Alert archive / Florida / Tornado Warnings in 2001

Tornado Warning 53, NWS Jacksonville, FL

September 14, 2001Putnam County, Florida

NWS Jacksonville, FL issued this tornado warning at Sep 14, 2001, 6:56 PM EDT for Putnam County, Florida. It was in force for 49 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, 6:56 PM EDT (22:56 UTC)
Expired: Sep 14, 2001, 7:45 PM EDT
In force: 49 min
Issued by: NWS Jacksonville, FL
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Putnam County, FL

The radar

The Jacksonville radar (KJAX), 109 km from the middle of the area, began a volume at 22:56 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, 10.9 hours before the alert went out and 111 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: 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

Open this sounding in Storm Lab

The text

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

501 
WFUS52 KJAX 142256
TORJAX
FLC107-142345-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
656 PM EDT FRI SEP 14 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL PUTNAM COUNTY IN NORTHEAST FLORIDA
  THIS INCLUDES...EAST PALATKA

* UNTIL 745 PM EDT

* AT 654 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A   
  DEVELOPING TORNADO 8 MILES NORTHEAST OF POMONA PARK...OR ABOUT 4   
  MILES NORTH OF ANDALUSIA...MOVING WEST AT 20 MPH.

* SOME LOCATIONS NEAR THE PATH OF THE STORM THROUGH 745 PM EDT...    
  EAST PALATKA...

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

LAT...LON 2946 8150 2949 8153 2964 8153 2966 8168
          2943 8167 2943 8156

$$

PETERSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 14, 11:31 AM EDT	Tornado Warning	JAX	Saint Johns	44 min
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

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; radar from the NEXRAD Level II archive.