Alert archive / Florida / Tornado Warnings in 2001

Tornado Warning 37, NWS Jacksonville, FL

August 5, 2001Clay County, Duval County, Florida

NWS Jacksonville, FL issued this tornado warning at Aug 5, 2001, 2:55 PM EDT for Clay County, Duval County, Florida. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 5, 2001, 2:55 PM EDT (18:55 UTC)
Expired
Aug 5, 2001, 3:45 PM EDT
In force
50 min
Issued by
NWS Jacksonville, FL
Area
Whole counties

Counties Clay County, FL, Duval County, FL

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 6.9 hours before the alert went out and 38 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-pSkew-T log-p diagram, Jacksonville, FL at 12:00Z on 2001-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1203 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 12:00Z on 2001-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -22 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1203 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
644 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-22 m²/s²
0-3 km storm-relative helicity
-49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KJAX 051856
TORJAX

FLC019-031-051945-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
255 PM EDT SUN AUG 5 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  CLAY COUNTY IN NORTHEAST FLORIDA
  SOUTHWESTERN DUVAL COUNTY IN NORTHEAST FLORIDA

* UNTIL 345 PM EDT

* AT 253 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A   
  DEVELOPING TORNADO 10 MILES NORTHWEST OF MIDDLEBURG MOVING NORTH 
  AT 10 MPH.

* SOME LOCATIONS NEAR THE PATH OF THE STORM THROUGH 345 PM EDT...  
  MAXVILLE...

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


$$

PETERSON

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.