High Wind Warning 7, NWS Honolulu, HI

000 
WWHW70 PHFO 020142
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
342 PM HST SUN APR 1 2007

...STRONG WINDS CONTINUE ACROSS THE BIG ISLAND SUMMITS...

.AN UPPER LEVEL TROUGH NORTH OF THE ISLANDS WILL MAINTAIN STRONG
WEST TO SOUTHWEST WINDS ACROSS THE BIG ISLAND SUMMITS THROUGH
TONIGHT.

HIZ028-021445-
/O.CON.PHFO.HW.W.0007.000000T0000Z-070402T1600Z/
BIG ISLAND SUMMITS-
342 PM HST SUN APR 1 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM HST MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM HST MONDAY. 

WEST TO SOUTHWEST WINDS 40 TO 45 MPH WITH GUSTS TO 60 MPH WILL
CONTINUE THROUGH TONIGHT.

THE HIGH WINDS WILL CREATE HAZARDOUS CONDITIONS AND TRAVEL TO THE
SUMMITS IS NOT ADVISED...ESPECIALLY FOR HIGH PROFILE VEHICLES.

$$

MORRISON

000 
WWHW70 PHFO 021331
NPWHFO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
331 AM HST MON APR 2 2007

HIZ028-030145-
/O.CAN.PHFO.HW.W.0007.000000T0000Z-070402T1600Z/
/O.NEW.PHFO.WI.Y.0020.070402T1331Z-070403T0400Z/
BIG ISLAND SUMMITS-
331 AM HST MON APR 2 2007

...HIGH WIND WARNING IS CANCELLED...
...WIND ADVISORY IN EFFECT UNTIL 6 PM HST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM HST THIS AFTERNOON.

WEST WINDS OF 25 TO 30 MPH WITH HIGHER GUSTS WILL CONTINUE
THROUGH THIS AFTERNOON.

MOTORISTS SHOULD USE EXTRA CAUTION SINCE THESE STRONG WINDS CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.

$$

HOUSTON

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HONOLULU HI
400 AM HST SUN APR 1 2007

.SYNOPSIS...HIGH PRESSURE MOVING IN FROM THE NORTHWEST WILL PRODUCE
A BRIEF PERIOD OF LIGHT TO MODERATE NORTHEAST TRADES THROUGH MONDAY.
A HIGH PRESSURE RIDGE WILL MOVE IN OVER OR JUST NORTH OF THE ISLANDS
BY WEDNESDAY...FOR A RETURN TO LIGHT WINDS...DAYTIME SEA BREEZES AND
NIGHTTIME LAND BREEZES.

&&

.DISCUSSION...
WEATHER RADARS PAINT A RATHER BUSY PICTURE THIS MORNING ACROSS
THE WESTERN HALF OF THE MAIN HAWAIIAN ISLANDS. THE MOST ORGANIZED
FEATURE IS A LINE OF SHOWERS CURRENTLY OVER KAUAI. THIS LINE OF
SHOWERS MARKS THE WIND SURGE ASSOCIATED WITH THE INCOMING NORTH TO
NORTHEAST WINDS. THE ANAHOLA GAGE PICKED UP OVER HALF AN INCH
BETWEEN 315 AND 345 THIS MORNING. TO THE SOUTH OF KAUAI AND WEST OF
OAHU...THERE ARE SCATTERED RADAR ECHOS THAT ARE MOVING TOWARD THE
EAST. THESE ECHOS ARE AT MID LEVELS OF THE ATMOSPHERE AND THE MOTION
AGREES WITH MID LEVEL WESTERLY WINDS SHOWN BY RADAR AND THE LIHUE
SOUNDING. WHATS UNCLEAR IS HOW MUCH OF THIS PRECIPITATION IS
ACTUALLY REACHING THE SURFACE. THE LIHUE SOUNDING INDICATES A FAIR
AMOUNT OF MOISTURE BELOW 8 THOUSAND FEET...ELIMINATING EVAPORATION
AS A HUGE FACTOR...THUS SOME OF THE SHOWERS MUST BE HITTING THE
OCEAN. FINALLY...THERE ARE A FEW ECHOS SOUTH OF OAHU THAT HAVE
REMAINED NEARLY STATIONARY OVER THE PAST 2 TO 3 HOURS. THESE ECHOS
DO NOT CORRELATE WELL TO SATELLITE IMAGERY...SO AM NOT COMPLETELY
SURE WHAT IS PRODUCING THE RETURNS.

THE HAWAIIAN ISLANDS LIE CURRENTLY WITHIN A TRANSITION ZONE BETWEEN
HIGH PRESSURE TO THE NORTHWEST...A DISSIPATING SURFACE TROUGH TO THE
EAST...AND A SECOND SURFACE TROUGH TO OUR NORTH. THE SURFACE TROUGH
TO OUR EAST...RESPONSIBLE FOR KEEPING WINDS GENERALLY LIGHT ACROSS
THE STATE FOR THE PAST FEW DAYS...APPEARS TO HAVE FINALLY STARTED
DRIFTING AWAY FROM THE ISLANDS. THE TROUGH NORTH OF THE ISLANDS HAS
SINCE BECOME THE MORE DOMINANT OF THE TWO...BUT WILL FOLLOW ITS
PREDECESSORS PATH AND MOVE EASTWARD. IN THEIR PLACE...NORTHERLY
WINDS ASSOCIATED WITH HIGH PRESSURE FAR NORTHWEST OF KAUAI WILL FILL
IN ACROSS KAUAI THROUGH MAUI TODAY. THE WINDS WILL BE STRONG ENOUGH
TO PREVENT WIDESPREAD SEA BREEZE DEVELOPMENT...THOUGH LOCAL SEA
BREEZES WILL STILL OCCUR ACROSS WIND SHELTERED LEE AREAS. THE
NORTHEAST WINDS WILL NOT REACH THE BIG ISLAND UNTIL LATER THIS
EVENING. SHOWERS WILL FAVOR WINDWARD AREAS ONCE THE NORTHEAST WINDS
SETTLE IN LATER TODAY.

ON MONDAY...HIGH PRESSURE CENTERED NORTHWEST OF KAUAI WILL PRODUCE
A BRIEF RETURN TO MODERATE NORTHEAST TRADES. STARTING TUESDAY...THE
HIGH WILL MOVE SOUTHWARD...DRAGGING ITS ASSOCIATED RIDGE DOWN TO 25N
ON TUESDAY AND EVENTUALLY OVER THE STATE BY THURSDAY. THE RESULT
WILL BE A RETURN TO LIGHT OR NO TRADES WITH LAND AND SEA BREEZES
BECOMING THE DOMINANT WIND PATTERN OVER THE SECOND HALF OF THIS
WEEK AND INTO NEXT WEEKEND. THE ATMOSPHERE WILL BE QUITE STABLE AND
MOISTURE LIMITED...THUS EXPECT NO MORE THAN ISOLATED LIGHT AFTERNOON
SHOWERS OVER INTERIOR AREAS FROM WEDNESDAY THROUGH SATURDAY. NIGHTS
AND MORNINGS WILL BE MOSTLY CLEAR.

WINDS ACROSS THE BIG ISLAND SUMMITS HAVE INCREASED OVERNIGHT AND THE
ADVISORY HAS BEEN UPGRADED TO A WARNING. THE STRONG WINDS WILL LAST
THROUGH THIS EVENING AND DECREASE BY MONDAY MORNING.

&&

AN INCOMING NORTHWEST SWELL WILL PRODUCE SURF APPROACHING ADVISORY
LEVELS THURSDAY.

&&

.HFO WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY UNTIL 6 AM HST MONDAY FOR BIG ISLAND SUMMITS.

&&

TANABE