Alert archive / Florida / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 114, NWS Jacksonville, FL

June 18, 2000Suwannee County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at Jun 18, 2000, 3:06 PM EDT for Suwannee County, Florida. It was in force for 39 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: Jun 18, 2000, 3:06 PM EDT (19:06 UTC)
Expired: Jun 18, 2000, 3:45 PM EDT
In force: 39 min
Issued by: NWS Jacksonville, FL
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Suwannee County, FL

What was reported inside it

Time	Report	Where	Remark
Jun 18, 3:10 PM EDT	Hail 0.88	Live Oak, 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 7.1 hours before the alert went out and 128 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: 575 J/kg
Mixed-layer CIN: -83 J/kg
Mixed-layer LCL: 998 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 7 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jacksonville, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 18, 2:55 PM EDT, 11 minutes earlier.

Area forecast discussion, Jun 18, 2:55 PM EDT, 11 minutes before

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In the hours before

Special weather statement, Jun 18, 11:30 AM EDT, 3 hours 36 minutes before

FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-182100-

NORTHEAST FLORIDA/SOUTHEAST GEORGIA HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1130 AM EDT SUN JUN 18 2000

SCATTERED SHOWERS AND THUNDERSTORMS ARE ANTICIPATED TO DEVELOP
ACROSS THE REGION THIS AFTERNOON AND EVENING. AS A RESULT OF THE
EAST AND WEST COAST SEABREEZES...MOST OF THE THE STRONGER ACTIVITY
WILL BE CONCENTRATED ALONG A STRETCH FROM GAINESVILLE AND OCALA IN
NORTHEAST FLORIDA NORTHWARD TO WAYCROSS IN SOUTHEAST GEORGIA. THE
STRONGEST STORMS WILL BE CAPABLE OF PRODUCING FREQUENT
LIGHTNING...GUSTY WINDS...LOCALLY HEAVY RAINFALL AND HAIL.

MOST STORMS ARE EXPECTED TO REMAIN BELOW SEVERE CRITERIA.
THUS...ACTIVATION OF STORM SPOTTERS IS NOT ANTICIPATED AT THIS TIME.

FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN
JACKSONVILLE WEBSITE ON THE INTERNET AT WWW.NWSJAX.NOAA.GOV.

DANIEL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 1:54 PM EDT	Severe Thunderstorm Warning	JAX	Glynn	51 min
Jun 18, 2:10 PM EDT	Severe Thunderstorm Warning	JAX	Camden	50 min

Nearby

Severe Thunderstorm Warnings in Florida, 2000 Every severe thunderstorm warning 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.