Alert archive / Florida / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 64, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 16, 2001, 6:35 PM EDT for Polk County, Florida. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 16, 2001, 6:35 PM EDT (22:35 UTC)
- Expired
- Jun 16, 2001, 7:15 PM EDT
- In force
- 40 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 22:39 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.
The nearest sounding before it
Cape Canaveral, FL (KXMR), launched 12:00Z, 10.6 hours before the alert went out and 131 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
- 177 J/kg
- Mixed-layer CIN
- -125 J/kg
- Mixed-layer LCL
- 1385 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 43 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 162237 SVRTBW FLC105-162315- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 635 PM EDT SAT JUN 16 2001 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN POLK COUNTY IN FLORIDA. * UNTIL 715 PM EDT. * AT 635 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL...OVER INDIAN LAKE ESTATES...MOVING NORTHEAST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... RURAL SOUTHEASTERN POLK COUNTY. SEVERE THUNDERSTORMS CONTAIN WIND GUSTS OF 60 MPH OR HIGHER...AND HAIL THE SIZE OF DIMES OR LARGER. MOVE TO A PLACE OF SAFETY. $$ LAT...LON 2783 8149 2770 8135 2791 8106 2807 8124 13 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 16, 1:30 PM EDT, 5 hours 5 minutes earlier.
Area forecast discussion, Jun 16, 1:30 PM EDT, 5 hours 5 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 130 PM EDT SAT JUN 16 2001 CURRENT FCST PACKAGE IN GOOD SHAPE AS SYNOPTIC TRENDS REMAIN CONSISTENT. MEAN N TO NW FLOW WILL TURN NE...THEN E...IN THE LOWER LAYERS WITH TIME. THIS COMBINED WITH REMNANT UPPER LEVEL ENERGY SHOULD BOOST PCPN CHANCES FOR MORE FOLKS...MOST IMPORTANTLY TOWARD THE NORTH SUNCOAST WHERE SUBSTANTIAL RAIN HAS NOT FALLEN IN NEARLY 10 DAYS. MODELS ARE IN REMARKABLE AGREEMENT THROUGH THE SUNDAY...AS ALL NOW DEPICT EMBEDDED ENERGY IN THE FORM OF SHEAR AXES BOTH SUNDAY AND MONDAY. NGM PERHAPS A TAD DRY...BUT NO SIGNIFICANTLY SO. SHORT TERM: FIRST CELL DEVELOPED ALONG WCSB/TAMPA BAY BREEZE AND IS WEAKENING AS IT SLIDES SE. OTHERWISE...DRY AIR IS OVERTAKING THE LOWER LEVELS ACROSS THE CENTRAL AND N CWFA IN NW FLOW...AND EXPECT LITTLE DEVELOPMENT EARLY ON. HOWEVER...WE'RE WATCHING BLOSSOMING CONVECTION S OF TLH...AND BOUNDARIES FROM THAT MAY CAUSE SOME DEVELOPMENT ACROSS THE NATURE COAST. FARTHER S...WILL HOLD ONTO SCT EARLY EVENING PCPN. FOR TONIGHT...W FLOW AHEAD OF SHEAR AXIS ON TRACK TO DEVELOP ISOLD TO PERHAPS SCT CONVECTION IN THE N AND CENTRAL WATERS...PERHAPS REACHING THE SHORELINE LATE. AFOREMENTIONED BOUNDARY MAY HELP THE CAUSE...SO WILL ROLL ISOLD SHWRS/TSTMS AS CURR FCST. SUNDAY STILL LOOKS TO BE A BIT MORE ACTIVE AS SFC TROUGH SETS UP CAMP UNDERNEATH NNW FLOW ALOFT. SHEAR AXIS WILL ENHANCE VERTICAL MOTION...AND MODEL SOUNDINGS REMAIN QUITE UNSTABLE WITH MAX CAPE BETWEEN 3500 AND 4K. HIGHEST CHC WILL BE INLAND. POOLED MOISTURE COMBINED WITH A RETURN TO NE FLOW MON SHOULD KILL THE LATE NIGHT COASTAL PCPN AND RETURN AREA TO AFTN/EVE PROSPECTS. EXTENDED: NO CHANGES TO CURR FCST. MRF SHOWS YET ANOTHER DEEPENING TROUGH (FOR THE 2ND CONSECUTIVE RUN) MOVING INTO THE E U.S. BY LATE WEEK... AND POSSIBLE SW FLOW NEAR SFC MAY ALTER PCPN TIMING A BIT BY NEXT SAT. UNCERTAINTY LOOMS HOWEVER...SO SEE NO REASON TO GET CUTE. MARINE: LIGHT GRADIENT MEANS NO HIGHLIGHTS. FIRE WX: RH FALLING TO 40 OR JUST BELOW THIS AFTN...BUT SHOULD BE A BIT HIGHER SUN-MON AS DWPTS RETbURN TO MORE SEASONABLE LEVELS. NO HIGHLIGHTS. PRELIM NUMBERS: TPA BB 077/092/074/091 1314 FMY BB 074/092/073/092 2424 .TBW...NONE. 88/GOLDSMITH
In the hours before
Local storm report, Jun 16, 3:03 PM EDT, 3 hours 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
303 PM EDT SAT JUN 16 2001
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0210 PM CAPE CORAL FL .75 INCH HAIL
06/16/01 LEE SEVERAL REPORTS OF DIME
SIZE HAIL. EVENT
DURAT:ION 4 MINUTES.
REPORTED BY STORM
SPOTTERS.The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 1:59 PM EDT | Severe Thunderstorm Warning | TBW | Lee | 31 min |
| Jun 16, 3:00 PM EDT | Severe Thunderstorm Warning | TBW | Charlotte | 30 min |
| Jun 16, 4:15 PM EDT | Severe Thunderstorm Warning | TBW | DeSoto | 30 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.