Alert archive / Florida / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 8, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Feb 2, 1998, 7:02 PM EST for Monroe County, Florida. It was in force for 58 min. 3 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, 7:02 PM EST (00:02 UTC)
- Expired
- Feb 2, 1998, 8:00 PM EST
- In force
- 58 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 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 |
|---|---|---|---|
| Feb 2, 7:10 PM EST | Tornado F0 | Islamorada, FL | Tornado moved from the south across Islamorada near MM 80. Extensive damage to homes and businesses. Widespread tree and vegetation loss. |
| Feb 2, 7:52 PM EST | Thunderstorm Wind 73 | Key Largo, FL | Recorded at C-MAN MLRF. |
| Feb 2, 8:00 PM EST | Thunderstorm Wind 104 | Long Key, FL | Recorded at C-MAN LONF1. Not reported in real time as primary sensor blew away and was found down the beach. |
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
Key West, FL (KEYW), launched 00:00Z, 0.0 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
- 234 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 670 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 2, 7:18 PM EST | Tornado Warning | MFL | Miami-Dade | 52 min |
| Feb 2, 7:23 PM EST | Tornado Warning | MFL | Monroe | 62 min |
| Feb 2, 7:34 PM EST | Tornado Warning | MFL | Miami-Dade | 61 min |
| 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, 8:52 PM EST | Severe Thunderstorm Warning | MFL | Palm Beach | 63 min |
| Feb 2, 10:18 PM EST | Tornado Warning | MFL | Palm Beach | 62 min |
Nearby
Severe Thunderstorm Warnings in Florida, 1998Every severe thunderstorm warning 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.