Alert archive / Florida / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 88, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 25, 1997, 5:58 PM EDT for Pasco County, Florida. It was in force for 47 min. 2 reports 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 25, 1997, 5:58 PM EDT (21:58 UTC)
- Expired
- Jun 25, 1997, 6:45 PM EDT
- In force
- 47 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
County Pasco County, FL
The radar
The Tampa radar (KTBW), 67 km from the middle of the area, began a volume at 22:02 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 25, 5:59 PM EDT | Hail 1.75 | Port Richey, FL | Golfball sized hail was reported in Land O' Lakes along U.S. Highway 41. |
| Jun 25, 6:35 PM EDT | Thunderstorm Wind | Dade City, FL | Thunderstorm winds downed several trees near the intersection of Interstate 75 and State Road 41. |
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, 10.0 hours before the alert went out and 67 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
- 1011 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 915 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 25, 2:45 PM EDT, 3 hours 13 minutes earlier.
Area forecast discussion, Jun 25, 2:45 PM EDT, 3 hours 13 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY-RUSKIN, FL 245 PM EDT WED JUN 25 1997 CONVECTION ALREADY DVLPG OVR PENINSULA. EXPECT CONDITIONS SIMILAR TO YDA WITH STG STORMS...WITH GUSTY WINDS AND HEAVIER RAIN...OVR SOME LOCATIONS...AND EVENT ENDING BY 0Z. SOME FOG PSBL OVERNIGHT DUE TO LIGHTER WINDS AND LOW LVL MSTR...HWR FOG TYPICALLY NOT AS PREVALENT DRG SUMMER MORNINGS. WATER VAPOR/MODEL INITIALIZATIONS REVEAL PROGRESSIVE PATTERN OVR NRN U.S. WITH UPR RDG OVR SERN U.S. THE DISTURBANCE NEAR THE GREAT LAKES IS PROGD TO MOV ESE ACRS THE ERN U.S. AND AN ASSOCIATED SFC TROF WL MOV ACRS THE ERN/SERN U.S. AND FORCE THE SFC RDG AXIS SWD INTO CNTRL FL LATER IN THE PD...WHICH MAY MINIMIZE AFTN CONVECTION OVR THE EXTREME NRN FA. FWC POPS ARE TOO LOW. 50% FOR THUR OVER THE FA IS APPROPRIATE. 11
In the hours before
Local storm report, Jun 25, 1:30 PM EDT, 4 hours 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
130 PM EDT WED JUN 25 1997
...ALL TIMES IN EST...
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
345 PM EST RUSKIN FL WIND DAMAGE
06/24/97 HILLSBOROUGH TREE DOWN 21TH ST AND
14 AV. PALM TREE THROUGH
ROOF AT 2121 18TH ST.
FROM HILLSBOROUGH COUNTY SO.
RKRLocal storm report, Jun 25, 1:46 PM EDT, 4 hours 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
130 PM EDT WED JUN 25 1997
...ALL TIMES IN EST...
TIME(EST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
345 PM EST RUSKIN FL WIND DAMAGE
06/24/97 HILLSBOROUGH TREE DOWN 21TH ST AND
14 AV. PALM TREE THROUGH
ROOF AT 2121 18TH ST.
FROM HILLSBOROUGH COUNTY SO.
RKRThe office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 3:31 PM EDT | Severe Thunderstorm Warning | TBW | Sarasota | 44 min |
| Jun 25, 5:22 PM EDT | Severe Thunderstorm Warning | TBW | Hillsborough, Pinellas | 53 min |
| Jun 25, 5:28 PM EDT | Severe Thunderstorm Warning | TBW | Hardee | 32 min |
Nearby
Severe Thunderstorm Warnings in Florida, 1997Every severe thunderstorm warning in 1997
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.