Alert archive / Florida / Flash Flood Warnings in 1997
Flash Flood Warning 13, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this flash flood warning at Sep 27, 1997, 11:26 AM EDT for Hillsborough County, Manatee County, Pinellas County, Florida. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 27, 1997, 11:26 AM EDT (15:26 UTC)
- Expired
- Sep 27, 1997, 2:15 PM EDT
- In force
- 3 hr
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
Counties Hillsborough County, FL, Manatee County, FL, Pinellas County, FL
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 3.4 hours before the alert went out and 10 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
- 578 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 551 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTBW 271527 FFWTBW FLC015-057-071-081-103-115-271815- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1126 AM EDT SAT SEP 27 1997 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 215 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION(S) IN WEST CENTRAL FLORIDA ...PINELLAS COUNTY ...HILLSBOROUGH COUNTY ...MANATEE COUNTY ...SARASOTA COUNTY IN SOUTHWESTERN FLORIDA ...CHARLOTTE COUNTY ...LEE COUNTY DOPPLER RADAR CONTINUES TO INDICATE WIDESPREAD LIGHT TO MODERATE RAIN OVER WEST CENTRAL FLORIDA WITH WIDELY SCATTERED EMBEDDED SHOWERS. RAIN AND SHOWERS WERE MOVING NORTH AT 20 TO 30 MPH. RAINFALL RATES OF 1 INCH PER HOUR ARE OCCURRING OVER PORTIONS OF THE WARNED AREA...BASED ON DOPPLER RADAR AND SATELLITE ESTIMATES. ABUNDANT MOISTURE AND INSTABILITY WILL COMBINE TO PRODUCE ADDITIONAL SHOWERS...AND POSSIBLY THUNDERSTORMS...DURING THE NEXT FEW HOURS OVER THE WARNED AREA. SINCE 800 AM EDT THIS MORNING...SIGNIFICANT FLOODING HAS OCCURRED IN HILLSBOROUGH COUNTY IN THE TOWNS OF CLAIRMEL...BRANDON...AND RUSKIN...AND IN MANATEE COUNTY IN PALMETTO. AN ADDITIONAL 3 TO 5 INCHES OF RAINFALL IS EXPECTED TODAY OVER THE WARNED AREA AND WILL EXACERBATE THE CURRENT FLOODING PROBLEM. A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKzS SHOULD TAKE IMMEDIATE ACTION. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS BY FOOT OR BY AUTO. PERSONS WITH LIVESTOCK OR PROPERTY IN LOW LYING AREAS SHOULD TAKE IMMEDIATE ACTION TO PROTECT THEM FROM HIGH WATER.
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 26, 11:19 PM EDT | Flash Flood Warning | TBW | Hillsborough, Pinellas | 4 hr |
| Sep 27, 3:00 AM EDT | Flash Flood Warning | TBW | Hillsborough | 4 hr |
| Sep 27, 3:11 AM EDT | Flash Flood Warning | TBW | Hillsborough | 4 hr |
| Sep 27, 5:55 AM EDT | Flash Flood Warning | TBW | Pasco | 4 hr |
| Sep 27, 7:17 AM EDT | Flash Flood Warning | TBW | Hillsborough, Manatee, Pinellas | 4 hr |
| Sep 27, 7:17 AM EDT | Flash Flood Warning | TBW | Charlotte, Lee | 4 hr |
| Sep 27, 11:26 AM EDT | Flash Flood Warning | TBW | Charlotte, Lee | 3 hr |
| Sep 27, 11:26 AM EDT | Flash Flood Warning | TBW | Sarasota | 3 hr |
| Sep 27, 12:51 PM EDT | Flash Flood Warning | TBW | Pasco, Polk | 3 hr |
| Sep 27, 2:10 PM EDT | Flash Flood Warning | TBW | Hillsborough, Pasco | 4 hr |
Nearby
Flash Flood Warnings in Florida, 1997Every flash flood 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; the sounding from the Mesonet's radiosonde archive.