Alert archive / Florida / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 33, NWS Miami, FL

August 5, 1994Collier County, Hendry County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Aug 5, 1994, 3:07 PM EDT for Collier County, Hendry County, Florida. It was in force for 68 min.

The area

The counties it named.

The facts

Issued
Aug 5, 1994, 3:07 PM EDT (19:07 UTC)
Expired
Aug 5, 1994, 4:15 PM EDT
In force
68 min
Issued by
NWS Miami, FL
Area
Whole counties

Counties Collier County, FL, Hendry County, FL

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 7.1 hours before the alert went out and 190 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, Tampa Bay, FL at 12:00Z on 1994-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1637 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, Tampa Bay, FL at 12:00Z on 1994-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
1637 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
698 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
11 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 
TTAA00 KMIA 051908 RRA
SVRMIA
FLC051-021-052015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
307 PM EDT FRI AUG 5 1994
 
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  415 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH FLORIDA
 
   ...HENDRY COUNTY
 
IN SOUTHWEST FLORIDA
 
   ...NORTHWESTERN COLLIER COUNTY
 
AT 305 PM...A LINE OF SEVERE THUNDERSTORMS EXTENDED FROM JUST
WEST OF CLEWISTON TO IMMOKALEE. MOVEMENT WAS SOUTHEAST AT
10 MPH.

Nearby

Severe Thunderstorm Warnings in Florida, 1994Every severe thunderstorm warning in 1994

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.