Alert archive / Florida / Flash Flood Warnings in 2002

Flash Flood Warning 2, NWS Tampa Bay, FL

June 22, 2002Hernando County, Florida

NWS Tampa Bay, FL issued this flash flood warning at Jun 22, 2002, 6:15 PM EDT for Hernando County, Florida. It was in force for 2 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 22, 2002, 6:15 PM EDT (22:15 UTC)
Expired
Jun 22, 2002, 8:15 PM EDT
In force
2 hr
Issued by
NWS Tampa Bay, FL
Area
Whole counties

County Hernando County, FL

The radar

The Tampa radar (KTBW), 95 km from the middle of the area, began a volume at 22:15 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

Tampa Bay, FL (KTBW), launched 12:00Z, 10.3 hours before the alert went out and 95 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 2002-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1246 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 2002-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 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
1246 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
720 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
45 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 
WGUS52 KTBW 222215
FFWTBW
FLC053-230015-

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
614 PM EDT SAT JUN 22 2002

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* FLOOD WARNING FOR...
  WESTERN HERNANDO COUNTY IN FLORIDA.
  INCLUDING THE ROYAL HIGHLANDS AND BAYPORT AREAS

* UNTIL 815 PM EDT.

* AT 614 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  RAINFALL RATES OF THREE INCHES PER HOUR.

A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.  
RESIDENTS LIVING ALONG STREAMS AND CREEKS...SHOULD TAKE PRECAUTIONS 
NOW TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY 
FLOWING WATERS...OR WATERS OF UNKNOWN DEPTH...BY FOOT OR BY 
AUTOMOBILE. 

$$

LAT...LON 2849 8267 2850 8254 2868 8242 2869 8264

15
NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 5:35 PM EDTFlash Flood WarningTBWSumter85 min
Jun 22, 6:28 PM EDTSpecial Marine WarningTBW62 min

Nearby

Flash Flood Warnings in Florida, 2002Every flash flood warning in 2002

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.