Alert archive / Florida / Tornado Warnings in 2000

Tornado Warning 37, NWS Jacksonville, FL

July 7, 2000Alachua County, Florida

NWS Jacksonville, FL issued this tornado warning at Jul 7, 2000, 7:33 PM EDT for Alachua County, Florida. It was in force for 12 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
Jul 7, 2000, 7:33 PM EDT (23:33 UTC)
Expired
Jul 7, 2000, 7:45 PM EDT
In force
12 min
Issued by
NWS Jacksonville, FL
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Alachua County, FL

The radar

The Jacksonville radar (KJAX), 124 km from the middle of the area, began a volume at 23:32 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, 11.6 hours before the alert went out and 125 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 2000-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 957 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 12:00Z on 2000-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 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
957 J/kg
Mixed-layer CIN
-130 J/kg
Mixed-layer LCL
1372 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
11 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 072334
TORJAX
FLC001-072345-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
733 PM EDT FRI JUL 7 2000

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN ALACHUA COUNTY IN NORTHERN FLORIDA

* UNTIL 745 PM EDT

* AT 726 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 7 MILES SOUTH OF ALACHUA...OR ABOUT 9 MILES WEST
  OF GAINESVILLE...MOVING SOUTHWEST AT 15 MPH.

* THE TORNADO WILL BE NEAR...
  NEWBERRY AND ALACHUA THROUGH 735 PM EDT...

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 2954 8245 2978 8247 2979 8266 2954 8265

$$

SANDRIK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 4:14 PM EDTSevere Thunderstorm WarningJAXFlagler46 min
Jul 7, 5:27 PM EDTSevere Thunderstorm WarningJAXMarion48 min
Jul 7, 6:21 PM EDTSevere Thunderstorm WarningJAXAlachua, Marion, Putnam39 min
Jul 7, 6:43 PM EDTTornado WarningJAXAlachua, Putnam32 min
Jul 7, 7:00 PM EDTSevere Thunderstorm WarningJAXAlachua45 min
Jul 7, 7:16 PM EDTSevere Thunderstorm WarningJAXMarion44 min
Jul 7, 7:38 PM EDTSevere Thunderstorm WarningJAXGilchrist52 min

Nearby

Tornado Warnings in Florida, 2000Every tornado warning in 2000Tornadoes in 2000

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.