Alert archive / Florida / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 62, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Oct 13, 2002, 1:35 PM EDT for Levy County, Florida. It was in force for 40 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Oct 13, 2002, 1:35 PM EDT (17:35 UTC)
- Expired
- Oct 13, 2002, 2:15 PM EDT
- In force
- 40 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Counties, with a storm outline in the text
County Levy County, FL
The radar
The Jacksonville radar (KJAX), 156 km from the middle of the area, began a volume at 17:34 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 |
|---|---|---|---|
| Oct 13, 1:50 PM EDT | Hail 0.75 | Otter Creek, FL |
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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 5.6 hours before the alert went out and 158 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
- 1183 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 707 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 15 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 131735 SVRTBW FLC075-131815- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 135 PM EDT SUN OCT 13 2002 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN LEVY COUNTY IN FLORIDA. * UNTIL 215 PM EDT * AT 135 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH DAMAGING WINDS...14 MILES SOUTHWEST OF BRONSON...MOVING NORTHEAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... OTTER CREEK. BRONSON. 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 2938 8293 2921 8285 2937 8236 2957 8245 $$
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 Oct 13, 9:31 AM EDT, 4 hours 4 minutes earlier.
Area forecast discussion, Oct 13, 9:31 AM EDT, 4 hours 4 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 931 AM EDT SUN OCT 13 2002 12Z SOUNDING SHOWS DEEP MOISTURE HAS CONTINUED TO INCREASE WITH PWS IN EXCESS OF 2 INCHES. THIS SHOULD SUPPORT ANOTHER ROUND OF LOCALLY HEAVY RAIN LATE TODAY...MAINLY NEAR THE COAST WHERE THE SEA BREEZE COLLISION IS EXPECTED TO TAKE PLACE. CURRENT FORECAST LOOKS ON TRACK FOR TODAY...SO NO CHANGES PLANNED. MARINE: LIGHT WINDS CONTINUE OVER THE COASTAL WATERS WITH SEAS 2 FEET OR LESS. .TBW...NONE. ALSHEIMER
Hazardous weather outlook, Oct 13, 5:52 AM EDT, 7 hours 43 minutes before
FLZ039-042-043-048>052-055>057-060>062-065-131500- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 552 AM EDT SUN OCT 13 2002 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY: ...SCATTERED LATE AFTERNOON AND EVENING THUNDERSTORMS ESPECIALLY ACROSS COASTAL COUNTIES... HOT AND HUMID AIR WILL BE LIFTED BY THE COLLISION OF EASTERLY FLOW WITH THE GULF COAST SEA BREEZE TO PRODUCE MORE LATE AFTERNOON AND EVENING THUNDERSTORMS. A FEW STORMS WILL DEVELOP OVER INTERIOR WEST CENTRAL FLORIDA BETWEEN 2 AND 4 PM. THESE STORMS WILL CONTAIN OCCASIONAL LIGHTNING AND A BRIEF DOWNPOUR. BOUNDARIES FROM THESE STORMS WILL IGNITE MORE ACTIVITY OVER THE COASTAL COUNTIES BETWEEN 5 AND 7 PM. STRONGER STORMS ARE POSSIBLE BY SUNSET IN AREAS WHERE THE EAST COAST SEA BREEZE PROVIDES ADDITIONAL LIFT. THESE STRONGER STORMS WILL CONTAIN FREQUENT CLOUD TO GROUND LIGHTNING...RAINFALL RATES OF 2 OR 3 INCHES PER HOUR...AND BRIEF WIND GUSTS TO 30 MPH. CONDITIONS WILL GRADUALLY IMPROVE LATER THIS EVENING. WHEN SKIES DARKEN...MOVE INDOORS. IF THERE IS TIME...UNPLUG APPLIANCES AND ELECTRICAL EQUIPMENT. WAIT UNTIL THE STORM ENDS BEFORE USING THE TELEPHONE OR RUNNING WATER. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED. DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY: ...LOCALLY HEAVY RAINFALL POSSIBLE MONDAY NIGHT AND TUESDAY... AN AREA OF LOW PRESSURE WILL DEVELOP IN THE EASTERN GULF MONDAY NIGHT...THEN BEGIN TO INTENSIFY TUESDAY AS AN UPPER LEVEL DISTURBANCE APPROACHES FROM THE WEST. DEEP TROPICAL MOISTURE WILL BE DRAWN NORTHWARD AHEAD OF THE SYSTEM...RESULTING IN NUMEROUS SHOWERS AND THUNDERSTORMS MONDAY NIGHT AND TUESDAY. THE POTENTIAL EXISTS FOR 1 TO 2 INCHES OF RAIN ACROSS A GOOD PART OF WEST CENTRAL AND SOUTHWEST FLORIDA...WITH HIGHER AMOUNTS WHERE STRONGER CELLS DEVELOP. THE ENERGY PROVIDED BY THE DISTURBANCE WILL ALSO INCREASE THE THREAT FOR STRONG THUNDERSTORMS...ESPECIALLY LATE MONDAY NIGHT AND EARLY TUESDAY MORNING. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA OUTLETS FOR FURTHER INFORMATION AS THE SITUATION UNFOLDS. FOR ADDITIONAL INFORMATION...CHECK OUT OUR WEBSITE AT HTTP://WWW.SRH.NOAA.GOV/TBW BSG
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 13, 2:39 PM EDT | Severe Thunderstorm Warning | TBW | Pinellas | 36 min |
| Oct 13, 2:42 PM EDT | Severe Thunderstorm Warning | TBW | Citrus | 48 min |
| Oct 13, 2:55 PM EDT | Severe Thunderstorm Warning | TBW | Hillsborough | 50 min |
| Oct 13, 3:45 PM EDT | Severe Thunderstorm Warning | TBW | Pinellas | 30 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.