Alert archive / Florida / Flash Flood Warnings in 1997

Flash Flood Warning 4, NWS Jacksonville, FL

June 26, 1997Marion County, Florida

NWS Jacksonville, FL issued this flash flood warning at Jun 26, 1997, 3:43 PM EDT for Marion County, Florida. It was in force for 3 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: Jun 26, 1997, 3:43 PM EDT (19:43 UTC)
Expired: Jun 26, 1997, 6:45 PM EDT
In force: 3 hr
Issued by: NWS Jacksonville, FL
Area: Whole counties

County Marion County, FL

The radar

The Jacksonville radar (KJAX), 146 km from the middle of the area, began a volume at 19:51 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.

The nearest sounding before it

Jacksonville, FL (KNIP), launched 12:00Z, 7.7 hours before the alert went out and 148 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: 1670 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 728 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -6 m²/s²
0-3 km storm-relative helicity: 6 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 KJAX 261947 RRA
FFWJAX
FLC083-262245-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
343 PM EDT THU JUN 26 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  645 PM EDT
FOR PERSONS IN THE FOLLOWING LOCATIONS...
 
IN NORTH FLORIDA
 
   ...MARION COUNTY
 
AT 345 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED OVER TWO
INCHES OF RAINFALL IN LESS THAN AN HOUR ACROSS MARION COUNTY. NUMEROUS
REPORTS OF STREET FLOODING HAVE BEEN RECEIVED FROM ACROSS THE COUNTY.
THE STORMS OVER MARION COUNTY ARE MOVING VERY SLOWLY TO THE NORTH AND
FLOODING WILL CONTINUE AFTER THE RAIN HAS ENDED.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.
 
JOHNSON/SANTOS
 
&

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 26, 2:15 PM EDT	Severe Thunderstorm Warning	JAX	Alachua, Marion	60 min
Jun 26, 2:55 PM EDT	Severe Thunderstorm Warning	JAX	Putnam	65 min
Jun 26, 3:05 PM EDT	Severe Thunderstorm Warning	JAX	Saint Johns	55 min
Jun 26, 3:13 PM EDT	Severe Thunderstorm Warning	JAX	Marion	62 min
Jun 26, 3:34 PM EDT	Severe Thunderstorm Warning	JAX	Clay	56 min
Jun 26, 3:54 PM EDT	Severe Thunderstorm Warning	JAX	Flagler	51 min
Jun 26, 4:04 PM EDT	Severe Thunderstorm Warning	JAX	Gilchrist	56 min
Jun 26, 4:30 PM EDT	Severe Thunderstorm Warning	JAX	Suwannee	60 min

Nearby

Flash Flood Warnings in Florida, 1997 Every flash flood 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; radar from the NEXRAD Level II archive.