Alert archive / Florida / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 12, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Mar 22, 2005, 1:47 PM EST for Volusia County, Florida. It was in force for 58 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
- Mar 22, 2005, 1:47 PM EST (18:47 UTC)
- Expired
- Mar 22, 2005, 2:45 PM EST
- In force
- 58 min
- Issued by
- NWS Melbourne, FL
- Area
- Counties, with a storm outline in the text
County Volusia County, FL
The radar
The Jacksonville radar (KJAX), 140 km from the middle of the area, began a volume at 18:51 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, 6.8 hours before the alert went out and 113 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
- 1302 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 571 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 161 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 4.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KMLB 221850 SVRMLB FLC127-221945- /O.NEW.KMLB.SV.W.0012.050322T1847Z-050322T1945Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 147 PM EST TUE MAR 22 2005 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EXTREME NORTH CENTRAL VOLUSIA COUNTY IN EAST CENTRAL FLORIDA THIS INCLUDES THE CITY OF ORMOND BEACH * UNTIL 245 PM EST * AT 144 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS STORM WAS LOCATED NEAR ORMOND BY THE SEA...OR ABOUT 6 MILES NORTHWEST OF ORMOND BEACH...AND MOVING NORTHEAST AT 15 MPH. 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. LARGE HAIL...EXCESSIVE LIGHTNING AND DAMAGING WINDS ARE LIKELY. TAKE COVER IN A STURDY BUILDING UNTIL THE STORM PASSES. LAT...LON 2935 8125 2921 8115 2926 8093 2945 8108 $$ 52
2 follow-up statements
000 WWUS52 KMLB 221903 SVSMLB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 202 PM EST TUE MAR 22 2005 FLC127-221945- /O.CON.KMLB.SV.W.0012.000000T0000Z-050322T1945Z/ VOLUSIA FL- 202 PM EST TUE MAR 22 2005 ...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 245 PM EST FOR EXTREME NORTHEAST VOLUSIA COUNTY... AT 201 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL TO QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR ORMOND BY THE SEA...OR ABOUT 7 MILES NORTHEAST OF ORMOND BEACH...MOVING NORTHEAST AT 25 MPH. DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM. WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. LAT...LON 2938 8119 2925 8116 2926 8093 2945 8108 $$ 52
000 WWUS52 KMLB 221922 SVSMLB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 219 PM EST TUE MAR 22 2005 FLC127-221929- /O.CAN.KMLB.SV.W.0012.000000T0000Z-050322T1945Z/ VOLUSIA FL- 219 PM EST TUE MAR 22 2005 ...THE SEVERE THUNDERSTORM WARNING FOR EXTREME NORTH CENTRAL VOLUSIA COUNTY IS CANCELLED... AT 219 PM EST NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE SEVERE THUNDERSTORM HAD EXITED THE WARNED AREA AND MOVED OVER THE COASTAL WATERS...THUS THE WARNING HAS BEEN CANCELLED. HOWEVER...ADDITIONAL STORMS ARE EXPECTED TO INTENSIFY DURING THE REMAINDER OF THE AFTERNOON...AND ADDITONAL STATEMENTS AND POSSIBLE WARNINGS MAY BE ISSUED. PERSONS IN EAST CENTRAL FLORIDA SHOULD KEEP A CLOSE WATCH ON THE WEATHER AND BE READY TO TAKE QUICK COVER IF STORMS APPROACH. LAT...LON 2938 8119 2925 8116 2926 8093 2945 8108 $$ 52
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 Mar 22, 9:40 AM EST, 4 hours 7 minutes earlier.
Area forecast discussion, Mar 22, 9:40 AM EST, 4 hours 7 minutes before
EAST CENTRAL FLORIDA FORECAST DISCUSSION...ADDED MARINE SECTION NATIONAL WEATHER SERVICE OFFICE MELBOURNE FL 940 AM EST TUE MAR 22 2005 .DISCUSSION... ...SEVERE STORMS WITH LARGE HAIL POSSIBLE TODAY... ONGOING CONVECTION N OF FCST AREA DVLOPING ALONG WRM FNT. SFC FEATURE SHOULD LIFT FURTHER N AS UPSTREAM UPPER LOW PROGRESSES EWD. SOME LOW CLDS AND LGT FOG EARLY THIS MORNING...BUT WE LACK THE HIGH CLOUDS/CONVECTIVE DEBRIS THAT CUT THE HEATING YSTRDY. SO EXPECT MORE DIURNAL INFLUENCES TO CONVECTION TODAY. MORNING 12Z SNDGS ARE STARTING OUT VERY UNSTABLE WITH STEEP MID LVL LAPSE RATES. SBCAPE VALUES BETWEEN 2000-3000J WITH EXPECTED DIURNAL HEATING. THESE VALUES MAY BE A BIT ON THE HIGH SIDE AS ETA12 MDL SNDGS SHOW A BIT OF WARMING OCCURRING IN THE COLUMN ALOFT. STILL VERY RESPECTABLE WITH LOW 70S SFC DEW PTS AND -12 TO -13 AT H5. IN ADDITION HEALTHY 40KT MID LVL WNDS AND LOW LEVEL DIRECTIONAL SHEAR WILL SUPPORT ORGANIZED STORM ROTATION. ONLY LACKING FEATURE IS A WELL DEFINED AND SINGLE LOW LVL FOCUS OR BNDRY. OLD PREXISTING MESOSCALE BNDRYS AND DIFFERENTIAL HEATING IN LAKE INTERFACES SHOULD PROVIDE FOCUS HOWEVER. WHILE OFFSHORE FLOW ABV SFC AND RELATIVELY QUICK CU DVLPMENT SHOULD MITIGATE FULL SEA BREEZE DEVELOPMENT...ANY BACKING WINDS IN COASTAL ZONE WILL ADD TO STORM ROTATION/SVR THREAT. PRIMARY CONCERN WILL REMAIN HAIL/STRONG WIND HOWEVER DUE TO COLD AIR ALOFT AND STEEP MID LVL LAPSE RATES. WILL UPDATE HWO TO INC THREAT. && .MARINE...S/SE WINDS WILL INCREASE THIS AFTERNOON AS GRADIENT FLOW TIGHTENS INTO TONIGHT. WIND WAVES ON THE ORDER OF 3 FEET NEAR SHORE AND 4 TO 5 FEET OFFSHORE. WINDS AND SEAS WILL BE LOCALLY HIGHER NEAR THUNDERSTORMS MOVING OFFSHORE. THERE IS A DECENT LIKELIHOOD OF MARINE WIND GUSTS EXCEEDING 35 KNOTS IN SCATTERED STRONG STORMS CONTAINING FREQUENT CLOUD TO WATER LIGHTNING MOVING OFFSHORE LATER THIS AFTERNOON. && BLOTTMAN/JP
Hazardous weather outlook, Mar 22, 10:02 AM EST, 3 hours 45 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE OFFICE MELBOURNE FL 1002 AM EST TUE MAR 22 2005 AMZ550-555-570-575-FLZ041-044>047-053-054-058-059-064-141-144-147- 230102- 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- 1002 AM EST TUE MAR 22 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA. .DAY ONE... ...THUNDERSTORM IMPACT... A VERY UNSTABLE AIR MASS EXISTS OVER CENTRAL FLORIDA TODAY. AS DAYTIME HEATING CONTINUES...THE ATMOSPHERE WILL FURTHER DESTABILIZE AND LIGHTNING STORMS WILL BEGIN TO DEVELOP BY EARLY AFTERNOON. COLD TEMPERATURES ALOFT AND STRONG MID LEVEL WINDS WILL MEAN THAT A FEW STORMS WILL BECOME WELL ORGANIZED. THE PRIMARY HAZARD FROM STORMS THAT DEVELOP WILL BE THEIR POTENTIAL TO PRODUCE LARGE AND DESTRUCTIVE HAIL. IN ADDITION...THE STRONGER STORMS WILL PRODUCE DAMAGING WINDS. DEADLY CLOUD TO GROUND OR CLOUD TO WATER LIGHTNING WILL BE A THREAT FROM ANY STORMS THAT DEVELOP. WHILE A WELL DEVELOPED SEA BREEZE IS NOT EXPECTED TODAY...ANY DEVELOPMENT OF THE BREEZE BOUNDARY WILL SIGNIFICANTLY INCREASE THE SEVERE STORM THREAT NEAR AND ALONG THE COASTAL AREAS. THE ADDITIONAL SHEAR PROVIDED BY ANY BOUNDARY DEVELOPMENT WILL ALSO MEAN THERE IS A THREAT FOR AN ISOLATED TORNADO. ...FLOOD IMPACT... WIDESPREAD RAIN IN RECENT DAYS HAS LEFT MUCH OF THE GROUND OVER EAST CENTRAL FLORIDA NEAR SATURATION. ADDITIONAL HEAVY RAIN IN THESE AREAS WILL RESULT IN MINOR FLOODING OF LOW LYING AND POOR DRAINAGE AREAS. STANDING WATER ON ROADWAYS WILL CREATE A DRIVING HAZARD... DRIVERS ARE URGED TO USE CAUTION. ...MARINE THUNDERSTORM GUST IMPACT... STRONG WEST-SOUTHWESTERLY WINDS ALOFT WILL PUSH STORMS THAT DEVELOP OVER LAND OFF THE ATLANTIC COAST FAIRLY RAPIDLY. THESE OFFSHORE MOVING THUNDERSTORMS WILL POSE A HAZARD FOR MARINERS. WIND GUSTS IN EXCESS OF 34 KNOTS AND DEADLY CLOUD TO WATER LIGHTNING WILL BE THE PRIMARY HAZARDS. ...WATERSPOUT IMPACT... STORMS MOVING OFFSHORE ALSO WILL BE CAPABLE OF PRODUCING BRIEF WATERSPOUTS. MARINERS SHOULD KEEP AN EYE TO THE WEST FOR DEVELOPING THUNDERSTORMS. STORMS MOVING INTO THE COASTAL ZONE WILL ENCOUNTER INCREASED WIND SHEAR WHICH CAN PROMOTE THE RAPID DEVELOPMENT OF WATERSPOUTS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. A COLD FRONT WILL MOVE INTO THE STATE WEDNESDAY EVENING PRECEDED BY A LINE OF STRONG TO POSSIBLY SEVERE STORMS. STORMS WITH STRONG WINDS...LARGE HAIL AND DEADLY CLOUD TO GROUND LIGHTNING WILL SWEEP ACROSS CENTRAL FLORIDA DURING THE AFTERNOON. AFTER A DRY DAY ON THURSDAY...LIGHTNING STORMS WILL RETURN TO THE AREA ON FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON. BLOTTMAN
In the hours before
Local storm report, Mar 22, 8:34 AM EST, 5 hours 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
834 AM EST TUE MAR 22 2005
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0720 PM HAIL 8 NW FORT PIERCE 27.52N 80.41W
03/21/2005 2.00 INCH ST. LUCIE FL EMERGENCY MNGR
ST. LUCIE EM REPORTED HAIL DAMAGE IN SPANISH LAKES.
WINDOWS OUT, SIDING OFF NEW MOBILE HOME, HOLES IN SIDING,
REAR VIEW MIRRORS BROKEN
&&
FXDSpecial weather statement, Mar 22, 1:36 PM EST, 11 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 136 PM EST TUE MAR 22 2005 FLZ141-221900- COASTAL VOLUSIA- 136 PM EST TUE MAR 22 2005 ...STRONG STORM CAPABLE OF PRODUCING WINDS UP TO 45 MPH AND SMALL HAIL EXTREME NORTHEAST VOLUSIA COUNTY... AT 134 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STORM CAPABLE OF PRODUCING STRONG WINDS AND SMALL HAIL 7 MILES WEST OF ORMOND BY THE SEA...MOVING NORTHEAST AT 25 MPH. THE STORM WILL MOVE ACROSS EXTREME NORTHEAST VOLUSIA COUNTY NORTH OF ORMOND BEACH TO ORMOND BY THE SEA AND THE FLAGLER COUNTY LINE. PERSONS IN THESE AREAS SHOULD MOVE INDOORS TO A SAFE LOCATION TO AVOID THIS STORM. 52
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 21, 7:14 PM EST | Severe Thunderstorm Warning | MLB | Saint Lucie | 61 min |
| Mar 22, 1:41 PM EST | Special Marine Warning | MLB | 64 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.