Alert archive / Florida / Gale Warnings in 2009
Gale Warning 3, NWS Melbourne, FL
NWS Melbourne, FL issued this gale warning at Dec 18, 2009, 4:32 AM EST. It took effect at Dec 18, 2009, 4:00 PM EST. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 18, 2009, 4:32 AM EST (09:32 UTC)
- In effect from
- Dec 18, 2009, 4:00 PM EST
- Expired
- Dec 19, 2009, 4:00 AM EST
- In force
- 12 hr
- Issued by
- NWS Melbourne, FL
The text
As transmitted, in the capitals the NWS used until 2016.
363 WHUS72 KMLB 180932 MWWMLB URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 432 AM EST FRI DEC 18 2009 AMZ570-572-575-181745- /O.EXT.KMLB.SC.Y.0090.000000T0000Z-091218T2100Z/ /O.NEW.KMLB.GL.W.0003.091218T2100Z-091219T0900Z/ /O.NEW.KMLB.SC.Y.0091.091219T0900Z-091220T2200Z/ WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE 20 TO 60 NM OFFSHORE- WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET 20 TO 60 NM OFFSHORE- WATERS FROM SEBASTIAN INLET TO JUPITER INLET 20 TO 60 NM OFFSHORE- 432 AM EST FRI DEC 18 2009 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... ...GALE WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM EST SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM SATURDAY TO 5 PM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A GALE WARNING...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM EST SATURDAY. A SMALL CRAFT ADVISORY HAS ALSO BEEN ISSUED. THIS SMALL CRAFT ADVISORY IS IN EFFECT FROM 4 AM SATURDAY TO 5 PM EST SUNDAY. THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 4 PM EST THIS AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS. MARINERS... ESPECIALLY THOSE THAT ARE INEXPERIENCED OR OPERATING SMALL VESSELS...MAY WISH TO POSTPONE TRIPS UNTIL CONDITIONS IMPROVE. A GALE WARNING MEANS THAT WINDS BETWEEN 34 AND 47 KNOTS ARE IMMINENT OR OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ AMZ550-552-555-181745- /O.CON.KMLB.SC.Y.0090.000000T0000Z-091219T1500Z/ COASTAL WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE OUT 20 NM- COASTAL WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET OUT 20 NM- COASTAL WATERS FROM SEBASTIAN INLET TO JUPITER INLET OUT 20 NM- 432 AM EST FRI DEC 18 2009 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST SATURDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST SATURDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS. MARINERS... ESPECIALLY THOSE THAT ARE INEXPERIENCED OR OPERATING SMALL VESSELS...MAY WISH TO POSTPONE TRIPS UNTIL CONDITIONS IMPROVE. && $$ 52
3 follow-up statements
324 WHUS72 KMLB 181537 MWWMLB URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 1037 AM EST FRI DEC 18 2009 AMZ570-572-575-190900- /O.CON.KMLB.SC.Y.0090.000000T0000Z-091218T2100Z/ /O.CON.KMLB.GL.W.0003.091218T2100Z-091219T0900Z/ /O.CON.KMLB.SC.Y.0091.091219T0900Z-091220T2200Z/ WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE 20 TO 60 NM OFFSHORE- WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET 20 TO 60 NM OFFSHORE- WATERS FROM SEBASTIAN INLET TO JUPITER INLET 20 TO 60 NM OFFSHORE- 1037 AM EST FRI DEC 18 2009 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... ...GALE WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM EST SATURDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM SATURDAY TO 5 PM EST SUNDAY... A GALE WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM EST SATURDAY. A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON. A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM SATURDAY TO 5 PM EST SUNDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS. MARINERS... ESPECIALLY THOSE THAT ARE INEXPERIENCED OR OPERATING SMALL VESSELS...MAY WISH TO POSTPONE TRIPS UNTIL CONDITIONS IMPROVE. A GALE WARNING MEANS THAT WINDS BETWEEN 34 AND 47 KNOTS ARE IMMINENT OR OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ AMZ550-552-555-190900- /O.CON.KMLB.SC.Y.0090.000000T0000Z-091219T1500Z/ COASTAL WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE OUT 20 NM- COASTAL WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET OUT 20 NM- COASTAL WATERS FROM SEBASTIAN INLET TO JUPITER INLET OUT 20 NM- 1037 AM EST FRI DEC 18 2009 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST SATURDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST SATURDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS. MARINERS... ESPECIALLY THOSE THAT ARE INEXPERIENCED OR OPERATING SMALL VESSELS...MAY WISH TO POSTPONE TRIPS UNTIL CONDITIONS IMPROVE. && $$
431 WHUS72 KMLB 182128 MWWMLB URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 428 PM EST FRI DEC 18 2009 AMZ570-572-575-190930- /O.EXP.KMLB.SC.Y.0090.000000T0000Z-091218T2100Z/ /O.CON.KMLB.GL.W.0003.000000T0000Z-091219T0900Z/ /O.CON.KMLB.SC.Y.0091.091219T0900Z-091220T2200Z/ WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE 20 TO 60 NM OFFSHORE- WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET 20 TO 60 NM OFFSHORE- WATERS FROM SEBASTIAN INLET TO JUPITER INLET 20 TO 60 NM OFFSHORE- 428 PM EST FRI DEC 18 2009 ...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM SATURDAY TO 5 PM EST SUNDAY... A GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST SATURDAY FOR WEST WINDS 30 TO 35 KNOTS AS LOW PRESSURE STRENGTHENS ALONG THE SOUTHEAST U.S. COAST TONIGHT. A SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM SATURDAY TO 5 PM EST SUNDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS THAT WINDS BETWEEN 34 AND 47 KNOTS ARE IMMINENT OR OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS. MARINERS... ESPECIALLY THOSE THAT ARE INEXPERIENCED OR OPERATING SMALL VESSELS...MAY WISH TO POSTPONE TRIPS UNTIL CONDITIONS IMPROVE. && $$ AMZ550-552-555-190930- /O.CON.KMLB.SC.Y.0090.000000T0000Z-091219T1500Z/ COASTAL WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE OUT 20 NM- COASTAL WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET OUT 20 NM- COASTAL WATERS FROM SEBASTIAN INLET TO JUPITER INLET OUT 20 NM- 428 PM EST FRI DEC 18 2009 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST SATURDAY... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST SATURDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS. MARINERS... ESPECIALLY THOSE THAT ARE INEXPERIENCED OR OPERATING SMALL VESSELS...MAY WISH TO POSTPONE TRIPS UNTIL CONDITIONS IMPROVE. && $$
366 WHUS72 KMLB 190901 MWWMLB URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 401 AM EST SAT DEC 19 2009 AMZ570-572-575-191500- /O.EXP.KMLB.GL.W.0003.000000T0000Z-091219T0900Z/ /O.NEW.KMLB.GL.W.0004.091219T0901Z-091219T1500Z/ /O.EXT.KMLB.SC.Y.0091.000000T0000Z-091220T2200Z/ WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE 20 TO 60 NM OFFSHORE- WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET 20 TO 60 NM OFFSHORE- WATERS FROM SEBASTIAN INLET TO JUPITER INLET 20 TO 60 NM OFFSHORE- 401 AM EST SAT DEC 19 2009 ...GALE WARNING IN EFFECT UNTIL 10 AM EST THIS MORNING... ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 10 AM THIS MORNING TO 5 PM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A GALE WARNING...WHICH IS IN EFFECT UNTIL 10 AM EST THIS MORNING. THE SMALL CRAFT ADVISORY IS NOW IN EFFECT FROM 10 AM THIS MORNING TO 5 PM EST SUNDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS THAT WINDS BETWEEN 34 AND 47 KNOTS ARE IMMINENT OR OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS. MARINERS... ESPECIALLY THOSE THAT ARE INEXPERIENCED OR OPERATING SMALL VESSELS...MAY WISH TO POSTPONE TRIPS UNTIL CONDITIONS IMPROVE. && $$ AMZ550-552-555-191500- /O.CON.KMLB.SC.Y.0090.000000T0000Z-091219T1500Z/ COASTAL WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE OUT 20 NM- COASTAL WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET OUT 20 NM- COASTAL WATERS FROM SEBASTIAN INLET TO JUPITER INLET OUT 20 NM- 401 AM EST SAT DEC 19 2009 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING... A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS. MARINERS... ESPECIALLY THOSE THAT ARE INEXPERIENCED OR OPERATING SMALL VESSELS...MAY WISH TO POSTPONE TRIPS UNTIL CONDITIONS IMPROVE. && $$
What forecasters said that day
The local office's own words before this gale 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 gale warning went out at Dec 17, 9:33 PM EST, 6 hours 59 minutes earlier.
Area forecast discussion, Dec 17, 9:33 PM EST, 6 hours 59 minutes before
EAST CENTRAL FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MELBOURNE FL
933 PM EST THU DEC 17 2009
.DISCUSSION...
...STRONG LOW TAKING SHAPE OVER THE CENTRAL GULF OF MEXICO..
...RAIN HEAVY AT TIMES OVERNIGHT...
...SOME SEVERE STORMS ALONG WITH POSSIBLE TORNADOES ON FRIDAY...
CURRENT...HEAVY RAINS IN VICINITY OF LIFTING WARM FRONT HAVE BEEN
THE MAIN CONCERN THIS EVENING. RAIN AMOUNTS EXCEEDING 6 INCHES HAVE
BEEN REPORTED IN SOUTHERN SAINT LUCIE COUNTY SINCE THE AFTERNOON
WITH RAIN STILL FALLING ACROSS CENTRAL AND SOUTHERN PARTS OF THE
COUNTY.
OVERNIGHT/FRI...SFC WARM FRONT WILL LIFT STEADILY FROM NEAR LAKE
OKEE NWD THROUGH ECFL. RAINS ASCD WITH LIFTING BOUNDARY WL
OVERSPREAD AREA WITH SOME RAIN LOCALLY HEAVY AT TIMES MAINLY ALONG
THE COASTAL AREAS. WARM SECTOR...FORCED ASCENT AND INCREASING LL
WIND FIELD WILL INCREASE POTENTIAL FOR SEVERE WEATHER. 0-1KM
SHEAR/HELICITY PROFILE EXCEEDING 300 M2/S2 SHOULD SUPPORT ISOLD
ROTATING STORMS. MARGINAL MORNING INSTABILITY SHOULD BE OFFSET BY
IMPRESSIVE FORCED PARCEL ASCENT ALONG WITH H85 WINDS 50 TO 55 KT.
WILL ISSUE A WEATHER STATEMENT BY 10 PM WITH UPDATES TO THE THREATS
OVER THE AREA.
PREV DISC...
SFC LOW WILL PUSH ONSHORE NEAR/JUST WEST OF THE FL BIG
BEND...DRAGGING PRE-FRONTAL SQLN EWD ACROSS THE PENINSULA DURING THE
DAY. SIGNIFICANT H25 DIVG/JET FORCED ASCENT WILL CONTINUE TO SUPPORT
INTENSIFICATION OF SFC LOW/SQLN AS IT RACES EWD. NAM/GFS GUIDANCE
SHOW LARGE SWATH OF 40KT+ WINDS @H925 AND 45 TO AS HIGH AS 60KT AT
H85. BOTH THE GFS AND NAM (ESPECIALLY THE LATTER) SHOW A LARGE AREA
OF 0-1KM HELICITY VALUES >300 M2/S2 COVERING VIRTUALLY THE ENTIRE
CWA STARTING IN THE 15Z-18Z TIME FRAME AND CONTINUING THRU 21Z-00Z.
EXPECT SVR MODE TO FEATURE A VERY FAST MOVING SQLN WITH EMBEDDED
BOWS/LEWP AND PSBL SUPERCELLS/TORNADOES. TIMING IS STILL A LITTLE
UNCERTAIN...BUT GIVE OR TAKE A FEW HRS...ANTICIPATE SQLN TO REACH
LAKE COUNTY BY MID-LATE MORNING...THE GREATER ORLANDO AND DAB AREAS
BY EARLY AFTERNOON AND THEN THE SPACE/TREASURE COASTS
/LAKE OKEE AREA FROM MID-LATE AFTERNOON. SQLN COULD BE PRECEDED BY
DISCRETE CELLS/SMALL BANDS WHICH WOULD NEED TO WATCHED CLOSELY AS
WELL. POPS ARE 70-80 TNGT...100 AREAWIDE ON FRI.
ANOTHER THING WORTH MENTIONING IS THAT THE STRONG GRADIENT WINDS
OUTSIDE OF CONVECTIVE ACTIVITY WILL PROBABLY WARRANT LAKE WIND
ADVISORY FOR TMRW.
&&
.AVIATION...
PREVAILING MVFR MAINLY BKN020-030 WITH SCT IFR VSBYS
IN PRECIP. COULD SEE STRONG WIND GUSTS ASCD WITH SQLN TMRW LATE
MORNING-AFTN...HOWEVER TIMING/AREAL EXTENT IS TOO UNCERTAIN TO
INSERT CONVECTIVE WIND GUSTS INTO ANY OF THE TAFS ATTM.
&&
.MARINE...SOLID SCA CONDS IN PLACE...AND WILL CONTINUE THROUGH
FRIDAY. WINDS COULD APPROACH GALE FORCE LATE FRIDAY IF SFC LOW
DEEPENS AS MUCH AS INDICATED BY THE 12Z GFS...HOWEVER FOR THE TIME
BEING HAVE CAPPED SUSTAINED WINDS AT 30KT. PLAN TO MENTION GALE
FORCE GUSTS OUTSIDE OF CONVECTION...AS WELL AS LCLLY HIGHER WINDS
SEAS IN STORMS AS SQLN PROGGED TO MOVE THROUGH THE MARINE AREA
FRI AFTN/EARLY EVENING.
&&
.MLB WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
AM...SMALL CRAFT ADVISORY UNTIL 10 AM EST SATURDAY FOR COASTAL
WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE OUT 20
NM- COASTAL WATERS FROM SEBASTIAN INLET TO JUPITER INLET OUT
20 NM-COASTAL WATERS FROM VOLUSIA BREVARD COUNTY LINE TO
SEBASTIAN INLET OUT 20 NM.
SMALL CRAFT ADVISORY UNTIL 5 PM EST SUNDAY FOR WATERS FROM
FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE 20 TO 60 NM
OFFSHORE-WATERS FROM SEBASTIAN INLET TO JUPITER INLET 20 TO
60 NM OFFSHORE-WATERS FROM VOLUSIA BREVARD COUNTY LINE TO
SEBASTIAN INLET 20 TO 60 NM OFFSHORE.
&&
JP/TS/DVDHazardous weather outlook, Dec 17, 11:00 AM EST, 17 hours 32 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MELBOURNE FL 1100 AM EST THU DEC 17 2009 AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141- 144-147-172100- COASTAL WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE OUT 20 NM- COASTAL WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET OUT 20 NM- COASTAL WATERS FROM SEBASTIAN INLET TO JUPITER INLET OUT 20 NM- WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE 20 TO 60 NM OFFSHORE- WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET 20 TO 60 NM OFFSHORE- WATERS FROM SEBASTIAN INLET TO JUPITER INLET 20 TO 60 NM OFFSHORE- INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD- OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-COASTAL VOLUSIA- SOUTHERN LAKE-NORTHERN BREVARD- 1100 AM EST THU DEC 17 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA. .DAY ONE...TODAY AND TONIGHT. ...RISK FOR ROTATING STORMS TO PRODUCE FUNNEL CLOUDS AND WATERSPOUTS THIS AFTERNOON AND EARLY EVENING SOUTH OF CAPE CANAVERAL... ...THUNDERSTORM IMPACT... LATE THIS MORNING...DOPPLER RADARS WERE SHOWING NUMEROUS SHOWERS AND OCCASIONAL ISOLATED LIGHTNING STORMS OVER AND OFFSHORE COMMUNITIES FROM SEBASTIAN INLET SOUTH...WITH THE HEAVIEST ACTIVITY OCCURRING OVER MARTIN AND SAINT LUCIE COUNTIES. RADAR INDICATED THAT THE STRONGER CELLS WERE EXHIBITING OCCASIONAL WEAK ROTATION. WITH THE BOUNDARY EXPECTED TO REMAIN NEARLY STATIONARY INTO EARLY EVENING...THE FOCUS FOR SHOWERS AND STORMS WILL BE PRIMARILY CONFINED TO THE TREASURE COAST COUNTIES...AS WELL AS AROUND LAKE OKEECHOBEE. THE MORE INTENSE CELLS WILL REMAIN CAPABLE OF PRODUCING CLOUD TO GROUND LIGHTNING STRIKES AND FUNNEL CLOUDS. A BRIEF TORNADO TOUCHDOWN CANNOT BE RULED OUT. THE THREAT FOR ROTATING STORMS WILL SHIFT SLOWLY NORTHWARD OVERNIGHT AS A STALLED FRONTAL BOUNDARY NEAR LAKE OKEECHOBEE BEGINS TO PUSH TO THE NORTH AS A WARM FRONT. ...FLOOD IMPACT... SHOWERS AND STORMS HAVE ALREADY PRODUCED LOCALLY HEAVY RAINFALL AMOUNTS IN EXCESS OF ONE INCH ACROSS EASTERN MARTIN COUNTY. LOCAL PONDING OF WATER WILL REMAIN POSSIBLE...MAINLY ACROSS MARTIN... OKEECHOBEE...SAINT LUCIE...AND INDIAN RIVER COUNTIES THIS AFTERNOON ...BEFORE SHIFTING GRADUALLY NORTHWARD OVERNIGHT. RAINFALL IS EXPECTED TO BECOME WIDESPREAD OVER EAST CENTRAL FLORIDA LATE TONIGHT. VERY HEAVY DOWNPOURS MAY OCCUR ALONG WITH LOCALIZED FLOODING WHERE RAIN PERSISTS. ...RIP CURRENT IMPACT... THERE WILL BE AN ELEVATED RISK OF RIP CURRENTS AT EAST CENTRAL FLORIDA BEACHES TODAY. ALWAYS SWIM NEAR A LIFEGUARD AND NEVER SWIM ALONE. ...MARINE THUNDERSTORM GUST IMPACT... A FEW STORMS OVER THE INTRACOASTAL WATERWAY AND NEAR SHORE ATLANTIC WILL BE CAPABLE OF PRODUCING WIND GUSTS OF 35 KNOTS OR GREATER TODAY AND TONIGHT. THE HIGHEST CHANCES WILL BE SOUTH OF SEBASTIAN INLET THIS AFTERNOON...THEN SHIFTING GRADUALLY NORTHWARD OVERNIGHT. ...WATERSPOUT IMPACT... WATERSPOUTS WILL ALSO BE POSSIBLE. AGAIN...THE HIGHEST THREAT WILL BE ALONG AND OFFSHORE THE TREASURE COAST FROM SEBASTIAN INLET SOUTH ...BEFORE SHIFTING NORTHWARD OVERNIGHT. ...WIND AND SEA IMPACT... NORTHEAST WINDS OF 20 KNOTS NEAR SHORE AND UP TO 25 KNOTS OFFSHORE WILL BECOME EAST THEN SOUTHEAST INTO TONIGHT. SEAS WILL BUILD TO 5 TO 7 FEET NEAR SHORE...UP TO 10 FEET OFFSHORE. A SMALL CRAFT ADVISORY IS IN EFFECT FOR ALL EAST CENTRAL FLORIDA COASTAL WATERS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. ...RISK OF STRONG TO SEVERE STORMS ON FRIDAY... DEVELOPING LOW PRESSURE OVER THE WESTERN GULF OF MEXICO WILL CROSS NORTH FLORIDA WHILE RAPIDLY STRENGTHENING DURING THE DAY ON FRIDAY. ABUNDANT DEEP LAYER MOISTURE...ALONG WITH STRONG LOW TO MID LEVEL WINDS AND AN INCREASINGLY FAVORABLE LOW LEVEL WIND SHEAR PROFILE WILL INCREASE THE THREAT FOR SEVERE STORMS TO PRODUCE DAMAGING WIND GUSTS AND TORNADOES DURING THE DAY. LATEST MODEL GUIDANCE FROM THURSDAY MORNING IS INDICATING THAT THE LOW IS LIKELY TO BE STRONGER THAN PREVIOUSLY INDICATED. WHILE THE EXACT TIMING IS STILL A BIT UNCERTAIN...AT THIS TIME IT APPEARS THAT A PRE-FRONTAL SQUALL LINE WILL REACH LAKE COUNTY SOMETIME AROUND MID MORNING...THEN SHIFT RAPIDLY EASTWARD ACROSS ORANGE...OSCEOLA...SEMINOLE AND VOLUSIA COUNTIES FROM LATE MORNING TO EARLY AFTERNOON. THE SQUALL LINE WILL THEN PUSH ACROSS OKEECHOBEE ...BREVARD...INDIAN RIVER...SAINT LUCIE AND MARTIN COUNTIES DURING THE AFTERNOON. PERSONS SHOULD REMAIN AWARE OF THE POTENTIAL FOR SEVERE WEATHER TONIGHT INTO FRIDAY. MONITOR NOAA WEATHER RADIO AND YOUR LOCAL MEDIA OUTLETS FOR POTENTIAL WATCHES...WARNINGS...AND STATEMENTS...AS WELL AS YOUR LOCAL FORECAST. IF YOU OWN A WEATHER RADIO...NOW IS THE TIME TO MAKE SURE THAT IT IS IN GOOD WORKING ORDER...CORRECTLY PROGRAMMED...AND HAS A FRESH BATTERY. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE REQUESTED TO MONITOR THE WEATHER AND SELF ACTIVATE IF NEEDED LATE TONIGHT. SPOTTER ACTIVATION APPEARS LIKELY BY SOMETIME EARLY FRIDAY MORNING. GLITTO/CRISTALDI
In the hours before
Local storm report, Dec 17, 10:42 PM EST, 5 hours 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
1042 PM EST THU DEC 17 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0910 PM HEAVY RAIN 5 W PORT SAINT LUCIE 27.27N 80.43W
12/17/2009 M6.86 INCH ST. LUCIE FL BROADCAST MEDIA
MEDIA REPORTED 6.86 INCHES OF RAIN THROUGH 910 PM IN THE
COMMUNITY OF TRADITION
&&
DVDLocal storm report, Dec 18, 3:20 AM EST, 1 hour 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
320 AM EST FRI DEC 18 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0259 AM TSTM WND GST 5 NW FORT PIERCE 27.50N 80.37W
12/18/2009 M41 MPH ST. LUCIE FL ASOS
KFPR AIRPORT MEASURED 150/36 KNOTS AT 259 AM.
&&
DVDThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 17, 8:31 PM EST | Areal Flood Warning | MLB | Saint Lucie | 104 min |
| Dec 18, 4:28 AM EST | Tornado Warning | MLB | Brevard, Indian River | 33 min |
| Dec 18, 4:32 AM EST | Small Craft Advisory | MLB | 71 hr | |
| Dec 18, 4:35 AM EST | Lake Wind Advisory | MLB | Lake, Okeechobee, Orange, Osceola, Seminole, Volusia | 13 hr |
| Dec 18, 5:00 AM EST | Special Marine Warning | MLB | 2 hr | |
| Dec 18, 5:37 AM EST | Tornado Warning | MLB | Brevard | 24 min |
| Dec 18, 6:58 AM EST | Special Marine Warning | MLB | 2 hr | |
| Dec 18, 7:47 AM EST | Special Marine Warning | MLB | 118 min | |
| Dec 18, 8:56 AM EST | Special Marine Warning | MLB | 2 hr | |
| Dec 18, 9:41 AM EST | Special Marine Warning | MLB | 2 hr | |
| Dec 18, 5:12 PM EST | Tornado Warning | MLB | Osceola | 48 min |
| Dec 18, 6:11 PM EST | Special Marine Warning | MLB | 79 min |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.