Alert archive / Florida / Tornado Warnings in 2001

Tornado Warning 2, NWS Jacksonville, FL

March 13, 2001Columbia County, Hamilton County, Florida

NWS Jacksonville, FL issued this tornado warning at Mar 13, 2001, 2:13 AM EST for Columbia County, Hamilton County, Florida. It was in force for 47 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: Mar 13, 2001, 2:13 AM EST (07:13 UTC)
Expired: Mar 13, 2001, 3:00 AM EST
In force: 47 min
Issued by: NWS Jacksonville, FL
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Columbia County, FL, Hamilton County, FL

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 7.2 hours before the alert went out and 93 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 369 J/kg
Mixed-layer CIN: -99 J/kg
Mixed-layer LCL: 1304 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 139 m²/s²
0-3 km storm-relative helicity: 205 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS52 KJAX 130713
TORJAX
FLC023-047-130800-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
213 AM EST TUE MAR 13 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL COLUMBIA COUNTY IN NORTHERN FLORIDA
  SOUTHEASTERN HAMILTON COUNTY IN NORTHERN FLORIDA

* UNTIL 300 AM EST

* AT 211 AM EST NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 7 MILES EAST OF BELMONT...OR ABOUT 13 MILES
  NORTHEAST OF WHITE SPRINGS...MOVING EAST AT 65 MPH.

* THE TORNADO WILL BE NEAR...
  BELMONT BY 215 AM EST...

THIS IS A EXTREMELY DANGEROUS AND POTENTIALLY LIFE THREATENING
TORNADO. EVACUATE MOBILE HOMES AND GO TO A STURDY BUILDING. IN A
STURDY BUILDING MOVE TO A PLACE OF SAFETY...AWAY FROM WINDOWS...IN AN
INTERIOR ROOM ON THE LOWEST FLOOR IF YOU ARE IN THE PATH OF THIS
TORNADO.

LAT...LON 3052 8278 3036 8268 3047 8251 3059 8259

$$

The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 13, 2:59 AM EST	Severe Thunderstorm Warning	JAX	Baker, Columbia	46 min
Mar 13, 2:59 AM EST	Severe Thunderstorm Warning	JAX	Hamilton	46 min
Mar 13, 3:14 AM EST	Severe Thunderstorm Warning	JAX	Nassau	46 min
Mar 13, 4:12 AM EST	Severe Thunderstorm Warning	JAX	Baker	48 min
Mar 13, 4:42 AM EST	Severe Thunderstorm Warning	JAX	Nassau	48 min
Mar 13, 6:20 AM EST	Severe Thunderstorm Warning	JAX	Putnam, Saint Johns	40 min
Mar 13, 6:41 AM EST	Tornado Warning	JAX	Putnam, Saint Johns	49 min
Mar 13, 8:27 AM EST	Tornado Warning	JAX	Marion	63 min
Mar 13, 8:45 AM EST	Severe Thunderstorm Warning	JAX	Flagler, Putnam, Saint Johns	45 min
Mar 13, 9:26 AM EST	Severe Thunderstorm Warning	JAX	Marion	49 min
Mar 13, 9:58 AM EST	Severe Thunderstorm Warning	JAX	Flagler	47 min

Nearby

Tornado Warnings in Florida, 2001 Every tornado warning in 2001 Tornadoes 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.