Alert archive / Florida / Tornado Warnings in 1999
Tornado Warning 16, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this tornado warning at Jul 9, 1999, 3:11 PM EDT for Manatee County, Florida. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 9, 1999, 3:11 PM EDT (19:11 UTC)
- Expired
- Jul 9, 1999, 3:45 PM EDT
- In force
- 34 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Whole counties
County Manatee County, FL
The radar
The Tampa radar (KTBW), 26 km from the middle of the area, began a volume at 19:14 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.
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 7.2 hours before the alert went out and 26 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
- 725 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 1121 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMLB 091912 RRA TORTBW FLC081-091945- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL ISSUED BY NATIONAL WEATHER SERVICE MELBOURNE FL 311 PM EDT FRI JUL 9 1999 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * TORNADO WARNING FOR... MANATEE COUNTY IN WEST CENTRAL FLORIDA * UNTIL 345 PM EDT * AT 310 PM...A TORNADO WAS REPORTED BY SKYWARN SPOTTERS NEAR LAKE MANATEE MOVING NORTHEAST AT 10 TO 15 MPH.. * SOME LOCATIONS AFFECTED WILL BE MYAKKA CITY... THIS IS A DANGEROUS SITUATION. PERSONS IN THE PATH OF THE STORM NEED TO TAKE COVER IN A STURDY BUILDING. MOBILE HOMES AND CARS ARE NOT SAFE. JP/PB
What forecasters said that day
The local office's own words before this tornado 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 tornado warning went out at Jul 9, 2:15 PM EDT, 56 minutes earlier.
Area forecast discussion, Jul 9, 2:15 PM EDT, 56 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY-RUSKIN, FL 215 PM EDT FRI JUL 9 1999 SEVERE WEATHER ON THE INCREASE WITH AN IMPRESSIVE WATERSPOUT IN CLEARWATER HARBOR AROUND 100 PM AND EXPLOSIVE THUNDERSTORM DEVELOPMENT CONTINUING. COMPLEX IN THE GULF HAS PRODUCED AN OUTFLOW WHICH HAS MADE A DEFINITE TURN TO THE EAST/NORTHEAST. TSRA FROM THE OUTFLOW WILL MAKE LAND IN ABOUT 10 MINUTES AND WILL INTERACT WITH WCSB. HAVENT HAD MUCH TIME TO LOOK AT MODELS BUT FROM WHAT I DID SEE INDICATES SOME DRYING/SUBSIDENCE OVER SOUTHERN HALF OF CWA ON SAT WITH CONSIDERABLE MOISTURE REMAINING IN THE NORTH. THINK FMY AREA WILL BE HOT WITH LIMITED PRECIP ON SAT WHILE NORTHERN AREAS WILL HAVE ENHANCED AFTERNOON PRECIP ALONG THE SEABREEZE. SUN LOOKS TO BE SIMILIAR...ALTHOUGH INLAND AREAS SHOULD BE FAVORED AS SOUTHWEST WINDS PICK UP. MARINE...NUMEROUS TSRA AND GUSTY WINDS WILL CHURN UP SEAS THROUGH TONIGHT...WITH SLOWLY SUBSIDING CONDITIONS ON SAT. EXPECT 10 TO 15KT WITH GUSTS TO 30 AND 4 TO 5 FT SEAS TONIGHT. SUN LOOKS TO BE FAIRLY LIGHT AND QUIET. FMY 76/94/77/94 1212 TPA 76/91/76/92 3323 67/GARRARD
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 12:55 PM EDT | Tornado Warning | TBW | Pinellas | 35 min |
| Jul 9, 1:37 PM EDT | Severe Thunderstorm Warning | TBW | Pinellas | 33 min |
| Jul 9, 2:11 PM EDT | Severe Thunderstorm Warning | TBW | Pinellas | 34 min |
| Jul 9, 2:16 PM EDT | Severe Thunderstorm Warning | TBW | Manatee | 49 min |
| Jul 9, 2:31 PM EDT | Severe Thunderstorm Warning | TBW | Hillsborough | 44 min |
| Jul 9, 2:32 PM EDT | Tornado Warning | TBW | Manatee | 28 min |
| Jul 9, 3:07 PM EDT | Severe Thunderstorm Warning | TBW | Hillsborough | 48 min |
Nearby
Tornado Warnings in Florida, 1999Every tornado warning in 1999Tornadoes in 1999
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; radar from the NEXRAD Level II archive.