Alert archive / Florida / Tornado Warnings in 2001

Tornado Warning 50, NWS Jacksonville, FL

September 14, 2001Putnam County, Florida

NWS Jacksonville, FL issued this tornado warning at Sep 14, 2001, 5:19 PM EDT for Putnam County, Florida. It was in force for 26 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, 5:19 PM EDT (21:19 UTC)
Expired: Sep 14, 2001, 5:45 PM EDT
In force: 26 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), 94 km from the middle of the area, began a volume at 21:20 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, 9.3 hours before the alert went out and 95 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.

441 
WFUS52 KJAX 142119
TORJAX
FLC107-142145-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN PUTNAM COUNTY IN NORTHEAST FLORIDA
  THIS INCLUDES INTERLACHEN...

* UNTIL 545 PM EDT

* AT 518 PM EDT PUBLIC REPORTED A TORNADO NEAR GRANDIN               
  MOVING WEST AT 20 MPH.

* SOME LOCATIONS NEAR THE PATH OF THE STORM THROUGH 545 PM EDT...    
  FLORAHOME...

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 2957 8201 2963 8184 2979 8188 2974 8195
          2972 8204

$$

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, 5:39 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, 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.