Alert archive / Florida / Tornado Warnings in 2001
Tornado Warning 28, NWS Jacksonville, FL
NWS Jacksonville, FL issued this tornado warning at Jun 12, 2001, 4:05 AM EDT for Hamilton County, Suwannee County, Florida. It was in force for 40 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Jun 12, 2001, 4:05 AM EDT (08:05 UTC)
- Expired
- Jun 12, 2001, 4:45 AM EDT
- In force
- 40 min
- Issued by
- NWS Jacksonville, FL
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Hamilton County, FL, Suwannee County, FL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 12, 4:44 AM EDT | Thunderstorm Wind | Suwannee Spgs, FL | Large trees and power lines were blown down. |
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
Jacksonville, FL (KJAX), launched 00:00Z, 8.1 hours before the alert went out and 127 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
- 483 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 869 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS52 KJAX 120805 TORJAX FLC047-121-120845- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE JACKSONVILLE FL 405 AM EDT TUE JUN 12 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * TORNADO WARNING FOR... CENTRAL HAMILTON COUNTY IN NORTHERN FLORIDA THIS INCLUDES JASPER... NORTH CENTRAL SUWANNEE COUNTY IN NORTHERN FLORIDA THIS INCLUDES SUWANNEE SPRINGS... * UNTIL 445 AM EDT * AT 358 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A DEVELOPING TORNADO 7 MILES WEST OF SUWANNEE SPRINGS...OR ABOUT 7 MILES EAST OF SUWANNEE RIVER STATE PARK...MOVING NORTHEAST AT 20 MPH. * SOME LOCATIONS NEAR THE PATH OF THE STORM THROUGH 445 AM EDT... SUWANNEE SPRINGS... JASPER... THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 60 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER. LAT...LON 3042 8318 3029 8304 3049 8280 3060 8294 $$ JOHNSON
The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 9:04 PM EDT | Tornado Warning | JAX | Union | 26 min |
| Jun 11, 11:07 PM EDT | Tornado Warning | JAX | Columbia, Hamilton | 38 min |
| Jun 12, 2:04 AM EDT | Tornado Warning | JAX | Hamilton | 41 min |
| Jun 12, 3:41 AM EDT | Severe Thunderstorm Warning | JAX | Hamilton | 49 min |
| Jun 12, 6:23 AM EDT | Tornado Warning | JAX | Columbia, Hamilton | 52 min |
| Jun 12, 12:12 PM EDT | Severe Thunderstorm Warning | JAX | Clay, Duval | 48 min |
| Jun 12, 12:37 PM EDT | Severe Thunderstorm Warning | JAX | Clay, Saint Johns | 38 min |
| Jun 12, 12:54 PM EDT | Tornado Warning | JAX | Duval | 51 min |
Nearby
Tornado Warnings in Florida, 2001Every tornado warning in 2001Tornadoes in 2001
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.