Alert archive / Florida / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 41, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at May 4, 2005, 7:57 AM EDT for Volusia County, Florida. It was in force for 48 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
- May 4, 2005, 7:57 AM EDT (11:57 UTC)
- Expired
- May 4, 2005, 8:45 AM EDT
- In force
- 48 min
- Issued by
- NWS Melbourne, FL
- Area
- Counties, with a storm outline in the text
County Volusia County, FL
The radar
The Melbourne radar (KMLB), 120 km from the middle of the area, began a volume at 12:00 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
Jacksonville, FL (KJAX), launched 00:00Z, 12.0 hours before the alert went out and 164 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1956 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- -48 m²/s²
- 0-3 km storm-relative helicity
- 16 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 041153 SVRMLB FLC127-041245- /O.NEW.KMLB.SV.W.0041.050504T1157Z-050504T1245Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 757 AM EDT WED MAY 4 2005 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN VOLUSIA COUNTY IN EAST CENTRAL FLORIDA THIS INCLUDES THE CITIES OF...SOUTH DAYTONA...PORT ORANGE...PONCE INLET...NEW SMYRNA BEACH...DE LEON SPRINGS...DE LAND...DAYTONA BEACH * UNTIL 845 AM EDT * AT 752 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM. THIS STORM WAS LOCATED NEAR DE LAND...AND MOVING EAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... DAYTONA BEACH INTL SPEEDWAY AND DAYTONA BEACH SPEEDWAY BY 820 AM EDT PORT ORANGE AND SOUTH DAYTONA BY 825 AM EDT 7 MILES SOUTH OF DAYTONA BEACH BY 830 AM EDT WILBUR BY THE SEA...PONCE INLET AND 7 MILES NORTH OF NEW SMYRNA BEACH BY 835 AM EDT SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MILES AN HOUR AND OR LARGE DESTRUCTIVE HAIL. FREQUENT TO EXCESSIVE LIGHTNING AND VERY HEAVY RAIN WILL ALSO BE POSSIBLE. IF THE STORM APPROACHES YOU...SEEK SHELTER IN AN ENCLOSED BUILDING ON THE LOWEST FLOOR. KEEP AWAY FROM WINDOWS. DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM. WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A SMALL INTERIOR ROOM. LAT...LON 2912 8142 2895 8138 2905 8072 2929 8078 $$ CRISTALDI
2 follow-up statements
000 WWUS52 KMLB 041213 SVSMLB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 816 AM EDT WED MAY 4 2005 FLC127-041245- /O.CON.KMLB.SV.W.0041.000000T0000Z-050504T1245Z/ VOLUSIA FL- 816 AM EDT WED MAY 4 2005 ...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 845 AM EDT FOR NORTHERN VOLUSIA COUNTY... AT 809 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR DAYTONA HIGHRIDGE ESTATES...OR ABOUT 6 MILES NORTHEAST OF DE LAND...MOVING NORTHEAST AT 25 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... DAYTONA BEACH SPEEDWAY AND SPRUCE CREEK BY 825 AM EDT SOUTH DAYTONA AND PORT ORANGE BY 830 AM EDT DAYTONA BEACH AND ALLANDALE BY 835 AM EDT WILBUR BY THE SEA BY 840 AM EDT DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM. WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A SMALL INTERIOR ROOM. LAT...LON 2912 8142 2895 8138 2905 8072 2929 8078 $$ CRISTALDI
000 WWUS52 KMLB 041230 SVSMLB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 834 AM EDT WED MAY 4 2005 FLC127-041245- /O.CON.KMLB.SV.W.0041.000000T0000Z-050504T1245Z/ VOLUSIA FL- 834 AM EDT WED MAY 4 2005 ...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 845 AM EDT FOR NORTHERN VOLUSIA COUNTY... AT 831 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR DAYTONA BEACH...MOVING NORTHEAST AT 25 MPH. WEATHER SERVICE DOPPLER RADAR INDICATES THAT THIS STORM WILL PRODUCE LARGE HAIL AT DAYTONA BEACH INTERNATIONAL AIRPORT AND DAYTONA BEACH. AT 832 AM...AN EMBRY RIDDLE STUDENT REPORTED PING PONG BALL SIZE HAIL AND ESTIMATED 70 MPH WINDS. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. LAT...LON 2912 8142 2895 8138 2905 8072 2929 8078 $$ 15
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 4, 3:05 AM EDT, 4 hours 52 minutes earlier.
Area forecast discussion, May 4, 3:05 AM EDT, 4 hours 52 minutes before
EAST CENTRAL FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MELBOURNE FL 305 AM EDT WED MAY 4 2005 .DISCUSSION... ...A WET COUPLE DAYS COMING UP WITH STRONG STORMS POSSIBLE... MODEL OF CHOICE WILL BE GFS FOR FRONTAL BDRY POSN...ALBEIT WITH A WEAKER SFC SOLN...RESULTING IN WINDS NOT BEING NEARLY AS STRONG OVER THE ATLC. CURRENTLY...A SULTRY MORNING IS IN PROGRESS AREAWIDE WITH MAIONLY L70S TEMPS (SOME U60S NORTH). SFC OBS/ADAS ANLYS INDICATE THAT HUNG UP FRONTAL BDRY IS STILL EITHER NEAR OR SOUTH OF LAKE OKEE. RECENT REGNERATION OF CONVECTIVE ECHOES ACROSS THE NRN CWA IS A RESULT OF STRONG H25 JET FORCING COUPLED WITH AN ALMOST SUMMER LIKE AIR MASS IN PLACE OVER THE SOUTHERN HALF OF THE STATE. TODAY/TONIGHT...HIGH MEAN PWAT AIR WILL OVERSPREAD REMAINDER OF THE CWA TODAY AS STRONG H25 DIVG SITS ATOP CTRL FL. ADD IN THE HIGH SUN ANGLE OF EARLY MAY...AND WITH SUCH A COMBINATION PLACE...IT WONT TAKE LONG AT ALL FOR CONVECTION TO DEVELOP TODAY. DONT SEE A REASON WHY ANY AREAS WOULD GET LEFT OUT OF THE ACTION TODAY...AND AS SUCH HAVE RUNG UP A 90 POP AREAWIDE TODAY WITH LIKELY POPS CONTINUING TONIGHT (MAINLY BEFORE 06Z) AS RESIDUAL DIURNAL INSTABILITY SHOULD TAKE A WHILE TO GET USED UP. W/R/T STRONG/SVR POTENTIAL...H50 TEMPS WILL AVG -11/-12C...PRETTY SIMILAR TO TUE. WILL NEED TO MAINTAIN LOW-MOD LOCAL THREATS FOR HAIL AND WIND (WITH HAIL THE MORE SIG SVR THREAT) IN THE (G)HWO SUITE... WITH POTENTIAL FOR TEMPORARY FLOODING FROM STORMS AS WELL. THU-FRI...SURFACE LOW PRESSURE CENTERED NEAR THE CAPE WILL TRACK NORTHEAST THROUGH THE COASTAL WATERS. SUFFICIENT DEEP LAYER MOISTURE WILL GENERATE SHOWER ACTIVITY THROUGHOUT THE DAY...WITH AN INCREASING THREAT DURING THE AFTERNOON. EAST COAST SEA BREEZE WILL TAP INTO ANTECEDENT SURFACE MOISTURE AND INTERACT WITH THE ADVANCING TROUGH AXIS. SIGNIFICANT COOLING AND DRYING IN THE MID-LEVELS WILL LIKELY PRODUCE STRONG TO SEVERE THUNDERSTORMS. 500 MB TEMPERATURES AS COLD AS -14C WILL PROMOTE HAIL DEVELOPMENT AND STORMS CAPABLE OF PRODUCING DAMAGING WINDS. CONDITIONS WILL IMPROVE OVERNIGHT AS THE LOW MOVES NORTHEAST ALONG THE GULF STREAM AND FARTHER AWAY FROM THE PENINSULA. RESIDUAL MOISURE MAY RESULT IN SOME EARLY MORNING SHOWERS FRIDAY BUT THE GENERAL TREND WILL BE TOWARDS A DRIER AND MORE STABLE AIR MASS. SAT-TUE...STRONG RIDGE WILL BUILD ACROSS THE EASTERN HALF OF THE COUNTRY BEHIND THE DEPARTING LOW. SURFACE HIGH PRESSURE CENTERED JUST NORTH OF THE REGION WILL SLIDE INTO THE WESTERN ATLANTIC PRODUCING AN EXTENDED PERIOD OF ONSHORE FLOW...COOLER THAN AVERAGE TEMPERATURES AND RAIN-FREE CONDITIONS. && .MARINE...FRONTAL BOUNDARY WILL SEPARATE NORTHEASTERLY WINDS NORTH OF COCOA BEACH FROM SOUTHEASTERLY WINDS ACROSS THE SOUTHERN LEG BY THIS AFTERNOON. FLOW TONIGHT WILL STRENGTHEN LOCALLY IN THE VICINITY OF CONVECTION MOVING OFFSHORE AND AROUND THE PERIPHERY OF THE DEEPENING SURFACE LOW AFTER MIDNIGHT. SEAS WILL BUILD TONIGHT...SUBSIDE THROUGH THE END OF WEEK AND THEN BUILD AGAIN SATURDAY AS THE STORM SYSTEM MOVES INTO THE NORTH ATLANTIC. && .PRELIMINARY POINT TEMPS/POPS... DAB 79 68 78 64 / 90 60 50 40 MCO 83 65 82 64 / 90 60 50 40 MLB 81 69 82 66 / 90 60 60 50 VRB 82 68 83 68 / 90 60 60 50 && .MLB WATCHES/WARNINGS/ADVISORIES...NONE. && SHORT-TERM...CRISTALDI LONG-TERM...HIRSCH
Hazardous weather outlook, May 4, 6:30 AM EDT, 1 hour 27 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE OFFICE MELBOURNE FL 630 AM EDT WED MAY 4 2005 AMZ550-555-570-575-FLZ041-044>047-053-054-058-059-064-141-144-147- 051000- 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- 630 AM EDT WED MAY 4 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA. .DAY ONE...TODAY AND TONIGHT... ...WIDESPREAD COVERAGE OF SHOWERS AND STORMS TODAY WITH SOME STRONG TO SEVERE STORMS POSSIBLE... ...THUNDERSTORM IMPACT... A VERY MOIST AIR MASS WILL REMAIN IN PLACE ACROSS EAST CENTRAL FLORIDA THROUGH TONIGHT. THE COMBINATION OF DEEP MOISTURE...LIFT FROM STRONG JET STREAM WINDS...AND THE HIGH MAY SUN ANGLE...WILL LEAD TO RAPID FORMATION OF SHOWERS AND STORMS ACROSS EAST CENTRAL FLORIDA. COOLER THAN AVERAGE MID LEVEL TEMPERATURES WILL ALLOW SOME OF THE STORMS TO CONTAIN LARGE HAIL...AND POSSIBLY BRIEF DAMAGING WIND GUSTS OR A BRIEF TORNADO TOUCHDOWN. OF COURSE...ANY FLORIDA LIGHTNING STORM CAN BE A KILLER...SO YOU SHOULD ALWAYS SEEK SHELTER WELL IN ADVANCE OF STORMS. ...FLOOD IMPACT... VERY HEAVY RAINFALL TOTALS OF ONE TO THREE INCHES WILL BE COMMON IN THE MORE INTENSE STORMS...WHICH WOULD BE ENOUGH TO CAUSE SOME TEMPORARY INUNDATION OF SOME ROADS AND LOW LYING POORLY DRAINED AREAS. REMEMBER NOT TO DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. ...MARINE THUNDERSTORM GUST IMPACT... STORMS WILL MOVE FROM WEST TO EAST ACROSS EAST CENTRAL FLORIDA...AND THEN OFFSHORE INTO THE ATLANTIC WATERS. STRONG GUSTY WINDS...HAIL... LOCALLY CONFUSED SEAS...AND POSSIBLE EVEN A WATERSPOUT...MAY ACCOMPANY THE MOST INTENSE STORMS TODAY. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY... ANOTHER ROUND OF SHOWERS AND STORMS IS EXPECTED ON THURSDAY...BEFORE A DRIER AIR MASS PUSHES INTO EAST CENTRAL FLORIDA. CONDITIONS WILL REMAIN FAVORABLE FOR STRONG TO SEVERE STORMS TO DEVELOP THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE REQUESTED TO MONITOR THE WEATHER AND SELF ACTIVATE IF NEEDED. CRISTALDI
In the hours before
Special weather statement, May 4, 6:20 AM EDT, 1 hour 37 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 620 AM EDT WED MAY 4 2005 FLZ046-041100- SEMINOLE- 620 AM EDT WED MAY 4 2005 ...COMPACT...INTENSE STORM CAPABLE OF PRODUCING SMALL HAIL OVER SEMINOLE COUNTY... AT 617 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STORM CAPABLE OF PRODUCING SMALL HAIL OVER MAITLAND AND FERN PARK... MOVING NORTHEAST AT 25 MPH. LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE SMALL HAIL INCLUDE WINTER SPRINGS...GENEVA AND MIDWAY. CRISTALDI
Special weather statement, May 4, 7:54 AM EDT, 3 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 754 AM EDT WED MAY 4 2005 FLZ041-141-041245- COASTAL VOLUSIA COUNTY-INLAND VOLUSIA COUNTY- 754 AM EDT WED MAY 4 2005 ...STRONG STORM CAPABLE OF PRODUCING WINDS UP TO 50 MPH AND SMALL HAIL CENTRAL VOLUSIA COUNTY... AT 747 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STORM CAPABLE OF PRODUCING STRONG WINDS AND SMALL HAIL 6 MILES SOUTHWEST OF DE LEON SPRINGS...MOVING EAST AT 30 MPH. LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS AND SMALL HAIL INCLUDE DAYTONA BEACH...ORANGE CITY...AND PONCE INLET. IF THE STORM STRENGTHENS FURTHER...A WARNING WILL BE ISSUED. CRISTALDI
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 6:40 AM EDT | Special Marine Warning | MLB | 95 min | |
| May 4, 8:10 AM EDT | Special Marine Warning | MLB | 95 min | |
| May 4, 8:19 AM EDT | Special Marine Warning | MLB | 116 min | |
| May 4, 9:44 AM EDT | Special Marine Warning | MLB | 61 min | |
| May 4, 9:50 AM EDT | Severe Thunderstorm Warning | MLB | Lake | 56 min |
| May 4, 11:13 AM EDT | Special Marine Warning | MLB | 62 min | |
| May 4, 12:35 PM EDT | Severe Thunderstorm Warning | MLB | Volusia | 40 min |
| May 4, 12:37 PM EDT | Special Marine Warning | MLB | 113 min | |
| May 4, 12:40 PM EDT | Tornado Warning | MLB | Volusia | 35 min |
| May 4, 4:27 PM EDT | Special Marine Warning | MLB | 63 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2005Every severe thunderstorm warning in 2005
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.