Alert archive / Florida / Tornado Watches in 1998
Tornado Watch 22
The Storm Prediction Center issued this tornado watch at Feb 2, 1998, 8:00 PM EST for 25 counties in Florida. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 2, 1998, 8:00 PM EST (01:00 UTC)
- Expired
- Feb 3, 1998, 2:00 AM EST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 25 counties
Broward County, FL, Charlotte County, FL, Citrus County, FL, Collier County, FL, DeSoto County, FL, Glades County, FL, Hardee County, FL, Hendry County, FL, Hernando County, FL, Highlands County, FL, Hillsborough County, FL, Indian River County, FL, Lee County, FL, Manatee County, FL, Martin County, FL, Miami-Dade County, FL, Monroe County, FL, Okeechobee County, FL, Osceola County, FL, Palm Beach County, FL, Pasco County, FL, Polk County, FL, Saint Lucie County, FL, Sarasota County, FL, Sumter County, FL
The radar
The Tampa radar (KTBW), 81 km from the middle of the area, began a volume at 01:04 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.
Warnings issued inside it
10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 2, 8:12 PM EST | Severe Thunderstorm Warning | MFL | Broward | 63 min |
| Feb 2, 8:29 PM EST | Tornado Warning | MFL | Broward, Miami-Dade | 61 min |
| Feb 2, 8:31 PM EST | Severe Thunderstorm Warning | MFL | Monroe | 59 min |
| Feb 2, 8:37 PM EST | Tornado Warning | TBW | Hillsborough, Pasco | 48 min |
| Feb 2, 8:52 PM EST | Severe Thunderstorm Warning | MFL | Palm Beach | 63 min |
| Feb 2, 9:48 PM EST | Tornado Warning | MLB | Okeechobee | 57 min |
| Feb 2, 10:18 PM EST | Tornado Warning | MFL | Palm Beach | 62 min |
| Feb 2, 10:39 PM EST | Severe Thunderstorm Warning | MLB | Martin, Saint Lucie | 66 min |
| Feb 2, 10:52 PM EST | Severe Thunderstorm Warning | MLB | Indian River | 63 min |
| Feb 2, 11:06 PM EST | Tornado Warning | MLB | Saint Lucie | 34 min |
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 00:00Z, 1.0 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
- 62 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 537 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 228 m²/s²
- 0-3 km storm-relative helicity
- 592 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
515 WWUS9 KMKC 030022 SEL2 MKC WW 030022 FLZ000-030700- BULLETIN - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 22 STORM PREDICTION CENTER NORMAN OK 722 PM EST MON FEB 2 1998 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF CENTRAL AND SOUTHERN FLORIDA AND ADJACENT COASTAL WATERS EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 800 PM UNTIL 200 AM EST. THIS IS A PARTICULARLY DANGEROUS SITUATION WITH THE POSSIBILITY OF VERY DAMAGING TORNADOES. ALSO...LARGE HAIL TO 1 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 110 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 15 MILES SOUTH SOUTHWEST OF SAINT PETERSBURG FLORIDA TO 20 MILES NORTHEAST OF MIAMI 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 21. WATCH NUMBER 21 WILL NOT BE IN EFFECT AFTER 800 PM EST. DISCUSSION...HIGHLY FAVORABLE SHEAR PROFILES REMAIN IN PLACE ACROSS FL PENINSULA AS AREA OF SEVERE THUNDERSTORMS MOVE ONSHORE. WITH SURFACE LOW REMAINING JUST OFFSHORE W FL...VERY STRONG WINDS AT ALL LEVELS WILL MAINTAIN SUPERCELL AND TORNADO THREAT AS STORMS ACROSS PENINSULA NEXT SEVERAL HOURS. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 23040. ...HALES 291,0824 273,0800 242,0800 260,0824
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; radar from the NEXRAD Level II archive.