Alert archive / Florida / Tornado Watches in 2008

Tornado Watch 80

February 26, 200824 counties in Florida; 24 counties in Georgia

The Storm Prediction Center issued this tornado watch at Feb 26, 2008, 11:00 AM EST for 24 counties in Florida; 24 counties in Georgia. It was in force for 9 hr.

The area

The outline as issued.

The facts

Issued
Feb 26, 2008, 11:00 AM EST (16:00 UTC)
Expired
Feb 26, 2008, 8:00 PM EST
In force
9 hr
Issued by
the Storm Prediction Center
Largest hail expected
1.5 in
Strongest gust expected
60 kt
All 48 counties

Alachua County, FL, Baker County, FL, Bradford County, FL, Clay County, FL, Columbia County, FL, Dixie County, FL, Duval County, FL, Flagler County, FL, Franklin County, FL, Gilchrist County, FL, Hamilton County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Levy County, FL, Madison County, FL, Marion County, FL, Nassau County, FL, Putnam County, FL, Saint Johns County, FL, Suwannee County, FL, Taylor County, FL, Union County, FL, Wakulla County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Berrien County, GA, Brantley County, GA, Brooks County, GA, Camden County, GA, Charlton County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Echols County, GA, Glynn County, GA, Grady County, GA, Irwin County, GA, Jeff Davis County, GA, Lanier County, GA, Lowndes County, GA, Pierce County, GA, Thomas County, GA, Tift County, GA, Ware County, GA, Wayne County, GA

What SPC expected

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

Two or more tornadoes
50%
One or more EF2 to EF5 tornadoes
30%
Ten or more severe wind reports
40%
One or more gusts of 65 knots or more
30%
Ten or more severe hail reports
40%
One or more hailstones of 2 inches or more
10%
Six or more combined severe hail and wind reports
80%

Warnings issued inside it

40 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Feb 26, 11:12 AM ESTSevere Thunderstorm WarningTAEJefferson, Leon63 min
Feb 26, 11:36 AM ESTSevere Thunderstorm WarningTAEBerrien, Brooks, Cook, Lanier, Lowndes39 min
Feb 26, 11:44 AM ESTSevere Thunderstorm WarningJAXClinch, Ware16 min
Feb 26, 11:55 AM ESTSevere Thunderstorm WarningTAEBen Hill, Irwin35 min
Feb 26, 12:01 PM ESTSevere Thunderstorm WarningJAXCharlton, Clinch, Ware44 min
Feb 26, 12:02 PM ESTSevere Thunderstorm WarningJAXCoffee, Jeff Davis43 min
Feb 26, 12:06 PM ESTSevere Thunderstorm WarningTAEMadison, Taylor54 min
Feb 26, 12:07 PM ESTSevere Thunderstorm WarningJAXAtkinson, Clinch, Echols, Ware53 min
Feb 26, 12:15 PM ESTSevere Thunderstorm WarningTAELanier, Lowndes30 min
Feb 26, 12:26 PM ESTSevere Thunderstorm WarningJAXHamilton, Suwannee64 min
Feb 26, 12:27 PM ESTSevere Thunderstorm WarningTAETaylor42 min
Feb 26, 12:28 PM ESTTornado WarningTAELowndes17 min
Feb 26, 12:43 PM ESTSevere Thunderstorm WarningJAXNassau47 min
Feb 26, 12:44 PM ESTSevere Thunderstorm WarningJAXBrantley, Charlton, Clinch, Echols, Pierce, Ware61 min
Feb 26, 12:45 PM ESTSevere Thunderstorm WarningJAXAppling, Jeff Davis23 min
Feb 26, 12:47 PM ESTSevere Thunderstorm WarningTAEBrooks, Grady, Thomas28 min
Feb 26, 12:58 PM ESTSevere Thunderstorm WarningTAELafayette, Madison, Taylor31 min
Feb 26, 12:58 PM ESTSevere Thunderstorm WarningJAXAtkinson, Coffee23 min
Feb 26, 1:01 PM ESTSevere Thunderstorm WarningJAXDuval, Saint Johns14 min
Feb 26, 1:04 PM ESTSevere Thunderstorm WarningJAXBrantley, Pierce, Wayne41 min
Feb 26, 1:13 PM ESTSevere Thunderstorm WarningJAXBaker, Columbia47 min
Feb 26, 1:14 PM ESTSevere Thunderstorm WarningTAEBerrien, Brooks, Cook, Lanier, Lowndes31 min
Feb 26, 1:15 PM ESTSevere Thunderstorm WarningJAXAlachua, Bradford, Clay, Putnam, Union45 min
Feb 26, 1:16 PM ESTSevere Thunderstorm WarningJAXCamden, Charlton59 min
Feb 26, 1:21 PM ESTSevere Thunderstorm WarningJAXAppling, Bacon, Coffee, Pierce, Ware27 min
Feb 26, 1:26 PM ESTSevere Thunderstorm WarningJAXHamilton, Suwannee45 min
Feb 26, 1:35 PM ESTTornado WarningJAXCamden, Glynn23 min
Feb 26, 1:37 PM ESTSevere Thunderstorm WarningJAXAppling, Wayne24 min
Feb 26, 1:42 PM ESTSevere Thunderstorm WarningJAXNassau48 min
Feb 26, 1:43 PM ESTSevere Thunderstorm WarningJAXClay, Saint Johns47 min
Feb 26, 2:01 PM ESTSevere Thunderstorm WarningJAXNassau44 min
Feb 26, 2:20 PM ESTSevere Thunderstorm WarningJAXAlachua, Baker, Bradford, Columbia, Gilchrist, Suwannee and 1 more40 min
Feb 26, 2:34 PM ESTSevere Thunderstorm WarningJAXClay, Duval41 min
Feb 26, 3:10 PM ESTSevere Thunderstorm WarningJAXBradford, Clay, Duval, Nassau, Putnam, Saint Johns and 1 more50 min
Feb 26, 3:52 PM ESTSevere Thunderstorm WarningJAXAlachua, Bradford, Clay, Duval, Flagler, Marion and 2 more58 min
Feb 26, 3:59 PM ESTSevere Thunderstorm WarningTBWCitrus, Levy31 min
Feb 26, 4:10 PM ESTSevere Thunderstorm WarningJAXAlachua, Marion65 min
Feb 26, 4:42 PM ESTSevere Thunderstorm WarningJAXAlachua, Clay, Flagler, Marion, Putnam, Saint Johns63 min
Feb 26, 5:12 PM ESTSevere Thunderstorm WarningJAXMarion48 min
Feb 26, 5:44 PM ESTSevere Thunderstorm WarningJAXFlagler33 min

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 12:00Z, 4.0 hours before the alert went out and 95 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 12:00Z on 2008-02-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 534 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2008-02-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 227 square meters per square second.19395878Sfc1 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
534 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
499 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
227 m²/s²
0-3 km storm-relative helicity
253 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.6

Open this sounding in Storm Lab

The text

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

000
WWUS20 KWNS 261558
SEL0  
SPC WW 261558
FLZ000-GAZ000-CWZ000-262300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 80
NWS STORM PREDICTION CENTER NORMAN OK
1100 AM EST TUE FEB 26 2008

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

       NORTHERN FLORIDA
       SOUTHEASTERN GEORGIA
       COASTAL WATERS

EFFECTIVE THIS TUESDAY MORNING AND EVENING FROM 1100 AM UNTIL 600
PM EST.

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 105 STATUTE
MILES EAST AND WEST OF A LINE FROM 35 MILES SOUTHWEST OF CROSS
CITY FLORIDA TO 30 MILES NORTH NORTHEAST OF WAYCROSS GEORGIA. 
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU0).

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 77...WW 79...

DISCUSSION...DISCRETE SUPERCELL DEVELOPMENT WILL CONTINUE ACROSS WW
TODAY...WITH SOME EVOLUTION INTO SMALL BOW ECHOES...AHEAD OF STRONG
UPPER TROUGH AND ASSOCIATED SURFACE COLD FRONT.  AIR MASS WILL
BECOME INCREASINGLY UNSTABLE FROM SW TO NE OVER THE WATCH AREA...AND
SHEAR WILL REMAIN VERY STRONG DESPITE THE WSWLY WINDS IN LOWER
LEVELS.  ISOLATED TORNADOES WILL BE A CONCERN WITH ANY PERSISTENT
ROTATION...IN ADDITION TO DAMAGING WINDS.

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 26040.


...EVANS

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 26, 6:12 AM ESTSevere Thunderstorm WatchSPCEscambia, Okaloosa, Santa Rosa4 hr
Feb 26, 7:50 AM ESTMesoscale DiscussionSPCBay, Calhoun, Gadsden, Holmes, Jackson, Okaloosa and 2 more85 min
Feb 26, 8:39 AM ESTSevere Thunderstorm WatchSPCBay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 11 more6 hr
Feb 26, 10:22 AM ESTMesoscale DiscussionSPCBaker, Bay, Calhoun, Columbia, Gadsden, Gulf and 13 more83 min
Feb 26, 10:35 AM ESTMesoscale DiscussionSPCBaker, Bay, Calhoun, Columbia, Gadsden, Gulf and 13 more85 min
Feb 26, 2:02 PM ESTMesoscale DiscussionSPCAlachua, Baker, Bradford, Clay, Columbia, Dixie and 20 more88 min
Feb 26, 2:41 PM ESTMesoscale DiscussionSPCBrevard, Broward, Charlotte, Citrus, DeSoto, Glades and 22 more94 min
Feb 26, 3:41 PM ESTTornado WatchSPCBrevard, Citrus, DeSoto, Hardee, Hernando, Highlands and 14 more5 hr
Feb 26, 5:41 AM ESTSevere Thunderstorm WatchSPCBaldwin, Barrow, Bibb, Bleckley, Butts, Carroll and 66 more7 hr
Feb 26, 11:25 AM ESTSevere Thunderstorm WatchSPCBryan, Bulloch, Candler, Chatham, Effingham, Evans and 6 more5 hr

Nearby

Tornado Watches in Florida, 2008Tornado Watches in Georgia, 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.