Alert archive / Alabama / Tornado Warnings in 2011

Tornado Warning 2, NWS Tallahassee, FL

March 9, 2011Coffee County, Dale County, Alabama

NWS Tallahassee, FL issued this tornado warning at Mar 9, 2011, 10:05 AM CST for Coffee County, Dale County, Alabama. It was in force for 25 min. 1 report 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 9, 2011, 10:05 AM CST (16:05 UTC)
Expired: Mar 9, 2011, 10:30 AM CST
In force: 25 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon

Counties Coffee County, AL, Dale County, AL

What was reported inside it

Time	Report	Where	Remark
Mar 9, 10:15 AM CST	TSTM WND DMG	Ariton, AL	ROOF DAMAGE TO BUILDING

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 9, 8:39 AM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 4.1 hours before the alert went out and 186 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: 611 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 348 m²/s²
0-3 km storm-relative helicity: 471 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

137 
WFUS52 KTAE 091605
TORTAE
ALC031-045-091630-
/O.NEW.KTAE.TO.W.0002.110309T1605Z-110309T1630Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1005 AM CST WED MAR 9 2011

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN COFFEE COUNTY IN SOUTHEAST ALABAMA...
  NORTHERN DALE COUNTY IN SOUTHEAST ALABAMA...

* UNTIL 1030 AM CST

* AT 1000 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 10 MILES WEST OF ARITON...OR 15 MILES SOUTHEAST
  OF TROY...MOVING EAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HWY
  231 PEA RIVER BRIDGE...ROCKY HEAD...GREATER SALEM CHURCH...
  DILLARD...BARNES...DILL...PHILLIPS CROSSROAD...ARGUTA...BEAMON...
  DYKES CROSSROADS...ASBURY...WARD BRIDGE...SNELLS CROSSROADS...
  BAREFIELD CROSSROADS...SKIPPERVILLE...ROBERTS CROSSROADS...ECHO...
  BERTHA AND BELLS CROSSROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! LEAVE MOBILE HOMES AND VEHICLES FOR SAFER STRUCTURES.
MOVE TO A HALLWAY OR CLOSET ON THE LOWEST FLOOR AWAY FROM WINDOWS AND
OUTSIDE WALLS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CST WEDNESDAY
AFTERNOON FOR SOUTHEAST ALABAMA AND NORTHWEST FLORIDA AND
SOUTHWESTERN GEORGIA.

&&

LAT...LON 3163 8543 3146 8542 3153 8587 3163 8589
      3163 8588 3163 8581 3163 8557
TIME...MOT...LOC 1604Z 268DEG 31KT 3160 8581

$$

14-MROCZKA

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 9, 9:44 AM CST	Tornado Warning	TAE	Coffee	31 min
Mar 9, 10:11 AM CST	Tornado Warning	TAE	Coffee, Geneva	34 min
Mar 9, 10:18 AM CST	Tornado Warning	TAE	Dale	27 min
Mar 9, 10:37 AM CST	Severe Thunderstorm Warning	TAE	Geneva	38 min
Mar 9, 10:47 AM CST	Tornado Warning	TAE	Dale, Geneva, Houston	28 min
Mar 9, 10:48 AM CST	Severe Thunderstorm Warning	TAE	Dale, Henry	42 min
Mar 9, 11:11 AM CST	Tornado Warning	TAE	Henry	15 min

Nearby

Tornado Warnings in Alabama, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.