Alert archive / Florida / Flash Flood Warnings in 1994

Flash Flood Warning 2, NWS Tallahassee, FL

June 10, 1994Jackson County, Florida

NWS Tallahassee, FL issued this flash flood warning at Jun 10, 1994, 9:01 PM CDT for Jackson County, Florida. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jun 10, 1994, 9:01 PM CDT (02:01 UTC)
Expired
Jun 11, 1994, 1:00 AM CDT
In force
4 hr
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Jackson County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 2.0 hours before the alert went out and 98 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 1994-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1968 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 00:00Z on 1994-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
1968 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
750 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
87 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 
TTAA00 KTLH 110200
FFWTLH
FLC063-110600-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1001 PM EDT (901 PM CDT) FRI JUN 10 1994
 
THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  200 AM EDT (100 AM CDT)
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH FLORIDA
 
   ...JACKSON COUNTY
 
WEATHER RADAR HAS INDICATED RAINFALL AMOUNTS OVER 5 INCHES ACROSS PARTS
OF JACKSON COUNTY. THE JACKSON COUNTY SHERIFFS DEPARTMENT REPORTED THAT
PARTS OF HWY 69 IN EASTERN JACKSON COUNTY WERE UNDER WATER.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGER OF FLOODS.  IF FLOODING IS OBSERVED, ACT QUICKLY.
MOVE UP TO ESCAPE xFLOOD WATERS.  DO NOT STAY IN AREAS SUBJECT
TO FLOODING WHEN WATER BEGINS RISING.
 
 
 
&

What forecasters said that day

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

In the hours before

Special weather statement, Jun 10, 3:55 PM CDT, 5 hours 6 minutes before
FLZ016-017-018-019-026-027-028-034-102200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
455 PM EDT FRI JUN 10 1994

AT 445 PM EDT STRONG THUNDERSTORMS WERE MOVING ACROSS THE FLORIDA BIG
BEND. THE STRONGEST STORMS WILL MOVE THROUGH SOUTHERN LIBERTY INTO
NORTHEAST FRANKLIN AND SOUTHWEST WAKULLA COUNTY BY 515 PM EDT.

OTHER NUMEROUS SHOWERS AND THUNDERSTORMS WERE OCCURING OVER SOUTHERN
MADISON INTO TAYLOR COUNTIES AND THE ADJACENT COASTAL WATERS. THESE
STORMS WERE MOVING EAST-SOUTHEASTWARD AND WILL MOVE INTO DIXIE COUNTY BY
6 PM EDT. RADAR CONTINUED TO INDICATE RAINFALL AMOUNTS OVER 1.5 INCHES
IN THE LAST HOUR WITH THESE STORMS. THEREFORE COMMUNITIES WITH POOR
DRAINAGE MAY EXPERIENCE SOME MINOR WATER PROBLEMS.

IN ADDITION TO HEAVY RAIN...THESE STORMS ARE CAPABLE OF PRODUCING
FREQUENT CLOUD TO GROUND LIGHTNING...GUSTY WINDS AND SMALL HAIL.

RESIDENTS IN THESE AREAS SHOULD BE AWARE OF RAPIDLY CHANGING WEATHER
CONDITIONS. STAY TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Jun 10, 3:57 PM CDT, 5 hours 4 minutes before
FLZ016-017-018-019-026-027-028-034-102200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
455 PM EDT FRI JUN 10 1994

AT 445 PM EDT STRONG THUNDERSTORMS WERE MOVING ACROSS THE FLORIDA BIG
BEND. THE STRONGEST STORMS WILL MOVE THROUGH SOUTHERN LIBERTY INTO
NORTHEAST FRANKLIN AND SOUTHWEST WAKULLA COUNTY BY 515 PM EDT.

OTHER NUMEROUS SHOWERS AND THUNDERSTORMS WERE OCCURING OVER SOUTHERN
MADISON INTO TAYLOR COUNTIES AND THE ADJACENT COASTAL WATERS. THESE
STORMS WERE MOVING EAST-SOUTHEASTWARD AND WILL MOVE INTO DIXIE COUNTY BY
6 PM EDT. RADAR CONTINUED TO INDICATE RAINFALL AMOUNTS OVER 1.5 INCHES
IN THE LAST HOUR WITH THESE STORMS. THEREFORE COMMUNITIES WITH POOR
DRAINAGE MAY EXPERIENCE SOME MINOR WATER PROBLEMS.

IN ADDITION TO HEAVY RAIN...THESE STORMS ARE CAPABLE OF PRODUCING
FREQUENT CLOUD TO GROUND LIGHTNING...GUSTY WINDS AND SMALL HAIL.

RESIDENTS IN THESE AREAS SHOULD BE AWARE OF RAPIDLY CHANGING WEATHER
BCONDITIONS. STAY TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Jun 10, 8:06 PM CDT, 55 minutes before
FLZ011-110215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
906 PM EDT (806 PM CDT) FRI JUN 10 1994

...THUNDERSTORMS INTENSIFY ACROSS THE FLORIDA BIG BEND...

AT 855 CDT...DOPPLER RADAR INDICATED A RAPIDLY STRENGTHENING LINE OF
THUNDERSTORMS ACROSS CENTRAL JACKSON COUNTY...FROM NORTH OF COTTONDALE
TO EAST OF MARIANNA. THE STRONGEST STORM WAS 5 MILES NORTH OF
COTTONDALE.

RADAR ESTIMATES OF RAINFALL INDICATE RAINFALL AMOUNTS OF BETWEEN 2 AND 3
INCHES PER HOUR IN ASSOCIATION WITH THESE STORMS. IN ADDITION
...LIGHTNING DETECTION SENSORS INDICATE FREQUENT CLOUD TO GROUND
LIGHTNING OVER JACKSON COUNTY. THE STORMS MAY ALSO PRODUCE HAIL AND
STRONG WIND GUSTS.

STAY TUNED FOR FURTHER UPDATES AND POSSIBLE WARNINGS.
Special weather statement, Jun 10, 8:06 PM CDT, 55 minutes before
FLZ011-110215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
906 PM EDT (806 PM CDT) FRI JUN 10 1994

...THUNDERSTORMS INTENSIFY ACROSS THE FLORIDA BIG BEND...

AT 855 CDT...DOPPLER RADAR INDICATED A RAPIDLY STRENGTHENING LINE OF
THUNDERSTORMS ACROSS CENTRAL JACKSON COUNTY...FROM NORTH OF COTTONDALE
TO EAST OF MARIANNA. THE STRONGEST STORM WAS 5 MILES NORTH OF
COTTONDALE.

RADAR ESTIMATES OF RAINFALL INDICATE RAINFALL AMOUNTS OF BETWEEN 2 AND 3
INCHES PER HOUR IN ASSOCIATION WITH THESE STORMS. IN ADDITION
...LIGHTNING DETECTION SENSORS INDICATE FREQUENT CLOUD TO GROUND
LIGHTNING OVER JACKSON COUNTY. THE STORMS MAY ALSO PRODUCE HAIL AND
STRONG WIND GUSTS.

STAY TUNED FOR FURTHER UPDATES AND POSSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 8:11 PM CDTSevere Thunderstorm WarningTAEJackson49 min

Nearby

Flash Flood Warnings in Florida, 1994Every flash flood warning in 1994

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.