Alert archive / Florida / High Surf Advisories in 2009

High Surf Advisory 2, NWS Melbourne, FL

May 20, 2009Volusia County, Florida

NWS Melbourne, FL issued this high surf advisory at May 20, 2009, 1:43 PM EDT for Volusia County, Florida. It was in force for 54 hr.

The area

The counties it named.

The facts

Issued
May 20, 2009, 1:43 PM EDT (17:43 UTC)
Expired
May 22, 2009, 8:00 PM EDT
In force
54 hr
Issued by
NWS Melbourne, FL

County Volusia County, FL

The radar

The Melbourne radar (KMLB), 116 km from the middle of the area, began a volume at 17:47 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.

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 5.7 hours before the alert went out and 168 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.

Skew-T log-pSkew-T log-p diagram, Jacksonville, FL at 12:00Z on 2009-05-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 12:00Z on 2009-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
10 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
853 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
185 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WHUS42 KMLB 201743
CFWMLB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
143 PM EDT WED MAY 20 2009

...HIGH SURF ADVISORY REMAINS IN EFFECT...

FLZ047-054-059-064-147-210200-
/O.CAN.KMLB.CF.S.0007.000000T0000Z-090521T0200Z/
/O.NEW.KMLB.SU.Y.0002.090520T1743Z-090521T0200Z/
SOUTHERN BREVARD-INDIAN RIVER-ST. LUCIE-MARTIN-NORTHERN BREVARD-
143 PM EDT WED MAY 20 2009

...HIGH SURF ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A HIGH SURF
ADVISORY...WHICH IS IN EFFECT UNTIL 10 PM EDT THIS EVENING. 

STRONG EASTERLY WINDS WILL CONTINUE TO GENERATE HIGH SEAS OVER
THE LOCAL ATLANTIC WATERS THROUGH THIS EVENING...RESULTING IN
POUNDING SURF AND LARGE BREAKING WAVES ACROSS THE EAST CENTRAL
FLORIDA BEACHES. MINOR BEACH EROSION MAY OCCUR THROUGH THE NEXT
HIGH TIDE CYCLE...WHICH WILL PEAK BETWEEN 5 PM AND 6 PM THIS
AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

FLZ141-210200-
/O.NEW.KMLB.SU.Y.0002.090520T1743Z-090521T0200Z/
/O.CON.KMLB.CF.Y.0001.000000T0000Z-090521T1600Z/
COASTAL VOLUSIA-
143 PM EDT WED MAY 20 2009

...HIGH SURF ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL NOON EDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A HIGH SURF
ADVISORY...WHICH IS IN EFFECT UNTIL 10 PM EDT THIS EVENING. A
COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL NOON EDT THURSDAY.

A COASTAL FLOOD ADVISORY HAS BEEN ISSUED FOR THOSE RESIDENTS WHO
LIVE ALONG THE INTRACOASTAL HALIFAX RIVER IN VOLUSIA COUNTY.
VOLUSIA COUNTY EMERGENCY MANAGEMENT REPORTS FLOODING INTO SOME
YARDS AND LOW AREAS ALONG THE HALIFAX RIVER AND TOMOKA RIVER.
STRONG ONSHORE WINDS ACROSS THE ATLANTIC...AND LARGE SWELLS
IMPACTING PONCE INLET ARE NOT ALLOWING EFFECTIVE DISCHARGE FROM
INTRACOASTAL WATERWAY INTO THE ATLANTIC WATERS. A RAINFALL
OBSERVER NEAR ORMOND BEACH REPORTED 14.90 INCHES OF RAIN OVER THE
PAST THREE DAYS. THE RUN OFF FROM HEAVY RAIN INTO THE INTRACOASTAL
WATERWAY AND GUSTY ONSHORE FLOW IS RAISING WATER LEVELS...
ESPECIALLY NORTH OF THE INLET AND MAY IMPACT LOW AREAS ALONG THE
RIVER WITH MINOR FLOODING.

ALONG THE VOLUSIA COUNTY BEACHES...HIGH POUNDING SURF AND LARGE
BREAKING WAVES WILL CONTINUE TODAY. MINOR BEACH EROSION MAY OCCUR
THROUGH THE NEXT HIGH TIDE CYCLE...WHICH WILL PEAK BETWEEN 5 PM
AND 6 PM THIS AFTERNOON. AREAS SUSCEPTIBLE TO EROSION...MAY
EXPERIENCE MODERATE EROSION DURING THIS EVENT. A HIGH SURF
ADVISORY REMAINS IN EFFECT AND SWIMMING IN THE HIGH SURF IS
DISCOURAGED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS NEAR THE COAST.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

15
7 follow-up statements
000 
WHUS42 KMLB 210047
CFWMLB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
847 PM EDT WED MAY 20 2009

...HIGH SURF ADVISORY REMAINS IN EFFECT...

FLZ141-211600-
/O.EXT.KMLB.SU.Y.0002.000000T0000Z-090521T1400Z/
/O.CON.KMLB.CF.Y.0001.000000T0000Z-090521T1600Z/
COASTAL VOLUSIA-
847 PM EDT WED MAY 20 2009

...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 10 AM EDT THURSDAY...
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL NOON EDT
THURSDAY...

THE HIGH SURF ADVISORY IS NOW IN EFFECT UNTIL 10 AM EDT THURSDAY.
A COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL NOON EDT
THURSDAY. 

A COASTAL FLOOD ADVISORY HAS BEEN ISSUED FOR THOSE RESIDENTS WHO
LIVE ALONG THE INTRACOASTAL HALIFAX RIVER IN VOLUSIA COUNTY.
VOLUSIA COUNTY EMERGENCY MANAGEMENT REPORTS FLOODING INTO SOME
YARDS AND LOW AREAS ALONG THE HALIFAX RIVER AND TOMOKA RIVER.
STRONG ONSHORE WINDS ACROSS THE ATLANTIC...AND LARGE SWELLS
IMPACTING PONCE INLET ARE NOT ALLOWING EFFECTIVE DISCHARGE FROM
INTRACOASTAL WATERWAY INTO THE ATLANTIC WATERS. AT THE DAYTONA
BEACH AIRPORT OVER 15 INCHES OF RAIN HAS BEEN RECORDED THE PAST 3
DAYS. THE RUN OFF FROM HEAVY RAIN INTO THE INTRACOASTAL WATERWAY
AND GUSTY ONSHORE FLOW IS RAISING WATER LEVELS... ESPECIALLY NORTH
OF THE INLET AND MAY IMPACT LOW AREAS ALONG THE RIVER WITH MINOR
FLOODING.

ALONG THE VOLUSIA COUNTY BEACHES...HIGH POUNDING SURF AND LARGE
BREAKING WAVES WILL CONTINUE OVERNIGHT. MINOR BEACH EROSION MAY
OCCUR THROUGH THE NEXT HIGH TIDE CYCLE...WHICH WILL PEAK BETWEEN 5
PM AND 6 AM THURSDAY MORNING. AREAS SUSCEPTIBLE TO EROSION...MAY
EXPERIENCE MODERATE EROSION DURING THIS EVENT. A HIGH SURF ADVISORY
REMAINS IN EFFECT AND SWIMMING IN THE HIGH SURF IS DISCOURAGED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS NEAR THE COAST.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

FLZ047-054-059-064-147-211400-
/O.EXT.KMLB.SU.Y.0002.000000T0000Z-090521T1400Z/
SOUTHERN BREVARD-INDIAN RIVER-ST. LUCIE-MARTIN-NORTHERN BREVARD-
847 PM EDT WED MAY 20 2009

...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 10 AM EDT THURSDAY...

THE HIGH SURF ADVISORY IS NOW IN EFFECT UNTIL 10 AM EDT THURSDAY.

STRONG EASTERLY WINDS WILL CONTINUE TO GENERATE HIGH SEAS OVER
THE LOCAL ATLANTIC WATERS THROUGH THIS EVENING...RESULTING IN
POUNDING SURF AND LARGE BREAKING WAVES ACROSS THE EAST CENTRAL
FLORIDA BEACHES. MINOR BEACH EROSION MAY OCCUR THROUGH THE NEXT
HIGH TIDE CYCLE...WHICH WILL PEAK BETWEEN 5 PM AND 6 AM THURSDAY
MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

67
000 
WHUS42 KMLB 210802
CFWMLB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
402 AM EDT THU MAY 21 2009

...HIGH SURF ADVISORY REMAINS IN EFFECT...

FLZ141-211615-
/O.EXT.KMLB.CF.Y.0001.000000T0000Z-090522T0000Z/
/O.EXT.KMLB.SU.Y.0002.000000T0000Z-090522T0000Z/
COASTAL VOLUSIA-
402 AM EDT THU MAY 21 2009

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...HIGH SURF ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

THE HIGH SURF ADVISORY IS NOW IN EFFECT UNTIL 8 PM EDT THIS
EVENING. THE COASTAL FLOOD ADVISORY IS NOW IN EFFECT UNTIL 8 PM
EDT THIS EVENING. 

A COASTAL FLOOD ADVISORY HAS BEEN ISSUED FOR RESIDENTS ALONG THE
INTRACOASTAL HALIFAX RIVER IN VOLUSIA COUNTY. VOLUSIA COUNTY
EMERGENCY MANAGEMENT REPORTED FLOODING INTO SOME YARDS AND LOW
AREAS ALONG THE HALIFAX RIVER AND TOMOKA RIVER ON WEDNESDAY.
STRONG ONSHORE WINDS ACROSS THE ATLANTIC...AND LARGE SWELLS
IMPACTING PONCE INLET ARE NOT ALLOWING EFFECTIVE DISCHARGE FROM
INTRACOASTAL WATERWAY INTO THE ATLANTIC WATERS. AT THE DAYTONA
BEACH AIRPORT MORE THAN 15 INCHES OF RAIN HAS BEEN RECORDED THE
PAST 3 DAYS...AND ADDITIONAL HEAVY RAIN WILL BE POSSIBLE AGAIN
TODAY. THE RUNOFF FROM HEAVY RAIN INTO THE INTRACOASTAL WATERWAY
AND GUSTY ONSHORE FLOW IS RAISING WATER LEVELS...ESPECIALLY NORTH
OF THE INLET. THIS MAY IMPACT LOW AREAS ALONG THE RIVER WITH MINOR
FLOODING.

ALONG THE VOLUSIA COUNTY BEACHES...HIGH POUNDING SURF AND LARGE
BREAKING WAVES WILL CONTINUE. MINOR BEACH EROSION MAY OCCUR
AROUND TIMES OF HIGH TIDE. AREAS SUSCEPTIBLE TO EROSION MAY
EXPERIENCE MODERATE EROSION DURING THIS EVENT. A HIGH SURF
ADVISORY REMAINS IN EFFECT AND SWIMMING IN THE HIGH SURF IS
DISCOURAGED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS NEAR THE COAST.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

FLZ047-054-059-064-147-211615-
/O.EXT.KMLB.SU.Y.0002.000000T0000Z-090522T0000Z/
SOUTHERN BREVARD-INDIAN RIVER-ST. LUCIE-MARTIN-NORTHERN BREVARD-
402 AM EDT THU MAY 21 2009

...HIGH SURF ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

THE HIGH SURF ADVISORY IS IN EFFECT UNTIL 8 PM EDT THIS EVENING.

STRONG EASTERLY WINDS WILL CONTINUE TO GENERATE HIGH SEAS OVER
THE LOCAL ATLANTIC WATERS THROUGH THIS EVENING...RESULTING IN
POUNDING SURF AND LARGE BREAKING WAVES ACROSS THE EAST CENTRAL
FLORIDA BEACHES. MINOR BEACH EROSION MAY OCCUR AROUND THE TIME OF
HIGH TIDE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

52
000 
WHUS42 KMLB 211505 AAA
CFWMLB

COASTAL HAZARD MESSAGE...UPDATED
NATIONAL WEATHER SERVICE MELBOURNE FL
1002 AM EDT THU MAY 21 2009

...HIGH SURF ADVISORY REMAINS IN EFFECT...

FLZ141-220000-
/O.EXT.KMLB.CF.Y.0001.000000T0000Z-090522T0000Z/
/O.EXT.KMLB.SU.Y.0002.000000T0000Z-090522T0000Z/
COASTAL VOLUSIA-
1002 AM EDT THU MAY 21 2009

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...HIGH SURF ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

A COASTAL FLOOD ADVISORY HAS BEEN ISSUED FOR RESIDENTS ALONG THE 
INTRACOASTAL HALIFAX RIVER IN VOLUSIA COUNTY. VOLUSIA COUNTY 
EMERGENCY MANAGEMENT REPORTED FLOODING INTO SOME YARDS AND LOW AREAS 
ALONG THE HALIFAX RIVER AND TOMOKA RIVER ON WEDNESDAY. STRONG 
ONSHORE WINDS ACROSS THE ATLANTIC...AND LARGE SWELLS IMPACTING PONCE 
INLET ARE NOT ALLOWING EFFECTIVE DISCHARGE FROM INTRACOASTAL 
WATERWAY INTO THE ATLANTIC WATERS. AT THE DAYTONA BEACH AIRPORT MORE 
THAN 17 INCHES OF RAIN HAS BEEN RECORDED THE PAST FEW DAYS...AND 
ADDITIONAL HEAVY RAIN WILL BE POSSIBLE AGAIN TODAY. THE RUNOFF FROM 
HEAVY RAIN INTO THE INTRACOASTAL WATERWAY AND GUSTY ONSHORE FLOW IS 
RAISING WATER LEVELS...ESPECIALLY NORTH OF THE INLET. THIS MAY 
IMPACT LOW AREAS ALONG THE RIVER WITH MINOR FLOODING.

ALONG THE VOLUSIA COUNTY BEACHES...HIGH POUNDING SURF AND LARGE
BREAKING WAVES WILL CONTINUE. MINOR BEACH EROSION MAY OCCUR
AROUND TIMES OF HIGH TIDE. AREAS SUSCEPTIBLE TO EROSION MAY
EXPERIENCE MODERATE EROSION DURING THIS EVENT. A HIGH SURF
ADVISORY REMAINS IN EFFECT AND SWIMMING IN THE HIGH SURF IS
DISCOURAGED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS NEAR THE COAST.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

FLZ047-054-059-064-147-220000-
/O.EXT.KMLB.SU.Y.0002.000000T0000Z-090522T0000Z/
SOUTHERN BREVARD-INDIAN RIVER-ST. LUCIE-MARTIN-NORTHERN BREVARD-
1002 AM EDT THU MAY 21 2009

...HIGH SURF ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

STRONG EASTERLY WINDS WILL CONTINUE TO GENERATE HIGH SEAS OVER THE 
LOCAL ATLANTIC WATERS THROUGH THIS EVENING...RESULTING IN POUNDING 
SURF AND LARGE BREAKING WAVES ACROSS THE EAST CENTRAL FLORIDA 
BEACHES. MINOR BEACH EROSION MAY OCCUR AROUND THE TIME OF HIGH TIDE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

07
000 
WHUS42 KMLB 212354
CFWMLB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
754 PM EDT THU MAY 21 2009

...HIGH SURF ADVISORY REMAINS IN EFFECT...

FLZ141-221400-
/O.EXT.KMLB.CF.Y.0001.000000T0000Z-090522T1400Z/
/O.EXT.KMLB.SU.Y.0002.000000T0000Z-090522T1400Z/
COASTAL VOLUSIA-
754 PM EDT THU MAY 21 2009

...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 10 AM EDT FRIDAY...
...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 10 AM EDT FRIDAY...

THE HIGH SURF ADVISORY IS NOW IN EFFECT UNTIL 10 AM EDT FRIDAY.
THE COASTAL FLOOD ADVISORY IS NOW IN EFFECT UNTIL 10 AM EDT
FRIDAY. 

A COASTAL FLOOD ADVISORY REMAINS IN EFFECT FOR RESIDENTS ALONG
THE INTRACOASTAL HALIFAX RIVER IN VOLUSIA COUNTY. STRONG ONSHORE
WINDS ACROSS THE ATLANTIC...AND LARGE SWELLS IMPACTING PONCE INLET
ARE NOT ALLOWING EFFECTIVE DISCHARGE FROM INTRACOASTAL WATERWAY
INTO THE ATLANTIC WATERS. AT THE DAYTONA BEACH AIRPORT MORE THAN
17 INCHES OF RAIN HAS BEEN RECORDED THE PAST FEW DAYS. THE RUNOFF
FROM THE RECENT RAIN INTO THE INTRACOASTAL WATERWAY AND GUSTY
ONSHORE FLOW IS RAISING WATER LEVELS...ESPECIALLY NORTH OF THE
INLET. THIS MAY IMPACT LOW AREAS ALONG THE RIVER WITH MINOR
FLOODING.

ALONG THE VOLUSIA COUNTY BEACHES...HIGH POUNDING SURF AND LARGE
BREAKING WAVES WILL CONTINUE. MINOR BEACH EROSION MAY OCCUR
AROUND THE TIME OF THE NEXT HIGH TIDE WHICH IS AROUND 630 AM
FRIDAY MORNING. AREAS SUSCEPTIBLE TO EROSION MAY EXPERIENCE
MODERATE EROSION DURING THIS EVENT. A HIGH SURF ADVISORY REMAINS
IN EFFECT AND SWIMMING IN THE HIGH SURF IS DISCOURAGED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS NEAR THE COAST.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

FLZ047-054-059-064-147-221400-
/O.EXT.KMLB.SU.Y.0002.000000T0000Z-090522T1400Z/
SOUTHERN BREVARD-INDIAN RIVER-ST. LUCIE-MARTIN-NORTHERN BREVARD-
754 PM EDT THU MAY 21 2009

...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 10 AM EDT FRIDAY...

THE HIGH SURF ADVISORY IS NOW IN EFFECT UNTIL 10 AM EDT FRIDAY. 

HIGH POUNDING SURF AND LARGE BREAKING WAVES WILL CONTINUE. MINOR
BEACH EROSION MAY OCCUR AROUND THE TIME OF THE NEXT HIGH TIDE
WHICH IS AROUND 630 AM FRIDAY MORNING. AREAS SUSCEPTIBLE TO
EROSION MAY EXPERIENCE MODERATE EROSION DURING THIS EVENT. A HIGH
SURF ADVISORY REMAINS IN EFFECT AND SWIMMING IN THE HIGH SURF IS
DISCOURAGED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

67
000 
WHUS42 KMLB 220839
CFWMLB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
439 AM EDT FRI MAY 22 2009

...HIGH SURF ADVISORY REMAINS IN EFFECT...

FLZ141-222100-
/O.EXT.KMLB.CF.Y.0001.000000T0000Z-090523T0000Z/
/O.EXT.KMLB.SU.Y.0002.000000T0000Z-090523T0000Z/
COASTAL VOLUSIA-
439 AM EDT FRI MAY 22 2009

...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING...

THE HIGH SURF ADVISORY IS NOW IN EFFECT UNTIL 8 PM EDT THIS
EVENING. THE COASTAL FLOOD ADVISORY IS NOW IN EFFECT UNTIL 8 PM
EDT THIS EVENING. 

A COASTAL FLOOD ADVISORY REMAINS IN EFFECT FOR RESIDENTS ALONG
THE INTRACOASTAL HALIFAX RIVER IN VOLUSIA COUNTY. STRONG ONSHORE
WINDS ACROSS THE ATLANTIC...AND LARGE SWELLS IMPACTING PONCE
INLET ARE NOT ALLOWING EFFECTIVE DISCHARGE FROM INTRACOASTAL
WATERWAY INTO THE ATLANTIC WATERS. AT THE DAYTONA BEACH AIRPORT
MORE THAN 17 INCHES OF RAIN HAS BEEN RECORDED THE PAST FEW DAYS.
THE RUNOFF FROM THE RECENT RAIN INTO THE INTRACOASTAL WATERWAY
AND GUSTY ONSHORE FLOW IS RAISING WATER LEVELS...ESPECIALLY NORTH
OF THE INLET. THIS MAY IMPACT LOW AREAS ALONG THE RIVER WITH
MINOR FLOODING.

ALONG THE VOLUSIA COUNTY BEACHES...HIGH POUNDING SURF AND LARGE
BREAKING WAVES WILL CONTINUE. MINOR BEACH EROSION MAY OCCUR
NEAR HIGH TIDES WHICH ARE AROUND 630 AM THIS MORNING AND 7 PM THIS
EVENING. AREAS SUSCEPTIBLE TO EROSION MAY EXPERIENCE MODERATE
EROSION DURING THIS EVENT. A HIGH SURF ADVISORY REMAINS IN EFFECT
AND SWIMMING IN THE HIGH SURF IS DISCOURAGED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS NEAR THE COAST.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

FLZ047-054-059-064-147-222100-
/O.EXT.KMLB.SU.Y.0002.000000T0000Z-090523T0000Z/
SOUTHERN BREVARD-INDIAN RIVER-ST. LUCIE-MARTIN-NORTHERN BREVARD-
439 AM EDT FRI MAY 22 2009

...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING...

THE HIGH SURF ADVISORY IS NOW IN EFFECT UNTIL 8 PM EDT THIS
EVENING. 

HIGH POUNDING SURF AND LARGE BREAKING WAVES WILL CONTINUE. MINOR
BEACH EROSION MAY OCCUR NEAR HIGH TIDES WHICH ARE AROUND 630 AM
THIS MORNING AND 7 PM THIS EVENING. AREAS SUSCEPTIBLE TO EROSION
MAY EXPERIENCE MODERATE EROSION DURING THIS EVENT. A HIGH SURF
ADVISORY REMAINS IN EFFECT AND SWIMMING IN THE HIGH SURF IS
DISCOURAGED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$
000 
WHUS42 KMLB 221838
CFWMLB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
238 PM EDT FRI MAY 22 2009

...HIGH SURF ADVISORY REMAINS IN EFFECT...

FLZ141-230000-
/O.CON.KMLB.CF.Y.0001.000000T0000Z-090523T0000Z/
/O.CON.KMLB.SU.Y.0002.000000T0000Z-090523T0000Z/
COASTAL VOLUSIA-
238 PM EDT FRI MAY 22 2009

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

A COASTAL FLOOD ADVISORY REMAINS IN EFFECT FOR RESIDENTS ALONG
THE INTRACOASTAL HALIFAX RIVER IN VOLUSIA COUNTY. STRONG ONSHORE
WINDS ACROSS THE ATLANTIC...AND LARGE SWELLS IMPACTING PONCE INLET
ARE NOT ALLOWING EFFECTIVE DISCHARGE FROM INTRACOASTAL WATERWAY
INTO THE ATLANTIC WATERS. AT THE DAYTONA BEACH AIRPORT MORE THAN
19 INCHES OF RAIN HAS BEEN RECORDED THE PAST FEW DAYS. THE RUNOFF
FROM THE RECENT RAIN INTO THE INTRACOASTAL WATERWAY AND GUSTY
ONSHORE FLOW IS RAISING WATER LEVELS...ESPECIALLY NORTH OF THE
INLET. THIS MAY IMPACT LOW AREAS ALONG THE RIVER WITH MINOR
FLOODING.

ALONG THE VOLUSIA COUNTY BEACHES...HIGH POUNDING SURF AND LARGE
BREAKING WAVES WILL CONTINUE. MINOR BEACH EROSION MAY OCCUR NEAR
HIGH TIDE AT 7 PM THIS EVENING. AREAS SUSCEPTIBLE TO EROSION MAY
EXPERIENCE MODERATE EROSION DURING THIS EVENT. A HIGH SURF
ADVISORY REMAINS IN EFFECT AND SWIMMING IN THE HIGH SURF IS
DISCOURAGED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS NEAR THE COAST.

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

FLZ047-054-059-064-147-230000-
/O.CON.KMLB.SU.Y.0002.000000T0000Z-090523T0000Z/
SOUTHERN BREVARD-INDIAN RIVER-ST. LUCIE-MARTIN-NORTHERN BREVARD-
238 PM EDT FRI MAY 22 2009

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

HIGH POUNDING SURF AND LARGE BREAKING WAVES WILL CONTINUE. MINOR
BEACH EROSION MAY OCCUR NEAR HIGH TIDE AROUND 7 PM THIS EVENING. 
AREAS SUSCEPTIBLE TO EROSION MAY EXPERIENCE MODERATE EROSION
DURING THIS EVENT. A HIGH SURF ADVISORY REMAINS IN EFFECT AND
SWIMMING IN THE HIGH SURF IS DISCOURAGED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$
000 
WHUS42 KMLB 222344
CFWMLB

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MELBOURNE FL
744 PM EDT FRI MAY 22 2009

FLZ141-230045-
/O.EXP.KMLB.CF.Y.0001.000000T0000Z-090523T0000Z/
/O.EXP.KMLB.SU.Y.0002.000000T0000Z-090523T0000Z/
COASTAL VOLUSIA-
744 PM EDT FRI MAY 22 2009

...COASTAL FLOOD ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING...
...HIGH SURF ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING...

THE HIGH SURF ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING. 
THE COASTAL FLOOD ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING.


$$

FLZ047-054-059-064-147-230045-
/O.EXP.KMLB.SU.Y.0002.000000T0000Z-090523T0000Z/
SOUTHERN BREVARD-INDIAN RIVER-ST. LUCIE-MARTIN-NORTHERN BREVARD-
744 PM EDT FRI MAY 22 2009

...HIGH SURF ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING...

THE HIGH SURF ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING. 


$$

What forecasters said that day

The local office's own words before this high surf advisory 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 high surf advisory went out at May 20, 10:50 AM EDT, 2 hours 53 minutes earlier.

Area forecast discussion, May 20, 10:50 AM EDT, 2 hours 53 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MELBOURNE FL
1050 AM EDT WED MAY 20 2009

.DISCUSSION...

...LOCALLY HEAVY RAIN AND SLIGHT RISK OF SEVERE WEATHER THIS
AFTERNOON...

.UPDATE...SHARP MOISTURE GRADIENT OVER THE FORECAST AREA TODAY WITH
PRECIP WATER VALUES AROUND 1.8-1.9 ACROSS NRN SECTIONS AND 1.4
ACROSS FAR SRN AREAS. MID LAYER LOW OVER S FL ALLOWING SOME DRIER
AIR IN THE MID-UPR LVLS TO WORK NWD ACROSS THE SRN CWA BUT PLENTIFUL
LOW LVL MOISTURE SHOULD ALLOW SHOWERS/TSTMS TO REDEVELOP ACROSS THE
SOUTH WITH DAYTIME HEATING. ALONG THE VOLUSIA COAST...A CONVERGENT
BAND WITH SHOWERS/TSTMS MOVING ONSHORE WITH ADDITIONAL HEAVY
RAINFALL. AREAL FLOOD WARNING RE-ISSUED FOR VOLUSIA COUNTY INTO THIS
AFTERNOON. MAIN CONCERNS TODAY CONTINUE TO BE HEAVY RAINFALL THREAT
ACROSS VOLUSIA COUNTY AND DEVELOPING WITH STORMS ACROSS SRN SECTIONS
LATER THIS AFTN. SLIGHT RISK OF SEVERE STORMS ALSO POSSIBLE ACROSS
CENTRAL/SRN CWA WITH DRY AIR IN THE MID LVLS AND COLD MID LEVEL
TEMPS. HELICITY VALUES LOOK TO BE MAXIMIZED ACROSS FAR NRN SECTIONS
SO WILL HAVE TO BE ON GUARD FOR ROTATION WITH STORMS MOVING ONSHORE
FROM THE ATLC. SLIGHT FORECAST ADJUSTMENTS MAINLY TO TEMPS AND
CONVERTING WIND ADV TO A LAKE WIND ADVISORY AND EXPANDING TO
ORANGE/SEMINOLE AND INLAND VOLUSIA COUNTIES.

&&

.AVIATION...KDAB EXPECTED TO CONTINUE TO SEE +RA/CHC TSRA INTO THE
AFTN WITH GUSTY EAST WINDS. OTHER TERMINALS WILL SEE INCREASING CHCS
FOR +RA/TSRA INTO THE AFTN WITH DAYTIME HEATING.

&&

.MARINE...CONDITIONS REMAIN HAZARDOUS OVER THE ATLC WATERS WITH SEAS
7-8 CLOSE TO THE COAST AND UP TO 14-16 FT OFFSHORE. GALE WARNING
EXPIRED AT 10 AM. CURRENT FORECAST ON TRACK WITH LITTLE CHANGES.

&&

.HYDROLOGY...MORNING CALL WITH SE RFC INDICATES RIVER FORECASTS WILL
BE INITIATED FOR ASTOR LATER THIS MORNING WITH RIVER LVL CONTINUING
TO RISE (1.9 THIS MORNING - 2.5 ACTION STAGE). HEAVY RAINS IN THE
BASIN OVER THE LAST FEW DAYS AND ADDITIONAL RAIN TODAY SHOULD
CONTINUE RISES INTO LATE WEEK. AREAL FLOOD WARNING ISSUED FOR VOLUSIA
WITH ANOTHER BAND OF HEAVY RAIN MOVING ONSHORE.

&&

.CLIMATE...RECORD RAINFALL RECORDED AT DAYTONA BEACH/ORLANDO/
MELBOURNE/VERO BEACH YESTERDAY (SEE RECORD EVENT REPORTS).
SUPPLEMENTAL RAINFALL REPORTS FROM COCORAHS INDICATE 14.90 INCH
RAINFALL TOTAL 3.5 SE OF ORMOND BEACH OVER THE PAST THREE DAYS.
WILL BE ISSUING EVENT TOTAL RAINFALL SUMMARY LATER TODAY.

&&

.PRELIMINARY POINT TEMPS/POPS...
DAB  77  71  79  72 /  80  70  80  40
MCO  81  68  84  70 /  80  50  70  40
MLB  80  73  82  72 /  70  70  80  40
VRB  80  73  83  73 /  70  70  80  40

&&

.MLB WATCHES/WARNINGS/ADVISORIES...
FL...FLOOD WATCH THROUGH THURSDAY MORNING FOR COASTAL VOLUSIA-INDIAN
     RIVER-INLAND VOLUSIA-MARTIN-NORTHERN BREVARD-NORTHERN LAKE-
     ORANGE-SEMINOLE-SOUTHERN BREVARD-SOUTHERN LAKE-ST. LUCIE.

     LAKE WIND ADVISORY UNTIL 4 PM EDT THIS AFTERNOON FOR COASTAL
     VOLUSIA-INLAND VOLUSIA-NORTHERN BREVARD-ORANGE-SEMINOLE-
     SOUTHERN BREVARD.

AM...SMALL CRAFT ADVISORY UNTIL 10 AM EDT FRIDAY FOR 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-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.

     SMALL CRAFT ADVISORY UNTIL 10 AM EDT FRIDAY FOR COASTAL WATERS
     FROM SEBASTIAN INLET TO JUPITER INLET OUT 20 NM-WATERS FROM
     SEBASTIAN INLET TO JUPITER INLET 20 TO 60 NM OFFSHORE.

&&

SHORT TERM/AVIATION...VOLKMER
LONG TERM....SEDLOCK
Hazardous weather outlook, May 20, 1:31 PM EDT, 12 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MELBOURNE FL
131 PM EDT WED MAY 20 2009

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-210545-
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-
131 PM EDT WED MAY 20 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

...THUNDERSTORM IMPACT...
THERE REMAINS A MODERATE THREAT FOR SEVERE THUNDERSTORMS AND BRIEF
TORNADOES OVER PARTS OF EAST CENTRAL FLORIDA THIS AFTERNOON AND
EVENING. AFTERNOON HEATING TEAMED WITH COOL TEMPERATURES ALOFT
HAVE INCREASED THE CHANCE FOR THUNDERSTORM ACTIVITY. WITH PLENTY
OF AVAILABLE ATMOSPHERIC MOISTURE AND CONVECTIVE ORGANIZATION
SUPPLIED BY A TRANSITIONING LOW PRESSURE SYSTEM...STORMS WILL
BECOME MORE NUMEROUS AND STRONG. THE GREATER OPPORTUNITY FOR
SEVERE WIND AND HAIL WILL BE SOUTH OF THE INTERSTATE 4 CORRIDOR
DOWN TO LAKE OKEECHOBEE. ALSO...BRIEF TORNADOES AND LANDFALLING
WATERSPOUTS WILL BE POSSIBLE ALONG THE COASTAL ZONE FROM FLAGLER
BEACH TO JUPITER INLET...AND REACH INLAND INTO INTERIOR COUNTIES.
CONDITIONS ALSO EXISTS IN VICINITY OF LAKE OKEECHOBEE.

...FLOOD IMPACT...
THE FLOOD THREAT IS HIGH FOR COASTAL VOLUSIA COUNTY. AN AREAL
FLOOD WARNING HAS BEEN ISSUED FOR VOLUSIA COUNTY THROUGH 415 PM
TODAY. THIS WARNING MAY NEED TO BE EXTENDED...AND INCLUDE NEARBY
LOCATIONS. OVER THE PAST TWO DAYS...WIDESPERAD HEAVY RAIN HAS
OCCURRED ACROSS VOLUSIA COUNTY AND PARTS OF NORTH LAKE COUNTY
WHERE 10 TO 12 INCHES HAVE BEEN EXPERIENCED...WITH AN ADDITIONAL 2
TO 4 INCHES POSSIBLE TODAY. GENEROUS RAINS WILL CONTINUE THIS
AFTERNOON...ESPECIALLY NORTH OF THE INTERSTATE 4 CORRIDOR....AND
ALONG THE INTERSTATE 95 CORRIDOR.

...HIGH WIND IMPACT...
BREEZY TO WINDY CONDITIONS WILL PREVAIL THIS AFTERNOON...ESPECIALLY
ALONG THE COAST BETWEEN FLAGLER BEACH AND CAPE CANAVERAL. FREQUENT
WIND GUSTS BETWEEN 20 AND 25 MPH ARE EXPECTED.

LAKE WIND ADVISORIES HAVE BEEN POSTED FOR VOLUSIA...BREVARD...
ORANGE...AND SEMINOLE COUNTIES.

...COASTAL FLOOD IMPACT...
A COASTAL FLOOD ADVISORY HAS BEEN ISSUED FOR THOSE RESIDENTS WHO
LIVE ALONG THE INTRACOASTAL HALIFAX RIVER IN VOLUSIA COUNTY.
VOLUSIA COUNTY EMERGENCY MANAGEMENT REPORTS FLOODING INTO SOME
YARDS AND LOW AREAS ALONG THE HALIFAX RIVER. STRONG ONSHORE WINDS
ACROSS THE ATLANTIC...AND LARGE SWELLS IMPACTING PONCE INLET ARE NOT
ALLOWING EFFECTIVE DISCHARGE FROM INTRACOASTAL WATERWAY INTO THE
ATLANTIC WATERS. A RAINFALL OBSERVER NEAR ORMOND BEACH REPORTED
14.90 INCHES OF RAIN OVER THE PAST THREE DAYS. THE RUN OFF FROM
HEAVY RAIN INTO THE INTRACOASTAL WATERWAY AND GUSTY ONSHORE FLOW IS
RAISING WATER LEVELS...ESPECIALLY NORTH OF THE INLET AND MAY IMPACT
LOW AREAS ALONG THE RIVER WITH MINOR FLOODING.

ALONG THE VOLUSIA COUNTY BEACHES...HIGH POUNDING SURF AND LARGE
BREAKING WAVES WILL CONTINUE THIS AFTERNOON. MINOR TO LOCALLY
MODERATE BEACH EROSION MAY OCCUR THROUGH THE NEXT HIGH TIDE
CYCLE...WHICH WILL PEAK BETWEEN 5 PM AND 6 PM THIS AFTERNOON.
AREAS SUSCEPTIBLE TO EROSION...MAY EXPERIENCE MODERATE EROSION
DURING THIS EVENT.

A HIGH SURF ADVISORY IS IN EFFECT FOR ALL COASTAL COUNTIES FROM
JUPITER INLET TO FLAGLER BEACH...AND SWIMMING IN THE HIGH SURF IS
STRONGLY DISCOURAGED.

...RIP CURRENT IMPACT...
STRONG EAST TO SOUTHEAST WINDS WILL DRIVE A MODERATE TO LARGE
SWELL THIS AFTERNOON...WITH HIGH SURF CONDITIONS CONTINUING.
THESE FACTORS WILL CREATE A HIGH RIP CURRENT RISK ALONG AREA
BEACHES. BEACHGOERS ARE URGED TO STAY OUT OF THE WATER THIS
AFTERNOON.

...MARINE THUNDERSTORM GUST IMPACT...
THERE IS A MODERATE THREAT FOR MARINE THUNDERSTORM GUSTS THIS
AFTERNOON AS SCATTERED TO NUMEROUS STORMS PRODUCE LOCAL WIND GUSTS
ABOVE 34 KNOTS. ISOLATED GUSTS MAY BE HIGHER NEAR 50 KNOTS.

...WATERSPOUT IMPACT...
MARINE THUNDERSTORMS MAY PRODUCE WATERSPOUTS OVER THE ATLANTIC
AND INTRACOASTAL WATERWAY AS THEY MOVE ONSHORE. THE ASSOCIATED THREAT
IS MODERATE.

...WIND AND SEA IMPACT...
THE PRESSURE GRADIENT BETWEEN A DEVELOPING LOW PRESSURE
SYSTEM OVER THE SOUTHEAST GULF OF MEXICO AND HIGH PRESSURE OVER
THE MID ATLANTIC WILL PRODUCE A FRESH TO STRONG EAST TO SOUTHEAST
BREEZE OVER THE COASTAL WATERS WITH OCCASIONAL GUSTS TO 30 KNOTS.
THE LOW WILL MAINTAIN THE STRONG FLOW INTO THURSDAY AS IT DRIFTS
SLOWLY WESTWARD TOWARD THE CENTRAL GULF OF MEXICO.

SMALL CRAFT ADVISORIES ARE IN EFFECT FOR ALL AREAS BETWEEN
FLAGLER BEACH TO JUPITER INLET OUT TO 60 NAUTICAL MILES.

...RIVER FLOOD IMPACT...
GENEROUS RAINS HAVE FALLEN OVER THE SAINT JOHNS RIVER BASIN WITH
RUNOFF YET TO BE FULLY REALIZED. CURRENT AND PROJECTED RIVER
STAGES AT LAKE HARNEY...SANFORD...AND DELAND ARE NOT YET A
CONCERN. HOWEVER...GIVEN THE AMOUNT OF RAIN IN VICINITY OF ASTOR
AS WELL AS THE ELEVATED WINDS SLOWING THE DISCHARGE...THE STAGE
THERE WILL LIKELY RISE ABOVE ACTION STAGE. THE RIVER FORECAST
CENTER WILL BEGIN ISSUING FORECASTS FOR ASTOR TODAY.

PLEASE SEE THE LATEST RIVER FORECAST AT ASTOR FOR THE LATEST
INFORMATION.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
CONDITIONS WILL BE BREEZY ON THURSDAY WITH A 70 PERCENT CHANCE OF
THUNDERSTORMS ACROSS THE AREA. BY FRIDAY...THE WINDS WILL WEAKEN MORE
AS THE LOW PULLS FARTHER AWAY. THEN...THE AREA WILL GRADUALLY TRANSITION
INTO A MORE TRADITIONAL SUMMERTIME PATTERN WITH ABOUT 40 PERCENT
CHANCES FOR THUNDERSTORMS.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE REQUESTED TO MONITOR THE WEATHER AND SELF ACTIVATE
IF NEEDED.

DWS

In the hours before

Special weather statement, May 20, 12:11 PM EDT, 1 hour 32 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
1211 PM EDT WED MAY 20 2009

FLZ053-058-201700-
OKEECHOBEE-OSCEOLA-
1211 PM EDT WED MAY 20 2009

...STRONG THUNDERSTORMS AFFECTING NORTHWESTERN OKEECHOBEE COUNTY...
SOUTHEASTERN OSCEOLA COUNTY...

AT 1210 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG CLUSTER OF STORMS 7 MILES SOUTH OF YEEHAW JUNCTION...MOVING
NORTHWEST AT 20 MPH.

LOCATIONS IN THE PATH OF THIS STRONG STORM INCLUDE KISSIMMEE PRAIRIE
PRESERVE.

THE PRIMARY THREAT WILL BE CLOUD TO GROUND LIGHTNING STRIKES AND
GUSTY WINDS OF 40 TO 45 MPH...WHICH MAY CAUSE UNSECURED OBJECTS TO
BLOW AROUND. HEAVY RAINFALL WILL TEMPORARILY REDUCE VISIBILITY. SEEK
SHELTER INDOORS UNTIL THE STORM PASSES.

A BRIEF PERIOD OF SMALL HAIL...PEA TO DIME SIZE...WILL ALSO BE
POSSIBLE IN LOCALIZED AREAS.

TORRENTIAL RAINFALL CAN BE EXPECTED...CAUSING TEMPORARY PONDING ON
SOME ROADS AND MINOR FLOODING OF POOR DRAINAGE AREAS. MOTORISTS
SHOULD SLOW DOWN IN HEAVY RAINFALL TO REDUCE THE RISK OF HYDROPLANING
AND LEAVE SAFE DISTANCE BETWEEN OTHER VEHICLES.

07
Special weather statement, May 20, 1:10 PM EDT, 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
110 PM EDT WED MAY 20 2009

FLZ053-058-201800-
OKEECHOBEE-OSCEOLA-
110 PM EDT WED MAY 20 2009

...STRONG THUNDERSTORMS AFFECTING OKEECHOBEE COUNTY AND WESTERN
OSCEOLA COUNTY...

AT 108 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG STORM OVER BASINGER...MOVING NORTHWEST AT 20 MPH. OTHER
STRONG STORMS WERE LOCATED NORTHWARD NEAR POINCIANA AND LAKE
KISSIMMEE IN OSCEOLA COUNTY.

THE PRIMARY THREAT WILL BE FREQUENT CLOUD TO GROUND LIGHTNING
STRIKES AND GUSTY WINDS OF 45 TO 55 MPH...WHICH CAN CAUSE UNSECURED
OBJECTS TO BLOW AROUND...SNAP TREE LIMBS OR CAUSE POWER OUTAGES.
HEAVY RAINFALL WILL TEMPORARILY REDUCE VISIBILITY. SEEK SHELTER
INDOORS UNTIL THE STORM PASSES.

A BRIEF PERIOD OF SMALL HAIL...PEA TO DIME SIZE...WILL ALSO BE
POSSIBLE IN LOCALIZED AREAS.

TORRENTIAL RAINFALL CAN BE EXPECTED...CAUSING TEMPORARY PONDING ON
SOME ROADS AND MINOR FLOODING OF POOR DRAINAGE AREAS. MOTORISTS
SHOULD SLOW DOWN IN HEAVY RAINFALL TO REDUCE THE RISK OF HYDROPLANING
AND LEAVE SAFE DISTANCE BETWEEN OTHER VEHICLES.

07
Local storm report, May 20, 1:25 PM EDT, 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
125 PM EDT WED MAY 20 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1142 PM     TORNADO          CASSELBERRY             28.66N 81.32W
05/19/2009                   SEMINOLE           FL   NWS STORM SURVEY

            LOW END EF0 TORNADO -65 MPH- WIDTH 50 YARDS PATH LENGTH
            1.5 MILES AT LAKE SHORE AND LAKE AVE

&&

MRT

The office that day

Everything else NWS Melbourne, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 19, 8:05 PM EDTAreal Flood AdvisoryMLBBrevard3 hr
May 19, 9:57 PM EDTGale WarningMLB12 hr
May 19, 10:30 PM EDTAreal Flood WarningMLBVolusia3 hr
May 19, 10:52 PM EDTSpecial Marine WarningMLB113 min
May 19, 11:35 PM EDTTornado WarningMLBLake, Orange, Seminole25 min
May 20, 12:05 AM EDTTornado WarningMLBBrevard, Seminole, Volusia25 min
May 20, 12:40 AM EDTSpecial Marine WarningMLB110 min
May 20, 1:11 AM EDTAreal Flood AdvisoryMLBBrevard, Seminole, Volusia2 hr
May 20, 1:26 AM EDTTornado WarningMLBLake, Seminole, Volusia34 min
May 20, 2:15 AM EDTAreal Flood AdvisoryMLBVolusia2 hr
May 20, 2:32 AM EDTSpecial Marine WarningMLB118 min
May 20, 3:17 AM EDTAreal Flood AdvisoryMLBBrevard, Seminole, Volusia118 min
May 20, 4:40 AM EDTAreal Flood AdvisoryMLBVolusia110 min
May 20, 7:29 AM EDTSpecial Marine WarningMLB61 min
May 20, 8:41 AM EDTSpecial Marine WarningMLB49 min
May 20, 10:11 AM EDTAreal Flood WarningMLBVolusia6 hr
May 20, 11:00 AM EDTLake Wind AdvisoryMLBOrange, Seminole, Volusia9 hr
May 20, 11:54 AM EDTCoastal Flood AdvisoryMLBVolusia56 hr
May 20, 2:04 PM EDTSevere Thunderstorm WarningMLBOkeechobee38 min
May 20, 2:41 PM EDTTornado WarningMLBOrange34 min
May 20, 4:13 PM EDTAreal Flood WarningMLBVolusia26 hr
May 20, 5:40 PM EDTSevere Thunderstorm WarningMLBIndian River28 min
May 20, 5:49 PM EDTTornado WarningMLBIndian River, Okeechobee, Saint Lucie41 min
May 20, 6:25 PM EDTAreal Flood AdvisoryMLBBrevard110 min

Nearby

High Surf Advisories in Florida, 2009Every high surf advisory in 2009

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.