Alert archive / Florida / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 65, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 17, 2001, 7:28 PM EDT for Highlands County, Florida. It was in force for 32 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
- Jun 17, 2001, 7:28 PM EDT (23:28 UTC)
- Expired
- Jun 17, 2001, 8:00 PM EDT
- In force
- 32 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 23:31 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 17, 7:30 PM EDT | Hail 0.75 | Lake Placid, FL | Dime sized hail was reported by a Skywarn Spotter in the Leisure Lakes subdivision five miles northwest 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, 11.5 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
- 1244 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 755 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KTBW 172329 SVRTBW FLC055-180000- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 728 PM EDT SUN JUN 17 2001 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN HIGHLANDS COUNTY IN FLORIDA. * UNTIL 800 PM EDT. * AT 728 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS...9 MILES SOUTHWEST OF LAKE PLACID...MOVING NORTH AT 10 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... ARCHBOLD BY 730 PM EDT. LAKE PLACID BY 800 PM EDT. 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 2716 8157 2711 8137 2746 8125 2751 8152 57 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 17, 1:10 PM EDT, 6 hours 18 minutes earlier.
Area forecast discussion, Jun 17, 1:10 PM EDT, 6 hours 18 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 110 PM EDT SUN JUN 17 2001 SOME RELIEF IS ON THE WAY TO COASTAL LOCATIONS WHO HAVEN'T RECEIVED ANY MEASURABLE RAIN IN NEARLY TWO WEEKS. PERSISTENT WESTERLY FLOW PATTERN WHICH HAS DOMINATED SINCE EARLY JUNE WILL BREAK DOWN...AT LEAST TEMPORARILY...EARLY THIS WEEK. THOUGH DEEP TROPICAL EASTERLIES ARE NOT EXPECTED...THE COMBINATION OF WEAK SE TO E FLOW...POOLED MOISTURE ACROSS THE PENINSULA...AND WEAK UPPER LEVEL DISTURBANCES WILL BRING RAIN CHC/COVERAGE TO OR JUST ABOVE CLIMO LEVELS. NO SIGNIFICANT DIFFERENCES IN MODELS' BIG PICTURES TO THIS EFFECT. HOWEVER...NUANCES...SUCH AS THE MESO ETA'S IMPLICATION OF A SOLID LINE OF PCPN NEAR THE COAST WELL INTO THE NIGHT MON...MAY BE OVERDONE. NGM/AVN DEEP LAYERED FLOW BACKS TO THE ESE A BIT QUICKER THAN THE ETA...AND WILL LEAN TOWARD THIS SOLN GIVEN POSITION OF FEATURES FROM SFC THROUGH H50. SHORT TERM: CURRENTLY...ISOLD/SCT CONVECTION WILL SOON BE UNDERWAY. WCSB PUSH IS FAIRLY IMPRESSIVE N OF TAMPA BAY AS EXPECTED. THE OTHER PLAYER FOR THIS EVENING WILL BE CLOUD BOUNDARY AND EVENTUAL CONVECTION SLIDING SW THROUGH N FL/GA BEHIND WIND SHIFT LINE. FOR LEVY CO... WILL PLAY IT SAFE WITH LOW CHC POP OVERNIGHT. ELSW ALONG THE SUNCOAST...ISOLD/SCT EVE INLAND PCPN. ON MON...E/SE FLOW OVERTAKES THE LOWER ATMOSPHERE...BUT STILL HINTS OF LIGHT W/SW FLOW ABOVE H80 UNTIL LATE IN THE DAY. BY MON EVENING...LIGHT S TO SE FLOW RISES HIGHER STILL...GRADUALLY MOISTENING THE COLUMN. RIGHT NOW...TUE LOOKS TO BE THE BEST DAY OF THE TWO FOR AREAL COVERAGE. HOWEVER...DUE TO UNCERTAINTY...PREFER TO PLAY CLIMO POP VALUES WITH AN LATE AFTN/EVENING TIMING PREFERENCE. EXTENDED: WED/THU LOOK TO BE MORE OF THE SAME THOUGH DEEP EASTERLIES TEND TO BREAK DOWN AS H50 TROUGH APPROACHES THE E U.S. STILL ENOUGH POOLED MOISTURE AND LOW LVL E FLOW TO KEEP SCT AFTN/EVE TSTM MENTION. FRI MAY BEGIN A SUBTLE TRANSITION IN PCPN TIMING...WHICH LOOKS TO BECOME MORE PRONOUNCED OVER THE WEEKEND...ESP OVER THE N CWFA...AS SFC LOW PRES DEVELOPS OVER THE SE U.S. AND WINDS VEER TO THE SW ONCE AGAIN. MARINE: QUIET THROUGH THE PERIOD OUTSIDE OF ANY CONVECTION. FIRE WX: DITTO. PRELIM NUMBERS: TPA TT 075/092/073/091 2445 FMY TT 073/092/072/091 3455 TBW...NONE. 88/GOLDSMITH
Nearby
Severe Thunderstorm Warnings in Florida, 2001Every severe thunderstorm warning in 2001
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.