920
FGUS76 KOTX 112140
ESFOTX
WAC007-017-019-047-122145-
HYDROLOGIC OUTLOOK
NATIONAL WEATHER SERVICE SPOKANE WA
240 PM PDT FRI SEP 11 2026
...PERSISTENT RAIN TO BRING AN INCREASED RISK FOR BURN SCAR
DEBRISFLOWS AND ROCK SLIDES...
A SLOW MOVING STORM SYSTEM WILL BRING 12 TO 15 HOURS OF RAIN TO
CENTRAL WASHINGTON SATURDAY NIGHT THROUGH SUNDAY NIGHT. POTENTIAL
RAIN AMOUNTS WILL VARY FROM HALF AN INCH TO UP TO TWO INCHES. THIS
WILL BRING AN ELEVATED RISK FOR DEBRIS FLOWS OVER SENSITIVE BURN
SCARS WITHIN STEEP TERRAIN AS WELL AS ISOLATED ROCK SLIDES.
THE POTENTIAL HAZARD THREAT WILL INCREASE SLOWLY THROUGHOUT THE EVENT
AS SOILS BECOME SATURATED.
THE PROBABILITY FOR AN INCH OR MORE OF RAIN RANGES FROM 40-50% FOR
THE MODRITE, KAISER CANYON, CHELAN HILLS, AND LABOR MOUNTAIN BURN
SCARS AND BETWEEN 15-30% FOR SINLAHEKIN, SISI, AND LITTLE GIANT BURN
SCARS.
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