Alert archive / Florida / Tornado Warnings in 2000

Tornado Warning 39, NWS Jacksonville, FL

July 16, 2000Alachua County, Florida

NWS Jacksonville, FL issued this tornado warning at Jul 16, 2000, 2:56 PM EDT for Alachua County, Florida. It was in force for 34 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 16, 2000, 2:56 PM EDT (18:56 UTC)
Expired
Jul 16, 2000, 3:30 PM EDT
In force
34 min
Issued by
NWS Jacksonville, FL
Area
Whole counties

County Alachua County, FL

The radar

The Jacksonville radar (KJAX), 110 km from the middle of the area, began a volume at 18:59 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.

What was reported inside it

TimeReportWhereRemark
Jul 16, 3:06 PM EDTHail 0.75Gainesville, FL

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 6.9 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-pSkew-T log-p diagram, Jacksonville, FL at 12:00Z on 2000-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 187 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 2000-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 square meters per square second.193958Sfc1 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
187 J/kg
Mixed-layer CIN
-197 J/kg
Mixed-layer LCL
2013 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
127 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 161856
TORJAX

FLC001-161930-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
256 PM EDT SUN JUL 16 2000

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A

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

* UNTIL 330 PM EDT

* AT 249 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 15 MILES
  NORTHWEST OF ORANGE HEIGHTS...OR ABOUT 9 MILES SOUTHEAST OF
  WORTHINGTON SPRINGS...MOVING EAST AT 25 MPH.

THIS IS A EXTREMELY DANGEROUS AND POTENTIALLY LIFE THREATENING
TORNADO. EVACUATE MOBILE HOMES AND GO TO A STURDY BUILDING. IN A
STURDY BUILDI-NG 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.


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 10:33 AM EDTSevere Thunderstorm WarningJAXBaker, Columbia42 min
Jul 16, 12:22 PM EDTSevere Thunderstorm WarningJAXSaint Johns23 min
Jul 16, 12:32 PM EDTSevere Thunderstorm WarningJAXBaker, Columbia, Union43 min
Jul 16, 12:44 PM EDTTornado WarningJAXUnion31 min
Jul 16, 1:19 PM EDTSevere Thunderstorm WarningJAXBradford41 min
Jul 16, 1:32 PM EDTSevere Thunderstorm WarningJAXAlachua43 min
Jul 16, 1:50 PM EDTSevere Thunderstorm WarningJAXColumbia25 min
Jul 16, 2:00 PM EDTSevere Thunderstorm WarningJAXUnion30 min
Jul 16, 2:15 PM EDTSevere Thunderstorm WarningJAXAlachua45 min
Jul 16, 2:30 PM EDTSevere Thunderstorm WarningJAXUnion45 min
Jul 16, 2:48 PM EDTSevere Thunderstorm WarningJAXBradford42 min
Jul 16, 3:28 PM EDTSevere Thunderstorm WarningJAXAlachua47 min
Jul 16, 3:56 PM EDTSevere Thunderstorm WarningJAXSuwannee49 min
Jul 16, 4:21 PM EDTSevere Thunderstorm WarningJAXColumbia, Hamilton24 min
Jul 16, 4:54 PM EDTTornado WarningJAXColumbia, Union36 min
Jul 16, 5:31 PM EDTSevere Thunderstorm WarningJAXColumbia, Union44 min
Jul 16, 6:13 PM EDTSevere Thunderstorm WarningJAXAlachua47 min
Jul 16, 6:28 PM EDTSevere Thunderstorm WarningJAXGilchrist32 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.