Alert archive / Alabama / Tornado Warnings in 2016

Tornado Warning 18, NWS Mobile, AL

February 23, 2016Mobile County, Alabama; George County, Mississippi

NWS Mobile, AL issued this tornado warning at Feb 23, 2016, 5:54 PM CST for Mobile County, Alabama; George County, Mississippi. It was in force for 36 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 23, 2016, 5:54 PM CST (23:54 UTC)
Expired: Feb 23, 2016, 6:30 PM CST
In force: 36 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Mobile County, AL, George County, MS

The radar

The Mobile radar (KMOB), 13 km from the middle of the area, began a volume at 23:55 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
Feb 23, 2:13 PM CST	Tornado Watch PDS	SPC	8 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.9 hours before the alert went out and 144 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: 42 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 667 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 118 m²/s²
0-3 km storm-relative helicity: 129 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

773 
WFUS54 KMOB 232354
TORMOB
ALC097-MSC039-240030-
/O.NEW.KMOB.TO.W.0018.160223T2354Z-160224T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
554 PM CST TUE FEB 23 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN MOBILE COUNTY IN SOUTHWESTERN ALABAMA...
  SOUTHEASTERN GEORGE COUNTY IN SOUTHEASTERN MISSISSIPPI...

* UNTIL 630 PM CST
    
* AT 554 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED OVER HURLEY...OR 13 MILES WEST OF REGIONAL AIRPORT IN
  WEST MOBILE...MOVING NORTHEAST AT 55 MPH.

  HAZARD...TORNADO AND QUARTER SIZE HAIL. 

  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...
  MOBILE AND SEMMES AROUND 610 PM CST. 
  CHUNCHULA AND GULFCREST AROUND 620 PM CST. 
  BUCKS AROUND 630 PM 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.

&&

LAT...LON 3060 8841 3074 8841 3074 8856 3114 8816
      3098 8793 3060 8840
TIME...MOT...LOC 2354Z 223DEG 48KT 3068 8848 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

1 follow-up statement

347 
WWUS54 KMOB 240019
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
619 PM CST TUE FEB 23 2016

ALC097-MSC039-240030-
/O.CON.KMOB.TO.W.0018.000000T0000Z-160224T0030Z/
MOBILE AL-GEORGE MS-
619 PM CST TUE FEB 23 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CST FOR NORTHERN
MOBILE AND SOUTHEASTERN GEORGE COUNTIES...
    
AT 619 PM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR SEMMES...OR 10 MILES NORTHWEST OF REGIONAL AIRPORT IN
WEST MOBILE...MOVING NORTHEAST AT 45 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL. 

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...
  CHUNCHULA AND GULFCREST AROUND 630 PM CST. 

LAT...LON 3074 8856 3114 8816 3098 8793 3060 8840
      3060 8841 3074 8841
TIME...MOT...LOC 0019Z 222DEG 40KT 3081 8835 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 22, 6:52 PM CST	Severe Thunderstorm Warning	MOB	Clarke, Washington	38 min
Feb 22, 8:21 PM CST	Special Weather Statement	MOB	Clarke	39 min
Feb 23, 2:54 AM CST	Special Weather Statement	MOB	Baldwin	51 min
Feb 23, 3:30 AM CST	Gale Warning	MOB		24 hr
Feb 23, 6:46 AM CST	Marine Dense Fog Advisory	MOB		5 hr
Feb 23, 11:42 AM CST	River Flood Warning	MOB	Choctaw, Clarke, Washington	8 days
Feb 23, 11:42 AM CST	River Flood Warning	MOB	Choctaw, Clarke, Washington	8 days
Feb 23, 12:39 PM CST	Coastal Flood Advisory	MOB	Baldwin, Mobile	23 hr
Feb 23, 4:45 PM CST	Special Marine Warning	MOB		30 min
Feb 23, 5:13 PM CST	Special Marine Warning	MOB		47 min
Feb 23, 5:15 PM CST	Special Weather Statement	MOB	Crenshaw	45 min
Feb 23, 5:26 PM CST	Tornado Warning	MOB	Washington	49 min
Feb 23, 5:44 PM CST	Severe Thunderstorm Warning	MOB	Choctaw, Clarke, Mobile, Washington	46 min
Feb 23, 5:58 PM CST	Severe Thunderstorm Warning	MOB	Choctaw, Clarke	62 min
Feb 23, 11:45 AM CST	River Flood Warning	MOB	George, Greene, Wayne	7 days
Feb 23, 4:07 PM CST	Severe Thunderstorm Warning	MOB	George, Greene, Perry, Stone	38 min
Feb 23, 4:08 PM CST	Severe Thunderstorm Warning	MOB	Greene, Perry, Stone	52 min
Feb 23, 4:44 PM CST	Tornado Warning	MOB	Greene, Perry, Wayne	46 min
Feb 23, 5:00 PM CST	Severe Thunderstorm Warning	MOB	George, Greene, Perry, Stone, Wayne	45 min

Nearby

Tornado Warnings in Alabama, 2016 Tornado Warnings in Mississippi, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.