Alert archive / Florida / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 4, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Feb 10, 1993, 10:24 PM EST for Okeechobee County, Florida. It was in force for 51 min.
The area
The counties it named.
The facts
- Issued
- Feb 10, 1993, 10:24 PM EST (03:24 UTC)
- Expired
- Feb 10, 1993, 11:15 PM EST
- In force
- 51 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Okeechobee County, FL
The nearest sounding before it
Cape Canaveral, FL (KXMR), launched 00:00Z, 3.4 hours before the alert went out and 126 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 702 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPBI 110324 SVRPBI FLC093-110415- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE WEST PALM BEACH FL 1024 PM EST WED FEB 10 1993 THE NATIONAL WEATHER SERVICE IN WEST PALM BEACH HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 PM EST FOR THE FOLLOWING LOCATIONS...... IN SOUTH FLORIDA ...SOUTHERN OKEECHOBEE COUNTY AND LAKE OKEECHOBEE A SEVERE THUNDERSTORM WAS DETECTED BY RADAR OVER NORTHWESTERN LAKE OKEECHOBEE AND WAS DRIFTING NORTHEAST AT NEAR 5 MILES AN HOUR. THIS STORM IS ACCOMPANIED BY DANGEROUS LIGHTNING... HEAVY RAINS... ROUGH WATERS... AND WINDS IN EXCESS OF 55 MPH. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. MARNINERS SHOULD SEEK SAFE SHELTER OR HARBOR WHEN THUNDERSTORMS APPROACH. NNNN
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 10, 8:14 PM EST, 2 hours 10 minutes before
FLZ017-011-016-012-009-110315- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 815 PM EST WED FEB 10 1993 ...AREAS OF DENSE FOG ACROSS THE COAST FROM DAYTONA BEACH TO VERO BEACH... AT 810 PM AREAS OF DENSE FOG CONTINUED TO MOVE INLAND OVER VOLUSIA AND BREVARD COUNTIES. VISIBILITY WAS 200 YARDS AT THE SPACE CENTER AND COCOA BEACH AND 1/4 MILE IN DAYTONA BEACH AND TITUSVILLE. LOCAL FIRE DEPARTMENTS HAVE REPORTED VISIBILITY NEAR ZERO IN PARTS OF NORTHERN AND CENTRAL BREVARD COUNTY. MOTORISTS SHOULD USE EXTREME CAUTION WHILE DRIVING TONIGHT... ESPECIALLY ALONG SR A1A AND RT 1 WHERE THE FOG IS MOST DENSE. REDUCE SPEED WHERE VISIBILITY IS LOW AND ALWAYS hUSE LOW BEAM HEADLIGHTS. DENSE FOG WILL REMAIN OVER THE COAST THROUGH THE NIGHT WITH PATCHES OF DENSE FOG DEVELOPING OVER INLAND AREAS BY MIDNIGHT. RES
Special weather statement, Feb 10, 9:12 PM EST, 1 hour 12 minutes before
FLZ017-011-016-012-009-110415- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 913 PM EST WED FEB 10 1993 ...DENSE FOG ADVISORY OVERNIGHT FOR FLAGLER...VOLUSIA...BREVARD... AND INDIAN RIVER COUNTIES... DENSE FOG WAS WIDESPREAD THIS EVENING ALONG THE COAST OF EAST CENTRAL FLORIDA WITH VISIBILITIES OF 1/4 MILE OR LOWER. THE FOG WAS MOST DENSE ALONG SR A1A AND RT 1 FROM VERO BEACH TO DAYTONA BEACH. MOTORISTS SHOULD USE EXTRA CAUTION OVERNIGHT WHERE VISIBILITY IS LOW...REDUCE SPEED AND USE LOW BEAM HEADLIGHTS. ELSEWHERE OVER EAST CENTRAL FLORIDA PATCHY FOG WAS BEGINNING TO FORM OVER THE INTERIOR AND WILL BECOME LOCALLY DENSE AFTER MIDNIGHT. RES
Nearby
Severe Thunderstorm Warnings in Florida, 1993Every severe thunderstorm warning in 1993
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.