Alert archive / Florida / Flash Flood Warnings in 1998

Flash Flood Warning 26, NWS Jacksonville, FL

February 22, 1998Bradford County, Florida

NWS Jacksonville, FL issued this flash flood warning at Feb 22, 1998, 7:47 PM EST for Bradford County, Florida. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 22, 1998, 7:47 PM EST (00:47 UTC)
Expired
Feb 23, 1998, 1:00 AM EST
In force
5 hr
Issued by
NWS Jacksonville, FL
Area
Whole counties

County Bradford County, FL

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 0.8 hours before the alert went out and 76 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, Jacksonville, FL at 00:00Z on 1998-02-23Temperature 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 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 00:00Z on 1998-02-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -91 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
778 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
-91 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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

NWS Jacksonville, FL wrote its last area forecast discussion before this flash flood warning went out at Feb 22, 9:40 AM EST, 10 hours 7 minutes earlier.

Area forecast discussion, Feb 22, 9:40 AM EST, 10 hours 7 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
940 AM EST SUN FEB 22 1998

FIRST BATCH OF CONVECTION OVR THE EXTRM WRN PTNS OF OUR FL CWA ATTM
AND PROPAGATING RPDLY NNE. MRNG SOUNDING AT JAX INDICATE LLVL DIR
SHEAR WITH 20KT ELY FLO AT 1000MB THEN BCMG SWLY ARND 25KT ABV 950MB.
TOR WATCH OVR WRN FL CTYS AND WOULD NOT BE SURPRISED ANOTHER ONE LTR
THIS AFTN TO ITS EAST AS FAVORABLE U/L DYNAMICS SHIFT ACROSS AREA.
HAVE UPDATED FL ZONE PACKAGE TO INCLUDE TOR WATCH ALSO AND BUMPED POPS
UP A NOTCH...OTRW CURRENT PACKAGE LOOKS TO BE ON TRACK.

MOBBS

In the hours before

Special weather statement, Feb 22, 4:22 PM EST, 3 hours 25 minutes before
AMZ435-450-452-454-470-472-474-FLZ020>025-030>033-035>038-040-
GAZ132>136-149>154-162>166-230315-

NORTHEAST FLORIDA AND SOUTHEAST GEORGIA HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSONVILLE FL...UPDATED...
422 PM EST SUN FEB 22 1998

...SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM FOR
ALACHUA...MARION...PUTNAM AND FLAGLER COUNTIES.

...FLOOD WATCH IN EFFECT FOR ALL OF NORTH AND NORTHEAST FLORIDA
THROUGH TONIGHT...

A LINE OF STRONG TO SEVERE THUNDERSTORMS CONTINUE TO TRACK EASTWARD
OVER THE NORTHCENTRAL FLORIDA PENINSULA. THE MAIN THREAT FROM THESE
STORMS WILL BE DAMAGING WINDS...HAIL AND TORNADOES.

ELSEWHERE OVER NORTHEAST FLORIDA AND SOUTHEAST GEORGIA WIDESPREAD
RAIN WITH EMBEDDED THUNDERSTORMS CONTINUE.

A LOW PRESSURE SYSTEM NOW LOCATED IN SOUTHERN MISSISSIPPI WILL
TRACK NORTHEAST TONIGHT. AN ASSOCIATED FRONT WILL SLOWLY WORK EAST
OVER THE AREA WITH RAIN TAPERING OFF FROM THE WEST LATE TONIGHT.
ADDITIONAL RAINFALL AMOUNTS FROM THE STORM WILL AVERAGE FROM ONE TO
ONE AND HALF INCHES WITH ISOLATED AMOUNTS OF 2 TO 3 INCHES.

SINCE THE GROUND REMAINS SATURATED ANY SIGNIFICANT RAINFALL WILL
ONLY SERVE TO COMPLICATE THE FLOODING SITUATION. INTERESTS IN FLOOD
PRONE AREAS SHOULD CONSIDER TAKING PRECAUTIONS FOR THE PROTECTION
OF PROPERTY. GENERALLY...IF YOU EXPERIENCED FLOODING PROBLEMS
DURING LAST MONDAYS STORM IT WOULD BE PRUDENT TO ASSUME FLOODING
COULD OCCUR ONCE AGAIN.

RIVER FLOODING...FLOOD WARNINGS CONTINUE IN EFFECT FOR THE AREA
RIVERS. NUMEROUS RIVERS IN THE AREA CONTINUE ABOVE FLOOD STAGE.
DETAILS ON THESE RIVERS ARE CONTAINED IN RIVER FLOOD STATEMENTS.

RESIDENTS AND INTERESTS IN NORTH FLORIDA AND SOUTHEAST GEORGIA ARE
URGED TO MONITOR LOCAL RADIO...TV...CABLE TELEVISION OR NOAA
WEATHER RADIO FOR FURTHER UPDATES ON THIS DEVELOPING STORM.
MORE OUTLOOKS WILL BE ISSUED AS THE WEATHER SITUATION EVOLVES.

ALONG THE COAST...A SMALL CRAFT ADVISORY IS IN EFFECT DUE TO
INCREASING WINDS AND BUILDING SEAS. NUMEROUS SHOWERS AND
THUNDERSTORMS WILL CONTINUE OVER THE COASTAL WATERS INTO THE EVENING
WITH THE STRONGEST LOCATED TO THE SOUTH OF ST AUGUSTINE.

SPOTTER ACTIVATION WILL LIKELY BE REQUIRED THROUGH THE EVENING.

ADDITIONAL WEATHER INFORMATION MAY BE OBTAINED ON THE WEB AT:
HTTP://WWW.UNF.EDU/NWS/JAX/

RAM
Special weather statement, Feb 22, 4:22 PM EST, 3 hours 25 minutes before
AMZ435-450-452-454-470-472-474-FLZ020>025-030>033-035>038-040-
GAZ132>136-149>154-162>166-230315-

NORTHEAST FLORIDA AND SOUTHEAST GEORGIA HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSONVILLE FL...UPDATED...
422 PM EST SUN FEB 22 1998

...SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM FOR
ALACHUA...MARION...PUTNAM AND FLAGLER COUNTIES.

...FLOOD WATCH IN EFFECT FOR ALL OF NORTH AND NORTHEAST FLORIDA
THROUGH TONIGHT...

A LINE OF STRONG TO SEVERE THUNDERSTORMS CONTINUE TO TRACK EASTWARD
OVER THE NORTHCENTRAL FLORIDA PENINSULA. THE MAIN THREAT FROM THESE
STORMS WILL BE DAMAGING WINDS...HAIL AND TORNADOES.

ELSEWHERE OVER NORTHEAST FLORIDA AND SOUTHEAST GEORGIA WIDESPREAD
RAIN WITH EMBEDDED THUNDERSTORMS CONTINUE.

A LOW PRESSURE SYSTEM NOW LOCATED IN SOUTHERN MISSISSIPPI WILL
TRACK NORTHEAST TONIGHT. AN ASSOCIATED FRONT WILL SLOWLY WORK EAST
OVER THE AREA WITH RAIN TAPERING OFF FROM THE WEST LATE TONIGHT.
ADDITIONAL RAINFALL AMOUNTS FROM THE STORM WILL AVERAGE FROM ONE TO
ONE AND HALF INCHES WITH ISOLATED AMOUNTS OF 2 TO 3 INCHES.

SINCE THE GROUND REMAINS SATURATED ANY SIGNIFICANT RAINFALL WILL
ONLY SERVE TO COMPLICATE THE FLOODING SITUATION. INTERESTS IN FLOOD
PRONE AREAS SHOULD CONSIDER TAKING PRECAUTIONS FOR THE PROTECTION
OF PROPERTY. GENERALLY...IF YOU EXPERIENCED FLOODING PROBLEMS
DURING LAST MONDAYS STORM IT WOULD BE PRUDENT TO ASSUME FLOODING
COULD OCCUR ONCE AGAIN.

RIVER FLOODING...FLOOD WARNINGS CONTINUE IN EFFECT FOR THE AREA
RIVERS. NUMEROUS RIVERS IN THE AREA CONTINUE ABOVE FLOOD STAGE.
DETAILS ON THESE RIVERS ARE CONTAINED IN RIVER FLOOD STATEMENTS.

RESIDENTS AND INTERESTS IN NORTH FLORIDA AND SOUTHEAST GEORGIA ARE
URGED TO MONITOR LOCAL RADIO...TV...CABLE TELEVISION OR NOAA
WEATHER RADIO FOR FURTHER UPDATES ON THIS DEVELOPING STORM.
MORE OUTLOOKS WILL BE ISSUED AS THE WEATHER SITUATION EVOLVES.

ALONG THE COAST...A SMALL CRAFT ADVISORY IS IN EFFECT DUE TO
INCREASING WINDS AND BUILDING SEAS. NUMEROUS SHOWERS AND
THUNDERSTORMS WILL CONTINUE OVER THE COASTAL WATERS INTO THE EVENING
WITH THE STRONGEST LOCATED TO THE SOUTH OF ST AUGUSTINE.

SPOTTER ACTIVATION WILL LIKELY BE REQUIRED THROUGH THE EVENING.

ADDITIONAL WEATHER INFORMATION MAY BE OBTAINED ON THE WEB AT:
HTTP://WWW.UNF.EDU/NWS/JAX/

RAM
Special weather statement, Feb 22, 5:56 PM EST, 1 hour 51 minutes before
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Special weather statement, Feb 22, 7:28 PM EST, 19 minutes before
FLZ020>025-030-031-035-036-GAZ150-162>166-230430-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
728 PM EST SUN FEB 22 1998

FLOOD WARNINGS CONTINUE ACROSS LARGE PORTIONS OF NORTH FLORIDA AND
SOUTH GEORGIA ALONG THE FLORIDA-GEORGIA BORDER. THESE WARNINGS ARE
BEING EXTENDED AND UPDATED AT THIS TIME AND WILL EXTEND TO
MIDNIGHT.

MANY EMERGENCY MANAGERS ARE REQUESTING THAT RESIDENTS IN NORTH
FLORIDA AND EXTREME SOUTHEAST GEORGIA AVOID TRAVEL UNLESS IT IS
ABSOLUTELY NECESSARY. ROADWAYS THAT ARE FLOODED...IMPASSABLE OR
WASHED ARE TOO NUMEROUS TO MENTION SPECIFICALLY. IF YOU RECEIVED
FLOODING DURING LAST MONDAYS STORM IT IS PRUDENT TO ASSUME YOU
WILL RECEIVE FLOODING ONCE AGAIN.

AS OF 725 PM SOME OF THE MORE SIGNIFICANT REPORTS WHICH HAVE BEEN
RECEIVED...

...ALACHUA COUNTY...

FLOODING IS OCCURRING ON US HIGHWAY 441 AT THE 1400 BLOCK.

TWO HOMES HAVE BEEN FLOODED.

...CAMDEN COUNTY...

HIGHWAY 40 IS CLOSED IN CHARLTON COUNTY JUST ACROSS THE COUNTY
LINE. ALTERNATE ROUTES ARE HIGHWAY 17 TO 108 IN NASSAU COUNTY OR
HIGHWAY 252.

...COLUMBIA COUNTY...

THE AMERICAN RED CROSS HAS OPENED A SHELTER FOR COLUMBIA COUNTY
RESIDENTS AT THE MASON CITY COMMUNITY CENTER. THE CENTER IS LOCATED
ON US HIGHWAY 41/441 SOUTH APPROXIMATELY TWO MILES SOUTH OF THE
INTERSECTION OF COUNTY ROAD 240 AT WATERMELON PARK. PERSONS
DESIRING SHELTER SHOULD BRING ANY MEDICATION AND PERSONAL ITEMS YOU
WILL NEED. NO PETS WILL BE ALLOWED IN THE SHELTER. FOR ADDITIONAL
INFORMATION CALL 904-758-1125.

A MAJORITY OF THE RESIDENTS ALONG THE SANTA FE RIVER HAVE
VOLUNTARILY EVACUATED.

...DUVAL COUNTY...

NO SHELTERS HAVE BEEN OPENED AT THIS TIME.

MCCOYS AND HOGANS CREEKS ARE ON THE RISE.

THE TIDE IS RISING ON THE ST. JOHNS RIVER AND IT IS POSSIBLE THAT
DRAINAGE MAY BECOME INHIBITED DURING THE NEXT FEW HOURS. DUVAL
COUNTY EMERGENCY MANAGEMENT IS MONITORING THIS SITUATION.

...HAMILTON COUNTY...

A SHELTER HAS BEEN OPENED AT THE CORINTH CHURCH ON COUNTY ROAD 143
IN THE WESTERN PORTION OF THE COUNTY. ADDITIONAL SHELTERS ARE ON
STANDBY IF NEEDED.

IN WHITE SPRINGS...US HIGHWAY 41 AT STATE ROAD 136 IS CLOSED DUE TO
A WASHOUT. THE FIRST ALTERNATE ROUTE...THROUGH WHITE SPRINGS...IS
BRIDGE ST. AND SUWANNEE ST. THIS MAY HAVE TO BE CLOSED DUE TO
DETERIORATING CONDITIONS. IF THE TEMPORARY ROUTE IS CLOSED THE
SECOND ALTERNATE IS COUNTY ROAD 136 TO COUNTY ROAD 6.

COUNTY ROAD 751 IS CLOSED NORTH OF THE SUWANNEE RIVER DUE TO
FLOODING.

...SUWANNEE COUNTY...

NO SHELTERS ARE OPENED AT THIS TIME.

ONE SOUTHBOUND LANE OF INTERSTATE 75 1/2 MILE NORTH OF EXIT 84 IS
CLOSED DUE TO THE ROADWAY BECOMING UNDERMINED. PLEASE AVOID THIS
AREA IF POSSIBLE.

...UNION COUNTY...

NO SHELTERS HAVE BEEN OPENED AT THIS TIME.

NUMEROUS DIRT ROADS ARE IMPASSABLE DUE TO FLOODING AND WASHOUTS.

SEVERAL PAVED COUNTY ROADS ARE FLOODED AND IMPASSABLE.

THE RAINFALL WILL BEGIN TO TAPER OFF AROUND MIDNIGHT...BUT TRAVEL
WILL REMAIN DIFFICULT THROUGH THE MORNING HOURS. ONCE AGAIN...
TRAVEL ACROSS MUCH OF NORTH FLORIDA AND EXTREME SOUTHEAST GEORGIA
IS DISCOURAGED OVERNIGHT.

SANDRIK
Special weather statement, Feb 22, 7:28 PM EST, 19 minutes before
FLZ020>025-030-031-035-036-GAZ150-162>166-230430-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
728 PM EST SUN FEB 22 1998

FLOOD WARNINGS CONTINUE ACROSS LARGE PORTIONS OF NORTH FLORIDA AND
SOUTH GEORGIA ALONG THE FLORIDA-GEORGIA BORDER. THESE WARNINGS ARE
BEING EXTENDED AND UPDATED AT THIS TIME AND WILL EXTEND TO
MIDNIGHT.

MANY EMERGENCY MANAGERS ARE REQUESTING THAT RESIDENTS IN NORTH
FLORIDA AND EXTREME SOUTHEAST GEORGIA AVOID TRAVEL UNLESS IT IS
ABSOLUTELY NECESSARY. ROADWAYS THAT ARE FLOODED...IMPASSABLE OR
WASHED ARE TOO NUMEROUS TO MENTION SPECIFICALLY. IF YOU RECEIVED
FLOODING DURING LAST MONDAYS STORM IT IS PRUDENT TO ASSUME YOU
WILL RECEIVE FLOODING ONCE AGAIN.

AS OF 725 PM SOME OF THE MORE SIGNIFICANT REPORTS WHICH HAVE BEEN
RECEIVED...

...ALACHUA COUNTY...

FLOODING IS OCCURRING ON US HIGHWAY 441 AT THE 1400 BLOCK.

TWO HOMES HAVE BEEN FLOODED.

...CAMDEN COUNTY...

HIGHWAY 40 IS CLOSED IN CHARLTON COUNTY JUST ACROSS THE COUNTY
LINE. ALTERNATE ROUTES ARE HIGHWAY 17 TO 108 IN NASSAU COUNTY OR
HIGHWAY 252.

...COLUMBIA COUNTY...

THE AMERICAN RED CROSS HAS OPENED A SHELTER FOR COLUMBIA COUNTY
RESIDENTS AT THE MASON CITY COMMUNITY CENTER. THE CENTER IS LOCATED
ON US HIGHWAY 41/441 SOUTH APPROXIMATELY TWO MILES SOUTH OF THE
INTERSECTION OF COUNTY ROAD 240 AT WATERMELON PARK. PERSONS
DESIRING SHELTER SHOULD BRING ANY MEDICATION AND PERSONAL ITEMS YOU
WILL NEED. NO PETS WILL BE ALLOWED IN THE SHELTER. FOR ADDITIONAL
INFORMATION CALL 904-758-1125.

A MAJORITY OF THE RESIDENTS ALONG THE SANTA FE RIVER HAVE
VOLUNTARILY EVACUATED.

...DUVAL COUNTY...

NO SHELTERS HAVE BEEN OPENED AT THIS TIME.

MCCOYS AND HOGANS CREEKS ARE ON THE RISE.

THE TIDE IS RISING ON THE ST. JOHNS RIVER AND IT IS POSSIBLE THAT
DRAINAGE MAY BECOME INHIBITED DURING THE NEXT FEW HOURS. DUVAL
COUNTY EMERGENCY MANAGEMENT IS MONITORING THIS SITUATION.

...HAMILTON COUNTY...

A SHELTER HAS BEEN OPENED AT THE CORINTH CHURCH ON COUNTY ROAD 143
IN THE WESTERN PORTION OF THE COUNTY. ADDITIONAL SHELTERS ARE ON
STANDBY IF NEEDED.

IN WHITE SPRINGS...US HIGHWAY 41 AT STATE ROAD 136 IS CLOSED DUE TO
A WASHOUT. THE FIRST ALTERNATE ROUTE...THROUGH WHITE SPRINGS...IS
BRIDGE ST. AND SUWANNEE ST. THIS MAY HAVE TO BE CLOSED DUE TO
DETERIORATING CONDITIONS. IF THE TEMPORARY ROUTE IS CLOSED THE
SECOND ALTERNATE IS COUNTY ROAD 136 TO COUNTY ROAD 6.

COUNTY ROAD 751 IS CLOSED NORTH OF THE SUWANNEE RIVER DUE TO
FLOODING.

...SUWANNEE COUNTY...

NO SHELTERS ARE OPENED AT THIS TIME.

ONE SOUTHBOUND LANE OF INTERSTATE 75 1/2 MILE NORTH OF EXIT 84 IS
CLOSED DUE TO THE ROADWAY BECOMING UNDERMINED. PLEASE AVOID THIS
AREA IF POSSIBLE.

...UNION COUNTY...

NO SHELTERS HAVE BEEN OPENED AT THIS TIME.

NUMEROUS DIRT ROADS ARE IMPASSABLE DUE TO FLOODING AND WASHOUTS.

SEVERAL PAVED COUNTY ROADS ARE FLOODED AND IMPASSABLE.

THE RAINFALL WILL BEGIN TO TAPER OFF AROUND MIDNIGHT...BUT TRAVEL
WILL REMAIN DIFFICULT THROUGH THE MORNING HOURS. ONCE AGAIN...
TRAVEL ACROSS MUCH OF NORTH FLORIDA AND EXTREME SOUTHEAST GEORGIA
IS DISCOURAGED OVERNIGHT.

SANDRIK

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 22, 7:47 PM ESTFlash Flood WarningJAXAlachua, Baker, Columbia, Gilchrist, Hamilton, Suwannee and 1 more5 hr
Feb 22, 7:47 PM ESTFlash Flood WarningJAXDuval, Nassau5 hr
Feb 22, 9:38 PM ESTSevere Thunderstorm WarningJAXMarion37 min
Feb 22, 10:32 PM ESTSevere Thunderstorm WarningJAXFlagler28 min
Feb 22, 11:22 PM ESTFlash Flood WarningJAXBaker, Nassau10 hr
Feb 22, 11:22 PM ESTFlash Flood WarningJAXClay, Duval, Flagler, Putnam, Saint Johns10 hr
Feb 22, 11:22 PM ESTFlash Flood WarningJAXColumbia, Gilchrist, Hamilton, Suwannee10 hr
Feb 22, 11:22 PM ESTFlash Flood WarningJAXAlachua, Bradford, Union10 hr
Feb 22, 7:47 PM ESTFlash Flood WarningJAXWare5 hr
Feb 22, 11:22 PM ESTFlash Flood WarningJAXClinch, Echols10 hr

Nearby

Flash Flood Warnings in Florida, 1998Every flash flood warning in 1998

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.