Alert archive / Alabama / Tornado Warnings in 2010

Tornado Warning 35, NWS Mobile, AL

November 30, 2010Clarke County, Alabama

NWS Mobile, AL issued this tornado warning at Nov 30, 2010, 4:40 AM CST for Clarke County, Alabama. It was in force for 24 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: Nov 30, 2010, 4:40 AM CST (10:40 UTC)
Expired: Nov 30, 2010, 5:04 AM CST
In force: 24 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

County Clarke County, AL

The radar

The Mobile radar (KMOB), 140 km from the middle of the area, began a volume at 10:44 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Nov 30, 3:49 AM CST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 10.7 hours before the alert went out and 172 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 517 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 540 m²/s²
0-3 km storm-relative helicity: 634 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

683 
WFUS54 KMOB 301040
TORMOB
ALC025-301115-
/O.NEW.KMOB.TO.W.0035.101130T1040Z-101130T1115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
440 AM CST TUE NOV 30 2010

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN CLARKE COUNTY IN SOUTHWEST ALABAMA...
  THIS INCLUDES THE CITIES OF...THOMASVILLE...GROVE HILL...

* UNTIL 515 AM CST

* AT 439 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 8 MILES NORTH OF
  JACKSON...OR 13 MILES SOUTHEAST OF COFFEEVILLE...MOVING NORTHEAST
  AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  GROVE HILL AROUND 455 AM CST...
  FULTON AROUND 505 AM CST...
  THOMASVILLE AROUND 515 AM CST...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 AM CST TUESDAY MORNING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3194 8767 3189 8767 3189 8763 3188 8762
      3187 8761 3157 8786 3164 8802 3201 8782
      3200 8780
TIME...MOT...LOC 1040Z 210DEG 32KT 3164 8792

$$

1 follow-up statement

410 
WWUS54 KMOB 301104
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
504 AM CST TUE NOV 30 2010

ALC025-301114-
/O.CAN.KMOB.TO.W.0035.000000T0000Z-101130T1115Z/
CLARKE AL-
504 AM CST TUE NOV 30 2010

...THE TORNADO WARNING FOR NORTHERN CLARKE COUNTY IS CANCELLED...

AT 503 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THE STORM THAT PROMPTED THE WARNING HAS WEAKENED...THUS THE 
TORNADO WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 AM CST TUESDAY MORNING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3194 8767 3189 8767 3189 8763 3188 8762
      3187 8761 3157 8786 3164 8802 3201 8782
      3200 8780
TIME...MOT...LOC 1104Z 210DEG 32KT 3182 8779

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 30, 4:03 AM CST	Tornado Warning	MOB	Clarke, Washington	42 min
Nov 30, 5:24 AM CST	Tornado Warning	MOB	Washington	36 min
Nov 30, 5:27 AM CST	Tornado Warning	MOB	Washington	24 min
Nov 30, 6:00 AM CST	Tornado Warning	MOB	Washington	30 min
Nov 30, 6:04 AM CST	Severe Thunderstorm Warning	MOB	Clarke, Washington	26 min
Nov 30, 6:24 AM CST	Tornado Warning	MOB	Clarke, Washington	36 min
Nov 30, 6:29 AM CST	Severe Thunderstorm Warning	MOB	Clarke, Wilcox	31 min
Nov 30, 6:53 AM CST	Tornado Warning	MOB	Clarke, Wilcox	37 min
Nov 30, 7:28 AM CST	Severe Thunderstorm Warning	MOB	Wilcox	32 min
Nov 30, 7:30 AM CST	Tornado Warning	MOB	Clarke, Washington	30 min
Nov 30, 7:35 AM CST	Severe Thunderstorm Warning	MOB	Washington	40 min
Nov 30, 7:57 AM CST	Tornado Warning	MOB	Clarke, Wilcox	33 min
Nov 30, 9:10 AM CST	Tornado Warning	MOB	Wilcox	13 min
Nov 30, 9:46 AM CST	Special Marine Warning	MOB		89 min
Nov 30, 10:59 AM CST	Severe Thunderstorm Warning	MOB	Covington	18 min
Nov 30, 11:53 AM CST	Special Marine Warning	MOB		112 min
Nov 30, 11:54 AM CST	Severe Thunderstorm Warning	MOB	Covington	22 min
Nov 30, 1:01 PM CST	Small Craft Advisory	MOB		20 hr
Nov 30, 1:03 PM CST	Special Marine Warning	MOB		117 min
Nov 30, 1:25 PM CST	Special Marine Warning	MOB		95 min

Nearby

Tornado Warnings in Alabama, 2010 Every tornado warning in 2010 Tornadoes in 2010

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.