Alert archive / Alabama / Tornado Watches in 2005

Tornado Watch 883

November 28, 200510 counties in Alabama; 10 counties in Florida

The Storm Prediction Center issued this tornado watch at Nov 28, 2005, 2:18 AM CST for 10 counties in Alabama; 10 counties in Florida. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: Nov 28, 2005, 2:18 AM CST (08:18 UTC)
Expired: Nov 28, 2005, 10:00 AM CST
In force: 8 hr
Issued by: the Storm Prediction Center

Counties Butler County, AL, Coffee County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Escambia County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Bay County, FL, Calhoun County, FL, Escambia County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Okaloosa County, FL, Santa Rosa County, FL, Walton County, FL, Washington County, FL

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 8.3 hours before the alert went out and 212 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: 1101 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 206 m²/s²
0-3 km storm-relative helicity: 351 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.

000 
WWUS20 KWNS 280815
SEL3  
SPC WW 280815
ALZ000-FLZ000-CWZ000-281600-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 883
NWS STORM PREDICTION CENTER NORMAN OK
215 AM CST MON NOV 28 2005

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       SOUTH CENTRAL AND SOUTHEASTERN ALABAMA
       WESTERN FLORIDA PANHANDLE
       COASTAL WATERS

EFFECTIVE THIS MONDAY MORNING FROM 215 AM UNTIL 1000 AM CST.

TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 35 MILES NORTH NORTHWEST OF
PENSACOLA FLORIDA TO 35 MILES SOUTH SOUTHEAST OF MARIANNA FLORIDA.
 FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU3).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

OTHER WATCH INFORMATION...CONTINUE...WW 881...WW 882...

DISCUSSION...THUNDERSTORMS EXPECTED TO CONTINUE DEVELOPING WITHIN
NWRN EXTENT OF LOW LEVEL MOISTURE PLUME EVIDENT ON IR IMAGERY
EXTENDING ACROSS THE ERN GULF OF MEXICO THIS MORNING.  SHEAR WILL
BECOME INCREASINGLY FAVORABLE FOR SUPERCELLS AND POSSIBLE TORNADOES
AS WSWLY FLOW ALOFT STRENGTHENS EARLY TODAY.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
450. MEAN STORM MOTION VECTOR 23025.


...EVANS

315,0872 311,0845 292,0845 300,0872

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 28, 1:31 AM CST	Mesoscale Discussion	SPC	Baldwin, Butler, Clarke, Coffee, Conecuh, Covington and 10 more	89 min
Nov 28, 7:10 AM CST	Mesoscale Discussion	SPC	Coffee, Covington, Crenshaw, Dale, Geneva, Henry and 2 more	95 min
Nov 28, 9:29 AM CST	Mesoscale Discussion	SPC	Autauga, Baldwin, Bibb, Butler, Chilton, Choctaw and 23 more	2 hr
Nov 28, 9:55 AM CST	Tornado Watch	SPC	Autauga, Baldwin, Barbour, Bibb, Blount, Bullock and 61 more	8 hr
Nov 28, 1:19 PM CST	Mesoscale Discussion	SPC	Autauga, Baldwin, Bibb, Blount, Bullock, Butler and 47 more	116 min
Nov 28, 4:39 PM CST	Mesoscale Discussion	SPC	Autauga, Bibb, Blount, Bullock, Butler, Calhoun and 29 more	66 min
Nov 28, 5:40 PM CST	Tornado Watch	SPC	Autauga, Barbour, Bullock, Butler, Calhoun, Chambers and 21 more	5 hr

Nearby

Tornado Watches in Alabama, 2005 Tornado Watches in Florida, 2005 Every tornado watch in 2005

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.