Alert archive / Florida / Flash Flood Warnings in 1996

Flash Flood Warning 2, NWS Tampa Bay, FL

August 17, 1996Sarasota County, Florida

NWS Tampa Bay, FL issued this flash flood warning at Aug 17, 1996, 6:45 PM EDT for Sarasota County, Florida. It was in force for 60 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
Aug 17, 1996, 6:45 PM EDT (22:45 UTC)
Expired
Aug 17, 1996, 7:45 PM EDT
In force
60 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

County Sarasota County, FL

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 10.8 hours before the alert went out and 58 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, Tampa Bay, FL at 12:00Z on 1996-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1257 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, Tampa Bay, FL at 12:00Z on 1996-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 square meters per square second.1939Sfc1 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
1257 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
961 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
17 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 Tampa Bay, FL wrote its last area forecast discussion before this flash flood warning went out at Aug 17, 3:13 PM EDT, 3 hours 32 minutes earlier.

Area forecast discussion, Aug 17, 3:13 PM EDT, 3 hours 32 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY-RUSKIN, FL
315 PM EDT SAT AUG 17 1996

CONVECTION/WEST COAST SEA BRZ ALG COASTAL COUNTIES SHUD MOV INLAND
NORTH OF SRQ...ALTHOUGH NOT MOVG MUCH NOW. SOUTH OF SRG...CONVERGENCE
ZONE SHOULD REMAIN NEAR THE COAST OWING TO STRONGER ELY WND. EXPECT
EAST COAST SEA BRZ TO COLLIDE WITH WCSB TO ENHANCE RW/TRW OVR THE
INTERIOR COUNTIES LATER THIS AFTN. EXPECT STG GUSTY WINDS OWING TO MID
LVL DRYING. ACTIVITY ALSO DVLPG OVR SRN FL SOUTH/SW OF LEE COUNTY ASSOCD
WITH TROPICAL WV AXIS.

CONCUR WITH NGM/AVN SOLNS WITH DVLPG HIGH PRESSURE OVR ERN US/FL WITH
CORRESPONDING ELY SFC FLOW DRG THE PD. FWC APPEARS TOO LOW WITH POPS
AS ELY WND SHUD COMBINE lWITH WCSB/ECSB TO PRODUCE SCT/NUMEROUS RW/TRW
SUN AFTN. FOG TONIGHT OVR FA WOULD BE CONTINGENT ON LOCATION OF MAX RAIN
AND SFC WND.

11

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 17, 2:53 PM EDTSevere Thunderstorm WarningTBWHillsborough, Pasco37 min
Aug 17, 6:45 PM EDTFlash Flood WarningTBWPolk60 min
Aug 17, 6:45 PM EDTSevere Thunderstorm WarningTBWPolk60 min
Aug 17, 6:45 PM EDTSevere Thunderstorm WarningTBWSarasota60 min
Aug 17, 7:16 PM EDTSevere Thunderstorm WarningTBWHardee44 min

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.