Alert archive / Florida / Tornado Watches in 2008

Tornado Watch 95

March 4, 200812 counties in Alabama; 15 counties in Florida; 14 counties in Georgia

The Storm Prediction Center issued this tornado watch at Mar 4, 2008, 3:21 AM CST for 12 counties in Alabama; 15 counties in Florida; 14 counties in Georgia. It was in force for 9 hr.

The area

The outline as issued.

The facts

Issued
Mar 4, 2008, 3:21 AM CST (09:21 UTC)
Expired
Mar 4, 2008, 12:00 PM CST
In force
9 hr
Issued by
the Storm Prediction Center
Largest hail expected
1 in
Strongest gust expected
60 kt
All 41 counties

Baldwin County, AL, 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, Monroe County, AL, Bay County, FL, Calhoun County, FL, Escambia County, FL, Franklin County, FL, Gadsden County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Leon County, FL, Liberty County, FL, Okaloosa County, FL, Santa Rosa County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Calhoun County, GA, Clay County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Grady County, GA, Lee County, GA, Miller County, GA, Mitchell County, GA, Quitman County, GA, Randolph County, GA, Seminole County, GA, Terrell County, GA

The radar

The Eglin Afb radar (KEVX), 61 km from the middle of the area, began a volume at 09:24 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.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
40%
One or more EF2 to EF5 tornadoes
30%
Ten or more severe wind reports
30%
One or more gusts of 65 knots or more
10%
Ten or more severe hail reports
30%
One or more hailstones of 2 inches or more
5%
Six or more combined severe hail and wind reports
90%

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, 9.4 hours before the alert went out and 205 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-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 00:00Z on 2008-03-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 00:00Z on 2008-03-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1267 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
184 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 040924
SEL5  
SPC WW 040924
ALZ000-FLZ000-GAZ000-CWZ000-041800-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 95
NWS STORM PREDICTION CENTER NORMAN OK
320 AM CST TUE MAR 4 2008

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

       SOUTHERN ALABAMA
       WESTERN AND CENTRAL FLORIDA PANHANDLE
       SOUTHWEST GEORGIA
       COASTAL WATERS

EFFECTIVE THIS TUESDAY MORNING FROM 320 AM UNTIL NOON CST.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 110 STATUTE
MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH NORTHWEST OF
DOTHAN ALABAMA TO 55 MILES SOUTHWEST OF PANAMA CITY FLORIDA.  FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU5).

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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 93. WATCH NUMBER 93 WILL NOT BE IN EFFECT AFTER 320
AM CST. CONTINUE...WW 94...

DISCUSSION...BROKEN SQLN ALONG COLD FRONT ASSOCIATED WITH EJECTING
AR UPR LOW/TROUGH EXPECTED TO CONTINUE STEADILY EWD...WHILE EMBEDDED
STORMS MOVE RAPIDLY NNE WITHIN IT.  LOW-LEVEL MOISTURE RETURN HAS
INCREASED APPRECIABLY IN THE LAST FEW HOURS ALONG THE ERN GULF CST. 
SFC OBSERVATIONS/VWP DATA SUGGEST THAT MOISTURE SHOULD CONTINUE TO
SPREAD N INTO SE AL AND SW GA AHEAD OF SQLN LATER THIS MORNING...TO
A DEGREE SUPPORTIVE OF SUSTAINED STORMS.  OTHER STORMS MAY FORM IN
CONFLUENCE LINE AHEAD OF SQLN...OVER CNTRL PARTS OF THE FL PANHANDLE
INTO SE AL.  STRENGTH OF WIND FIELD AND SLIGHTLY BACKED NEAR-SFC
FLOW SUGGEST POTENTIAL FOR ISOLATED TORNADOES...IN ADDITION TO
NARROW SWATHS OF DMGG WIND/MARGINALLY SVR HAIL.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.
MEAN STORM MOTION VECTOR 21045.


...CORFIDI

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 3, 8:59 PM CSTMesoscale DiscussionSPCBaldwin, Butler, Choctaw, Clarke, Conecuh, Crenshaw and 10 more61 min
Mar 3, 9:56 PM CSTTornado WatchSPCBaldwin, Bibb, Butler, Choctaw, Clarke, Conecuh and 16 more7 hr
Mar 4, 1:09 AM CSTMesoscale DiscussionSPCBlount, Cherokee, Cullman, DeKalb, Etowah, Fayette and 10 more66 min
Mar 4, 1:25 AM CSTTornado WatchSPCAutauga, Barbour, Blount, Bullock, Calhoun, Chambers and 28 more8 hr
Mar 4, 2:30 AM CSTMesoscale DiscussionSPCAutauga, Baldwin, Barbour, Bullock, Butler, Chambers and 23 more90 min
Mar 4, 4:55 AM CSTMesoscale DiscussionSPCBullock, Chambers, Clay, Cleburne, Coosa, Elmore and 6 more95 min
Mar 4, 10:17 AM CSTMesoscale DiscussionSPCCalhoun, Chambers, Cherokee, Clay, Cleburne, DeKalb and 4 more118 min
Mar 4, 10:56 AM CSTMesoscale DiscussionSPCBaker, Columbia, Gadsden, Hamilton, Jackson, Jefferson and 4 more2 hr
Mar 4, 11:04 AM CSTTornado WatchSPCBaldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 96 more8 hr
Mar 4, 1:30 PM CSTMesoscale DiscussionSPCBaldwin, Banks, Barrow, Bibb, Butts, Clarke and 40 more90 min
Mar 4, 3:31 PM CSTTornado WatchSPCLincoln8 hr
Mar 4, 4:48 PM CSTMesoscale DiscussionSPCBryan, Bulloch, Burke, Chatham, Effingham, Liberty and 2 more57 min
Mar 4, 5:27 PM CSTTornado WatchSPCBryan, Bulloch, Burke, Candler, Chatham, Columbia and 11 more7 hr

Nearby

Tornado Watches in Florida, 2008Tornado Watches in Georgia, 2008Tornado Watches in Alabama, 2008Every tornado watch in 2008

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.