Alert archive / Alabama / Tornado Warnings in 2020

Tornado Warning 1, NWS Mobile, AL

February 6, 2020Crenshaw County, Alabama

NWS Mobile, AL issued this tornado warning at Feb 6, 2020, 12:42 AM CST for Crenshaw County, Alabama. It was in force for 12 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, 12:42 AM CST (06:42 UTC)
Expired: Feb 6, 2020, 12:54 AM CST
In force: 12 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Crenshaw County, AL

The radar

The Ft Rucker radar (KEOX), 75 km from the middle of the area, began a volume at 06:44 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 nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 6.7 hours before the alert went out and 171 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: 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.

191 
WFUS54 KMOB 060642
TORMOB
ALC041-060715-
/O.NEW.KMOB.TO.W.0001.200206T0642Z-200206T0715Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
1242 AM CST Thu Feb 6 2020

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  East central Crenshaw County in south central Alabama...

* Until 115 AM CST.
    
* At 1242 AM CST, a severe thunderstorm capable of producing a
  tornado was located near Glenwood, or 4 miles southeast of Luverne,
  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...
  Glenwood around 1245 AM CST.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3166 8616 3164 8616 3160 8620 3168 8632
      3188 8618 3183 8618 3181 8620 3179 8620
      3179 8615 3166 8615
TIME...MOT...LOC 0642Z 230DEG 36KT 3167 8623 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

2 follow-up statements

596 
WWUS54 KMOB 060648
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
1248 AM CST Thu Feb 6 2020

ALC041-060715-
/O.CON.KMOB.TO.W.0001.000000T0000Z-200206T0715Z/
Crenshaw AL-
1248 AM CST Thu Feb 6 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 AM CST FOR EAST
CENTRAL CRENSHAW COUNTY...
    
At 1248 AM CST, a severe thunderstorm capable of producing a tornado
was located over Goshen, moving northeast at 55 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
east central Crenshaw 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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3169 8618 3173 8624 3181 8620 3179 8620
      3179 8615 3166 8615
TIME...MOT...LOC 0648Z 223DEG 46KT 3174 8617 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

563 
WWUS54 KMOB 060654
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
1254 AM CST Thu Feb 6 2020

ALC041-060704-
/O.CAN.KMOB.TO.W.0001.000000T0000Z-200206T0715Z/
Crenshaw AL-
1254 AM CST Thu Feb 6 2020

...THE TORNADO WARNING FOR EAST CENTRAL CRENSHAW COUNTY IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

LAT...LON 3169 8618 3173 8624 3181 8620 3179 8620
      3179 8615 3166 8615
TIME...MOT...LOC 0653Z 230DEG 36KT 3178 8611 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 5, 6:02 PM CST	Special Weather Statement	MOB	Clarke	28 min
Feb 5, 6:16 PM CST	Special Weather Statement	MOB	Wilcox	29 min
Feb 5, 6:33 PM CST	Severe Thunderstorm Warning	MOB	Wilcox	27 min
Feb 6, 12:00 AM CST	Special Weather Statement	MOB	Crenshaw	45 min
Feb 6, 1:07 AM CST	Severe Thunderstorm Warning	MOB	Choctaw	38 min
Feb 6, 1:56 AM CST	Areal Flood Advisory	MOB	Choctaw	3 hr
Feb 6, 2:35 AM CST	Flash Flood Warning	MOB	Choctaw	6 hr
Feb 6, 2:35 AM CST	Severe Thunderstorm Warning	MOB	Wilcox	9 min
Feb 6, 3:26 AM CST	Special Weather Statement	MOB	Clarke	49 min
Feb 6, 3:43 AM CST	Severe Thunderstorm Warning	MOB	Clarke, Wilcox	47 min
Feb 6, 3:50 AM CST	Tornado Warning	MOB	Clarke, Wilcox	40 min
Feb 6, 4:39 AM CST	Special Weather Statement	MOB	Choctaw	51 min
Feb 6, 8:53 AM CST	Special Marine Warning	MOB		67 min
Feb 6, 9:10 AM CST	Special Weather Statement	MOB	Butler	50 min
Feb 6, 9:14 AM CST	Severe Thunderstorm Warning	MOB	Butler, Crenshaw	46 min
Feb 6, 9:53 AM CST	Special Marine Warning	MOB		67 min
Feb 6, 10:33 AM CST	Wind Advisory	MOB	Butler, Conecuh, Covington, Crenshaw, Escambia, Monroe	87 min
Feb 6, 10:55 AM CST	Special Marine Warning	MOB		65 min
Feb 6, 11:52 AM CST	Special Marine Warning	MOB		53 min
Feb 6, 11:53 AM CST	Special Marine Warning	MOB		37 min
Feb 6, 11:57 AM CST	Small Craft Advisory	MOB		27 hr
Feb 6, 12:06 PM CST	Wind Advisory	MOB	Baldwin, Mobile	18 hr

Nearby

Tornado Warnings in Alabama, 2020 Every tornado warning in 2020 Tornadoes 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.