Alert archive / Florida / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 24, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jul 2, 2002, 5:58 PM EDT for Highlands County, Florida. It was in force for 47 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
- Jul 2, 2002, 5:58 PM EDT (21:58 UTC)
- Expired
- Jul 2, 2002, 6:45 PM EDT
- In force
- 47 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 21:59 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
Tampa Bay, FL (KTBW), launched 12:00Z, 10.0 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
- 430 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 635 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
806 WUUS52 KTBW 022158 SVRTBW FLC055-022245- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 558 PM EDT TUE JUL 2 2002 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN HIGHLANDS COUNTY IN FLORIDA. * UNTIL 645 PM EDT. * AT 558 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL...OVER SEBRING...MOVING NORTHEAST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... SEBRING. 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. $$ LAT...LON 2751 8157 2735 8148 2746 8116 2766 8127 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 2, 3:48 PM EDT, 2 hours 10 minutes earlier.
Area forecast discussion, Jul 2, 3:48 PM EDT, 2 hours 10 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 348 PM EDT TUE JUL 2 2002 CURRENTLY...SATELLITE AND RADAR SHOWING PRESENCE OF LOW PRESSURE CENTER OVER CENTRAL PENINSULA WITH CONVECTION DEVELOPING AND ROTATING AROUND IT. SEA BREEZE HAS DEVELOPED IN WEST TO NORTHWEST FLOW FROM SRQ SOUTHWARD...BUT STRUGGLING FROM THE TAMPA BAY AREA NORTH WHERE WINDS ARE FROM THE NORTHEAST TO EAST. SHOULD CONTINUE TO SEE SCATTERED CONVECTION INTO THE EVENING HOURS ALONG SEA BREEZE AND OUTFLOW BOUNDARIES FROM STORMS. FORECAST...MODELS CONTINUE TO KEEP UPPER LEVEL TROUGH/SHEAR AXIS ACROSS THE AREA INTO WEDNESDAY THAN BEGIN TO SHOW SOME DIFFERENCES. WILL GO WITH THE AVN/NGM SOLUTION WHICH TENDS TO LIFT TROUGH AXIS A LITTLE FARTHER NORTH AND DEVELOP A SURFACE LOW OVER GEORGIA WHICH THEN DRIFTS BACK INTO THE NORTH CENTRAL GULF OF MEXICO SATURDAY. AT THE SAME TIME A SURFACE RIDGE WILL TRY AND BUILD IN SOUTH OF THE AREA. THIS WILL PUT THE REGION IN A WEST TO SOUTHWEST FLOW THURSDAY THROUGH FRIDAY WITH MAINLY LATE NIGHT AND MORNING CONVECTION ALONG THE COAST SHIFTING INLAND DURING THE AFTERNOON. FLOW WILL SHIFT TO A MORE SOUTHERLY DIRECTION ON SATURDAY AS LOW DRIFTS WEST AND RIDGE AXIS SHIFTS NORTH WITH SCATTERED CONVECTION POSSIBLE AT ALMOST ANY TIME. NOT SURE IF RIDGE AXIS WILL CONTINUE TO SHIFT NORTH AS NEW AVN RUN AS BACKED OFF ON THIS...BUT WILL NOT CHANGE FORECAST AT THIS TIME AND CONTINUE WITH PREVIOUS THINKING THAT A MORE TYPICAL SOUTHEAST FLOW WILL SET UP WITH MAINLY AFTERNOON AND EVENING CONVECTION SUNDAY THROUGH TUESDAY. MARINE...WINDS OVER NORTHERN HALF OF COASTAL WATERS HAVE REMAINED NORTH TO NORTHEAST AROUND LOW PRESSURE AREA...EXCEPT RIGHT NEAR THE COAST WHERE THE SEA BREEZE HAS DEVELOPED. OVER SOUTHERN AREAS WINDS HAVE SHIFTED TO WEST NORTHWEST. WINDS SHOULD BECOME MAINLY WEST TO NORTHWEST OVERNIGHT AND THEN WEST TO SOUTHWEST BY THURSDAY. WINDS WILL REMAIN 10 KNOTS OR LESS SO NO HIGHLIGHTS ANTICIPATED. FIRE WEATHER...NO HIGHLIGHTS. PRELIMINARY NUMBERS: BKV 069/090 070/090 3424 TPA 074/088 075/089 3434 GIF 072/090 073/091 3434 SRQ 072/087 073/089 3434 FMY 073/089 074/091 3434 TBW...NONE. PRC
Nearby
Severe Thunderstorm Warnings in Florida, 2002Every severe thunderstorm warning in 2002
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.