Alert archive / Florida / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 25, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 23, 2000, 1:11 PM EDT for Highlands County, Florida. It was in force for 34 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
- Jun 23, 2000, 1:11 PM EDT (17:11 UTC)
- Expired
- Jun 23, 2000, 1:45 PM EDT
- In force
- 34 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 17:12 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 23, 1:14 PM EDT | Hail 0.88 | Sebring, FL | A Skywarn Spotter reported nickel sized hail at the Highlands Hammock State Park over rural extreme northwest Highlands county. |
| Jun 23, 1:34 PM EDT | Thunderstorm Wind | Sebring, FL | Highlands County Emergency Management reported that thunderstorms winds downed several power lines and large branches three miles west of Sebring. |
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, 5.2 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.
- Mixed-layer CAPE
- 1049 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 1012 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- -21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
618 WUUS52 KTBW 231713 SVRTBW FLC055-231745- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 111 PM EDT FRI JUN 23 2000 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN HIGHLANDS COUNTY. * UNTIL 145 PM EDT * AT 111 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS...6 MILES SOUTHWEST OF SEBRING...MOVING NORTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... SEBRING BY 120 PM EDT. AVON PARK BY 125 PM EDT. FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. NICKEL SIZED HAIL WAS ALREADY REPORTED WITH THIS STORM. MOVE INDOORS IMMEDIATELY. DO NOT USE ELECTRICAL APPLIANCES OR TELEPHONES. THIS IS A DANGEROUS STORM MOVE INTO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING...AWAY FROM WINDOWS. COVER YOUR HEAD WITH PILLOWS OR CUSHIONS. $$ LAT...LON 2746 8167 2733 8152 2758 8121 2774 8139 TD 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 Jun 23, 9:40 AM EDT, 3 hours 31 minutes earlier.
Area forecast discussion, Jun 23, 9:40 AM EDT, 3 hours 31 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 940 AM EDT FRI JUN 23 2000 PRETTY TYPICAL SUMMER LIGHT WESTERLY FLOW DAY IS TAKING SHAPE. ONE THUNDERSTORM IN SOUTHERN SARASOTA COUNTY FORMED AT THE EASTERN END OF AN OLD BOUNDARY THAT EXTENDS INTO THE GULF. THIS SHOULD GRADUALLY MOVE INLAND AS THE SEABREEZE BOUNDARY CONTINUES TO SHIFT SLOWLY EASTWARD. VORT CENTER ALOFT SHOULD KEEP SOME CLOUDS AROUND TODAY AND A CHANCE OF FEW SHOWERS BEHIND THE SEABREEZE NEAR THE COAST...BUT BEST CHANCES OF RAIN WILL DEFINITELY MOVE INLAND BY AFTERNOON. WILL BLEND ZONES A BIT ON MORNING UPDATE AND GROUP INLAND CENTRAL AND SOUTH CENTRAL COUNTIES TOGETHER. THIS WILL CAUSE AN INCREASE IN POPS FOR THE SOUTHERN INTERIOR ZONES...WHICH MATCHES BETTER WITH ONGOING ACTIVITY. WILL CONCURRENTLY BACK OFF A BIT FOR THE COASTAL COUNTIES FROM HILLSBOROUGH NORTHWARD. WILL RAISE TEMPS IN THE NORTH TODAY AS WELL WITH BKV ALREADY 80 AT 9 AM. WILL ALSO MAKE MORE OF A DIFFERENCE BETWEEN COASTAL AND INLAND LOCATIONS. .TBW...NONE. ALSHEIMER
In the hours before
Local storm report, Jun 23, 9:54 AM EDT, 3 hours 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
954 AM EDT FRI JUN 23 2000...CORRECTED FOR TIME OF EVENT.
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0255 PM WAUCHULA FL WIND DAMAGE
06/22/00 HARDEE SEVERAL TREES BLOWN
OVER 11 SW OF WAUCHULA.
REPORTED BY PUBLIC.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.