FNUS76 KPQR 201852 FWSPQR SPOT FORECAST FOR TUMBLEBUG...USFS WNF NATIONAL WEATHER SERVICE PORTLAND OR 1152 AM PDT SUN SEP 20 2009 FORECAST IS BASED ON REQUEST TIME OF 1122 PDT ON SEPTEMBER 20. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...RED FLAG WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON PDT TUESDAY... HIGH PRESSURE WILL SIT OVER THE REGION FOR THE NEXT SEVERAL DAYS. MEANWHILE...THERMAL LOW PRESSURE OVER SW OREGON WILL BUILD STRONGLY ALONG THE OREGON/WASHINGTON COAST TONIGHT AND MONDAY. THIS WILL BRING VERY WARM AND DRY OFFSHORE FLOW...WITH INCREASING EAST WINDS TO THE DISTRICT TONIGHT. WINDS STRONGEST DURING THE LATE NIGHT AND MORNING HOURS. EXPECT LOW AFTERNOON HUMIDITY AND POOR OVERNIGHT RH RECOVERIES ON RIDGETOPS AND MIDSLOPES. CONDITIONS WILL IMPROVE SLOWLY ON TUESDAY AFTERNOON AS THERMAL TROUGH BEGINS TO WEAKEN...BUT WARM AND DRY CONDITIONS CONTINUE. THERMAL TROUGH WILL SHIFT OVER THE CASCADES WEDNESDAY AFTERNOON. ON THURSDAY...A MARINE PUSH WILL BRING SHORT-LIVED COOLER/HIGHER RH TO THE REGION...AS TURNS WARM AND DRY AGAIN NEXT WEEKEND. FCSTR...ROCKEY. .TODAY (SUNDAY 20 SEPT )... SKY/WEATHER.........SUNNY. CWR (%).............0 PERCENT. MAX TEMPERATURE.....74-77. MIN HUMIDITY........15-19 PERCENT. HAINES INDEX........4 (MODERATE) WIND (20 FT)........NORTH 2-4 MPH...BECOMING NORTH TO NORTHEAST 4-7 THIS AFTERNOON. TIME (PDT) 11 AM 1 PM 3 PM 5 PM 7 PM CLOUDCOVER...... 5% 1% 0% 0% 0% TEMP............ 58 67 74 77 73 RH.............. 41% 24% 16% 14% 15% 20 FT WIND...... NE 3 NE 3-4 NE 4-6 NE 4-6 NE 4-6 MAX GUST..... 5 7 10 11 12 .TONIGHT... SKY/WEATHER.........CLEAR. CWR (%).............0 PERCENT. MIN TEMPERATURE.....50-55. MAX HUMIDITY........35-44 PERCENT...LOWEST ON RIDGES. HAINES INDEX........4 (MODERATE). WIND (20 FT)........NORTH TO NORTHEAST 5-8 MPH. AFTER MIDNIGHT...WIND TURNING MORE EAST...WITH 10-13 MPH AND GUSTY OVER RIDGETOPS AND EAST WIND EXPOSED DRAINAGES. TIME (PDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM CLOUDCOVER...... 0% 0% 0% 0% 0% 0% TEMP............ 73 66 57 54 58 62 RH.............. 15% 23% 35% 39% 31% 26% 20 FT WIND...... NE 4-6 NE 4-6 NE 4-7 E 5-8 E 6-9 E 8-10 MAX GUST..... 12 12 12 13 15 15-20 NOTE: STRONGEST WINDS TO BE OVER RIDGES AND EAST WIND EXPOSED DRAINAGES. .MONDAY... SKY/WEATHER.........SUNNY. CWR (%).............0 PERCENT. MAX TEMPERATURE.....84-87. MIN HUMIDITY........VERY LOW. 8-10 PERCENT. HAINES INDEX........5 (HIGH). WIND (20 FT)........EAST 10 TO 14 MPH...WITH GUSTS OF 20-30 MPH. AGAIN... STRONGEST WINDS TO BE ON RIDGES AND EAST WIND EXPOSED LOCATIONS. TIME (PDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM CLOUDCOVER...... 0% 0% 0% 0% 0% 0% TEMP............ 71 77 81 83 85 86 RH.............. 21% 13% 11% 10% 9% 9% 20 FT WIND...... E 8-10 E 9-11 E 9-12 E 9-12 E 8-13 E 9-13 MAX GUST..... 15-20 15-20 16-22 17-22 15-22 17-22 $$ FORECASTER...ROCKEY REQUESTED BY...JOHN HECKMAN REASON FOR REQUEST...WILDFIRE .TAG 20090920.TUMBL.01/PQR