Alert archive / Florida / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 14, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at May 31, 2002, 12:34 PM EDT for Osceola County, Florida. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 31, 2002, 12:34 PM EDT (16:34 UTC)
- Expired
- May 31, 2002, 1:30 PM EDT
- In force
- 56 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 16:35 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
Cape Canaveral, FL (KXMR), launched 12:00Z, 4.6 hours before the alert went out and 78 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
- 1968 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 774 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
031 WUUS52 KMLB 311634 SVRMLB FLC097-311730- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 1229 PM EDT FRI MAY 31 2002 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN OSCEOLA COUNTY IN EAST CENTRAL FLORIDA * UNTIL 130 PM EDT. * AT 1225 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER EXTREME NORTHEASTERN OSCEOLA COUNTY...OR ABOUT 11 MILES SOUTHWEST OF ROCKLEDGE...MOVING NORTH AT 10 MPH. * THE SEVERE THUNDERSTORM WILL BE... OVER RURAL NORTHEASTERN OSCEOLA COUNTY EAST OF NARCOOSSEE THROUGH 1 PM. THIS STORM WILL CROSS ROUTE 532 BETWEEN 1245 PM AND 1 PM. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MILES AN HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. IF THE STORM APPROACHES YOU...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR. $$ LAT...LON 2813 8096 2816 8086 2835 8087 2835 8106 PB
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.
NWS Melbourne, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at May 31, 9:50 AM EDT, 2 hours 44 minutes earlier.
Area forecast discussion, May 31, 9:50 AM EDT, 2 hours 44 minutes before
EAST CENTRAL FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MELBOURNE FL 950 AM EDT FRI MAY 31 2002 ...ANOTHER ROUND OF STRONG TO SEVERE STORMS... A FAVORABLE SETUP REMAINS IN PLACE FOR STORM DEVELOPMENT THIS AFTERNOON. MORNING SOUNDINGS MODIFIED FURTHER FOR AFTERNOON HEATING YIELDS CAPES AROUND 3500 J/KG WITH LI OF -9. WIND SPEEDS AT STORM LEVEL DOWN TO THE SURFACE HAVE DECREASED FROM THIS TIME YESTERDAY. INITIAL STORM DEVELOPMENT IS LIKELY TO TAKE PLACE ALONG THE EAST COAST SEA BREEZE WITH LOCAL LAKE BREEZES AND CONVECTIVE OUTFLOWS INTERACTING BY EARLY AFTERNOON. IT IS UNCERTAIN IF A LARGE SCALE BREEZE CONVERGENCE OVER THE INTERIOR WILL OCCUR LATE IN THE AFTERNOON. ONSET OF THE WEST COAST SEA BREEZE...OR LACK OF IT MOVING OVER THE INTERIOR WILL FACTOR INTO THE POTENTIAL FOR STRONG TO SEVERE STORM DEVELOPMENT BY LATE AFTERNOON. EXPECTED SLOW STORM MOTIONS WILL INCREASE THE CHANCE OF LOCALLY HEAVY RAIN...WET MICRO BURSTS AND LARGE HAIL ON THE HAZARDOUS OUTLOOK. PRECIP COVERAGE LOOKS GOOD ON CURRENT PACKAGE AND NO ADJUSTMENTS ARE ANTICIPATED ATTM. MARINE...STORMS MOST LIKELY TO AFFECT INTERIOR LOCATIONS BUT THERE IS STILL A CHANCE OF CONVECTIVE WIND GUSTS ALONG THE IMMEDIATE COAST. ACTIVITY ALONG THE TREASURE COAST SHOULD CONTINUE TO DRIFT NORTH THROUGH MIDDAY. OTHERWISE WIND WAVES WILL DOMINATE. .MLB...NONE. PUBLIC/MARINE...PENDERGRAST AVIATION/FIRE WX...SPRATT
In the hours before
Special weather statement, May 31, 10:45 AM EDT, 1 hour 49 minutes before
AMZ550-555-570-575-FLZ041-044>047-053-054-058-059-064-141-144-147- 312100- EAST CENTRAL FLORIDA HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MELBOURNE FL 1045 AM EDT FRI MAY 31 2002 ...STRONG TO SEVERE STORMS THIS AFTERNOON AND EVENING... ...LOCALLY HEAVY RAIN IS POSSIBLE... SCATTERED TO NUMEROUS STORMS SHOULD DEVELOP ALONG SEA AND LAKE BREEZE BOUNDARIES THROUGH THE AFTERNOON AND INTO THE EVENING HOURS. DUE TO WEAK STEERING WINDS THE STRONGER STORMS THAT DEVELOP WILL BE CAPABLE OF PRODUCING LOCALLY HEAVY RAIN UP TO 3 INCHES PER HOUR ALONG WITH GUSTY WINDS AND LARGE HAIL. WITH DRY AIR IN THE MID LEVELS OF THE ATMOSPHERE...A FEW STORMS MAY BECOME SEVERE...PRODUCING LARGE HAIL...DAMAGING WINDS AND EXCESSIVE LIGHTNING. BRIEF TORNADOES OR WATERSPOUTS MAY SPIN UP ALONG THUNDERSTORM BOUNDARIES. PERSONS PLANNING OUTDOOR ACTIVITIES SHOULD ALLOW TIME TO GET INDOORS SHOULD STORMS DEVELOP OR MOVE TO THEIR AREA. LIGHTNING STRIKES MAY OCCUR WELL IN ADVANCE OF ARRIVAL OF THE PRECIPITATION. STANDING WATER ON ROADWAYS WILL CAUSE HAZARDOUS DRIVING CONDITIONS. MOTORISTS SHOULD SLOW DOWN WHEN DRIVING ON SLICK ROADS. SKYWARN NET CONTROLS ARE REQUESTED TO SELF ACTIVATE SHOULD A SEVERE WEATHER WARNING BE ISSUED IN THEIR AREA. THE GRAPHICAL VERSION OF THIS HAZARDOUS WEATHER OUTLOOK IS AVAILABLE AT HTTP://WWW.SRH.NOAA.GOV/MLB/HWOFILES/HWOMAIN.HTML JP
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 12:02 PM EDT | Special Marine Warning | MLB | 118 min | |
| May 31, 12:02 PM EDT | Special Marine Warning | MLB | 118 min | |
| May 31, 3:04 PM EDT | Severe Thunderstorm Warning | MLB | Saint Lucie | 41 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2002Every severe thunderstorm warning in 2002
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.