Alert archive / Florida / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 41, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Aug 8, 1990, 4:12 PM EDT for Flagler County, Florida. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- Aug 8, 1990, 4:12 PM EDT (20:12 UTC)
- Expired
- Aug 8, 1990, 5:15 PM EDT
- In force
- 63 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Flagler 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
Jacksonville, FL (KAYS), launched 12:00Z, 8.2 hours before the alert went out and 121 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
- 1066 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 691 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 14 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 KDAB 082013 SVRDAB FLC035-082115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE DAYTONA BEACH FL 412 PM EDT WED AUG 8 1990 THE NATIONAL WEATHER SERVICE IN DAYTONA BEACH HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 515 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST FLORIDA ...FLAGLER COUNTY AND THE ADJACENT COASTAL WATERS. A SEVERE IMQ=I5WAS LOCATED 10 MILES SOUTHWEST OF BUNNELL AND WAS MOVING NORTHEAST AT 10 MPH. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 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. AS THE THUNDERSTORMS MOVE OUT OVER THE COASTAL WATERS...BOATERS IN THE THREATENED AREA CAN EXPECT STRONG^ WINDS...ROUGH SEAS AND LIGHTNING. BOATERS SHOULD TAKE NECESSARY ACTION TO AVOID THE DANGEROUS THUNDERSTORMS.
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, Aug 8, 1:37 PM EDT, 2 hours 35 minutes before
FLZ009-081845- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DAYTONA BEACH FL 136 PM EDT WED AUG 8 1990 A STRONG THUNDERSTORM HAS DEVELOPED ALONG THE VOLUSIA COUNTY COAST JUST INLAND FROM EDGpEWATER AND OAK HILL. THIS THUNDERSTORMS MAY BE ACCOMPANIED WITH HAIL..STRONG WINDS AND FREQUENT LIGHTNING AS IT MOVES NORTHEAST AT 10 MPH TOWARD NEW SMYRNA BEACH AND PONDE DE LEON INLET.
Special weather statement, Aug 8, 2:03 PM EDT, 2 hours 9 minutes before
FLZ017-011-016-012-081900- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 202 PM EDT WED AUG 8 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 647 REMAINS IS IN EFFECT FOR MUCH OF CENTRAL FLORIDA UNTIL 8PM EDT... AT 155 PM EDT NATIONAL WEATHER SERVICE RADARS INDICATED THUNDERSTORMS FROM EDGEWATER TO OAK HILL IN VOLUSIA COUNTY...FROM SEBASTIAN TO MELBOURNE...AND FROM BROOKSVILLE TO OCALA IN CENTRAL FLORIDA. MOVEMENT WAS NORTHEAST AT 10 MPH. LATEST SATELLITE AND RADAR INFORMATION HAS POINTED TO A RAPID DEVELOPMENT OF THUNDERSTORMS OVER CENTRAL FLORIDA DURING THE PAST HOUR. AS A RESULT A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED AND INCLUDES FLAGLER...VOLUSIA...LAKE...SEMINOLE...ORANGE...OSCEOLA...AND BREVARD COUNTIES AND THE ADJACENT EAST CENTRAL COASTAL WATERS. ANY THUNDERSTORM IN OR NEAR THE WATCH AREA HAS THE POTENTIAL TO BECOME SEVERE. THIS MEANS THAT SOME THUNDERSTORMS WILL HAVE THE CAPABILITY TO PRODUCE WIND GUSTS TO AS MUCH AS 58 MPH AND/OR HAIL THREE QUATER INCH IN DIAMETER. PEOPLE IN EAST CENTRAL FLORIDA NEED TO BE ALERT TO THREATENING WEATHER TODAY AND BE READY TO TAKE ACTION IF A WARNING IS ISSUED. DURING THE NEXT TWO HOURS...THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS EAST CENTRAL FLORIDA. THE MOST FAVORED AREAS FOR STRONG THUNDERSTORMS THIS HOUR WILL BE ALONG THE IMMEDIATE COAST...AND OVER LAKE COUNTY.
Special weather statement, Aug 8, 2:52 PM EDT, 1 hour 20 minutes before
FLZ017-011-016-012-081945- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 251 PM EDT WED AUG 8 1990 ...STRONG THUNDERSTORMS MOVING TOWARDS LAKE COUNTY... ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF CENTRAL FLORIDA UNTIL 8 PM EDT... AT 245 PM EDT NATIONAL WEATHER SERVICE RADARS INDICATED A CLUSTER OF STRONG THUNDERSTORMS IN SUMTER COUNTY. A SEVERE THUNDERSTORM WAS NOTED IN SOUTHWEST SUMTER COUNTY AND A WARNING IS IN EFFECT FOR THIS STORM UNTIL 315 PM EDT. MOVEMENT OF THESE THUNDERSTORMS WAS NORTHEAST AT 10 MPH. THIS MEANS THAT STRONG THUNDERSTORMS WILL BE ENTERING LAKE COUNTY FROM THE SOUTHWEST DURING THE NEXT HOUR. RESIDENTS OF LAKE COUNTY SHOULD BE PREPARED TO TAKE IMMEDIATE ACTION IF A WARNING IS ISSUED. OTHER STRONG THUNDERSTORMS WERE NEAR TITUSVILLE...BETWEEN MELBOURNE AND SEBASTIAN...AND FROM NEAR MASCOTTE TO OCALA. MOVEMENT WAS ALSO NORTHEAST AT 10 MPH. ANY THUNDERSTORM TODAY IN CENTRAL FLORIDA HAS THE CAPABILITY TO BECOME SEVERE. DESTRUCTIVE HAIL AND/OR WIND GUSTS OF AT LEAST 58 MPH OCCUR WITH SEVERE THUNDERSTORMS. ALSO...VERY HEAVY RAIN WILL LIKELY CAUSE SOME TEMPORARY FLOODING OF SOME STREETS AND POOR DRAINAGE AREAS. SOME STREETS IN TITUSVILLE ARE ALREADY EXPERIENCING MINOR FLOODING. DO NOT DRIVE YOUR CAR INTO WATER THAT COVERS THE ROAD. DURING THE NEXT HOUR...THE FAVORED AREAS FOR STRONG THUNDERSTORMS WILL BE IN LAKE COUNTY...AND ALONG THE IMMEDIATE COAST FROM SEBASTIAN TO NEW SMYRNA BEACH MAINLY NEAR TITUSVILLE AND SOUTH OF MELBOURNE.
Special weather statement, Aug 8, 2:54 PM EDT, 1 hour 18 minutes before
FLZ006>017-020-082000- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DAYTONA BEACH FL 250 PM EDT WED AUG 8 1990 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PORTIONS OF NORTH AND CENTRAL FLORIDA UNTIL 800 PM EDT... THIS WATCH INCLUDES THE FOLLOWING COUNTIES...MARION...FLAGLER AND VOLUSIA. STRONG THUNDERSTORMS WITH VERY HEAVY RAIN AND SHOWERS WERE OVER THE PENINULSA FROM LAKE CITY AND JACKSONVILLE SOUTH TO TAMPA AND VERO BEACH. THE HEAVIEST RAIN WAS FALLING BETWEEN JACKSONVILLE AND GAINESVILLE AND BETWEEN OCALA AND LAKELAND AND ALSO ALONG THE COAST BETWEEN CAPE CANAVERAL AND DAYTONA BEACH. MOVEMENT WAS NORTHEAST AT 10 MPH.
Special weather statement, Aug 8, 3:53 PM EDT, 19 minutes before
FLZ017-011-016-012-082100- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 351 PM EDT WED AUG 8 1990 ...STRONG THUNDERSTORMS WERE FROM WEST OF COCOA TO TITUSVILLE AND FROM JUST SOUTH OF MELBOURNE TO VERO BEACH... ...SOME STREET FLOODING IN TITUSVILLE... ...SEVERE THUNDERSTORM WATCH NUMBER 647 REMAINS IN EFFECT FOR MUCH OF CENTRAL FLORIDA UNTIL 8 PM EDT... AT 345 PM EDT NATIONAL WEATHER SERVICE RADARS INDICATED STRONG THUNDERSTORMS OVER BREVARD AND INDIAN RIVER COUNTIES...MAINLY FROM WEST OF COCOA TO TITUSVILLE AND FROM SOUTH OF MELBOURNE TO VERO BEACH. THESE STORMS HAVE BEEN PRODUCING VERY HEAVY RAIN AND SOME STREET FLOODING HAS OCCURRED IN THE TITUSVILLE AREA. THERE IS THE POSSIBILITY THAT THESE STORMS COULD BECOME SEVERE PRODUCING WIND GUSTS OF AT LEAST 58 MPH AND/OR HAIL OF THREE QUARTER INCH IN DIAMETER OR LARGER. MOVEMENT WAS NORTHEAST AT 10 MPH. OTHER THUNDERSTORMS WERE FROM LAKELAND...TO MASCOTTE...TO ASTOR PARK AND ALSO FROM OCALA...TO NEAR FLAGLER BEACH. THE THUNDERSTORMS IN LAKE COUNTY HAVE SHOWN SIGN OF DECREASING BUT MAY INCREASE AGAIN AT ANY TIME. DURING THE NEXT HOUR...STRONG THUNDERSTORMS ARE EXPECTED NEAR COCJOA...AND OVER INDIAN RIVER COUNTY. RESIDENTS OF BREVARD COUNTY... ESPECIALLY IN COCOA AND TITUSVILLE AND ALSO RESIDENTS IN INDIAN RIVER COUNTY SHOULD REMAIN ALERT FOR POSSIBLE WARNINGS.
Special weather statement, Aug 8, 4:00 PM EDT, 12 minutes before
FLZ006>017-020-082100- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DAYTONA BEACH FL 350 PM EDT WED AUG 8 1990 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PORTIONS OF NORTH AND CENTRAL FLORIDA UNTIL 800 PM EDT... THIS WATCH INCLUDES THE FOLLOWING COUNTIES...MARION...FLAGLER AND VOLUSIA. STRONG THUNDERSTORMS WITH VERY HEAVY RAIN AND SHOWERS WERE OVER THE PENINULSA FROM LAKE CITY AND JACKSONVILLE SOUTH TO TAMPA QAND VERO BEACH. THE HEAVIEST RAIN CONTINUED BETWEEN JACKSONVILLE AND GAINESVILLE AND FROM LAKE GEORGE TO LAKELAND. OTHER VERY HEAVY RAINFALL WAS OCCURRING FROM CAPE CANAVERAL TO COCOA. MOVEMENT WAS NORTHEAST AT 10 MPH.
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 1:12 PM EDT | Severe Thunderstorm Warning | MLB | Marion | 63 min |
| Aug 8, 5:19 PM EDT | Severe Thunderstorm Warning | MLB | Volusia | 56 min |
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.