Alert archive / Florida / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 75, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Jul 6, 2004, 5:02 PM EDT for Brevard County, Florida. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 6, 2004, 5:02 PM EDT (21:02 UTC)
- Expired
- Jul 6, 2004, 5:45 PM EDT
- In force
- 43 min
- Issued by
- NWS Melbourne, FL
- Area
- Counties, with a storm outline in the text
County Brevard County, FL
The radar
The Melbourne radar (KMLB), 44 km from the middle of the area, began a volume at 21:03 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Cape Canaveral, FL (KXMR), launched 12:00Z, 9.0 hours before the alert went out and 27 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
- 2588 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 716 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KMLB 062102 SVRMLB FLC009-062145- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 502 PM EDT TUE JUL 6 2004 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN BREVARD COUNTY IN EAST CENTRAL FLORIDA * UNTIL 545 PM EDT * AT 458 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER TITUSVILLE AIRPORT...OR ABOUT 2 MILES NORTHWEST OF TITUSVILLE AIRPORT...MOVING SOUTHEAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE... NEAR PORT SAINT JOHN AT 520 PM EDT NEAR SHARPES AT 530 PM EDT NEAR COCOA...MERRITT ISLAND...ROCKLEDGE AT 545 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. EXCESSIVE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING TELEPHONES UNLESS IT IS AN EMERGENCY. LAT...LON 2864 8080 2858 8090 2828 8076 2834 8061 $$
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 Jul 6, 2:17 PM EDT, 2 hours 45 minutes earlier.
Area forecast discussion, Jul 6, 2:17 PM EDT, 2 hours 45 minutes before
EAST CENTRAL FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MELBOURNE FL 217 PM EDT TUE JUL 6 2004 .DISCUSSION... CONVECTION HAS BEEN LATER TO GET UNDERWAY THIS AFTERNOON THAN PAST FEW DAYS. EAST COAST SEA BREEZE FORMATION IS SO FAR CONFINED TO FAR SOUTHERN CWA. 15Z CAPE SOUNDING INDICATES LOW LEVEL WESTERLY FLOW A BIT HIGHER WHICH IS HELPING DELAY THE FORMATION...BUT WILL NOT BE ENOUGH TO INHIBIT IT COMPLETELY. THROUGH TONIGHT...COVERAGE OF STORMS SHOULD INCREASE LATE THIS AFTERNOON AS MORE BOUNDARY INTERACTIONS OCCUR. FLOW IN THE H85-H5 LAYER STILL QUITE WEAK AND MODELS INDICATE MEAN STEERING THROUGH THIS LAYER WILL BE TOWARD THE S-SW AND HAVE PENCILED IN SLIGHTLY HIGHER POPS OVER THE INTERIOR THAN E COAST. FREQUENT LIGHTNING AND HEAVY DOWNPOURS PRIMARY THREATS WITH THESE STORMS BUT SUFFICIENTLY INSTABILITY EXISTS AGAIN FOR A FEW STRONG/MARGINAL SEVERE STORMS ALONG BOUNDARY COLLISIONS LATE AFTERNOON THROUGH EARLY EVENING. WED-FRI...THE RIDGE AXIS CURRENTLY SUPPRESSED SOUTHWARD BY TROUGH MOVING OFF THE EASTERN SEA BOARD WILL REMAIN SOUTH OF THE FORECAST AREA INTO THE END OF THE WORK WEEK. RESULTING WESTERLY FLOW WILL BE LIGHT SO THE SEA BREEZE WILL BE ABLE TO FORM ALBEIT SOMEWHAT DELAYED FROM USUAL MIDDAY FORMATION. THIS SHOULD FAVOR THE EASTERN PORTION OF THE PENINSULA FOR PCPN DURING BOTH INITIAL SEA BREEZE BOUNDARY FORMATION AND AND LATE AFTERNOON ACTIVITY THAT MOVES EAST FROM INLAND SECTIONS. WILL STAY WITHIN THE SCATTERED RANGE FOR SHOWERS AND STORMS. FRIDAY RIDGE AXIS BEGINS TO LIFT BACK NORTHWARD AND GREATEST RAIN CHANCES CAN BE EXPECTED OVER THE INTERIOR WHERE BOUNDARY INTERACTIONS WILL BE MOST NUMEROUS DURING THE AFTERNOON. SHOULD BE A CONTINUATION OF SLOW MOVING STORMS WITH LOCALLY HEAVY RAIN. EXTENDED...RIDGE AXIS LIFTS INTO N FL SAT WITH A WEAK TROPICAL WAVE MOVING BY SOUTH OF THE RIDGE. ONSHORE FLOW REGIME ACROSS THE AREA WITH HIGH MOISTURE WILL ALLOW FOR SCT PCPN DURING THE WEEKEND. THIS SHOULD GIVE SOUTHERN COASTAL AREAS SOME MORNING RAIN CHANCES BEFORE AFTERNOON CONVECTIVE INITIATION OCCURS INLAND ALONG THE SEA BREEZE. THE LOW LEVEL RIDGE AXIS LOOKS TO REMAIN OVER CENTRAL FLORIDA EARLY NEXT WEEK. GFS SHOWING ANOTHER MORE POTENT WAVE APPROACHING FROM THE TROPICAL ATLANTIC TOWARD THE MIDDLE OF NEXT WEEK. SEE NO NEED TO VARY POPS FROM SCT COVERAGE EACH DAY. && .MARINE...FORECAST DEPENDANT ON POSITION OF RIDGE AXIS. WITH AXIS REMAINING SOUTH OF THE AREA NEXT COUPLE OF DAYS WILL SPLIT FORECAST COASTAL -VS- OFFSHORE TO ACCOUNT FOR BOTH SEA BREEZE AND FETCH PROTECTION. MAIN BOATING CONCERN WILL BE ISOLATED STORMS/OUTFLOW BOUNDARY GUSTS NEAR SHORE THE NEXT FEW DAYS. && .PRELIMINARY POINT TEMPS/POPS... DAB 75 93 73 92 / 20 30 20 40 MCO 74 94 73 93 / 30 40 20 40 MLB 75 92 74 91 / 20 40 20 40 VRB 73 92 74 91 / 20 40 20 40 && .MLB WATCHES/WARNINGS/ADVISORIES...NONE. && SHORT TERM...GLITTO LONG TERM...PENDERGRAST
Hazardous weather outlook, Jul 6, 10:52 AM EDT, 6 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MELBOURNE FL 1052 AM EDT TUE JUL 6 2004 AMZ550-555-570-575-FLZ041-044>047-053-054-058-059-064-141-144-147- 062000- COASTAL VOLUSIA-COCOA BEACH TO JUPITER INLET 20 NM TO 60 NM OFFSHORE- COCOA BEACH TO JUPITER INLET OUT TO 20 NM- FLAGLER BEACH TO COCOA BEACH 20 NM TO 60 NM OFFSHORE- FLAGLER BEACH TO COCOA BEACH OUT TO 20 NM-INDIAN RIVER- INLAND VOLUSIA-MARTIN-NORTHERN BREVARD-NORTHERN LAKE-OKEECHOBEE- ORANGE-OSCEOLA-SEMINOLE-SOUTHERN BREVARD-SOUTHERN LAKE-ST. LUCIE- 1052 AM EDT TUE JUL 6 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA. .DAY ONE... ...THUNDERSTORM IMPACT... THE EAST COAST SEA BREEZE WILL BEGIN TO FORM NEAR THE COAST EARLY THIS AFTERNOON. STORMS WILL INITIALLY DRIFT SOUTH ALONG THIS BOUNDARY THEN BEGIN TO DRIFT MORE SOUTHWEST BY LATE AFTERNOON AND THIS EVENING. ABUNDANT LOW LEVEL MOISTURE...DAYTIME HEATING AND BOUNDARIES FROM SEA BREEZES AND OUTFLOWS WILL ALLOW SCATTERED STORMS...A FEW STRONG...TO DEVELOP. THE GREATEST COVERAGE OF STORMS IS EXPECTED TO OCCUR OVER THE INTERIOR SECTIONS DURING THE LATE AFTERNOON HOURS. THE STRONGEST STORMS MAY PRODUCE WIND GUSTS FROM 40 TO 60 MPH...HAIL UP TO THE SIZE OF A COIN AND FREQUENT TO EXCESSIVE LIGHTNING. ...FLOOD IMPACT... SLOW MOVING AFTERNOON STORMS WILL DRIFT SOUTH TO SOUTHWEST AND PRODUCE LOCALLY HEAVY RAINFALL AMOUNTS WHICH MAY EXCEED 2 TO 3 INCHES IN SPOTS. THIS WILL CAUSE STANDING WATER ON ROADS AND IN LOW LYING AREAS...MAKING DRIVING HAZARDOUS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY... SCATTERED THUNDERSTORMS WITH VERY HEAVY RAIN AND CLOUD TO GROUND LIGHTNING STRIKES WILL BE THE MAIN HAZARDS EACH AFTERNOON. INTERIOR SECTIONS WILL HAVE THE HIGHEST COVERAGE OF LATE AFTERNOON STORMS. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE REQUESTED TO MONITOR THE WEATHER AND SELF ACTIVATE IF NEEDED. GLITTO
In the hours before
Special weather statement, Jul 6, 4:31 PM EDT, 31 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 431 PM EDT TUE JUL 6 2004 FLZ147-062115- NORTHERN BREVARD COUNTY- 431 PM EDT TUE JUL 6 2004 ...STRONG STORM CAPABLE OF PRODUCING WIND GUSTS 40 TO 50 MPH OVER NORTHERN BREVARD COUNTY... AT 425 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STORM CAPABLE OF PRODUCING STRONG WIND GUSTS OVER MIMS...MOVING SOUTH AT 10 MPH. LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS INCLUDE TITUSVILLE AND CANAVERAL GROVES.
Special weather statement, Jul 6, 4:44 PM EDT, 18 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 444 PM EDT TUE JUL 6 2004 FLZ147-062130- NORTHERN BREVARD COUNTY- 444 PM EDT TUE JUL 6 2004 ...STORMS WITH EXCESSIVE LIGHTNING OVER NORTHERN BREVARD COUNTY... AT 437 PM EDT...NATIONAL WEATHER SERVICE LIGHTNING DETECTION EQUIPMENT INDICATED A STORM WITH EXCESSIVE LIGHTNING OVER MIMS... MOVING SOUTH AT 5 MPH. IF YOU ARE OUTDOORS...TAKE SHELTER IN A BUILDING OR ENCLOSED AUTOMOBILE. TREES AND OPEN SHELTERS FOUND ON A BEACH OR GOLF COURSE OFFER NO PROTECTION. BOATERS ON THE OPEN WATER ARE ESPECIALLY VULNERABLE TO THE DANGERS OF LIGHTNING. GET TO SAFE HARBOR AT THE FIRST SIGN OF A LIGHTNING STORM THEN SEEK SHELTER IN A BUILDING OR ENCLOSED VEHICLE AS QUICKLY AS POSSIBLE. CONSTRUCTION WORKERS SHOULD SEEK SHELTER IN ENCLOSED VEHICLES. DO NOT PUSH YOUR LUCK BY TRYING TO FINISH THE JOB WHILE THE STORM APPROACHES. 28
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 4:35 PM EDT | Special Marine Warning | MLB | 55 min | |
| Jul 6, 6:19 PM EDT | Severe Thunderstorm Warning | MLB | Orange | 41 min |
| Jul 6, 6:45 PM EDT | Severe Thunderstorm Warning | MLB | Okeechobee | 30 min |
| Jul 6, 7:11 PM EDT | Severe Thunderstorm Warning | MLB | Osceola | 34 min |
| Jul 6, 7:48 PM EDT | Severe Thunderstorm Warning | MLB | Osceola | 42 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2004Every severe thunderstorm warning in 2004
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.