Alert archive / Florida / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 47, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jul 26, 2000, 8:27 PM EDT for Hillsborough County, Florida. It was in force for 33 min. 1 report 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 26, 2000, 8:27 PM EDT (00:27 UTC)
- Expired
- Jul 26, 2000, 9:00 PM EDT
- In force
- 33 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
County Hillsborough County, FL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 26, 8:40 PM EDT | Thunderstorm Wind | Tampa, FL | Tampa Electric Power Company officials reported that thunderstorm winds downed several large trees, branches and power lines from Davis Island southeast to Gibsonton in central Hillsborough 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 00:00Z, 0.5 hours before the alert went out and 23 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
- 2793 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1141 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 37 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 270029 SVRTBW FLC057-270100- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 827 PM EDT WED JUL 26 2000 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... HILLSBOROUGH COUNTY. * UNTIL 900 PM EDT. * AT 827 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES SOUTHWEST FROM DOWNTOWN TAMPA TO NEAR GIBSONTON...MOVING LITTLE. * THE SEVERE THUNDERSTORM WILL AFFECT... APOLLO BEACH. BRANDON. VALRICO. BLOOMINGDALE. TEMPLE TERRACE. 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 2786 8255 2769 8229 2798 8213 2815 8256 15 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 26, 2:10 PM EDT, 6 hours 17 minutes earlier.
Area forecast discussion, Jul 26, 2:10 PM EDT, 6 hours 17 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 210 PM EDT WED JUL 26 2000 CURRENTLY: SHOWERS/TSTMS BEGINNING TO POP ALONG THE WEST COAST SEABRZ BOUNDARY FROM PINELLAS NORTH. ALSO GETTING SOME INDICATION THAT SHOWERS WANT TO DEVELOP OVER THE INTERIOR. VIS SAT LOOP SHOWS GENERALLY SSE TO NNW CLOUD STREETS...INDICATIVE OF WEAK SSE STEERING FLOW...WITH BROAD SFC RIDGE AXIS BETWEEN TPA AND VEN. DISC: FCST CONTINUES TO BE TRICKY WITH DECIDING PLACEMENT OF BEST POPS. WEAK UPPER RIDGE GENERALLY REMAINS OVER THE AREA THROUGH FRI...WITH SFC RIDGE AXIS SOMEWHERE BETWEEN THE CENT AND NCENT FA. YESTERDAY IT LOOKED LIKE A PROGRESSION TOWARD MORE EASTERLY FLOW BY THURSDAY...BUT LATEST RUNS SHOW ONLY VERY WEAK EASTERLY BOUNDARY LAYER FLOW...WITH AFTN WEST COAST SEABRZS. THINK THURS WILL BE SIMILAR TO TODAY WITH CONVECTION FIRING BY EARLY AFTN NORTH AND SOUTH OF THE SFC RIDGE AXIS ALONG THE WEST COAST SEABRZ...AND LATER AFTN STORMS OVER THE INTERIOR. SEEMS EASTERLY STEERING FLOW TOO WEAK TO FAVOR COASTAL FOR THURS. BY FRI...NGM/FWC SFC WINDS INDICATE SLIGHTLY STRONGER EASTERLY FLOW...WHICH SHOULD FAVOR BEST COVERAGE FOR LATER AFTN/EVENING OVER WEST COAST COUNTIES...BUT CONFIDENCE LOW. WILL KEEP AFTN POPS AROUND 40% THROUGH FRI FOR INTERIOR AND COASTAL ...EXCEPT MAYBE 50% S FA WHERE SLIGHTLY HIGHER MOISTURE RESIDES. EXTENDED: SEE VERY LITTLE CHANGE THROUGH MON. WEAK SFC RIDGE AXIS REMAINS OVER THE NCENT FA...WITH WEAK EASTERLY SFC GRADIENT AND AFTN SEABRZ. FMR KEEPS POPS SLGTLY BELOW NORMAL THROUGH THE PERIOD... WHICH SEEMS OK GIVEN PRESENCE OF DEEP (ALTHO WEAK) RIDGE. WILL IGNORE TROPICAL LOOKING FEATURE IN MRF...WHICH APPROACHES S FL PENIN BY LATE MON. MARINE: NO HIGHLIGHTS EXPECTED THROUGH PERIOD AS WEAK EASTERLY FLOW CONTINUES WITH AFTN ONSHORE FLOW NEAR THE COAST. PRECIP SHOULD CONTINUE TO BE NOCTURNAL...FAVORING NIGHT AND MORNING. THANKS FOR COORD MLB. PRELIM #S: TPA BB 073/089 073/090 074 2434 FMY TB 072/090 073/091 073 3534 .TBW...NONE. MORALES
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 5:56 PM EDT | Severe Thunderstorm Warning | TBW | Lee | 49 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2000Every severe thunderstorm warning in 2000
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.