Alert archive / Florida / Tornado Warnings in 1989
Tornado Warning 1, NWS Jacksonville, FL
NWS Jacksonville, FL issued this tornado warning at Feb 21, 1989, 3:12 PM EST for Putnam County, Florida. It was in force for 48 min.
The area
The counties it named.
The facts
- Issued
- Feb 21, 1989, 3:12 PM EST (20:12 UTC)
- Expired
- Feb 21, 1989, 4:00 PM EST
- In force
- 48 min
- Issued by
- NWS Jacksonville, FL
- Area
- Whole counties
County Putnam County, FL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Jacksonville, FL (KAYS), launched 12:00Z, 8.2 hours before the alert went out and 99 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
- 770 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 809 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 187 m²/s²
- 0-3 km storm-relative helicity
- 183 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.5
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 Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 4:17 PM EST | Severe Thunderstorm Warning | JAX | Duval, Nassau | 43 min |
| Feb 21, 2:33 PM EST | Severe Thunderstorm Warning | JAX | Camden | 42 min |
Nearby
Tornado Warnings in Florida, 1989Every tornado warning in 1989Tornadoes in 1989
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.