Alert archive / Florida / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 6, NWS Miami, FL

February 12, 1995Miami-Dade County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Feb 12, 1995, 12:22 PM EST for Miami-Dade County, Florida. It was in force for 68 min.

The area

The counties it named.

The facts

Issued
Feb 12, 1995, 12:22 PM EST (17:22 UTC)
Expired
Feb 12, 1995, 1:30 PM EST
In force
68 min
Issued by
NWS Miami, FL
Area
Whole counties

County Miami-Dade County, FL

The nearest sounding before it

Key West, FL (KEYW), launched 12:00Z, 5.4 hours before the alert went out and 169 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 1995-02-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1332 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 1995-02-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 square meters per square second.1939587897Sfc1 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
1332 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
628 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMIA 121725 RRA
SVRMIA
FLC025-FLZ502-121830-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MIAMI FL
1222 PM EST SUN FEB 12 1995
 
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
EFFECTIVE UNTIL  130 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN SOUTHEAST FLORIDA
 
   ...NORTHEASTERN DADE COUNTY
 
  AND FOR BOATERS ON THE COASTAL WATERS FROM
 
   ...HALLANDALE  TO  KEY LARGO
 
THUNDERSTORMS ARE DEVELOPING RAPIDILY OVER BISCAYNE BAY. PRESENT
INDICATIONS FROM DOPPLER RADAR AND STORM SPOTTERS INDICATE THAT
WATERSPOUTS ARE POSSIBLE. ALSO IF HEAVY DOWNPOURS OCCUR... WIND GUSTS TO
60 KNOTS... OR NEAR 70 MPH ARE POSSIBLE.
 
THE GREATEST THREAT TO LIFE IS TO MARINERS ON THE BAY... INLAND... AND
COASTAL WATERS... OF DADE COUNTY. WIND DAMAGE COULD OCCUR ON MIAMI
BEACH... FISHER ISLAND... VIRGINA KEY... AND KEY BISCAYNE. PERSONS IN
THESE AREAS SHOULD KEEP A WEATHER VIGIL OUT AND BE ALERT FOR RAPIDLY
CHANGING WINDS ACCOMPANING HEAVY DOWNPOURS. FLYING DEBRIS COULD CAUSE
INJURIES. WATERSPOUTS THAT MOVE ONTO LAND ARE CALLED TORNADOES.
 
FOR BOATERS... EXPECT ROUGH SEAS IN ADDITION TO STRONG WINDS. 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.
 
IF THREATENING WEATHER IS SIGHTED...TAKE SHELTER...THEN REPORT THE
SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
 
 
 
&

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

Special weather statement, Feb 12, 10:35 AM EST, 1 hour 47 minutes before
FLZ067-068-502-121745-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE WEST PALM BEACH FL
1035 AM EST SUN FEB 12 1995

...A TORNADO WATCH IN EFFECT FOR PALM BEACH COUNTY UNTIL NOON...

AT 1035 AM EST WEATHER SERVICE RADAR SHOWED AN AREA OF LIGHT RAIN
WITH EMBEDDED SHOWERS THUNDERSTORMS...SOME WITH HEAVY RAIN...OVER
THE PENINSULA FROM OFFSHORE THE WEST COAST BETWEEN CHARLOTTE HARBOR
AND MARCO ISLAND TO OFFSHORE THE EAST COAST BETWEEN VERO BEACH AND
WEST PALM BEACH.

THIS AREA EXTENDED EASTWARD INTO THE ATLANTIC WATERS UP TO 150
MILES EAST OF MELBOURNE.

THE HEAVIEST RAIN WAS IN THE ATLANTIC 100 MILES OFFSHORE VERO BEACH.

THE RAIN AREA WAS MOVING SOUTHEAST AT 20 MILES AN HOUR WHILE
INDIVIDUAL STORMS WERE MOVING EAST AT 30 MILES AN HOUR.
A WEAKENING SQUALL LINE WAS MOVING EASTWARD ACROSS LAKE OKEECHOBEE
AT OVER 40 MILES AN HOUR. BOATERS SHOULD AVOID THESE SQUALLS IF
POSSIBLE...STRONG AND SUDDEN GUSTS OVER 60 MILES AN HOUR COULD
OCCUR.

REMEMBER...A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR
SEVERE THUNDERSTORMS AND POSSIBLE TORNADOES IN...OR CLOSE TO...THE
WATCH AREA.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF
55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY
RAINFALL.

STAY TUNED TO NOAA WEATHER RADIO AND...OR...LOCAL TV AND RADIO
STATIONS FOR WARNINGS SHOULD THEY BE REQUIRED.

NNNN
Special weather statement, Feb 12, 10:40 AM EST, 1 hour 42 minutes before
FLZ067-068-502-121645-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE WEST PALM BEACH FL
1040 AM EST SUN FEB 12 1995

...A TORNADO WATCH IN EFFECT FOR PALM BEACH COUNTY UNTIL NOON...

AT 1035 AM EST WEATHER SERVICE RADAR SHOWED AN AREA OF LIGHT RAIN
WITH EMBEDDED SHOWERS THUNDERSTORMS...ONE WITH VERY HEAVY RAIN
...OVER THE CENTRAL PENINSULA FROM OFFSHORE THE WEST COAST BETWEEN
CHARLOTTE HARBOR AND NAPLES TO OFFSHORE THE EAST COAST BETWEEN
MELBOURNE AND JUPITER.

THIS AREA EXTENDED EASTWARD INTO THE ATLANTIC WATERS UP TO 150
MILES EAST OF MELBOURNE.

THE HEAVIEST RAIN WAS IN THE ATLANTIC 45 MILES OFFSHORE VERO BEACH.

MOVEMENT WAS EAST AT 40 MILES AN HOUR.

REMEMBER...A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR
SEVERE THUNDERSTORMS AND POSSIBLE TORNADOES IN...OR CLOSE TO...THE
WATCH AREA.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF
55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY
RAINFALL.

STAY TUNED TO NOAA WEATHER RADIO AND...OR...LOCAL TV AND RADIO
STATIONS FOR WARNINGS SHOULD THEY BE REQUIRED.

NNNN
Special weather statement, Feb 12, 11:22 AM EST, 1 hour before
FLZ063-066-069-070-121720-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1122 AM EST SUN FEB 12 1995

...A TORNADO WATCH REMAINS IN EFFECT FOR GLADES... HENDRY... AND
COLLIER COUNTIES UNTIL NOON TODAY...

AT 1120 AM... A WEAKENING SQUALL LINE WAS MOVING EASTARD AT OVER 40 MPH
ACROSS LAKE OKEECHOBEE. BOATERS SHOULD PREPARE FOR STRONG AND SUDDEN
WIND GUSTS OF OVER 60 MPH. AVOID THESE SQUALLS IF AT ALL POSSIBLE.
THESE CONDITIONS SHOULD CONTINUE THROUGH NOON.

ELSEWHERE... ANOTHER SQUALL LINE WAS MOVING THROUGH LEE COUNTY
TOWARDS THE EAST AOUND 35 MPH. THESE STORMS WILL AFFECT NORTHWEST
COLLIER AND WESTERN HENDRY COUNTY BETWEEN NOW AND 130 PM.

THESE STORMS WILL CONTINUE ACROSS EASTERN HENDRY COUNTY AND NORTHERN
COLLIER COUNTY PAST NOON. THE TORNADO WATCH WILL LIKELY NOT BE
EXTENDED BEYOND NOON SINCE NO TORNADOES HAVE BEEN REPORTED AND
CONDITIONS ARE BECOMING LESS FAVORABLE.

HOWEVER THERE IS STILL A THREAT OF WIND DAMAGE FROM ANY FAST MOVING
STORMS THIS AFTERNOON. RESIDENTS SHOULD PREPARE FOR WIND GUSTS OVER
60 MPH NEAR THE LEADING EDGE OF ANY HEAVY DOWNPOURS. MOST OF THE WIND
DAMAGE... IF ANY... WILL BE TO METAL AWNINGS... STORAGE SHEDS... AND
WEAK OR DISEASED TREES. THE THREAT TO LIFE WILL BE MAINLY FROM FLYING
DEBRIS OR PEOPLE RESIDING IN MOBILE HOMES.. OR DRIVING HIGH
PROFILE VEHICLES. IF YOU ARE MUST GO OUTSIDE... LIVE IN A MOBILE
HOME... OR ARE DRIVING A HIGH PROFILE VEHICLE... KEEP A WEATHER VIGIL
OUT.

SPOTTER ACTIVIATION MAY BE NEED THIS AFTERNOON ACROSS SOUTH
FLORIDA.  ALL RESIDENTS... MOTORISTS..  AND BOATERS..  IN SOUTH
FLORIDA ARE URGED TO REPORT ANY WIND DAMAGE OR TORNADOES AS SOON AS
POSSIBLE TO YOUR NEAREST LAW ENFORCEMENT AGENCY... FIRE DEPARTMENT...
OR CALL THE NATIONAL WEATHER SERVICE AND LEAVE MAKE YOUR REPORT. THAT

ADVANCE PLANNING DURING A WATCH IS ESSENTIAL.  MAKE SURE YOUR
FAMILY KNOWS WHERE TO GO AND WHAT TO DO IN THE EVENT A SEVERE
THUNDERSTORM WARNING IS ISSUED.

STAY TUNED TO NOAA WEATHER RADIO...RADIO OR TELEVISION FOR THE
LATEST UPDATES CONCERNING THIS DEVELOPING WEATHER SITUATION.
Special weather statement, Feb 12, 11:35 AM EST, 47 minutes before
FLZ067-068-502-121745-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTED FOR TIMES...
NATIONAL WEATHER SERVICE WEST PALM BEACH FL
1135 AM EST SUN FEB 12 1995

...A TORNADO WATCH IN EFFECT FOR PALM BEACH COUNTY UNTIL NOON...

AT 1135 AM EST WEATHER SERVICE RADAR SHOWED AN AREA OF LIGHT RAIN WITH
EMBEDDED SHOWERS THUNDERSTORMS...SOME WITH HEAVY RAIN...OVER THE
PENINSULA FROM OFFSHORE THE WEST COAST BETWEEN CHARLOTTE HARBOR AND
MARCO ISLAND TO OFFSHORE THE EAST COAST BETWEEN VERO BEACH AND WEST PALM
BEACH.

THIS AREA EXTENDED EASTWARD INTO THE ATLANTIC WATERS UP TO 150
MILES EAST OF MELBOURNE.

THE HEAVIEST RAIN WAS IN THE ATLANTIC 100 MILES OFFSHORE VERO BEACH.

THE RAIN AREA WAS MOVING SOUTHEAST AT 20 MILES AN HOUR WHILE
INDIVIDUAL STORMS WERE MOVING EAST AT 30 MILES AN HOUR.

A WEAKENING SQUALL LINE WAS MOVING EASTWARD ACROSS LAKE OKEECHOBEE
AT OVER 40 MILES AN HOUR. BOATERS SHOULD AVOID THESE SQUALLS IF
POSSIBLE...STRONG AND SUDDEN GUSTS OVER 60 MILES AN HOUR COULD
OCCUR.

REMEMBER...A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR
SEVERE THUNDERSTORMS AND POSSIBLE TORNADOES IN...OR CLOSE TO...THE
WATCH AREA.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF
55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY
RAINFALL.

STAY TUNED TO NOAA WEATHER RADIO AND...OR...LOCAL TV AND RADIO
STATIONS FOR WARNINGS SHOULD THEY BE REQUIRED.

NNNN
Special weather statement, Feb 12, 11:42 AM EST, 40 minutes before
FLZ067-068-502-121745-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE WEST PALM BEACH FL
1035 AM EST SUN FEB 12 1995

...A TORNADO WATCH IN EFFECT FOR PALM BEACH COUNTY UNTIL NOON...

AT 1035 AM EST WEATHER SERVICE RADAR SHOWED AN AREA OF LIGHT RAIN
WITH EMBEDDED SHOWERS THUNDERSTORMS...SOME WITH HEAVY RAIN...OVER
THE PENINSULA FROM OFFSHORE THE WEST COAST BETWEEN CHARLOTTE HARBOR
AND MARCO ISLAND TO OFFSHORE THE EAST COAST BETWEEN VERO BEACH AND
WEST PALM BEACH.

THIS AREA EXTENDED EASTWARD INTO THE ATLANTIC WATERS UP TO 150
MILES EAST OF MELBOURNE.

THE HEAVIEST RAIN WAS IN THE ATLANTIC 100 MILES OFFSHORE VERO BEACH.

THE RAIN AREA WAS MOVING SOUTHEAST AT 20 MILES AN HOUR WHILE
INDIVIDUAL STORMS WERE MOVING EAST AT 30 MILES AN HOUR.
A WEAKENING SQUALL LINE WAS MOVING EASTWARD ACROSS LAKE OKEECHOBEE
AT OVER 40 MILES AN HOUR. BOATERS SHOULD AVOID THESE SQUALLS IF
POSSIBLE...STRONG AND SUDDEN GUSTS OVER 60 MILES AN HOUR COULD
OCCUR.

REMEMBER...A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR
SEVERE THUNDERSTORMS AND POSSIBLE TORNADOES IN...OR CLOSE TO...THE
WATCH AREA.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF
55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY
RAINFALL.

STAY TUNED TO NOAA WEATHER RADIO AND...OR...LOCAL TV AND RADIO
STATIONS FOR WARNINGS SHOULD THEY BE REQUIRED.

NNNN
Special weather statement, Feb 12, 12:17 PM EST, 5 minutes before
FLZ067-068-502-121745-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTED FOR TIMES...
NATIONAL WEATHER SERVICE WEST PALM BEACH FL
1135 AM EST SUN FEB 12 1995

...A TORNADO WATCH IN EFFECT FOR PALM BEACH COUNTY UNTIL NOON...

AT 1135 AM EST WEATHER SERVICE RADAR SHOWED AN AREA OF LIGHT RAIN WITH
EMBEDDED SHOWERS THUNDERSTORMS...SOME WITH HEAVY RAIN...OVER THE
PENINSULA FROM OFFSHORE THE WEST COAST BETWEEN CHARLOTTE HARBOR AND
MARCO ISLAND TO OFFSHORE THE EAST COAST BETWEEN VERO BEACH AND WEST PALM
BEACH.

THIS AREA EXTENDED EASTWARD INTO THE ATLANTIC WATERS UP TO 150
MILES EAST OF MELBOURNE.

THE HEAVIEST RAIN WAS IN THE ATLANTIC 100 MILES OFFSHORE VERO BEACH.

THE RAIN AREA WAS MOVING SOUTHEAST AT 20 MILES AN HOUR WHILE
INDIVIDUAL STORMS WERE MOVING EAST AT 30 MILES AN HOUR.

A WEAKENING SQUALL LINE WAS MOVING EASTWARD ACROSS LAKE OKEECHOBEE
AT OVER 40 MILES AN HOUR. BOATERS SHOULD AVOID THESE SQUALLS IF
POSSIBLE...STRONG AND SUDDEN GUSTS OVER 60 MILES AN HOUR COULD
OCCUR.

REMEMBER...A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR
SEVERE THUNDERSTORMS AND POSSIBLE TORNADOES IN...OR CLOSE TO...THE
WATCH AREA.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIN^D IN EXCESS OF
55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY
RAINFALL.

STAY TUNED TO NOAA WEATHER RADIO AND...OR...LOCAL TV AND RADIO
STATIONS FOR WARNINGS SHOULD THEY BE REQUIRED.

NNNN

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.