Alert archive / Florida / Tornado Warnings in 2001
Tornado Warning 45, NWS Jacksonville, FL
NWS Jacksonville, FL issued this tornado warning at Sep 14, 2001, 11:31 AM EDT for Saint Johns County, Florida. It was in force for 44 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
- Sep 14, 2001, 11:31 AM EDT (15:31 UTC)
- Expired
- Sep 14, 2001, 12:15 PM EDT
- In force
- 44 min
- Issued by
- NWS Jacksonville, FL
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Saint Johns County, FL
The radar
The Jacksonville radar (KJAX), 68 km from the middle of the area, began a volume at 15:33 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 14, 11:00 AM EDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 3.5 hours before the alert went out and 69 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
- 256 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 567 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -81 m²/s²
- 0-3 km storm-relative helicity
- -108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.4
The text
As transmitted, in the capitals the NWS used until 2016.
422 WFUS52 KJAX 141533 TORJAX FLC109-141615- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE JACKSONVILLE FL 1131 AM EDT FRI SEP 14 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * TORNADO WARNING FOR... NORTH COASTAL ST. JOHNS COUNTY IN NORTHEAST FLORIDA * UNTIL 1215 PM EDT * AT 1128 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A DEVELOPING TORNADO 5 MILES EAST OF SOUTH PONTE VEDRA BEACH...OR ABOUT 8 MILES NORTHEAST OF ST. AUGUSTINE...MOVING SOUTHWEST AT 15 MPH. * SOME LOCATIONS NEAR THE PATH OF THE STORM THROUGH 1215 PM EDT... SOUTH PONTE VEDRA BEACH...VILANO BEACH... REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT...OR YOU CAN CALL THE NATIONAL WEATHER SERVICE DIRECTLY AT 904-741-4370 TO REPORT SEVERE WEATHER. LAT...LON 3000 8138 2988 8123 3018 8082 3035 8102 $$ WELSH
The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 14, 12:29 PM EDT | Tornado Warning | JAX | Flagler, Saint Johns | 46 min |
| Sep 14, 1:04 PM EDT | Tornado Warning | JAX | Flagler | 41 min |
| Sep 14, 1:50 PM EDT | Tornado Warning | JAX | Flagler, Saint Johns | 25 min |
| Sep 14, 2:31 PM EDT | Tornado Warning | JAX | Saint Johns | 14 min |
| Sep 14, 5:19 PM EDT | Tornado Warning | JAX | Putnam | 26 min |
| Sep 14, 5:39 PM EDT | Tornado Warning | JAX | Saint Johns | 51 min |
| Sep 14, 6:33 PM EDT | Tornado Warning | JAX | Flagler | 42 min |
| Sep 14, 6:56 PM EDT | Tornado Warning | JAX | Putnam | 49 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.