000 FNUS56 KPQR 222137 FWFPQR LAND MANAGEMENT FORECAST NATIONAL WEATHER SERVICE PORTLAND OREGON 245 PM PDT Tue Apr 22 2003 ***FIRE WEATHER DESK IS STAFFED MONDAY-FRIDAY 7AM-3PM...FOR WEEKEND SPOTS PLEASE SUBMIT BY MIDDAY FRIDAY..THANK YOU*** ...STRONG COLD FRONT TO MOVE INTO DISTRICT WEDNESDAY... DISCUSSION: A very weak ridge of high pressure will be over the Pacific Northwest this evening. A strong cold front is expected to reach the west side zones Wednesday morning then cross the Cascades in the evening. This front is associated with another cold upper level low pressure area. Snow levels are expected to drop to pass levels in the Cascades Wednesday night then lower to around 2500 feet by Friday. This upper low will affect the district through early next week. ***************************************************************** Forecast winds are 10 minute averages 20 ft above vegetation. ***************************************************************** ORZ001>005-WAZ020>022 AREA 1...COASTAL ZONES 601 602 603 612 .TONIGHT WEATHER: Cloudy...except mostly cloudy this evening zones 602 and 603. A chance of rain overnight. TEMP: Lows in the 40s. HUMIDITY: Maximums above 90 percent. WIND: W 5-8 mph peaks/ridge-tops in the evening then SW 10-14 mph with gusts to 30 mph. SW-s 3-7 mph coastal strip zone 601 and n-nw coastal strip zone 612 this evening...then SE-S 8-11 mph. Sw 5-8 mph major corridors and valleys. .WEDNESDAY WEATHER: Rain. TEMP: Highs 45 to 55...coolest in the Willapa Hills and Coast Range. HUMIDITY: Minimums above 80 percent. WIND: SW 9-13 mph peaks/ridge-tops with gusts to 28 mph. S 7-10 mph coastal strip...turning SW in the afternoon. Gusts to 25 mph. S-SW 5-9 mph elsewhere with gusts to 22 mph. .THURSDAY WEATHER: Showers likely. A chance of afternoon thunderstorms. TEMP: highs 45 to 55...coolest in the Willapa Hills and Coast Range. HUMIDITY: Minimums 75 to 85 percent. WIND: sw 6 to 10 mph peaks/ridge-tops with gusts to 26 mph. S-sw 5-9 mph coastal strip with gusts to 20 mph. Sw 4-8 mph elsewhere. Erratic and gusty winds with any thunderstorms. ================================================================= ORZ006>008-WAZ039 AREA 2...WILLAMETTE VALLEY ZONE 604 .TONIGHT WEATHER: Cloudy...except mostly cloudy near east slopes of coast range this evening. TEMP: Lows 40 to 45. HUMIDITY: Maximums above 90 percent. WIND: S 2-5 mph...except E-SE north of Salem. .WEDNESDAY WEATHER: Rain developing. TEMP: Highs in the middle to upper 50s. HUMIDITY: Minimums 65 to 70 percent. WIND: SE-S 4-8 mph...switching to SW 6-10 mph late in the afternoon with gusts to 25 mph. .THURSDAY WEATHER: Showers likely. A chance of afternoon thunderstorms. TEMP: highs in the middle 50s. HUMIDITY: minimums 55 to 65 percent. WIND: sw 5-9 mph with gusts to 20 mph. Erratic and gusty winds with any thunderstorms. ================================================================= WAZ040-019-023-ORZ009>011 AREA 3...CASCADE ZONES 660 605 607 .TONIGHT WEATHER: Mostly cloudy. TEMP: Lows 30 to 40. HUMIDITY: Maximums above 85 percent. WIND: W 6-10 mph peaks/ridges...becoming SW 8-13 mph overnight. W 4-7 mph along the Columbia River west of Stevenson in the evening...then decreasing and becoming variable 1-3 mph. W-NW 7-11 mph east of Stevenson in the evening with gusts to 26 mph then decreasing. .WEDNESDAY WEATHER: Rain developing. Snow level 4500 feet. TEMP: Highs 42 to 52...warmest lowest foothills. HUMIDITY: Minimums 70 to 80 percent. WIND: SW 10-15 mph peaks/ridge-tops with gusts to 35 mph. E 4-8 mph along the Columbia River west of Stevenson. Variable 2-5 mph eastward. E-SE 2-5 mph elsewhere. .THURSDAY WEATHER: Showers likely. A chance of afternoon thunderstorms. Snow level 3000 feet. TEMP: highs in the upper 30s to middle 40s...warmest lowest foothills. HUMIDITY: minimums above 80 percent. WIND: sw 9-13 mph peaks/ridge-tops with gusts to 30 mph. W 4-8 mph near the Columbia river with gusts to 20 mph. Sw 3-7 mph elsewhere with gusts to 20 mph. Erratic and gusty winds with any thunderstorms. ================================================================= ORZ010>013 AREA 4...CASCADE ZONES 606 608 .TONIGHT WEATHER: Mostly cloudy. TEMP: Lows 30 to 40. HUMIDITY: Maximums above 85 percent. WIND: W-NW 5-9 mph peaks/ridge-tops in the evening then SW 7-11 mph. SW-W 4-8 mph major river valleys in the evening then becoming E-SE 3-6 mph. Down-slope or E 2-5 mph elsewhere. .WEDNESDAY WEATHER: Rain developing. Snow level 4500 feet. TEMP: Highs 43 to 53. HUMIDITY: Minimums 65 to 80 percent. WIND: SW 8-12 mph peaks/ridge-tops with gusts to 30 mph. E-SE 5- 9 mph major river valleys with gusts to 22 mph. SE-S 3-7 mph elsewhere. .THURSDAY WEATHER: Showers likely. A chance of afternoon thunderstorms. Snow level 3000 feet. TEMP: highs in the 40s...warmest lowest foothills. HUMIDITY: minimums above 80 percent. WIND: sw 9-13 mph peaks/ridge-tops with gusts to 30 mph. Sw 3-7 mph elsewhere with gusts to 20 mph. Erratic and gusty winds with any thunderstorms. ================================================================= ORZ042-43 AREA 5...EASTSIDE ZONES...609 610 611 .TONIGHT WEATHER: Partly cloudy. TEMP: Lows in the 30s...except 25 to 30 south part zone 611. HUMIDITY: Maximums above 85 percent...except 75 to 85 percent peaks/ridge-tops. WIND: NW 6-10 mph peaks/ridge-tops...becoming SW late. W-NW 4-8 mph elsewhere in the evening then becoming downslope or local drainage 1-4 mph. .WEDNESDAY WEATHER: Partly cloudy morning then increasing clouds. A chance of rain in the afternoon. TEMP: Highs 50 to 60...except 45 to 50 near the Cascade Crest and other ridge-tops. HUMIDITY: Minimums 45 to 55 percent...except 55 to 65 percent west half zone 609 and over other ridge-tops. WIND: S-SW wind 8-12 mph peaks/ridge-tops and west half zone 609 with gusts to 27 mph. Generally SW 5-9 mph elsewhere with gusts to 22 mph exposed areas. .THURSDAY WEATHER: mostly cloudy with a chance of showers. A slight chance of afternoon thunderstorms. TEMP: highs 45 to 55...except 35 to 40 near the cascade crest and other ridge tops. HUMIDITY: minimums 45 to 55 percent in basins and valleys. 55 to 65 percent near cascade crest and other ridge-tops. WIND: w 4-8 mph peaks/ridge-tops and east half zone 609 and over other ridge tops with gusts to 20 mph. Sw 3-7 mph elsewhere. Erratic and gusty winds with any thunderstorms. ================================================================= Outlook for Friday through Sunday... WESTSIDE...... Friday...Scattered Showers. A slight chance of afternoon thunderstorms. Highs in the lower 40s to middle 50s...warmest in valleys. Elevated daytime minimum relative humidity. S-SW wind 5-10 mph. Saturday...Scattered showers. A slight chance of afternoon thunderstorms. Highs in the lower 40s to upper 50s...warmest in valleys. Elevated daytime minimum relative humidity. SW wind 5-10 mph. Sunday...mostly cloudy with a chance of showers. Highs in the middle 40s to upper 50s...warmest in valleys. daytime minimum relative humidity 50 to 70 percent. EASTSIDE... Friday...mostly cloudy with a Chance of showers and afternoon thunderstorms. Highs 45 to 55...coolest along peaks/ridge-tops. daytime minimum relative humidity 50 to 70 percent. Sw wind 5 to 10 mph. Saturday...mostly cloudy with a Chance of showers. Highs 45 to 55...coolest along peaks/ridge-tops. daytime minimum relative humidity 50 to 70 percent. SW wind 5-10 mph. Sunday...mostly cloudy with a chance of showers. Highs 45 to 50...coolest along peaks/ridge tops. daytime minimum relative humidity 40 to 60 percent. Light and variable wind 5 mph.