Alert archive / Florida / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 24, NWS Jacksonville, FL

April 23, 1997Flagler County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at Apr 23, 1997, 10:31 AM EDT for Flagler County, Florida. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 23, 1997, 10:31 AM EDT (14:31 UTC)
Expired: Apr 23, 1997, 11:00 AM EDT
In force: 29 min
Issued by: NWS Jacksonville, FL
Area: Whole counties

County Flagler County, FL

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 23, 8:00 AM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 2.5 hours before the alert went out and 121 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 712 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: -215 m²/s²
0-3 km storm-relative helicity: -74 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 severe thunderstorm 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 severe thunderstorm warning went out at Apr 23, 10:30 AM EDT, 1 minute earlier.

Area forecast discussion, Apr 23, 10:30 AM EDT, 1 minute before

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In the hours before

Local storm report, Apr 23, 7:18 AM EDT, 3 hours 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FLORIDA
718 AM EDT WED APR 23 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0510 AM    CALLAHAN                  FL   TORNADO
04/23/97   NASSAU                         PRELIMINARY REPORT...POWER
                                          OUT WITH TREES DOWN.

0515 AM                              FL   TORNADO
04/23/97   NASSAU                         TORNADO TOUCHDOWN AT
                                          INTERSTATE 95 AND STATE
                                          ROAD A1A.

0535 AM    ARLINGTON                 FL   WIND DAMAGE
04/23/97   DUVAL                          LARGE TREE DOWN ACROSS
                                          HOUSE ON PINCANNON ROAD

0540 AM    JACKSONVILLE              FL   WIND DAMAGE
04/23/97   DUVAL                          TREES DOWN ACROSS
                                          PICKETVILLE ROAD

0545 AM    JACKSONVILLE              FL   WIND DAMAGE
04/23/97   DUVAL                          TREES AND POWER LINES DOWN
                                          ON GARDEN STREET

Local storm report, Apr 23, 7:18 AM EDT, 3 hours 13 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE JACKSONVILLE FLORIDA
718 AM EDT WED APR 23 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0510 AM    CALLAHAN                  FL   TORNADO
04/23/97   NASSAU                         PRELIMINARY REPORT...POWER
                                          OUT WITH TREES DOWN.

0515 AM                              FL   TORNADO
04/23/97   NASSAU                         TORNADO TOUCHDOWN AT
                                          INTERSTATE 95 AND STATE
                                          ROAD A1A.

0535 AM    ARLINGTON                 FL   WIND DAMAGE
04/23/97   DUVAL                          LARGE TREE DOWN ACROSS
                                          HOUSE ON FINCANNON ROAD
0540 AM    JACKSONVILLE              FL   WIND DAMAGE
04/23/97   DUVAL                          TREES DOWN ACROSS
                                          PICKETVILLE ROAD

0545 AM    JACKSONVILLE              FL   WIND DAMAGE
04/23/97   DUVAL                          TREES AND POWER LINES DOWN
                                          ON GARDEN STREET

Local storm report, Apr 23, 7:20 AM EDT, 3 hours 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FLORIDA
718 AM EDT WED APR 23 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0510 AM    CALLAHAN                  FL   TORNADO
04/23/97   NASSAU                         PRELIMINARY REPORT...POWER
                                          OUT WITH TREES DOWN.

0515 AM                              FL   TORNADO
04/23/97   NASSAU                         TORNADO TOUCHDOWN AT
                                          INTERSTATE 95 AND STATE
                                          ROAD A1A.

0535 AM    ARLINGTON                 FL   WIND DAMAGE
04/23/97   DUVAL                          LARGE TREE DOWN ACROSS
                                          HOUSE ON PINCANNON ROAD

0540 AM    JACKSONVILLE              FL   WIND DAMAGE
04/23/97   DUVAL                          TREES DOWN ACROSS
                                          PICKETVILLE ROAD

0545 AM    JACKSONVILLE              FL   WIND DAMAGE
04/23/97   DUVAL                          TREES AND POWER LINES DOWN
                                          ON GARDEN STREET

Special weather statement, Apr 23, 8:20 AM EDT, 2 hours 11 minutes before

FLZ020>025-030>033-035>038-040-501-231800-

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE JACKSONVILLE FL
820 AM EDT WED APR 23 1997

...THE TORNADO WATCH FOR NORTHEAST FLORIDA UNTIL 9 AM HAS BEEN
CANCELLED...AND A NEW TORNADO WATCH IS IN EFFECT FOR MUCH OF NORTHEAST
FLORIDA UNTIL 2 PM...

A TORNADO WATCH IS IN EFFECT FOR ALL OF NORTHEAST FLORIDA...EXCEPT
NASSAU...BAKER AND HAMILTON COUNTIES UNTIL 2 PM.

SHORTLY AFTER 8 AM A TORNADO WAS REPORTED ON THE GROUND NEAR ARCHER IN
SOUTHWEST ALACHUA COUNTY. OTHER TORNADOES AND SEVERE THUNDERSTORMS
HAVE BEEN REPORTED ACROSS NORTHEAST FLORIDA OVERNIGHT AND EARLY THIS
MORNING.

AT 820 AM THE SQUALL LINE WAS FOUND FROM THE ARCHER AND GAINESVILLE
AREAS TO STARKE AND WALDO AND THEN CONTINUING EAST TO NEAR BOSTWICK...
HASTINGS AND CRESCENT BEACH.

THE MAIN THREAT FROM THESE STORMS WILL CONTINUE TO BE STRONG WINDS
AND HAIL...WITH ISOLATED TORNADOES POSSIBLE AS THEY MOVE EAST AND
SOUTHEAST.

SPOTTERS WILL CONTINUE TO BE NEEDED.

MOHLIN

Special weather statement, Apr 23, 8:21 AM EDT, 2 hours 10 minutes before

FLZ020>025-030>033-035>038-040-501-231800-

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE JACKSONVILLE FL
820 AM EDT WED APR 23 1997

...THE TORNADO WATCH FOR NORTHEAST FLORIDA UNTIL 9 AM HAS BEEN
CANCELLED...AND A NEW TORNADO WATCH IS IN EFFECT FOR MUCH OF NORTHEAST
FLORIDA UNTIL 2 PM...

A TORNADO WATCH IS IN EFFECT FOR ALL OF NORTHEAST FLORIDA...EXCEPT
NASSAU...BAKER AND HAMILTON COUNTIES UNTIL 2 PM.

SHORTLY AFTER 8 AM A TORNADO WAS REPORTED ON THE GROUND NEAR ARCHER IN
SOUTHWEST ALACHUA COUNTY. OTHER TORNADOES AND SEVERE THUNDERSTORMS
HAVE BEEN REPORTED ACROSS NORTHEAST FLORIDA OVERNIGHT AND EARLY THIS
MORNING.

AT 820 AM THE SQUALL LINE WAS FOUND FROM THE ARCHER AND GAINESVILLE
AREAS TO STARKE AND WALDO AND THEN CONTINUING EAST TO NEAR BOSTWICK...
HASTINGS AND CRESCENT BEACH.

THE MAIN THREAT FROM THESE STORMS WILL CONTINUE TO BE STRONG WINDS
AND HAIL...WITH ISOLATED TORNADOES POSSIBLE AS THEY MOVE EAST AND
SFOUTHEAST.

SPOTTERS WILL CONTINUE TO BE NEEDED.

MOHLIN

Local storm report, Apr 23, 8:36 AM EDT, 1 hour 55 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE JACKSONVILLE FLORIDA
718 AM EDT WED APR 23 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0510 AM    CALLAHAN                  FL   TORNADO
04/23/97   NASSAU                         PRELIMINARY REPORT...POWER
                                          OUT WITH TREES DOWN.

0515 AM                              FL   TORNADO
04/23/97   NASSAU                         TORNADO TOUCHDOWN AT
                                          INTERSTATE 95 AND STATE
                                          ROAD A1A.

0535 AM    ARLINGTON                 FL   WIND DAMAGE
04/23/97   DUVAL                          LARGE TREE DOWN ACROSS
                                          HOUSE ON FINCANNON ROAD
0540 AM    JACKSONVILLE              FL   WIND DAMAGE
04/23/97   DUVAL                          TREES DOWN ACROSS
                                          PICKETVILLE ROAD

0545 AM    JACKSONVILLE              FL   WIND DAMAGE
04/23/97   DUVAL                          TREES AND POWER LINES DOWN
                                          ON GARDEN STREET

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 23, 4:59 AM EDT	Tornado Warning	JAX	Nassau	31 min
Apr 23, 5:29 AM EDT	Severe Thunderstorm Warning	JAX	Duval	61 min
Apr 23, 7:29 AM EDT	Severe Thunderstorm Warning	JAX	Clay	31 min
Apr 23, 7:38 AM EDT	Severe Thunderstorm Warning	JAX	Columbia, Suwannee	37 min
Apr 23, 7:46 AM EDT	Severe Thunderstorm Warning	JAX	Saint Johns	44 min
Apr 23, 7:57 AM EDT	Tornado Warning	JAX	Clay, Putnam	33 min
Apr 23, 8:13 AM EDT	Tornado Warning	JAX	Alachua	47 min
Apr 23, 8:31 AM EDT	Tornado Warning	JAX	Bradford, Clay	59 min
Apr 23, 8:43 AM EDT	Flash Flood Warning	JAX	Alachua	4 hr
Apr 23, 9:41 AM EDT	Severe Thunderstorm Warning	JAX	Flagler	49 min
Apr 23, 9:56 AM EDT	Tornado Warning	JAX	Marion	64 min
Apr 23, 10:08 AM EDT	Flash Flood Warning	JAX	Putnam	4 hr
Apr 23, 11:39 AM EDT	Severe Thunderstorm Warning	JAX	Alachua	36 min
Apr 23, 11:50 AM EDT	Severe Thunderstorm Warning	JAX	Clay	40 min
Apr 23, 12:26 AM EDT	Severe Thunderstorm Warning	JAX	Coffee, Jeff Davis	49 min
Apr 23, 3:20 AM EDT	Severe Thunderstorm Warning	JAX	Ware	40 min
Apr 23, 3:39 AM EDT	Severe Thunderstorm Warning	JAX	Wayne	51 min

Nearby

Severe Thunderstorm Warnings in Florida, 1997 Every severe thunderstorm warning in 1997

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.