Alert archive / Florida / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 68, NWS Jacksonville, FL

May 14, 2000Flagler County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at May 14, 2000, 7:14 PM EDT for Flagler County, Florida. It was in force for 61 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: May 14, 2000, 7:14 PM EDT (23:14 UTC)
Expired: May 14, 2000, 8:15 PM EDT
In force: 61 min
Issued by: NWS Jacksonville, FL
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Flagler County, FL

The radar

The Jacksonville radar (KJAX), 113 km from the middle of the area, began a volume at 23:14 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, 11.2 hours before the alert went out and 115 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: 1223 J/kg
Mixed-layer CIN: -66 J/kg
Mixed-layer LCL: 905 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 60 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.

149 
WUUS52 KJAX 142314
SVRJAX
FLC035-150015-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
714 PM EDT SUN MAY 14 2000

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FLAGLER COUNTY IN NORTHEAST FLORIDA

* UNTIL 815 PM EDT

* AT 714 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  SEVERE THUNDERSTORMS WITH LARGE HAIL AND DAMAGING WINDS ALONG A LINE 
  EXTENDING FROM 4 MILES EAST OF ANDALUSIA TO 11 MILES SOUTHEAST OF 
  CRESCENT CITY...MOVING EAST AT 15 MPH.

* SOME LOCATIONS NEAR THE PATH OF THE STORM THROUGH 815 PM EDT...
  ANDALUSIA...
  ESPANOLA...
  BUNNELL...
  PALM COAST...

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY BUILDING
AWAY FROM WINDOWS. REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE LARGE
DAMAGING HAIL...DAMAGING WINDS IN EXCESS OF 55 MPH...DEADLY
LIGHTNING...AND VERY HEAVY RAIN.


LAT...LON 2961 8118 2965 8126 2962 8132 2962 8152
          2949 8152 2930 8138 2928 8117

$$

SANTOS

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 May 14, 1:55 PM EDT, 5 hours 19 minutes earlier.

Area forecast discussion, May 14, 1:55 PM EDT, 5 hours 19 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
155 PM EDT SUN MAY 14 2000

ANALYSIS OF SATELLITE PIX AND SURFACE OBS INDICATES A BROAD...WEAK
FRONTAL ZONE OVER THE CWA WITH A GOOD AREA OF CU DEVELOPING ACROSS
THE ENTIRE AREA... EXCEPT THE NORTHWESTERN PORTION.

EXPECT LITTLE MOVEMENT IN FRONTAL ZONE... THEREFORE AS THE HIGH
BUILDS TO OUR NORTH... IT MAY STRENGTHEN THE COASTAL LOW LEVEL NE
FLOW AND THE POTENTIAL FOR SURFACE LOW DEVELOPMENT OVER OUR ATLANTIC
COASTAL WATERS LATE TONIGHT AND MONDAY.

PRELIM

AMG 62/84/58/86 0000
SSI 68/77/64/78 3200
JAX 68/83/62/86 3200
GNV 65/83/61/86 2000 22

.JAX...
.GA...NONE
.FL...NONE

JOHNSON

The office that day

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

Issued	Product	Office	Counties	Lasted
May 14, 4:20 PM EDT	Severe Thunderstorm Warning	JAX	Alachua, Gilchrist	40 min
May 14, 4:47 PM EDT	Severe Thunderstorm Warning	JAX	Clay	43 min
May 14, 4:59 PM EDT	Severe Thunderstorm Warning	JAX	Alachua	46 min
May 14, 5:23 PM EDT	Severe Thunderstorm Warning	JAX	Saint Johns	47 min
May 14, 5:27 PM EDT	Severe Thunderstorm Warning	JAX	Clay	48 min
May 14, 5:45 PM EDT	Severe Thunderstorm Warning	JAX	Bradford, Clay	30 min
May 14, 5:58 PM EDT	Severe Thunderstorm Warning	JAX	Putnam, Saint Johns	47 min
May 14, 6:10 PM EDT	Severe Thunderstorm Warning	JAX	Clay	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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.