Alert archive / Florida / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 217, NWS Jacksonville, FL

July 17, 1995Duval County, Nassau County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at Jul 17, 1995, 3:08 AM EDT for Duval County, Nassau County, Florida. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
Jul 17, 1995, 3:08 AM EDT (07:08 UTC)
Expired
Jul 17, 1995, 4:15 AM EDT
In force
67 min
Issued by
NWS Jacksonville, FL
Area
Whole counties

Counties Duval County, FL, Nassau County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 7.1 hours before the alert went out and 248 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, Tallahassee Rgnl, FL at 00:00Z on 1995-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3143 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, Tallahassee Rgnl, FL at 00:00Z on 1995-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
3143 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1241 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
54 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.

In the hours before

Local storm report, Jul 16, 10:55 PM EDT, 4 hours 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1055 PM EDT SUN JUL 16 1995

TIME (EDT)   .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
DATE         ....COUNTY LOCATION....

530 PM       ST MARYS                GA     TREES DOWN IN DOWNTOWN AREA.
7/16/95      CAMDEN                         TREES ALSO DOWN ON GRAYFIELD
                                            DR...SEMINOLE RD. REPORTED
                             8               BY TV 12 METEOROLOGIST SPOTTER
                                            AND CAMDEN CO EMERG. 911.

PETERSON
Local storm report, Jul 17, 2:15 AM EDT, 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
215 AM EDT MON JUL 17 1995

TIME (EDT)   .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
DATE         ....COUNTY LOCATION....

0050AM       CAMP BLANDING           FL     WIND & HAIL
7/17/95      CLAY                           NUMEROUS TREES REPORTED DOWN
                                            POWER OUTAGES...GOLF BALL SIZE
                                            HAIL

K. KUYPER

WUUS01KPIT0
Local storm report, Jul 17, 2:35 AM EDT, 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
215 AM EDT MON JUL 17 1995

TIME (EDT)   .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
DATE         ....COUNTY LOCATION....

0050AM       CAMP BLANDING           FL     WIND & HAIL
7/17/95      CLAY                           NUMEROUS TREES REPORTED DOWN
                                            POWER OUTAGES...GOLF BALL SIZE
                                           & HAIL

K. KUYPER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 12:37 AM EDTSevere Thunderstorm WarningJAXClay68 min
Jul 17, 12:57 AM EDTFlash Flood WarningJAXDuval4 hr
Jul 17, 2:33 AM EDTSevere Thunderstorm WarningJAXBaker57 min
Jul 17, 2:40 AM EDTFlash Flood WarningJAXNassau4 hr
Jul 17, 4:53 AM EDTFlash Flood WarningJAXDuval, Nassau4 hr
Jul 17, 5:37 AM EDTFlash Flood WarningJAXClay3 hr
Jul 17, 3:30 AM EDTSevere Thunderstorm WarningJAXCamden60 min
Jul 17, 4:15 AM EDTFlash Flood WarningJAXCamden4 hr

Nearby

Severe Thunderstorm Warnings in Florida, 1995Every severe thunderstorm warning in 1995

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.