Alert archive / Florida / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 95, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 24, 2001, 12:26 PM EDT for Polk County, Florida. It was in force for 49 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 24, 2001, 12:26 PM EDT (16:26 UTC)
- Expired
- Jun 24, 2001, 1:15 PM EDT
- In force
- 49 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
County Polk County, FL
The radar
The Tampa radar (KTBW), 74 km from the middle of the area, began a volume at 16:26 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 24, 12:35 PM EDT | Thunderstorm Wind | Auburndale, FL | A local utility reported that thunderstorm winds downed a few large trees, several large branches and a few power lines from Auburndale to Winter Haven over northern 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, 4.4 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.
- Mixed-layer CAPE
- 1498 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 758 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 37 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 241626 SVRTBW FLC105-241715- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1226 PM EDT SUN JUN 24 2001 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN POLK COUNTY IN FLORIDA. * UNTIL 115 PM EDT. * AT 1226 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH DAMAGING WINDS...OVER AUBURNDALE...MOVING EAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... WINTER HAVEN BY 1230 PM EDT. LAKE ALFRED BY 1235 PM EDT. HAINES CITY BY 1250 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. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. MOVE TO A PLACE OF SAFETY...AN INTERIOR ROOM IN THE LOWEST FLOOR OF YOUR HOUSE OR BUSINESS. REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN RUSKIN. $$ LAT...LON 2811 8193 2796 8181 2809 8151 2826 8171 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 24, 9:39 AM EDT, 2 hours 47 minutes earlier.
Area forecast discussion, Jun 24, 9:39 AM EDT, 2 hours 47 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 939 AM EDT SUN JUN 24 2001 ANOTHER WEAK SHORT WAVE MOVING EAST THROUGH THE BASE OF THE UPPER TROUGH ALONG WITH UPPER DIVERGENT PATTERN AND SURFACE HEATING SHOULD AGAIN RESULT IN SCATTERED SHOWERS AND THUNDERSTORMS TODAY... ESPECIALLY OVER MY CENTRAL AND SOUTHERN ZONES WHERE DEEPEST MOISTURE RESIDE. AS FOR MY NORTHERN ZONES (HERNANDO NORTH)...ONGOING FORECAST HAS PRECIP ENDING BY AFTERNOON AS DRIER MID LEVEL (AS DEPICTED ON WATER VAPOR LOOP) FILTERS SEWD. AT THE MOMENT I AM NOT CONVINCED THAT THIS WILL BE THE CASE...AND IN FACT THE LEADING EDGE OF THE DRIER MID LEVEL AIR MAY ACTUALLY HELP TO ENHANCE CONVECTION THIS AFTERNOON WITH SOME IT POSSIBLY STRONG WITH SOME HAIL AS 50H TEMPS ARE NOW RUNNING AROUND -10.5C. WITH THIS IN MIND PLAN TO UPDATE ZONES LATER THIS MORNING TO KEEP A LOW POP (30%) MENTION IN THESE AREAS FOR THE AFTERNOON HOURS. ELSEWHERE ONGOING POP REGIME FOR MY INTERIOR AND SOUTHERN MOST ZONES LOOKS GOOD...BUT WILL ALSO KEEP LOW POP MENTION GOING IN OVER MY WEST CENTRAL COASTAL ZONES RATHER THAN THE PARTIAL CLEARING WORDING FOR THE AFTERNOON. AFOREMENTIONED COLD TEMPS ALOFT MAY ENHANCE HAIL THREAT WITH ANY OF THE STRONGER STORMS THIS AFTERNOON...AND WILL RE- ADDRESS THIS IN A LATE MORNING HWO. MARINE...MINOR WIND WORDING CLEAN UP EXPECTED IN THE 1030 AM UPDATE OTHERWISE REST OF PACKAGE LOOKS IN GOOD SHAPE. THANKS FOR COORD KJAX. .TBW...NONE. MCMICHAEL
In the hours before
Special weather statement, Jun 24, 10:51 AM EDT, 1 hour 35 minutes before
FLZ039-042-043-048>052-055>057-060>062-065-242330- WEST CENTRAL AND SOUTHWEST FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1051 AM EDT SUN JUN 24 2001 ...SCATTERED THUNDERSTORMS THIS AFTERNOON... AN UPPER LEVEL DISTURBANCE MOVING ACROSS THE STATE THIS AFTERNOON ALONG WITH ABUNDANT ATMOSPHERIC MOISTURE AND INSTABILITY WILL RESULT IN SCATTERED SHOWERS AND THUNDERSTORMS ACROSS ALL OF WEST CENTRAL AND SOUTHWEST FLORIDA. SHOWERS AND THUNDERSTORMS MOVING ONSHORE THE WEST COAST LATE THIS MORNING WILL INCREASE IN AREAL COVERAGE AND INTENSITY DURING THE AFTERNOON HOURS...AS THEY MOVE TO THE EAST AT 10 TO 15 MPH. THE PRIMARY THREAT FROM THUNDERSTORMS WILL BE LOCALLY HEAVY RAINS... FREQUENT CLOUD TO GROUND LIGHTNING STRIKES...GUSTY WINDS TO 40 MPH... AND POSSIBLY SOME SMALL HAIL. RESIDENTS AND MARINERS PLANNING OUTDOOR ACTIVITIES THIS AFTERNOON SHOULD KEEP AN EYE TO THE SKY. IF THREATENING WEATHER APPROACHES YOUR LOCATION...MOVE INDOORS OR SEEK A SAFE HARBOR IMMEDIATELY. STAY TUNED TO NOAA WEATHER RADIO...AND LOCAL MEDIA OUTLETS IN THE EVENT ANY STATEMENTS OR WARNINGS BECOME NECESSARY. MCMICHAEL
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.