Alert archive / Florida / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 67, NWS Tallahassee, FL

June 26, 2004Leon County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Jun 26, 2004, 2:54 PM EDT for Leon County, Florida. It was in force for 36 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
Jun 26, 2004, 2:54 PM EDT (18:54 UTC)
Expired
Jun 26, 2004, 3:30 PM EDT
In force
36 min
Issued by
NWS Tallahassee, FL
Area
Counties, with a storm outline in the text

County Leon County, FL

The radar

The Tallahassee radar (KTLH), 10 km from the middle of the area, began a volume at 18:55 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 26, 1:40 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 6.9 hours before the alert went out and 11 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 2004-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 794 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 2004-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.1939Sfc1 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
794 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
974 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
78 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.

340 
WUUS52 KTAE 261854
SVRTLH
FLC073-261930-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
254 PM EDT SAT JUN 26 2004

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LEON COUNTY IN FLORIDA

* UNTIL 330 PM EDT

* AT 254 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A   
  SEVERE THUNDERSTORM WITH DAMAGING WINDS OVER TALLAHASSEE...MOVING
  NORTHEAST AT 25 MPH.


LAT...LON 3045 8446 3049 8439 3057 8437 3061 8429
          3062 8415 3036 8414 3036 8444

$$

7-TREXLER

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tallahassee, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 26, 2:20 AM EDT, 12 hours 34 minutes earlier.

Area forecast discussion, Jun 26, 2:20 AM EDT, 12 hours 34 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TALLAHASSEE FL
0930AM EDT SAT JUN 26 2004

.SYNOPSIS...
CONDITIONS ARE NEARLY CLEAR ACROSS THE ENTIRE CWA INCLUDING THE
MARINE AREAS.  MODELS ARE SHOWING MORE OF A WESTERLY FLOW PATTERN
THROUGH 500 MB FOR TODAY AS THE ATLANTIC RIDGE EXTENDS FURTHER WEST
ACROSS FLORIDA INTO THE GULF OF MEXICO.  THIS WILL HELP TO REDUCE
THE AMOUNT OF GULF MOISTURE ENTERING INTO OUR AREA.  ALSO THE LATEST
WATER VAPOR LOOP SHOWS SOME DRYING OVER THE CWA.  THIS MORNINGS
MODIFIED SOUNDING SHOWS A 1.75 INCH PRECIPITABLE WATER...A
RESPECTABLE  LI -7 AND CAPE 3268 WHICH IS STILL SOME IMPROVEMENT
OVER YESTERDAY.

&&

.SHORT TERM...TODAY.
EXPECTING SEABREEZE CONVECTION OVER LAND TO GET A LATER START TODAY
WITH LESS PRECIPITATION THAN OCCURRED YESTERDAY.  SHOWERS AND
THUNDERSTORMS WILL DEVELOP FIRST OVER THE EASTERN PANHANDLE THEN
MARCH EAST WITH THE WESTERLY FLOW PATTERN.  MAY NEED TO REDUCE POPS
OVER THE ZONES.

&&

.MARINE...NO HIGHLIGHTS.

&&

.FIRE WEATHER...NO CONCERNS.

&&

.HYDRO...CONVECTION PATTERN WILL BE PROGRESSIVE AND ACCUMULATIONS
SHOULD REMAIN BELOW LEVELS OF CONCERN.

RJL

...PREVIOUS DISCUSSION...
220 AM EDT SAT JUN 26 2004

.SYNOPSIS...
A REVIEW OF RADAR AND SATELLITE SHOWS PRECIPITATION COVERAGE WAS
ACTUALLY GREATEST OVER OUR GA ZONES AND LEAST OVER OUR ERN FL BIG
BEND ZONES. SEA BREEZE EVOLUTION SEEMED TO FIT A TYPE 5 PATTERN
(W-SW 1000-700MB MEAN FLOW > 10 KNOTS). SHOWERS AND STORMS FROM A
WEAKENING LINE OF CONVECTION RECENTLY ENTERED OUR WRN ZONES...BUT
THIS AREA OF PRECIP IS IN THE PROCESS OF DISSIPATING. WATER VAPOR
IMAGES SHOW SWLY FLOW OVER OUR WRN ZONES WITH THE UPPER HIGH NOW
PUSHED FARTHER E TO OVER THE JAX CWFA.

&&

.SHORT TERM...TODAY AND SUNDAY.
TODAY - ALTHOUGH WINDS SHOULD BE MORE WLY...EXPECT ANOTHER TYPE 5
REGIME. SHORT RANGE H3 PROGS SUGGEST SHORTWAVE RIDGING MAY SPREAD N
INTO THE CWFA AS THE CLOSED UPPER LOW NEAR THE YUCATAN PENINSULA
BEGINS TO OPEN AND MOVES N. DO NOT THINK THIS RIDGING SHOULD HAVE
MUCH OF AN IMPACT...AS WE CONTINUE TO HAVE A WETTER AND MORE
UNSTABLE ATMOSPHERIC PROFILE COMPARED TO CLIMATOLOGY.

SUNDAY - THE YUCATAN CLOSED LOW IS PROGGED BY THE MODELS TO OPEN
INTO A SHORTWAVE TROUGH AND MOVE NORTH INTO THE CWFA. HAVE GONE WITH
HIGHER POPS TO ACCOUNT FOR THIS. TIMING SUGGESTS PRECIPITATION
COULD BE JUST AS PREVALENT IN THE MORNING AS IN THE AFTERNOON...SO
HAVE EDITED GRIDS ACCORDINGLY.

.LONG TERM...MONDAY THROUGH FRIDAY.
RAISED POPS MONDAY BASED ON LATEST GUIDANCE. NO OTHER CHANGES WERE
MADE.

&&

.MARINE...NO HIGHLIGHTS.

&&

.FIRE WEATHER...NO CONCERNS.

&&

.PRELIMINARY POINT TEMPS/POPS...

TLH 91 73 92 72 / 60 40 60 30
PFN 88 76 90 76 / 50 40 60 30
DHN 87 72 89 73 / 60 40 60 30
ABY 87 71 90 73 / 60 40 60 30
VLD 90 72 91 72 / 60 40 60 30
CTY 90 74 91 73 / 40 40 60 30

&&

.TAE WATCHES/WARNINGS/ADVISORIES...
AL...NONE.
GA...NONE.
FL...NONE.

&&

TJT
Hazardous weather outlook, Jun 26, 5:15 AM EDT, 9 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TALLAHASSEE FL
515 AM EDT SAT JUN 26 2004

ALZ065>069-FLZ007>019-026>029-034-GAZ120>131-142>148-155>161-GMZ750-
755-770-775-270915-
BAKER GA-BAY FL-BEN HILL GA-BERRIEN GA-BROOKS GA-CALHOUN GA-
CALHOUN FL-CLAY GA-COASTAL WALTON FL-COFFEE AL-COLQUITT GA-COOK GA-
DALE AL-DECATUR GA-DIXIE FL-DOUGHERTY GA-EARLY GA-FRANKLIN FL-
GADSDEN FL-GENEVA AL-GRADY GA-GULF FL-HENRY AL-HOLMES FL-HOUSTON AL-
INLAND WALTON FL-IRWIN GA-JACKSON FL-JEFFERSON FL-LAFAYETTE FL-
LANIER GA-LEE GA-LEON FL-LIBERTY FL-LOWNDES GA-MADISON FL-MILLER GA-
MITCHELL GA-QUITMAN GA-RANDOLPH GA-SEMINOLE GA-TAYLOR FL-TERRELL GA-
THOMAS GA-TIFT GA-TURNER GA-WAKULLA FL-WASHINGTON FL-WORTH GA-
515 AM EDT SAT JUN 26 2004

THIS OUTLOOK IS FOR SOUTHEAST ALABAMA...SOUTHWEST AND SOUTH CENTRAL
GEORGIA...THE FLORIDA BIG BEND AND EASTERN PANHANDLE...AND THE
ADJACENT COASTAL WATERS.

DAY ONE...TODAY AND TONIGHT.
SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED AGAIN.
ISOLATED STRONG THUNDERSTORMS WILL BE POSSIBLE...WITH DAMAGING WINDS
BEING THE PRIMARY SEVERE WEATHER THREAT. FREQUENT LIGHTNING CAN ALSO
BE EXPECTED WITH STRONGER STORMS. RAINFALL RATES BETWEEN ONE AND
TWO INCHES PER HOUR WILL BE POSSIBLE IN LOCALIZED AREAS...RESULTING
IN A THREAT FOR NUISANCE FLOODING OF STREETS AND POOR DRAINAGE AREAS.
STORMS SHOULD DIMINISH IN COVERAGE AND INTENSITY DURING THE LATE
EVENING HOURS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.
SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED EACH DAY WITH
ISOLATED STRONG STORMS ALSO POSSIBLE. HOWEVER...ORGANIZED SEVERE
WEATHER IS NOT EXPECTED AT THIS TIME.

.SPOTTER CALL TO ACTION STATEMENT...
NO ORGANIZED SEVERE WEATHER IS EXPECTED THROUGH TONIGHT...AND
SPOTTER ACTIVATION IS NOT ANTICIPATED. HOWEVER...SPOTTERS ARE
REQUESTED TO SELF-ACTIVATE IF SEVERE WEATHER OR FLOODING IS OBSERVED.

FOR ADDITIONAL WEATHER INFORMATION...VISIT THE NATIONAL WEATHER
SERVICE IN TALLAHASSEE VIA OUR WEB SITE AT WWW.SRH.NOAA.GOV/TLH/ OR
LISTEN TO NOAA WEATHER RADIO...LOCAL TELEVISION OR RADIO STATIONS.

48-TURNAGE

In the hours before

Special weather statement, Jun 26, 2:00 PM EDT, 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
200 PM EDT SAT JUN 26 2004

FLZ012>019-026>029-034-GAZ123-125-127-129-131-142>148-155>161-270000-
BAKER GA-BAY FL-BERRIEN GA-BROOKS GA-CALHOUN GA-CALHOUN FL-
COLQUITT GA-COOK GA-DECATUR GA-DIXIE FL-DOUGHERTY GA-EARLY GA-
FRANKLIN FL-GADSDEN FL-GRADY GA-GULF FL-IRWIN GA-JEFFERSON FL-
LAFAYETTE FL-LANIER GA-LEON FL-LIBERTY FL-LOWNDES GA-MADISON FL-
MILLER GA-MITCHELL GA-SEMINOLE GA-TAYLOR FL-THOMAS GA-TIFT GA-
WAKULLA FL-WORTH GA-
208 PM EDT SAT JUN 26 2004

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH
FOR SOUTHWEST AND SOUTH CENTRAL GEORGIA...AND PARTS OF THE
FLORIDA BIG BEND AND PANHANDLE...EFFECTIVE UNTIL 800 PM EDT SATURDAY
EVENING (700 PM CDT SATURDAY EVENING).

THIS WATCH INCLUDES THE FOLLOWING COUNTIES:

IN FLORIDA...BAY...CALHOUN...GULF...GADSDEN...LIBERTY...
FRANKLIN...LEON...WAKULLA...JEFFERSON...MADISON...
TAYLOR...DIXIE...AND LAFAYETTE.

IN GEORGIA...EARLY...MILLER...SEMINOLE...RANDOLPH...
CALHOUN...BAKER...DECATUR...DOUGHERTY...MITCHELL...GRADY...
LEE...WORTH...COLQUITT...THOMAS...TIFT...COOK...BROOKS...
IRWIN...BERRIEN...LANIER...AND LOWNDES.

7-TREXLER
Special weather statement, Jun 26, 2:18 PM EDT, 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
218 PM EDT SAT JUN 26 2004

GAZ125>127-143>146-155>158-261919-
BAKER GA-COLQUITT GA-DECATUR GA-DOUGHERTY GA-GRADY GA-LEE GA-
MILLER GA-MITCHELL GA-SEMINOLE GA-THOMAS GA-WORTH GA-
219 PM EDT SAT JUN 26 2004

AN AREA OF STRONG THUNDERSTORMS WILL MOVE ACROSS PARTS OF SOUTHWEST
AND SOUTH CENTRAL GEORGIA THROUGH 4 PM EDT. THE STORMS WILL PRODUCE
WIND GUSTS TO NEAR 45 MPH...VERY HEAVY RAIN...FREQUENT AND DANGEROUS
LIGTNING...AND SOME POSSIBLE HAIL. RAIN AMOUNTS WILL REACH AROUND ONE
INCH OR HIGHER WITH THE STORMS. SOME PONDING OF WATER ON ROADWAYS AND
IN LOW LYING AREAS WILL BE POSSIBLE. RESIDENTS SHOULD MONITOR THE
WEATERH OVER THE NEXT SEVERAL HOURS. A SEVERE THUNDERSTORM WATCH IS
IN EFFECT UNTIL 8 PM EDT.

7-TREXLER
Special weather statement, Jun 26, 2:37 PM EDT, 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
237 PM EDT SAT JUN 26 2004

FLZ017-018-027-261921-
JEFFERSON FL-LEON FL-WAKULLA FL-
237 PM EDT SAT JUN 26 2004

AT 236 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS OVER LEON AND NORTHERN WAKULLA COUNTIES...MOVING
EAST NORTHEAST AT 20 TO 25 MPH.

THESE STORMS ARE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH...PEA
SIZED HAIL...FREQUENT CLOUD TO GROUND LIGHTNING...AND TORRENTIAL
DOWNPOURS WHICH MAY CAUSE LOCALIZED FLOODING OF STREETS AND POOR
DRAINAGE AREAS.

MAJ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 10:00 PM EDTSpecial Marine WarningTAE2 hr
Jun 26, 12:27 PM EDTSevere Thunderstorm WarningTAEHolmes, Jackson33 min
Jun 26, 1:26 PM EDTSevere Thunderstorm WarningTAEJackson34 min
Jun 26, 1:55 PM EDTTornado WarningTAEJackson35 min

Nearby

Severe Thunderstorm Warnings in Florida, 2004Every severe thunderstorm warning in 2004

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.