Alert archive / Florida / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 19, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 29, 2002, 5:43 PM EDT for Manatee 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
- Jun 29, 2002, 5:43 PM EDT (21:43 UTC)
- Expired
- Jun 29, 2002, 6:30 PM EDT
- In force
- 47 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
County Manatee County, FL
The radar
The Tampa radar (KTBW), 26 km from the middle of the area, began a volume at 21:42 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, 9.7 hours before the alert went out and 26 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
- 576 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 880 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 9 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 292143 SVRTBW FLC081-292230- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 538 PM EDT SAT JUN 29 2002 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN MANATEE COUNTY IN FLORIDA. * UNTIL 630 PM EDT. * AT 543 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH DAMAGING WINDS...7 MILES SOUTHEAST OF PALMETTO...MOVING NORTHWEST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... ELLENTON. PALMETTO. BRADENTON. 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 2740 8250 2750 8233 2765 8248 2756 8266 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 29, 3:10 PM EDT, 2 hours 33 minutes earlier.
Area forecast discussion, Jun 29, 3:10 PM EDT, 2 hours 33 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION...COR WORDING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 310 PM EDT SAT JUN 29 2002 WET PATTERN ACROSS THE REGION WILL CONTINUE INTO NEXT WEEK. LIGHT SOUTHEAST BOUNDARY FLOW WILL PERSIST ONE MORE DAY BEFORE BECOMING SOUTHERLY ON SUNDAY NIGHT AS SURFACE HIGH TEMPORARILY RETREATS EAST OF FLORIDA. MOISTURE WILL POOL OVER THE NORTHERN FA INVOF A WEAK U/L LOW. THIS WILL INCREASE AFTERNOON SHOWER AND THUNDERSTORM ACTIVITY NORTH OF TAMPA. MONDAY APPEARS VERY SIMILAR WITH WEAK SOUTHERLY BOUNDARY LAYER FLOW AND DEEP TROPICAL MOISTURE OVER THE REGION. HIGH POPS ACROSS THE AREA WITH HEAVIEST RAINFALL LIKELY NORTH OF TAMPA...WITH TRAINING OF CELLS AND LOCALLY HEAVY RAIN POSSIBLE. SURFACE HIGH WILL BEGIN TO BUILD OVER SOUTH FLORIDA MONDAY NIGHT CAUSING THE BOUNDARY LAYER FLOW TO SHIFT SOUTHWEST. WITH U/L LOW POSITIONED OVER THE NORTHEAST GULF...ALTHOUGH WEAK...DEEP SOUTHWEST FLOW WILL DEVELOP ACROSS THE FA. THIS WILL LEAD TO LATE NIGHT SHOWERS AND THUNDERSTORMS DEVELOPING OVER THE EASTERN GULF OF MEXICO AND SPREADING LOCALLY ONSHORE DURING THE MORNING HOURS. LOCALIZED TRAINING OF CELLS MAY DEVELOP ALONG PORTIONS OF THE COAST WITH HEAVY RAINFALL POSSIBLE. THIS PATTERN WILL PERSIST THROUGH WEDNESDAY. TIMING IS DIFFICULT...BUT IT APPEARS THE U/L LOW AND POSSIBLE WEAK SURFACE LOW WILL BEGIN TO LIFT EAST OF FLORIDA THURSDAY WITH FLOW BECOMING WEST TO NORTHWEST ACROSS THE FA FOR THURSDAY AND FRIDAY. THIS WOULD DECREASE AFTERNOON CONVECTION OVER MUCH OF THE FA WITH THE BEST CHANCE OF THUNDERSTORMS OVER THE INTERIOR. SURFACE HIGH WILL BUILD OVER THE SOUTHEAST U.S. ON SATURDAY WITH DRIER AIR ALOFT ADVECTING OVER MUCH OF THE FA SIGNIFICANTLY LOWERING POPS ACROSS WEST CENTRAL FLORIDA SATURDAY. MARINE...WINDS AND SEAS LESS THAN 15 KNOTS AND SEAS LESS THAN 4 FEET THROUGH THE PERIOD. PRELIM S: BKV 071/089 071/088 3737 TPA 073/089 075/088 4747 GIF 073/091 074/091 3636 SRQ 072/089 074/088 4747 FMY 073/091 074/090 4747= TBW...NONE. OGLESBY
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 3:37 PM EDT | Special Marine Warning | TBW | 83 min | |
| Jun 29, 3:37 PM EDT | Special Marine Warning | TBW | 83 min | |
| Jun 29, 6:29 PM EDT | Severe Thunderstorm Warning | TBW | Hillsborough | 46 min |
| Jun 29, 6:38 PM EDT | Special Marine Warning | TBW | 52 min | |
| Jun 29, 7:04 PM EDT | Severe Thunderstorm Warning | TBW | Pinellas | 41 min |
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.