Alert archive / Florida / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 69, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Jul 1, 1993, 7:06 PM EDT for Osceola County, Florida. It was in force for 54 min.
The area
The counties it named.
The facts
- Issued
- Jul 1, 1993, 7:06 PM EDT (23:06 UTC)
- Expired
- Jul 1, 1993, 8:00 PM EDT
- In force
- 54 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Osceola County, FL
The radar
The Melbourne radar (KMLB), 49 km from the middle of the area, began a volume at 23:06 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, 11.1 hours before the alert went out and 129 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
- 1625 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 633 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS01 KMLB 012307 RRA SVRMLB FLC097-020000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 706 PM EDT THU JUL 1 1993 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 800 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL FLORIDA ...SOUTHERN OSCEOLA COUNTY AT 703 PM NATIONAL WEATHER SERVICE RADAR WAS INDICATING A SEVERE THUNDERSTORM IN SOUTHERN OSCEOLA COUNTY 10 MILES WEST OF YEEHAW JUNCTION. THIS THUNDERSTORM WAS MOVING TO THE EAST AT 5 MPH. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 58 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE OR IN MOBILE HOMES SHOULD MOVE INSIDE A STRONG BUILDING AND STAY AWAY FROM WINDOWS.
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, Jul 1, 5:27 PM EDT, 1 hour 39 minutes before
FLZ017-011-016-012-009-012230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 527 PM EDT THU JUL 1 1993 ...SEVERE THUNDER WATCH IN EFFECT FOR MUCH OF THE FLORIDA PENISULA UNTIL 900 PM. AT 520 PM NATIONAL WEATHER SERVICE RADAR WAS INDICATING A BROKEN LINE OF STRONG TO SEVERE THUNDERSTORMS EXTENDING FROM THE SAINT JOHNS RIVER NEAR PALATKA SOUTHEWEST TO LAKE GEORGE TO THE OCALA NATIONAL FOREST. OTHER STRONG THUNDERSTORMS WERE LOCATED IN NORTHWEST SAINT LUCIE COUNTY 10 MILES SOUTHEAST OF FORT DRUM. STILL OTHER STORMS WERE LOCATED NEAR SAINT CLOUD. THE STORMS WERE MOVING GENERALLY TO THE SOUTHWEST AT 10 MPH. THESE THUNDERSTORMS WILL BE CAPABLE OF STRONG WINDS...DANGEROUS CLOUD TO GROUND LIGHTNING AND HAIL. RESIDENTS ACROSS EAST CENTRAL FLORIDA SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND LISTEN TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Local storm report, Jul 1, 5:49 PM EDT, 1 hour 17 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
450 PM EDT THU JUL 1 1993
TIME EVENT
1510 PM LAKE COUNTY EM REPORTED DIME SIZED NEAR LEESBURG.
1532 PM LAKE COUNTY PUBLIC REPORTED DIME SIZED HAIL 3NW GRAND ISLAND.
1605 PM LAKE COUNTY PUBLIC REPORTED ONE INCH HAIL IN LEESBURG.
1615 PM LAKE COUNTY PUBLIC REPORTED NICKLE SIZED HAIL NEAR UMITILLA
AND LADY LAKE.Special weather statement, Jul 1, 6:06 PM EDT, 1 hour before
FLZ017-011-016-012-009-012315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 606 PM EDT THU JUL 1 1993 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MUCH OF THE FLORIDA PENISULA UNTIL 900 PM AT 600 PM NATIONAL WEATHER SERVICE RADAR WAS INDICATING A CLUSTER OF STRONG TO SEVERE THUNDERSTORMS FROM PALATKA SOUTHWEST ACROSS CENTAL AND WESTERN MARION COUNTY. OTHER STRONG STORMS WERE LOCATED FROM ZEPHYRHILLS TO LAKELAND TO 10 MILES EAST OF FORT MEAD AND... FROM THE TOWN OF KISSIMMEE TO LAKE KISSIMMEE. PEOPLE ACROSS EAST CENTRAL FLORIDA SHOULD BE ALERT FOR THE POSSIBILITY OF STRONG WINDS...DANGEROUS CLOUD TO GROUND LIGHTNING AND HAIL AND STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Jul 1, 6:07 PM EDT, 59 minutes before
FLZ017-011-016-012-009-012315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 606 PM EDT THU JUL 1 1993 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MUCH OF THE FLORIDA PENISULA UNTIL 900 PM AT 600 PM NATIONAL WEATHER SERVICE RADAR WAS INDICATING A CLUSTER OF STRONG TO SEVERE THUNDERSTORMS FROM PALATKA SOUTHWEST ACROSS CENTAL AND WESTERN MARION COUNTY. OTHER STRONG STORMS WERE LOCATED FROM ZEPHYRHILLS TO LAKELAND TO 10 MILES EAST OF FORT MEAD AND... FROM THE TOWN OF KISSIMMEE TO LAKE KISSIMMEE. PEOPLE ACROSS EAST CENTRAL FLORIDA SHOULD BE ALERT FOR THE POSSIBILITY OF STRONG WINDS...DANGEROUS CLOUD TO GROUND LIGHTNING AND HAIL AND STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Jul 1, 6:44 PM EDT, 22 minutes before
FLZ017-011-016-012-009-012345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 644 PM EDT THU JUL 1 1993 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MUCH OF THE FLORIDA PENISULA UNTIL 9 PM. AT 640 NATIONAL WEATHER SERVICE RADAR INDICATED ISOLATED THUNDERSTORMS NEAR DELAND AND JUST WEST OF TITUSVILLE. OTHER STRONG TO SEVERE THUNDERSTORMS WERE LOCATED FROM LAKELAND TO LAKE WALES TO 10 MILES NORTHEAST OF SEBRING. ELSEWHERE ACROSS THE REGION A FEW THUNDERSTORMS WERE EMBEDDED IN A LARGE AREA OF RAIN WHICH EXTENDED ACROSS MARION COUNT THE THUNDERSTORMS WERE DRIFTING SLOWLY TO THE SOUTH AT 5 MPH. THESE THUNDERSTORMS WILL BE CAPABLE OF PRODUCING STRONG GUSTY WINDS...DANGEROUS CLOUD TO GROUND LIGHTNING...HEAVY RAIN...AND HAIL. RESIDENTS ACROSS EAST CENTRAL FLORIDA...AND ESPECIALLY RESIDENTS LOCATED IN WESTERN OSCEOLA COUNTY...SHOULD BE ON THE ALERT FOR THESE THUNDERSTORMS AS THEY MOVE ACROSS THE REGION. STAY ALERT TO THE WEATHER BY MONITORING NOAA WEATHER RADIO OR LOCAL MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Jul 1, 6:45 PM EDT, 21 minutes before
FLZ017-011-016-012-009-012345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 644 PM EDT THU JUL 1 1993 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MUCH OF THE FLORIDA PENISULA UNTIL 9 PM. AT 640 NATIONAL WEATHER SERVICE RADAR INDICATED ISOLATED THUNDERSTORMS NEAR DELAND AND JUST WEST OF TITUSVILLE. OTHER STRONG TO SEVERE THUNDERSTORMS WERE LOCATED FROM LAKELAND TO LAKE WALES TO 10 MILES NORTHEAST OF SEBRING. ELSEWHERE ACROSS THE REGION A FEW THUNDERSTORMS WERE EMBEDDED IN A LARGE AREA OF RAIN WHICH EXTENDED ACROSS MARION COUNT THE THUNDERSTORMS WERE DRIFTING SLOWLY TO THE SOUTH AT 5 MPH. THESE THUNDERSTORMS WILL BE CAPABLE OF PRODUCING STRONG GUSTY WINDS...DANGEROUS CLOUD TO GROUND LIGHTNING...HEAVY RAIN...AND HAIL. RESIDENTS ACROSS EAST CENTRAL FLORIDA...AND ESPECIALLY RESIDENTS LOCATED IN WESTERN OSCEOLA COUNTY...SHOULD BE ON THE ALERT FOR THESE THUNDERSTORMS AS THEY MOVE ACROSS THE REGION. STAY ALERT TOn THE WEATHER BY MONITORING NOAA WEATHER RADIO OR LOCAL MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 1:33 PM EDT | Severe Thunderstorm Warning | MLB | Palm Beach | 27 min |
| Jul 1, 3:14 PM EDT | Severe Thunderstorm Warning | MLB | Lake | 46 min |
| Jul 1, 4:45 PM EDT | Severe Thunderstorm Warning | MLB | Marion | 60 min |
| Jul 1, 5:04 PM EDT | Severe Thunderstorm Warning | MLB | Martin, Saint Lucie | 56 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.