Alert archive / Florida / Tornado Warnings in 1991
Tornado Warning 9, NWS Melbourne, FL
NWS Melbourne, FL issued this tornado warning at Jul 15, 1991, 3:26 PM EDT for Seminole County, Florida. It was in force for 64 min.
The area
The counties it named.
The facts
- Issued
- Jul 15, 1991, 3:26 PM EDT (19:26 UTC)
- Expired
- Jul 15, 1991, 4:30 PM EDT
- In force
- 64 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Seminole County, FL
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 7.4 hours before the alert went out and 160 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
- 1345 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 688 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this tornado 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, Jul 15, 2:50 PM EDT, 36 minutes before
FLZ011-012-016-017-152045- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 245 PM EDT MON JUL 15 1991 AT 240 PM... THERE WERE NUMEROUS SHOWERS AND THUNDERSTORMS FROM OCALA TO MT DORA... APOPKA... KISSIMMEE AND THEN SOUTH ALONG THE KISSIMMEE RIVER TO NEAR LAKE PLACID. SCATTERED SHOWERS AND THUNDERSTORMS ALSO CONTINUED ALONG AND JUST INLAND FROM THE COAST FROM NEW SMYRNA BEACH SOUTH TO FORT PIERCE. IN BOTH THESE AREAS... THE THUNDERSTORMS HAD GUSTY WINDS AND HEAVY RAIN. BETWEEN 3 AND 4 PM... PERSONS IN LOCATIONS FROM OCALA AND ASTOR PARK SOUTH ACROSS LAKE... ORANGE AND OSCEOLA COUNTIES SHOULD BE PREPARED FOR THUNDERSTORMS WITH HEAVY RAIN AND GUSTY WINDS. PLEASE SECURE LOOSE OBJECT THAT COULD BE BLOWN AWAY BY GUSTY WINDS. TAKE PRECAUTIONS TO AVOID BEING CAUGHT OUTSIDE IN A THUNDERSTORM. MOTORISTS ARE URGED TO SLOW DOWN IN AREAS OF HEAVY RAIN. ELSEWHERE... SCATTERED SHOWERS AND THUNDERSTORMS WILL CONoTINUE ALONG THE COAST FROM DAYTONA BEACH SOUTH WITH OTHER ACTIVITY AFFECTING THE INLAND AREAS OF EASTERN SEMINOLE AND SOUTHERN VOLUSIA COUNTIES. LIVINGSTON
Special weather statement, Jul 15, 3:20 PM EDT, 6 minutes before
FLZ009-012-152115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DAYTONA BEACH FL 319 PM EDT MON JUL 15 1991 THIS IS A SPECIAL WEATHER STATEMENT FOR MARION AND VOLUSIA COUNTIES AND A MARINE WEATHER STATEMENT FOR VOLUSIA COUNTY... AT 315 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS INCREASING RAPIDLY IN INTENSITY AND COVERAGE OVER CENTRAL FLORIDA. THE HEAVIEST CONCENTRATIONS OF STORMS EXTENDED DOWN THE INTERIOR OF THE STATE FROM SOUTHEAST MARION COUNTY NEAR THE OKLAWAHA RIVER AND ALONG THE EAST COAST SOUTH OF NEW SYRNA BEACH. THE THUNDERSTORMS WERE MOVING NORTH AT AROUND 10 MPH ON A COURSE THAT WILL PUSH THEM INTO MARION AND VOLUSIA COUNTIES FOR THE NEXT ONE TO TWO HOURS. THESE THUNDERSTORMS WILL PRODUCE STRONG GUSTY WINDS AND LOCALLY ROUGH SEAS...FREQUENT DANGEROUS LIGHTNING STRIKES...VERY HEAVY RAINS ...AND POSSIBLY SMALL HAIL. RESIDENTS...MOTORISTS...AND BOATERS SHOULD BE PREPARED FOR THE APPROACH OF THESE THUNDERSTORMS AND TAKE NECESSARY PRECAUTIONARY MEASURES...PAYING CLOSE ATTENTION TO LIGHTNING SAFETY TIPS. BOATERS MAY BE WELL ADVISED TO HEAD FOR SHORE AT THIS TIME.
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 3:17 PM EDT | Severe Thunderstorm Warning | MLB | Orange | 58 min |
| Jul 15, 3:17 PM EDT | Severe Thunderstorm Warning | MLB | Lake | 27 min |
Nearby
Tornado Warnings in Florida, 1991Every tornado warning in 1991Tornadoes in 1991
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.