Alert archive / Florida / Tornado Watches in 1998
Tornado Watch 36
The Storm Prediction Center issued this tornado watch at Feb 16, 1998, 1:00 PM EST for 19 counties in Florida. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 16, 1998, 1:00 PM EST (18:00 UTC)
- Expired
- Feb 16, 1998, 6:00 PM EST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
Counties Brevard County, FL, Citrus County, FL, Flagler County, FL, Hardee County, FL, Hernando County, FL, Hillsborough County, FL, Lake County, FL, Manatee County, FL, Marion County, FL, Orange County, FL, Osceola County, FL, Pasco County, FL, Pinellas County, FL, Polk County, FL, Putnam County, FL, Sarasota County, FL, Seminole County, FL, Sumter County, FL, Volusia County, FL
Warnings issued inside it
15 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 16, 1:12 PM EST | Tornado Warning | TBW | Hillsborough | 48 min |
| Feb 16, 1:18 PM EST | Severe Thunderstorm Warning | TBW | Manatee | 47 min |
| Feb 16, 1:47 PM EST | Severe Thunderstorm Warning | TBW | Hillsborough | 48 min |
| Feb 16, 2:25 PM EST | Tornado Warning | TBW | Polk | 50 min |
| Feb 16, 2:38 PM EST | Severe Thunderstorm Warning | TBW | Polk | 32 min |
| Feb 16, 2:44 PM EST | Severe Thunderstorm Warning | MLB | Lake, Orange | 66 min |
| Feb 16, 2:49 PM EST | Tornado Warning | MLB | Osceola | 61 min |
| Feb 16, 3:02 PM EST | Tornado Warning | MLB | Orange, Seminole | 48 min |
| Feb 16, 3:10 PM EST | Tornado Warning | MLB | Lake | 60 min |
| Feb 16, 3:11 PM EST | Severe Thunderstorm Warning | TBW | Polk | 49 min |
| Feb 16, 3:15 PM EST | Tornado Warning | MLB | Volusia | 60 min |
| Feb 16, 3:29 PM EST | Tornado Warning | JAX | Flagler | 71 min |
| Feb 16, 3:46 PM EST | Tornado Warning | MLB | Orange, Seminole | 59 min |
| Feb 16, 4:22 PM EST | Tornado Warning | MLB | Brevard | 43 min |
| Feb 16, 4:25 PM EST | Tornado Warning | MLB | Volusia | 65 min |
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 6.0 hours before the alert went out and 91 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
- 368 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 517 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 456 m²/s²
- 0-3 km storm-relative helicity
- 609 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 5.1
The text
As transmitted, in the capitals the NWS used until 2016.
206 WWUS9 KMKC 161719 SEL6 MKC WW 161719 FLZ000-162300- BULLETIN - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 36 STORM PREDICTION CENTER NORMAN OK 1219 PM EST MON FEB 16 1998 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF CENTRAL AND NORTHERN FLORIDA PENINSULA AND ADJACENT COASTAL WATERS EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 100 PM UNTIL 600 PM EST. TORNADOES...HAIL TO 1 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 80 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 30 MILES SOUTHWEST OF SAINT PETERSBURG FLORIDA TO 25 MILES EAST OF DAYTONA BEACH FLORIDA. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO WATCH NUMBER 35. WATCH NUMBER 35 WILL NOT BE IN EFFECT AFTER 100 PM EST. DISCUSSION...FAVORABLE SHEAR PROFILES FOR SUPERCELLS EXPECTED TO REMAIN IN PLACE ACROSS FL PENINSULA REMAINDER OF AFTERNOON. WITH MODERATE INSTABILITY IN SOUTHERLY FLOW...ISOLATED TORNADOES ARE LIKELY WITH STORMS AS THEY MOVE ACROSS PENINSULA. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 23040. ...HALES 284,0830 302,0803 280,0803 262,0830
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 16, 8:30 AM EST | Tornado Watch | SPC | Alachua, Citrus, Dixie, Hernando, Hillsborough, Levy and 4 more | 5 hr |
| Feb 16, 1:15 PM EST | Tornado Watch | SPC | Calhoun, Escambia, Holmes, Jackson, Okaloosa, Santa Rosa and 2 more | 6 hr |
| Feb 16, 6:15 PM EST | Tornado Watch | SPC | Alachua, Baker, Bradford, Citrus, Clay, Columbia and 18 more | 7 hr |
Nearby
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.