSpecial Weather StatementMOBClarke49 min
Feb 6, 3:43 AM CSTSevere Thunderstorm WarningMOBClarke, Wilcox47 min
Feb 6, 3:50 AM CSTTornado WarningMOBClarke, Wilcox40 min
Feb 6, 4:39 AM CSTSpecial Weather StatementMOBChoctaw51 min
Feb 6, 8:53 AM CSTSpecial Marine WarningMOB67 min
Feb 6, 9:10 AM CSTSpecial Weather StatementMOBButler50 min
Feb 6, 9:14 AM CSTSevere Thunderstorm WarningMOBButler, Crenshaw46 min
Feb 6, 9:53 AM CSTSpecial Marine WarningMOB67 min
Feb 6, 10:33 AM CSTWind AdvisoryMOBButler, Conecuh, Covington, Crenshaw, Escambia, Monroe87 min
Feb 6, 10:55 AM CSTSpecial Marine WarningMOB65 min
Feb 6, 11:52 AM CSTSpecial Marine WarningMOB53 min
Feb 6, 11:53 AM CSTSpecial Marine WarningMOB37 min
Feb 6, 11:57 AM CSTSmall Craft AdvisoryMOB27 hr
Feb 6, 12:06 PM CSTWind AdvisoryMOBBaldwin, Mobile18 hr

Nearby

Severe Thunderstorm Warnings in Alabama, 2020Every severe thunderstorm warning in 2020

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.