Alert archive / Florida / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 44, NWS Tampa Bay, FL

July 24, 2000Highlands County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jul 24, 2000, 2:33 PM EDT for Highlands County, Florida. It was in force for 27 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 24, 2000, 2:33 PM EDT (18:33 UTC)
Expired
Jul 24, 2000, 3:00 PM EDT
In force
27 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

County Highlands County, FL

The radar

The Melbourne radar (KMLB), 109 km from the middle of the area, began a volume at 18:36 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.

What was reported inside it

TimeReportWhereRemark
Jul 24, 2:45 PM EDTThunderstorm WindLake Placid, FLThunderstorm winds ripped off large segments of a dairy farm roof and damaged several smaller out buildings on Southwest Ruck's Dairy Road near State Road 70, six miles southeast of Lake Placid.

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, 6.6 hours before the alert went out and 112 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 2000-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1335 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 2000-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
1335 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
821 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
59 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 
WUUS52 KTBW 241833
SVRTBW
FLC055-241900-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
233 PM EDT MON JUL 24 2000

THE NATIONAL WEATHER SERVICE IN RUSKIN FLORIDA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HIGHLANDS COUNTY.

* UNTIL 300 PM EDT.

* AT 233 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS...9 MILES
  SOUTHEAST OF LAKE PLACID...MOVING NORTHEAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT...
  ARCHBOLD BY 235 PM EDT.



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

$$

LAT...LON 2719 8156 2703 8150 2727 8106 2755 8130

09
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 24, 2:30 PM EDT, 3 minutes earlier.

Area forecast discussion, Jul 24, 2:30 PM EDT, 3 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
230 PM EDT MON JUL 24 2000

FOCUS REMAINS ON TODAYS WEATHER.  OUTFLOW BOUNDARY HAS PUSHED AXIS
OF HEAVIEST RAIN A LITTLE FURTHER SOUTH WHICH NOW STRETCHES FROM
LONGBOAT KEY TO BRADENTON.  STRONG U/L DIVERGENCE REMAINS OVER WEST
CENTRAL FLORIDA ALONG WITH PW AROUND 2 INCHES.  OUTFLOW ALSO EXTENDS
FROM CRYSTAL RIVER TO ABOUT 75 MILES WEST OF CLEARWATER BEACH
MOVING SOUTHEAST AT 10 TO 15 MPH.  THIS WILL BE THE FOCUS FOR
HEAVY RAIN AND WILL LIKELY INCREASE CONVECTION IN THE TAMPA BAY AREA
BY LATE AFTERNOON.  SHOWERS AND THUNDERSTORMS SHOULD END AROUND
MIDNIGHT ACROSS THE REGION.

FORECAST...LITTLE CHANGE ON TUESDAY.  STRONG U/L DIVERGENCE...AVN
ACTUALLY SHOWS IT STRONGER THAN TODAY...WILL REMAIN OVER THE REGION
WITH PW AGAIN AROUND 2 INCHES.  SHOWERS AND THUNDERSTORMS WILL
REDEVELOP LATE TONIGHT ALONG THE COAST AND WILL SPREAD SLOWLY INLAND.
LOCALLY HEAVY RAIN AND FLOODING WILL AGAIN BE THE MAIN THREAT.

WEDNESDAY APPEARS TO BE A TRANSITION DAY AS DEEP SOUTHWEST FLOW
CONTINUES OVER THE NORTHERN FA...HOWEVER SURFACE RIDGE WILL MOVE
SLOWLY NORTH AND BACK L/L FLOW TO THE EAST ACROSS THE SOUTHERN
FA.  TRANSITION PATTERNS ARE TOUGH TO FORECAST...BUT THIS WILL LIKELY
CAUSE LIGHT NIGHT/MORNING SHOWERS AND THUNDERSTORMS NORTH OF TAMPA...
AND LATE AFTEROON SHOWERS AND THUNDERSTORMS ACROSS THE SOUTHERN FA.

EXTENDED...THURSDAY THROUGH SATURDAY...RIDGE AXIS WILL LIFT NORTH
OF THE FA WITH EASTERLY FLOW TAKING HOLD FOR THE FIRST TIME IN QUITE
AWHILE.  SLIGHTLY DRIER AIR WILL ADVECT OVER THE REGION.
SCATTERED AFTERNOON SHOWERS AND THUNDERSTORMS WILL DEVELOP ALONG THE
WEST COAST SEA BREEZE. TEMPERATURES WILL RETURN TO NORMALS WITH
OVERNIGHT LOWS IN THE LOW TO MID 70S AND HIGHS NEAR 90 TO LOWER 90S.

MARINE...WINDS WILL REMAIN SOUTH TO SOUTHWEST ACROSS THE NORTHERN
WATERS...BUT WILL BACK EAST TO SOUTHEAST OVER THE SOUTHERN WATERS ON
WEDNESDAY AS THE SURFACE RIDGE LIFTS NORTH OVER THE SOUTHEASTERN
GULF.

PRELIMINARY NUMBERS
TPA TT 074/086 073/089 5845
FMY TT 074/089 074/092 3635

.TBW...NONE.

OGLESBY

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; radar from the NEXRAD Level II archive.