Alert archive / Florida / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 3, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Jan 16, 1993, 7:26 AM EST for Okeechobee County, Florida. It was in force for 64 min.
The area
The counties it named.
The facts
- Issued
- Jan 16, 1993, 7:26 AM EST (12:26 UTC)
- Expired
- Jan 16, 1993, 8:30 AM EST
- In force
- 64 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Okeechobee County, FL
The radar
The Melbourne radar (KMLB), 84 km from the middle of the area, began a volume at 12:26 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
Tampa Bay, FL (KTBW), launched 12:00Z, 0.4 hours before the alert went out and 153 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
- 665 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- -335 m²/s²
- 0-3 km storm-relative helicity
- -4 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 161239 COR SVRPBI FLC093-161330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING...CORRECTION NATIONAL WEATHER SERVICE WEST PALM BEACH FL 726 AM EST SAT JAN 16 1993 THE NATIONAL WEATHER SERVICE IN WEST PALM BEACH HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 AM EST FOR THE FOLLOWING LOCATIONS...... IN SOUTH FLORIDA ...OKEECHOBEE COUNTY AT 725 AM EST WEATHER RADAR INDICATED A LINE OF THUNDERSTORMS...A FEW SEVERE THUNDERSTOMS EMBEDDED WITHIN THE LINE...FROM COCOA BEACH SOUTHWESTWARD TO JUST NORTH OF FORT MYERS. THE LINE OF THUNDESTORMS WAS MOVING TO THE SOUTHEST AT 30 TO 35 MILES AN HOUR AND WILL BE MOVING INTO WESTERN OKEECHOBEE COUNTY WITHIN THE NEXT 30 MINUTES. PERSONS IN OKEECHOBEE COUNTY AND MARINE INTREST ON LAKE OKEECHOBEE SHOULD BE READY TO TAKE IMMEDIATE SHELTER SHOULD THREATENING WEATHER APPROACH. THIS LINE OF THUNDERSTORMS HAS ALREADY PRODUCD DAMAGE IN COUNTIES TO THE WEST OF OKEECHOBEE COUNTY. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. 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. 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, Jan 16, 6:00 AM EST, 1 hour 26 minutes before
FLZ017-011-016-161200- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 600 AM EST SAT JAN 16 1993 ...STRONG THUNDERSTORMS MOVING ACROSS EAST CENTRAL FLORIDA... AT 6 AM...A BAND OF THUNDERSTORMS WITH VERY HEAVY RAIN WAS DETECTED BY RADAR FROM THE TAMPA AREA TO NEAR ORLANDO AND OFFSHORE DAYTONA BEACH. THE STORMS WERE MOVING EAST AT 30 MPH AND WILL BE MOVING ACROSS ORANGE AND OSCEOLA COUNTIES DURING THE NEXT HOUR. STRONG WIND GUSTS WILL OCCUR AS THE STORMS PASS. A TORNADO WATCH IS IN EFFECT FOR THESE AREAS...SO PEOPLE SHOULD BE PREPARED TO SEEK SHELTER AS THE FAST MOVING STORMS MOVE INTO THE AREA. SEVERAL REPORTS OF TORNADOES HAVE ALREADY BEEN RECEIVED IN THE TAMPA BAY AREA. STAY TUNED TO NOAA WEATHER RADIO OR OTHER RELIABLE MEDIA FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Jan 16, 6:43 AM EST, 43 minutes before
FLZ006>017-020-161225- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DAYTONA BEACH FL 630 AM EST SAT JAN 16 1993 ...A TORNADO WATCH IS IN EFFECT FOR VOLUSIA COUNTY INCLUDING THE ADJACENT COASTAL WATERS UNTIL 1000 AM EST... AT 625 AM EST...NATIONAL WEATHER SERVICE RADAR DETECTED SCATTERED THUNDERSTORMS THAT EXTENDED FROM JUST NORTH OF LAKE WALES TO DELAND TO 20 MILES OFFSHORE EDGEWATER. THESE THUNDERSTORMS WERE WITHIN A LARGE AREA OF RAIN THAT COVERED MUCH OF CENTRAL AND A PORTION OF NORTH FLORIDA FROM WAUCHULA TO JUST NORTH OF GAINESVILLE...EASTWARD TO THE COAST AND ADJACENT COASTAL WATERS BETWEEN JACKSONVILLE BEACH AND CAPE CANAVERAL. MOVEMENT WAS EAST AT 30 M6PH. THE TORNADO WATCH IS ALSO IN EFFECT FOR SOUTHWEST FLORIDA AND MUCH OF THE REST OF CENTRAL FLORIDA AND THE ADJACENT COASTAL WATERS.
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 16, 6:56 AM EST | Severe Thunderstorm Warning | MLB | Brevard | 64 min |
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; radar from the NEXRAD Level II archive.