Alert archive / Florida / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 46, NWS Tampa Bay, FL

July 26, 2000Polk County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jul 26, 2000, 5:57 PM EDT for Polk County, Florida. It was in force for 63 min. 1 report 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
Jul 26, 2000, 5:57 PM EDT (21:57 UTC)
Expired
Jul 26, 2000, 7:00 PM EDT
In force
63 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

County Polk County, FL

What was reported inside it

TimeReportWhereRemark
Jul 26, 6:35 PM EDTThunderstorm WindLake Wales, FLFlorida Power Electric Company officials reported that thunderstorms winds downed several large trees and power lines in Lake Wales of eastern Polk county.

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, 10.0 hours before the alert went out and 74 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 2000-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1637 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 2000-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 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
1637 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
783 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
50 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 
WUUS52 KTBW 262157
SVRTBW
FLC105-262300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
557 PM EDT WED JUL 26 2000

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL POLK COUNTY.

* UNTIL 700 PM EDT.

* AT 557 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS...7 MILES
  SOUTHWEST OF LAKE WALES...MOVING EAST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT...
  FROSTPROOF.

MOVE INSIDE A STURDY BUILDING. DAMAGING WIND...LARGE HAIL...
TORRENTIAL RAIN...AND DEADLY LIGHTNING ARE EXPECTED. STAY INSIDE AWAY
FROM WINDOWS UNTIL THE STORM HAS PASSED.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE
INDOORS IMMEDIATELY. DO NOT USE ELECTRICAL APPLIANCES OR TELEPHONES.

$$

LAT...LON 2792 8181 2770 8168 2776 8129 2801 8144)

25
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 Jul 26, 2:10 PM EDT, 3 hours 47 minutes earlier.

Area forecast discussion, Jul 26, 2:10 PM EDT, 3 hours 47 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
210 PM EDT WED JUL 26 2000

CURRENTLY: SHOWERS/TSTMS BEGINNING TO POP ALONG THE WEST COAST
SEABRZ BOUNDARY FROM PINELLAS NORTH. ALSO GETTING SOME INDICATION
THAT SHOWERS WANT TO DEVELOP OVER THE INTERIOR. VIS SAT LOOP SHOWS
GENERALLY SSE TO NNW CLOUD STREETS...INDICATIVE OF WEAK SSE STEERING
FLOW...WITH BROAD SFC RIDGE AXIS BETWEEN TPA AND VEN.

DISC: FCST CONTINUES TO BE TRICKY WITH DECIDING PLACEMENT OF BEST
POPS. WEAK UPPER RIDGE GENERALLY REMAINS OVER THE AREA THROUGH
FRI...WITH SFC RIDGE AXIS SOMEWHERE BETWEEN THE CENT AND NCENT FA.
YESTERDAY IT LOOKED LIKE A PROGRESSION TOWARD MORE EASTERLY FLOW BY
THURSDAY...BUT LATEST RUNS SHOW ONLY VERY WEAK EASTERLY BOUNDARY
LAYER FLOW...WITH AFTN WEST COAST SEABRZS. THINK THURS WILL BE
SIMILAR TO TODAY WITH CONVECTION FIRING BY EARLY AFTN NORTH AND
SOUTH OF THE SFC RIDGE AXIS ALONG THE WEST COAST SEABRZ...AND LATER
AFTN STORMS OVER THE INTERIOR. SEEMS EASTERLY STEERING FLOW TOO
WEAK TO FAVOR COASTAL FOR THURS. BY FRI...NGM/FWC SFC WINDS INDICATE
SLIGHTLY STRONGER EASTERLY FLOW...WHICH SHOULD FAVOR BEST COVERAGE
FOR LATER AFTN/EVENING OVER WEST COAST COUNTIES...BUT CONFIDENCE LOW.
WILL KEEP AFTN POPS AROUND 40% THROUGH FRI FOR INTERIOR AND COASTAL
...EXCEPT MAYBE 50% S FA WHERE SLIGHTLY HIGHER MOISTURE RESIDES.

EXTENDED: SEE VERY LITTLE CHANGE THROUGH MON. WEAK SFC RIDGE AXIS
REMAINS OVER THE NCENT FA...WITH WEAK EASTERLY SFC GRADIENT AND AFTN
SEABRZ. FMR KEEPS POPS SLGTLY BELOW NORMAL THROUGH THE PERIOD...
WHICH SEEMS OK GIVEN PRESENCE OF DEEP (ALTHO WEAK) RIDGE. WILL
IGNORE TROPICAL LOOKING FEATURE IN MRF...WHICH APPROACHES S FL PENIN
BY LATE MON.

MARINE: NO HIGHLIGHTS EXPECTED THROUGH PERIOD AS WEAK EASTERLY FLOW
CONTINUES WITH AFTN ONSHORE FLOW NEAR THE COAST. PRECIP SHOULD
CONTINUE TO BE NOCTURNAL...FAVORING NIGHT AND MORNING.

THANKS FOR COORD MLB.

PRELIM #S:
TPA BB 073/089 073/090 074 2434
FMY TB 072/090 073/091 073 3534

.TBW...NONE.

MORALES

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.