Alert archive / Florida / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 17, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Jun 1, 2002, 6:12 PM EDT for Orange County, Florida. It was in force for 33 min. 3 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 1, 2002, 6:12 PM EDT (22:12 UTC)
- Expired
- Jun 1, 2002, 6:45 PM EDT
- In force
- 33 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Orange County, FL
The radar
The Melbourne radar (KMLB), 79 km from the middle of the area, began a volume at 22:11 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 1, 6:13 PM EDT | Hail 1 | Orlando Executive Ar, FL | |
| Jun 1, 6:25 PM EDT | Thunderstorm Wind 50 E | Orlando, FL | Thunderstorm winds blew down trees that damaged six mobile homes in the Clear Lake area of Orlando. Trees were also blown down damaging a van in Pine Castel. |
| Jun 1, 6:30 PM EDT | Hail 1 | Orlando, FL | One inch hail was reported in Orlando, and dime size hail was reported in Conway. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Cape Canaveral, FL (KXMR), launched 12:00Z, 10.2 hours before the alert went out and 81 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
- 1286 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 687 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KMLB 012212 SVRMLB FLC095-012245- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 612 PM EDT SAT JUN 1 2002 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL ORANGE COUNTY IN EAST CENTRAL FLORIDA * UNTIL 645 PM EDT. * AT 601 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR AZALEA PARK...MOVING SOUTH AT 5 MPH. * THE SEVERE THUNDERSTORM WILL BE... NEAR ORLANDO AT 640 PM EDT NEAR CONWAY...BELLE ISLE...PINE CASTLE...ORLANDO INTERNATIONAL AIRPORT AT 645 PM EDT 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 2861 8122 2863 8142 2841 8146 2840 8123 MJG
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 Jun 1, 2:30 PM EDT, 3 hours 42 minutes earlier.
Area forecast discussion, Jun 1, 2:30 PM EDT, 3 hours 42 minutes before
EAST CENTRAL FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MELBOURNE FL 230 PM EDT SAT JUN 1 2002 WEAK UPPER LOW OVER THE GULF TO MOVE LITTLE WHILE WEAK PRESSURE PATTERN OVER THE PENINSULA ALLOWS SEA/LAND BREEZE CIRCULATIONS TO DEVELOP ON BOTH COAST NEXT FEW DAYS. DEEP LAYER MOISTURE HAS DECREASED OVER THE PAST 24 HOURS...AND SHOULD DIMINISH A LITTLE FURTHER OVER THE NEXT THROUGH MONDAY AS TAIL END OF MID LEVEL EAST COAST TROUGH SETTLES DOWN THE PENINSULA. SCATTERED STORMS WILL INCREASE IN COVERAGE NEXT SEVERAL HOURS...FAVORING INTERIOR CWA WHERE LOCAL CONVERGENCE WILL BE GREATEST. STEERING FLOW MAY ALLOW LATE AFTERNOON/EVENING DEEP CONVECTION TO ACQUIRE A SSE/SE COMPONENT...BUT EXPECT MINIMAL CHANCE OF STORMS REACHING BACK TO ATLANTIC COAST. SIMILAR DIURNAL PATTERN SUN/MON...BUT WITH EVEN LESS COVERAGE AND WITH FASTER INLAND PENETRATION AS BUILDING MID LEVEL ANTICYCLONE TO THE NORTH RESULTS IN RETURN TO EASTERLY STEERING FLOW. BY MID-LATE WEEK...MEAN LAYER RIDGE MOVES SE OF CWA ALLOWING DEEPER AND INCREASINGLY MOIST SE FLOW TO SURGE BACK TO S/C PENINSULA. TREND TOWARDS INCREASED RAIN CHANCES ALREADY ESTABLISHED IN ZFP FOR MID/LATE WEEK. STEERING FLOW LIKELY TO FAVOR INTERIOR PENINSULA BUT WITH INCREASED MOISTURE LEVELS...EARLY DEVELOPMENT ALONG EAST COAST BREEZE BOUNDARY SHOULD PROVIDE SOME SCATTERED CONVECTION FOR PORTIONS OF THE COASTAL COUNTIES AS WELL. MARINE...GENERAL LIGHT/VARIABLE FLOW WILL CONTINUE INTO EARLY IN THE WEEK. A CHANGE LIKELY BY WEDNESDAY AS SURFACE RIDGE BUILDS OVER THE ATLANTIC AND AXIS EXTENDS WESTWARD TO THE GULF. RESULT WILL BE A RETURN TO E/SE FLOW PATTERN...WITH WIND POSSIBLY APPROACHING EXERCISE CAUTION LEVELS THURSDAY AS WEAKENING SURFACE FRONT DROPS INTO THE SE U.S. AND INCREASES THE GRADIENT. DAB BB 068/091 070/091 070 65121 MCO BB 070/093 071/094 071 65232 MLB BB 071/090 072/090 072 6512- .MLB...NONE. PUBLIC/MARINE...SPRATT AVIATION/FIRE WX...WIMMER
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 5:46 PM EDT | Severe Thunderstorm Warning | MLB | Seminole | 29 min |
| Jun 1, 6:43 PM EDT | Severe Thunderstorm Warning | MLB | Orange | 32 min |
| Jun 1, 6:56 PM EDT | Severe Thunderstorm Warning | MLB | Osceola | 49 min |
| Jun 1, 7:09 PM EDT | Severe Thunderstorm Warning | MLB | Osceola | 36 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.