Suppression Forecast
Issued by NWS Portland, OR

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FNUS76 KPQR 080038
FWSPQR

SPOT FORECAST FOR NIAGARA FIRE...ODF
NATIONAL WEATHER SERVICE PORTLAND OR
538 PM PDT TUE JUL 7 2015

FORECAST IS BASED ON REQUEST TIME OF 1658 PDT ON JULY 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...AN UPPER LOW FORECAST TO BE CENTERED OFF THE
NORTH-CENTRAL CALIFORNIA COAST LATE TONIGHT WILL SLOWLY DRIFT
NORTH TO NORTHEAST THE NEXT COUPLE OF DAYS. ANY THUNDERSTORM
DEVELOPMENT WEDNESDAY IS EXPECTED TO REMAIN SOUTH OF THE FIRE...
OVER THE HIGHER CASCADES OF LANE AND SOUTHERN LINN COUNTIES.
THE STORM THREAT SHIFTS MORE NORTH THURSDAY...CLOSE TO THE
FIRE AREA. PREDICTED STORM MOVEMENT THURSDAY WILL BE VERY SLOW.
THUS...ANY STORMS THAT DO OCCUR OVER THE FIRE OR IN THE VICINITY
WILL BE WET. THE LOCAL WIND REGIME SHOULD PREVAIL THROUGH MUCH
WEDNESDAY...BUT LOW-LEVEL ONSHORE FLOW WILL RESULT IN STRONGER
LATE-AFTERNOON WIND SPEEDS.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR (%).............0 PERCENT.
MAX TEMPERATURE.....82 HIGHEST ELEVATIONS TO 91 LOWEST.
MIN HUMIDITY........32 PERCENT LOWEST SOUTH ASPECTS TO 42
                    PERCENT HIGHEST ELEVATIONS.
WIND (20 FT)........UP-SLOPE TO 8 MPH BECOMING MORE WEST TO
                    NORTHWEST 6 TO 10 MPH AFTER 1500 WITH
                    GUSTS TO 16 MPH.
HAINES INDEX(HIGH)..4 (LOW).
HAINES INDEX(MID)...5 (MODERATE).

.WEDNESDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR (%).............0 PERCENT.
MIN TEMPERATURE.....57-62.
MAX HUMIDITY........80-90 PERCENT.
WIND (20 FT)........WEST TO NORTHWEST 6 TO 10 MPH THROUGH 1900
                    WITH GUSTS TO 16 MPH THEN DECREASING. WIND
                    BECOMING DRAINAGE TO 6 MPH BY MIDNIGHT.
HAINES INDEX(HIGH)..3 (VERY LOW).
HAINES INDEX(MID)...5 (MODERATE).

.THURSDAY...

SKY/WEATHER.........PARTLY CLOUDY. SOME BUILD-UPS IN THE
                    AFTERNOON.
CWR (%).............0 PERCENT.
MAX TEMPERATURE.....80 HIGHEST ELEVATIONS TO 89 LOWEST.
MIN HUMIDITY........33 PERCENT LOWEST SOUTH ASPECTS TO 43
                    PERCENT HIGHEST ELEVATIONS.
WIND (20 FT)........UP-SLOPE TO 5 MPH BECOMING WEST 5 TO 10 MPH IN
                    THE AFTERNOON.
HAINES INDEX(HIGH)..3 (VERY LOW).
HAINES INDEX(MID)...4 (LOW).

.FORECAST DAYS 3 THROUGH 5...

...INCREASING INSTABILITY FRIDAY...

.DISCUSSION...THE THUNDERSTORM THREAT EXPANDS FRIDAY...INCLUDING
THE FIRE AREA AND VICINITY. HOWEVER...THE AIR MASS WILL HAVE
BECOME MORE MOIST THE PRIOR COUPLE OF DAYS. THUS...ANY STORMS
THAT OCCUR WILL BE WET. A MUCH COOLER PATTERN DEVELOPS OVER
THE WEEKEND...ALTHOUGH A THUNDERSTORM THREAT REMAINS SUNDAY.

.FRIDAY...
PARTLY TO MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 58 TO 63. HIGHS 77 TO 87. SOUTHWEST
WIND 5 TO 10 MPH. MINIMUM HUMIDITY 35-45 PCT.
.SATURDAY...
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 54 TO 59. HIGHS 76 TO 86. SOUTHWEST WIND TO 10 MPH.
MINIMUM HUMIDITY 33-43 PCT.
.SUNDAY...
PARTLY TO MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS
55 TO 60. HIGHS 74 TO 84. WEST WIND TO 10 MPH. MINIMUM HUMIDITY
37-47 PCT.

$$
FORECASTER...WEISHAAR
REQUESTED BY...ANGIE LANE
REASON FOR REQUEST...WILDFIRE
.TAG 20150707.NIAGA.01/PQR



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