Alert archive / Florida / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 17, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Jun 25, 1990, 7:28 PM EDT for Lake County, Florida. It was in force for 47 min.
The area
The counties it named.
The facts
- Issued
- Jun 25, 1990, 7:28 PM EDT (23:28 UTC)
- Expired
- Jun 25, 1990, 8:15 PM EDT
- In force
- 47 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Lake County, FL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Cape Canaveral, FL (KXMR), launched 12:00Z, 11.5 hours before the alert went out and 123 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
- 2968 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 656 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 20 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 KMLB 252327 SVRMLB FLC069-260015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 728 PM EDT MON JUN 25 1990 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 815 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL FLORIDA ...SOUTHERN LAKE COUNTY AT 725 PM EDT NATIONAL WEATHER SERVICE RADARS INDICATED A SEVERE THUNDERSTORM IN SOUTH LAKE COUNTY NEAR THE TOWN OF MASCOTTE. MOVEMENT WAS NORTHEAST AT 10 MPH. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 58 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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, Jun 25, 7:16 PM EDT, 12 minutes before
FLZ011-260015- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 717 PM EDT MON JUN 25 1990 AT 712 PM EDT NATIONAL WEATHER SERVICE RADARS INDICATED A CLUSTER OF STRONG THUNDERSTORMS IN SOUTH LAKE COUNTY...EXTENDING INTO SOUTHWEST ORANGE COUTNY NEAR DISNEY. OTHER STRONG THUNDERSTORMS WERE DEVELOPING IN SEMINOLE COUNTY NEAR SANFORD AS WELL. THESE STORMS WILL LIKELY PRODUCE STRONG GUSTY WINDS...FREQUENT CLOUD TO GROUND LIGHTNING...AND VERY HEAVY RAIN. SMALL HAIL IS ALSO A POSSIBILITY. MOVEMENT WAS NORTHEAST AT 10 MPH. PEOPLE NEAR THESE STORMS SHOULD REMAIN ALERT TO THREATENING WEATHER CONDITIONS FOR THE NEXT HOUR OR SO. BE PREPARED TO TAKE ACTION IF A SEVERE THUNDERSTORM WARNING IS ISSUED. THE STORMS IN SOUTH LAKE COUNTY STILL SEEM TO BE INCREASING IN INTENSITY. LISTEN TO NOAA WEATHER RADIO FOR THE MOST CURRENT AND ACCURATE INFORMATION.
Nearby
Severe Thunderstorm Warnings in Florida, 1990Every severe thunderstorm warning in 1990
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.