Alert archive / Florida / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 63, NWS Tampa Bay, FL

August 6, 2000Pasco County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Aug 6, 2000, 4:48 PM EDT for Pasco County, Florida. It was in force for 27 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 6, 2000, 4:48 PM EDT (20:48 UTC)
Expired
Aug 6, 2000, 5:15 PM EDT
In force
27 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

County Pasco County, FL

What was reported inside it

TimeReportWhereRemark
Aug 6, 4:52 PM EDTThunderstorm WindHudson, FLThe Pasco County Emergency Management reported that thunderstorm winds downed a few trees, several large branches and few power lines near the intersection of U.S. Highway 19 and Flounder Road in Hudson.
Aug 6, 5:10 PM EDTHail 0.88New Port Richey, FLThe public reported nickel sized hail, through Bay News Nine Cable of Pinellas Park, in New Port Richey.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 8.8 hours before the alert went out and 67 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 2000-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 123 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 2000-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 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
123 J/kg
Mixed-layer CIN
-167 J/kg
Mixed-layer LCL
1512 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
-35 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.

045 
WUUS52 KTBW 062050
SVRTBW
FLC101-062115-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
448 PM EDT SUN AUG 6 2000

THE NATIONAL WEATHER SERVICE IN RUSKIN FLORIDA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN PASCO COUNTY.

* UNTIL 515 PM EDT.

* AT 448 PM EDT... SEVERE THUNDERSTORMS WERE LOCATED OVER SOUTHERN 
PASCO COUNTY INCLUDING NEW PORT RICHEY. THESE THUNDERSTORMS ARE 
MOVING NORTHWEST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT...
  MOON LAKE ESTATES AND HUDSON.

$$

LAT...LON 2819 8278 2819 8244 2840 8247 2847 8303

NNNN

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 Tampa Bay, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 6, 2:30 PM EDT, 2 hours 18 minutes earlier.

Area forecast discussion, Aug 6, 2:30 PM EDT, 2 hours 18 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
230 PM EDT SUN AUG 6 2000

CURRENTLY...THUNDERSTORMS ACTIVITY QUICKLY MOVING NW THROUGH OUR
SOUTHERN AND INTERIOR ZONES ASSOCIATED WITH NORTHERN END OF EASTERLY
WAVE IN THE SE GULF COMBINED WITH HEATING AND SEABREEZE BOUNDARY
CONVERGENCE. MODELS HAVE THIS ACTIVITY MOVING OVER CWA THRU 03Z. THEN
A RAPID DRYING ON MON AS SEEN IN MEAN RH FIELDS AS LOW AS 30 PERCENT.
UPPER RIDGE TO REMAIN OVER THE DEEP SOUTH WITH SFC RIDGE AXIS IN
PLACE OVER N FL. TROPICAL MOISTURE RETURNS TO THE S FL PENINSULA LATE
TUE. LONG RANGE MODELS HAVE AN EASTERLY WAVE APPROACHING FL WED AND
MOVING OVER THE PENINSULA THRU FRI WHICH WILL MAKE EXTENDED
INTERESTING...IF THIS SCENARIO ACTUALLY PLAYS OUT. BLEND OF GUIDANCE
LOOKS GOOD.

MARINE...SFC RIDGE AXIS OVER THE NORTH GULF WATERS TO CONTINUE
EAST TO SOUTHEAST FLOW. TROPICAL WAVE IN THE EXTENDED TO SHIFT
WINDS AND INCREASE SEAS.

PRELIMINARY NUMBERS:
TPA BB 076/093 076/094 4213
FMY BB 075/093 075/094 4214

.TBW...NONE.

RD

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 1:59 PM EDTSevere Thunderstorm WarningTBWCharlotte, Lee46 min
Aug 6, 4:13 PM EDTTornado WarningTBWHillsborough32 min
Aug 6, 4:28 PM EDTSevere Thunderstorm WarningTBWPinellas32 min
Aug 6, 5:06 PM EDTSevere Thunderstorm WarningTBWCitrus, Hernando39 min

Nearby

Severe Thunderstorm Warnings in Florida, 2000Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.