434
FXHW01 KWNH 140744
PMDHI
HAWAII EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
244 AM EST SAT FEB 14 2026
VALID 00Z SUN 15 FEB 2026 - 00Z SUN 22 FEB 2026
UPPER RIDGING WILL BE IN PLACE FOR SEVERAL DAYS ACROSS THE STATE
WHICH WILL BE CONDUCIVE FOR TRADEWINDS AND UPSLOPE SHOWER
ACTIVITY. A BRIEF RISE IN SHOWER INTENSITY AND COVERAGE MAY BE
POSSIBLE SUNDAY INTO MONDAY AS A MODEST SURGE IN MOISTURE WILL BE
NOTED FROM THE NORTHEAST. BREEZY TO WINDY CONDITIONS ARE ALSO
LIKELY IN RESPONSE TO THE PRESSURE GRADIENT BETWEEN THE HIGH TO
THE NORTHEAST AND A BROAD SURFACE LOW/TROUGH OF LOW PRESSURE SOUTH
AND WEST OF THE ARCHIPELAGO. WINDS SHOULD VEER WITH TIME EARLY TO
MID NEXT WEEK AS A SURFACE HIGH PRESSURE AREA EXERTS MORE
INFLUENCE FROM THE NORTH...WHICH STARTS TO DRAW DEEPER MOISTURE
NORTHWARD AROUND THE SOUTHWEST PERIPHERY OF THE RIDGE.
THE LATEST GUIDANCE CONTINUES TO DEPICT AN UPPER LEVEL TROUGH AND
ASSOCIATED FRONTAL SYSTEM TO TRACK FROM THE PAPAHANAUMOKUAKEA
MARINE NATIONAL MONUMENT TOWARDS THE MAIN HAWAIIAN ISLANDS. TRENDS
SUGGEST THAT A SECONDARY UPPER LEVEL TROUGH/LOW WILL DEVELOP TO
THE NORTHWEST OF THE ISLAND TOWARD THE END OF THE END OF THE
WEEK. THERE IS A FAIR AMOUNT OF SPREAD IN REGARDS TO WHETHER THIS
WILL BE A DRIER OR WETTER PERIOD FOR THE WESTERN PART OF THE
STATE.
CAMPBELL/ROTH
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