Alert archive / Florida / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 42, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at May 4, 2005, 9:50 AM EDT for Lake 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 outline as issued.
The facts
- Issued
- May 4, 2005, 9:50 AM EDT (13:50 UTC)
- Expired
- May 4, 2005, 10:46 AM EDT
- In force
- 56 min
- Issued by
- NWS Melbourne, FL
- Area
- Counties, with a storm outline in the text
County Lake County, FL
The radar
The Tampa radar (KTBW), 129 km from the middle of the area, began a volume at 13:53 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 4, 8:50 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 1.8 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
- 1306 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 636 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 183 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 4.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS52 KMLB 041355
SVRMLB
FLC069-041445-
/O.NEW.KMLB.SV.W.0042.050504T1350Z-050504T1445Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
954 AM EDT WED MAY 4 2005
THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN LAKE COUNTY IN EAST CENTRAL FLORIDA
THIS INCLUDES THE CITIES OF...TAVARES...MOUNT DORA...LISBON...
LEESBURG...LAKE HARRIS...LAKE GRIFFIN...LADY LAKE...THE VILLAGES...
HOWEY IN THE HILLS...EUSTIS...EMERALDA
* UNTIL 1045 AM EDT
* AT 951 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 16
MILES SOUTHWEST OF LEESBURG...OR ABOUT 14 MILES NORTHWEST OF
MASCOTTE...AND MOVING NORTHEAST AT 35 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
FRUITLAND PARK...BASSVILLE PARK AND MID FLORIDA LAKES.
LARGE HAIL...EXCESSIVE LIGHTNING AND DAMAGING WINDS ARE LIKELY. TAKE
COVER IN A STURDY BUILDING UNTIL THE STORM PASSES.
LAT...LON 2871 8226 2855 8217 2883 8151 2905 8164
2895 8198
$$
522 follow-up statements
000
WWUS52 KMLB 041417
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
1016 AM EDT WED MAY 4 2005
FLC069-041445-
/O.CON.KMLB.SV.W.0042.000000T0000Z-050504T1445Z/
LAKE FL-
1016 AM EDT WED MAY 4 2005
...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 1045 AM EDT FOR
NORTHERN LAKE COUNTY...
AT 1015 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER TO GOLF
BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM
WAS LOCATED NEAR OKAHUMPKA...OR ABOUT 5 MILES SOUTHWEST OF
LEESBURG...MOVING NORTHEAST AT 30 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
HAWTHORNE...FRUITLAND PARK...HOWEY IN THE HILLS...LAKE HARRIS...THE
VILLAGES...LADY LAKE...LAKE GRIFFIN...TAVARES...LISBON...
EUSTIS...MOUNT DORA AND UMATILLA.
LARGE HAIL...EXCESSIVE LIGHTNING AND DAMAGING WINDS ARE LIKELY. TAKE
COVER IN A STURDY BUILDING UNTIL THE STORM PASSES.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 PM EDT
WEDNESDAY AFTERNOON FOR EAST CENTRAL FLORIDA.
LAT...LON 2871 8226 2855 8217 2883 8151 2905 8164
2895 8198
$$
52000
WWUS52 KMLB 041446
SVSMLB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
1046 AM EDT WED MAY 4 2005
FLC069-041455-
/O.EXP.KMLB.SV.W.0042.000000T0000Z-050504T1445Z/
LAKE FL-
1046 AM EDT WED MAY 4 2005
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN LAKE COUNTY EXPIRED
AT 1045 AM EDT...
AT 1045 AM EDT NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE
SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS
NO LONGER CAPABLE OF PRODUCING DAMAGING WINDS OR LARGE HAIL. AS A
RESULT...THE WARNING HAS BEEN ALLOWED TO EXPIRE.
HOWEVER...RADAR INDICATED THAT HEAVY RAIN...GUSTY WINDS AND SMALL
HAIL WERE STILL POSSIBLE FROM THE THUNDERSTORM. STAY TUNED TO NOAA
WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST SEVERE WEATHER
INFORMATION.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 PM EDT
WEDNESDAY AFTERNOON FOR EAST CENTRAL FLORIDA.
LAT...LON 2871 8226 2855 8217 2883 8151 2905 8164
2895 8198
$$
52What 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, 9:30 AM EDT, 20 minutes earlier.
Area forecast discussion, May 4, 9:30 AM EDT, 20 minutes before
EAST CENTRAL FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MELBOURNE FL 930 AM EDT WED MAY 4 2005 ...SEVERE THUNDERSTORM WATCH UNTIL 400 PM EDT... .DISCUSSION... UPDATED ZONES FOR SEVERE THUNDERSTORM WATCH 219. ALSO ADDED WEATHER HAZARDS STRONG WINDS...HAIL AND LOCALLY HEAVY RAIN WITH STRONGER STORMS TO ALL ZONES. UPDATING GRAPHICAL HWO TO REFLECT INCREASE WEATHER HAZARDS. && .MARINE...SEVERAL MARINE WARNINGS ALREADY BEEN ISSUED THIS MORNING AS STRONG STORMS MOVED OFF THE MAINLAND AND INTO THE NEAR SHORE WATERS. MORE OF THE SAME FOR THE AFTERNOON AS STORMS INCREASE IN COVERAGE OVERLAND AND MOVE ACROSS THE INTRACOASTAL AND NEARSHORE WATERS. && .MLB WATCHES/WARNINGS/ADVISORIES... SEVERE THUNDERSTORM WATCH 219 UNTIL 400 PM FOR ALL COUNTIES. && SHORT-TERM...GLITTO LONG-TERM...WIMMER
Hazardous weather outlook, May 4, 9:12 AM EDT, 38 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MELBOURNE FL 912 AM EDT WED MAY 4 2005 AMZ550-555-570-575-FLZ041-044>047-053-054-058-059-064-141-144-147- 042000- 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- 912 AM EDT WED MAY 4 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA. .DAY ONE...TODAY AND TONIGHT... ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR ALL OF EAST CENTRAL FLORIDA UNTIL 400 PM... ...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...WHICH WAS ALREADY REPORTED IN DAYTONA BEACH EARLIER TODAY. THERE IS ALSO ADEQUATE WIND SHEAR FOR 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 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 SHOULD MONITOR THE WEATHER. FORMAL ACTIVATION MAY BE NEEDED. CRISTALDI/GLITTO
In the hours before
Special weather statement, May 4, 6:20 AM EDT, 3 hours 30 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, 1 hour 56 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
Local storm report, May 4, 8:40 AM EDT, 1 hour 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
840 AM EDT WED MAY 04 2005
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0830 AM HAIL DAYTONA BEACH 29.21N 81.03W
05/04/2005 1.75 INCH VOLUSIA FL COUNTY OFFICIAL
GOLF BALL HAIL AT MASON AND US1.
0825 AM HAIL DAYTONA BEACH 29.21N 81.03W
05/04/2005 1.00 INCH VOLUSIA FL TRAINED SPOTTER
0825 AM HAIL DAYTONA BEACH 29.21N 81.03W
05/04/2005 1.50 INCH VOLUSIA FL UNKNOWN
PING-PONG BALL HAIL AT EMBRY RIDDLE.
&&
DLJLocal storm report, May 4, 8:53 AM EDT, 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
853 AM EDT WED MAY 04 2005
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0845 AM HAIL DAYTONA BEACH 29.21N 81.03W
05/04/2005 1.00 INCH VOLUSIA FL TRAINED SPOTTER
QUARTER-SIZE HAIL NORTH SIDE OF DAYTONA BEACH.
0840 AM HAIL DAYTONA BEACH 29.21N 81.03W
05/04/2005 1.75 INCH VOLUSIA FL EMERGENCY MNGR
VOLUSIA COUNTY EMERGENCY MANAGEMENT REPORTS HAIL UP TO
GOLFBALL SIZE IN DAYTONA BEACH AND WEST ABOUT HALFWAY TO
DELAND. UP TO 3 INCHES OF HAIL ON THE GROUND IN GRASSY
AREAS. SEVERAL AUTOMOBILE ACCIDENTS IN AREA.
&&
DLJSpecial weather statement, May 4, 9:44 AM EDT, 6 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 944 AM EDT WED MAY 4 2005 FLZ044-041430- NORTHERN LAKE COUNTY- 944 AM EDT WED MAY 4 2005 ...STRONG STORM CAPABLE OF PRODUCING WINDS UP TO 50 MPH AND SMALL HAIL APPROACHING NORTHWEST LAKE COUNTY... AT 943 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STORM CAPABLE OF PRODUCING STRONG WINDS AND SMALL HAIL 20 MILES SOUTHWEST OF LEESBURG...MOVING NORTHEAST AT 30 MPH. LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS AND SMALL HAIL INCLUDE LEESBURG...FRUITLAND PARK AND LADY LAKE. IF THE STORM STRENGTHENS FURTHER...A WARNING WILL BE ISSUED. 52
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, 7:57 AM EDT | Severe Thunderstorm Warning | MLB | Volusia | 48 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, 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.