Alert archive / Florida / Tornado Warnings in 1998
Tornado Warning 24, NWS Miami, FL
NWS Miami, FL issued this tornado warning at Aug 3, 1998, 8:05 PM EDT for Glades County, Hendry County, Florida. It was in force for 45 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
- Aug 3, 1998, 8:05 PM EDT (00:05 UTC)
- Expired
- Aug 3, 1998, 8:50 PM EDT
- In force
- 45 min
- Issued by
- NWS Miami, FL
- Area
- Whole counties
Counties Glades County, FL, Hendry County, FL
The radar
The Miami radar (KAMX), 148 km from the middle of the area, began a volume at 00:04 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 3, 8:10 PM EDT | Tornado F0 | Clewiston, FL | F0 tornado was observed 10nm west of Clewiston very near Glades County line. |
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
Miami, FL (KMFL), launched 00:00Z, 0.1 hours before the alert went out and 137 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
- 1579 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 678 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
861 WFUS1 KMIA 040007 RRA TORMIA FLC043-051-040050- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MIAMI FL 805 PM EDT MON AUG 3 1998 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A * TORNADO WARNING FOR... NORTHEASTERN HENDRY COUNTY IN SOUTHERN FLORIDA SOUTHEASTERN GLADES COUNTY IN SOUTHERN FLORIDA * UNTIL 850 PM EDT * AT 754 PM...DOPPLER RADAR IN MIAMI HAS DETECTED A POSSIBLE TORNADO 10 MILES WEST OF CLEWISTON ALONG THE GLADES/HENDRY BORDER. THE STORM THAT WAS PRODUCING THIS POSSIBLE TORNADO WILL MOVE EAST AT 10 TO 15 MPH. DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO STURDY STRUCTURE IS NEARBY...SEEK SAFETY IN A DITCH OR LOW SPOT.
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 3:04 PM EDT | Severe Thunderstorm Warning | MFL | Miami-Dade | 46 min |
| Aug 4, 4:04 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Palm Beach | 61 min |
| Aug 4, 4:08 PM EDT | Severe Thunderstorm Warning | MFL | Collier | 62 min |
| Aug 4, 5:02 PM EDT | Severe Thunderstorm Warning | MFL | Broward | 58 min |
| Aug 4, 6:57 PM EDT | Severe Thunderstorm Warning | MFL | Glades | 63 min |
Nearby
Tornado Warnings in Florida, 1998Every tornado warning in 1998Tornadoes in 1998
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; radar from the NEXRAD Level II archive.