Alert archive / Florida / Tornado Warnings in 1998
Tornado Warning 1, NWS Miami, FL
NWS Miami, FL issued this tornado warning at Feb 2, 1998, 3:32 PM EST for Monroe County, Florida. It was in force for 118 min. 5 reports 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
- Feb 2, 1998, 3:32 PM EST (20:32 UTC)
- Expired
- Feb 2, 1998, 5:30 PM EST
- In force
- 118 min
- Issued by
- NWS Miami, FL
- Area
- Whole counties
County Monroe County, FL
The radar
The Miami radar (KAMX), 51 km from the middle of the area, began a volume at 20:31 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 |
|---|---|---|---|
| Feb 2, 3:40 PM EST | Thunderstorm Wind 65 | Duck Key, FL | |
| Feb 2, 4:25 PM EST | Thunderstorm Wind 65 | Big Pine, FL | Two trees fell into house. |
| Feb 2, 5:25 PM EST | Thunderstorm Wind 71 | Duck Key, FL | Reported from Conch Key just north of Duck Key. |
| Feb 2, 5:35 PM EST | Thunderstorm Wind 61 | Marathon, FL | Recorded at C-MAN SMKF. |
| Feb 2, 5:40 PM EST | Thunderstorm Wind 85 | Duck Key, FL | Sustained wind 50 KTS at 1740 EST...Sustained 65 KTS at 1745...Gust to 85 KTS at 1750 EST. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 2, 2:00 PM EST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 8.5 hours before the alert went out and 69 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
- 121 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 715 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 176 m²/s²
- 0-3 km storm-relative helicity
- 279 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
150
WFUS1 KMIA 022033 RRA
TORMIA
AMZ654-674>676-FLC087-022230-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MIAMI FL
332 PM EST MON FEB 2 1998
THE NATIONAL WEATHER SERVICE IN MIAMI FL HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 530 PM EST
AND A SPECIAL MARINE WARNING EFFECTIVE UNTIL 530 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
IN SOUTHERN FLORIDA
...MARQUESAS KEYS TO DRY TORTUGAS
AND BOATERS ON
...GULF OF MEXICO AND FLORIDA STRAITS COASTAL WATERS FROM
KEY WEST TO DRY TORTUGAS OUT TO 20 TO 50 NM
...FLORIDA STRAITS COASTAL WATERS FROM KEY WEST TO THE DRY
TORTUGAS
...GULF OF MEXICO COASTAL WATERS FROM EAST CAPE SABLE TO BONITA
BEACH FROM 20 NM TO 50 NM
AT 325 PM EST... DOPPLER RADAR INDICATED A POSSIBLE TORNADO
APPROACHING THE MARQUESAS KEYS AND DRY TORTUGAS FIVE MILES TO
THE SOUTH MOVING NORTH NORTHWEST AT 30 KTS. THESE ARE
SEVERE THUNDERSTORMS WITH POSSIBLE ACCOMPANYING TORNADIC
WATERSPOUTS.
BOATERS SHOULD BE ALERT FOR WATERSPOUT ACTIVITY. TAKE IMMEDIATE
EVASIVE ACTION IF THREATENED. THE BEST COURSE OF ACTION IS TO MOVE
AWAY FROM THE WATERSPOUT AT A 90 DEGREE ANGLE FROM ITS APPARENT
MOVEMENT.The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 2, 3:51 PM EST | Tornado Warning | MFL | Monroe | 119 min |
| Feb 2, 4:16 PM EST | Severe Thunderstorm Warning | MFL | Monroe | 59 min |
| Feb 2, 4:54 PM EST | Severe Thunderstorm Warning | MFL | Collier, Monroe | 91 min |
| Feb 2, 5:27 PM EST | Severe Thunderstorm Warning | MFL | Monroe | 93 min |
| Feb 2, 5:38 PM EST | Severe Thunderstorm Warning | MFL | Miami-Dade | 57 min |
| Feb 2, 6:00 PM EST | Tornado Warning | MFL | Monroe | 65 min |
| Feb 2, 6:19 PM EST | Severe Thunderstorm Warning | MFL | Broward | 61 min |
| Feb 2, 6:25 PM EST | Severe Thunderstorm Warning | MFL | Collier, Monroe | 95 min |
| Feb 2, 6:39 PM EST | Severe Thunderstorm Warning | MFL | Miami-Dade | 61 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.