Alert archive / Florida / Tornado Warnings in 1995

Tornado Warning 9, NWS Jacksonville, FL

May 11, 1995Clay County, Saint Johns County, Florida

NWS Jacksonville, FL issued this tornado warning at May 11, 1995, 1:38 PM EDT for Clay County, Saint Johns County, Florida. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
May 11, 1995, 1:38 PM EDT (17:38 UTC)
Expired
May 11, 1995, 2:45 PM EDT
In force
67 min
Issued by
NWS Jacksonville, FL
Area
Whole counties

Counties Clay County, FL, Saint Johns County, FL

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 5.6 hours before the alert went out and 62 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 1995-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1658 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, Jacksonville, FL at 12:00Z on 1995-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 163 square meters per square second.19395878Sfc1 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
1658 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
549 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
163 m²/s²
0-3 km storm-relative helicity
193 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KJAX 111738
TORJAX
FLC019-109-111845-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
138 PM EDT THU MAY 11 1995
 
THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  245 PM EDT
FOR PERSONS IN THE FOLLOWING LOCATIONS S...
 
IN NORTH FLORIDA
 
   ...CLAY COUNTY...ST. JOHNS COUNTY
 
AND THE ADJACENT COASTAL WATERS ALONG THE NORTHEAST FLORIDA COAST
 
 
AT 135 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A POSSIBLE
TORNADO IN CENTRAL CLAY COUNTY NEAR GREEN COVE SPRINGS. MOVEMENT WAS TO
THE EAST AT 30 MPH.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...SEEK SHELTERN IN A CULVERT...DITCH
OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
 
JOHNSON/REDMAN

The office that day

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

IssuedProductOfficeCountiesLasted
May 11, 11:18 AM EDTSevere Thunderstorm WarningJAXLafayette, Suwannee57 min
May 11, 11:18 AM EDTSevere Thunderstorm WarningJAXHamilton57 min
May 11, 11:47 AM EDTTornado WarningJAXLafayette43 min
May 11, 12:21 PM EDTSevere Thunderstorm WarningJAXColumbia69 min
May 11, 1:00 PM EDTSevere Thunderstorm WarningJAXAlachua, Gilchrist60 min
May 11, 1:14 PM EDTSevere Thunderstorm WarningJAXClay61 min
May 11, 2:31 PM EDTTornado WarningJAXPutnam59 min

Nearby

Tornado Warnings in Florida, 1995Every tornado warning in 1995Tornadoes 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.