Alert archive / Florida / Flash Flood Warnings in 1996

Flash Flood Warning 9, NWS Jacksonville, FL

July 6, 1996Marion County, Florida

NWS Jacksonville, FL issued this flash flood warning at Jul 6, 1996, 4:25 PM EDT for Marion County, Florida. It was in force for 6 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
Jul 6, 1996, 4:25 PM EDT (20:25 UTC)
Expired
Jul 6, 1996, 10:30 PM EDT
In force
6 hr
Issued by
NWS Jacksonville, FL
Area
Whole counties

County Marion County, FL

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 8.4 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-pSkew-T log-p diagram, Jacksonville, FL at 12:00Z on 1996-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 965 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, Jacksonville, FL at 12:00Z on 1996-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
965 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
540 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
20 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 Jul 6, 2:44 PM EDT, 1 hour 41 minutes earlier.

Area forecast discussion, Jul 6, 2:44 PM EDT, 1 hour 41 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
243 PM EDT SAT JUL 6 1996

EXPECTING A GRADUAL DRYING OUT PROCESS AS LOW LVL RIDGE BEGINS TO
BUILD WEST ACROSS FL PEN AND H5/H7 SHORT WAVE SLIPS TO THE NORTH
ACROSS THE CAROLINAS. STILL ENOUGH MOISTURE FOR GOOD CHC POPS AND
PREFER AVN DATA. WSR 88D SHOWING TRAIN ECHOES OF CELLS ATTM OVER
ALACHUA COUNTY STREAMING IN FROM GULF AND SATELLITE SHOWING MOISTURE
PLUME FROM YUCATAN TO GULF COAST ACROSS N FL AND S GA. SHOULD BE A
WET LATE AFT/EARLY EVE AS WAS CASE FRI EVE ACROSS NE FL AND SE GA.
COULD BE A FEW STG/SVR STMS BUT MOST LIKLEY JUST STG GUSTY WINDS AS
ATMOSPHERE TOO MOIST. FLOOD WARNINGS NOW OUT FOR ALACHUA AND GILCHRIST
COUJNTIES UNTIL 630 PM.

PRELIM
SSI TB 073/088 073/091 04552
JAX TB 073/091 073/093 04553
GNV TB 072/091 072/093 04552

PETERSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 2:23 PM EDTFlash Flood WarningJAXAlachua4 hr
Jul 6, 2:32 PM EDTFlash Flood WarningJAXGilchrist4 hr
Jul 6, 4:32 PM EDTFlash Flood WarningJAXMarion6 hr

Nearby

Flash Flood Warnings in Florida, 1996Every flash flood warning in 1996

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.