Alert archive / Florida / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 114, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jul 25, 2001, 6:16 PM EDT for Hernando County, Pasco County, Florida. It was in force for 29 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
- Jul 25, 2001, 6:16 PM EDT (22:16 UTC)
- Expired
- Jul 25, 2001, 6:45 PM EDT
- In force
- 29 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
Counties Hernando County, FL, Pasco County, FL
The radar
The Tampa radar (KTBW), 81 km from the middle of the area, began a volume at 22:16 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 |
|---|---|---|---|
| Jul 25, 6:21 PM EDT | Thunderstorm Wind | Hudson, FL | National Weather Service damage survey concluded that straight-line thunderstorm winds, estimated at 55 to 60 mph, caused damage to the tin roof of a home, downed a few large trees and several large branches on Lynway Road. Survey indicated that most of the t |
| Jul 25, 6:36 PM EDT | Thunderstorm Wind | Bayport, FL | Hernando county emergency management reported that thunderstorm winds downed several large branches and power lines along Orchard Road in Hernando Beach along the coast of western Hernando county. |
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, 10.3 hours before the alert went out and 81 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
- 1349 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 800 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 5 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 Jul 25, 3:25 PM EDT, 2 hours 51 minutes earlier.
Area forecast discussion, Jul 25, 3:25 PM EDT, 2 hours 51 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 325 PM EDT WED JUL 25 2001 THIS AFTERNOONS MODEL ANALYSIS INDICATED GOOD CONTINUITY WITH OVERALL SYNOPTIC AND MESO-SCALE FEATURES TO AFFECT SOUTHWEST AND WEST CENTRAL FLORIDA THROUGH THE FORECAST PERIOD. IN A BRIEF NUTSHELL...THE EAST TO WEST HIGH PRESSURE RIDGE AXIS... OVER THE LOW AND MIDDLE PORTIONS OF THE ATMOSPHERE..WILL GENERALLY REMAIN ALONG AND NORTH OF THE FLORIDA-GEORGIA BORDER THROUGH THIS WEEKEND. THIS EVENING...SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE NORTHWEST ALONG THE SEA BREEZE BOUNDARY AT 25-30 MPH. RAIN POPS WILL BE HIGHEST FROM TAMPA NORTHWARD THIS EVENING AS ACTIVITY FILLS IN ALONG THE WEST FLORIDA COAST. IN THE SHORT TERM...EXPECT LATE AFTERNOON AND EARLY EVENING SHOWERS AND THUNDERSTORMS TO DEVELOP ALONG AND SPREAD NORTHWARD ALONG THE SEA BREEZE CONVERGENCE ZONE FROM LEE COUNTY NORTH TO THE TAMPA METRO AREA THROUGH FRIDAY. ACTIVITY SHOULD BE SCATTERED TO NUMEROUS. FOR THIS UPCOMING WEEKEND...THE LONG RANGE AVIATION AND MRF MODELS SUGGEST MID-LEVEL DRYING WITH CONTINUED EAST TO SOUTHEAST SURFACE AND MID-LEVEL FLOW ACROSS THE PENINSULA. THUS...WILL INTRODUCE SLIGHTLY LOWER PROBABILITIES OF RAINFALL FOR THE EXTENDED PORTIONS OF THE WEST FLORIDA COAST FORECAST. TPA 75/90/75/89 6646 FMY 74/90/75/92 4646 .TBW...NONE ZALESKI
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 3:57 PM EDT | Severe Thunderstorm Warning | TBW | Manatee | 48 min |
| Jul 25, 5:49 PM EDT | Severe Thunderstorm Warning | TBW | Hernando, Pasco | 26 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.