Alert archive / Florida / Tornado Warnings in 2001
Tornado Warning 33, NWS Jacksonville, FL
NWS Jacksonville, FL issued this tornado warning at Jun 12, 2001, 12:54 PM EDT for Duval County, Florida. It was in force for 51 min. No storm report in the archive falls 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.
The facts
- Issued
- Jun 12, 2001, 12:54 PM EDT (16:54 UTC)
- Expired
- Jun 12, 2001, 1:45 PM EDT
- In force
- 51 min
- Issued by
- NWS Jacksonville, FL
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Duval County, FL
The radar
The Jacksonville radar (KJAX), 30 km from the middle of the area, began a volume at 16:53 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.
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 4.9 hours before the alert went out and 32 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
- 1525 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 585 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 202 m²/s²
- 0-3 km storm-relative helicity
- 238 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 8.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS52 KJAX 121656 TORJAX FLC031-121745- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE JACKSONVILLE FL 1254 PM EDT TUE JUN 12 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * TORNADO WARNING FOR... SOUTHEASTERN DUVAL COUNTY IN NORTHEAST FLORIDA THIS INCLUDES...JACKSONVILLE BEACH...MANDARIN...MAYPORT...UNF... * UNTIL 145 PM EDT * AT 1243 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A DEVELOPING TORNADO 2 MILES SOUTHEAST OF MANDARIN...OR JUST NORTH OF FRUIT COVE...MOVING NORTHEAST AT 25 MPH. * SOME LOCATIONS NEAR THE PATH OF THE STORM THROUGH 145 PM EDT... MANDARIN... JACKSONVILLE BEACH AND NEPTUNE BEACH... MAYPORT... LAT...LON 3018 8167 3010 8167 3031 8125 3048 8146 $$ LETRO
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, 4:05 AM EDT | Tornado Warning | JAX | Hamilton, Suwannee | 40 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 |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.