Alert archive / Florida / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 40, NWS Miami, FL

July 5, 1995Collier County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Jul 5, 1995, 3:40 PM EDT for Collier County, Florida. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Jul 5, 1995, 3:40 PM EDT (19:40 UTC)
Expired
Jul 5, 1995, 4:45 PM EDT
In force
65 min
Issued by
NWS Miami, FL
Area
Whole counties

County Collier County, FL

The radar

The Miami radar (KAMX), 111 km from the middle of the area, began a volume at 19:44 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

Key West, FL (KEYW), launched 12:00Z, 7.7 hours before the alert went out and 174 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, Key West, FL at 12:00Z on 1995-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2581 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, Key West, FL at 12:00Z on 1995-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
2581 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
829 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
35 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 051939 RRA
SVRMIA
FLC021-FLZ504-052045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MIAMI FL
340 PM EDT WED JUL 5 1995
 
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
EFFECTIVE UNTIL  445 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN SOUTHWEST FLORIDA
 
   ...WESTERN COLLIER COUNTY
 
  AND FOR BOATERS ON THE COASTAL WATERS FROM
 
   ...EVERGLADES CITY  TO  BONITA BEACH
 
MIAMI DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM JUST EAST OF MARCO
ISLAND MOVING WEST AT 20 MPH. THIS STORM WILL MOVE OVER MARCO ISLAND AND
THE COASTAL WATERS WITHIN THE NEXT 30 MINUTES. HEAVY RAIN...
GUSTY WINDS...AND POSSIBLE HAIL CAN BE EXPECTED AS THE STORM MOVES
OFFSHORE.
 
DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN A SEVERE THUNDERSTORM. SEEK
SHELTER IN A STRONG BUILDING. STAY AWAY FROM WINDOWS. DO NOT USE
TELEPHONES OR ELECTRICAL APPLIANCES.
 
THUNDERSTORMS THREATEN BOATER SAFETY WITH GUSTY WINDS IN EXCESS OF
35 KNOTS...ROUGH SEAS AND DEADLY LIGHTNING.  YOUR BEST COURSE OF
ACTION IS TO SEEK SAFE HARBOR...BUT IF YOU| ARE CAUGHT ON THE OPEN
WATER...STAY BELOW DECK OR KEEP A LOW PROFILE AND KEEP AWAY FROM
UNGROUNDED METAL OBJECTS. WEAR FLOTATION DEVICES.

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; radar from the NEXRAD Level II archive.