Alert archive / Florida / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 194, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Jul 20, 2000, 2:46 PM EDT for Hamilton County, Florida. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 20, 2000, 2:46 PM EDT (18:46 UTC)
- Expired
- Jul 20, 2000, 3:15 PM EDT
- In force
- 29 min
- Issued by
- NWS Jacksonville, FL
- Area
- Whole counties
County Hamilton County, FL
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 6.8 hours before the alert went out and 120 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
- 1777 J/kg
- Mixed-layer CIN
- -116 J/kg
- Mixed-layer LCL
- 1377 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 137 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.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Jacksonville, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 20, 10:45 AM EDT, 4 hours 1 minute earlier.
Area forecast discussion, Jul 20, 10:45 AM EDT, 4 hours 1 minute before
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</html>The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 3:11 PM EDT | Severe Thunderstorm Warning | JAX | Saint Johns | 49 min |
| Jul 20, 3:21 PM EDT | Severe Thunderstorm Warning | JAX | Suwannee | 39 min |
| Jul 20, 4:07 PM EDT | Severe Thunderstorm Warning | JAX | Suwannee | 38 min |
| Jul 20, 4:12 PM EDT | Severe Thunderstorm Warning | JAX | Alachua, Gilchrist | 33 min |
| Jul 20, 4:20 PM EDT | Tornado Warning | JAX | Suwannee | 25 min |
| Jul 20, 4:31 PM EDT | Severe Thunderstorm Warning | JAX | Saint Johns | 29 min |
| Jul 20, 4:43 PM EDT | Severe Thunderstorm Warning | JAX | Alachua | 47 min |
| Jul 20, 4:54 PM EDT | Severe Thunderstorm Warning | JAX | Clay, Putnam | 51 min |
| Jul 20, 4:58 PM EDT | Severe Thunderstorm Warning | JAX | Columbia | 47 min |
| Jul 20, 5:21 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Bradford | 39 min |
| Jul 20, 5:45 PM EDT | Severe Thunderstorm Warning | JAX | Putnam | 30 min |
| Jul 20, 5:58 PM EDT | Severe Thunderstorm Warning | JAX | Clay | 47 min |
| Jul 20, 6:03 PM EDT | Severe Thunderstorm Warning | JAX | Flagler | 27 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2000Every severe thunderstorm warning in 2000
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.