000 WWUS86 KPQR 301750 SPSPQR SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PORTLAND OR 950 AM PST SUN OCT 30 2005 WAZ019-040-311900- SOUTH WASHINGTON CASCADES-SOUTH WASHINGTON CASCADE FOOTHILLS- INCLUDING THE CITIES OF...COLDWATER RIDGE VISITORS CENTER... MOUNT ST. HELENS...TOUTLE...ARIEL...COUGAR 950 AM PST SUN OCT 30 2005 ...WIND FORECAST FOR MOUNT ST HELENS FOR PLANNING PURPOSES... .SYNOPSIS...WINDS ALOFT HAD VEERED TO THE NORTHWEST AT HIGHER ELEVATIONS BUT REMAINED MOSTLY FROM THE SOUTHWEST AT LOWER ELEVATIONS THIS MORNING AS A WEAK DISTURBANCE WAS PASSING BY AND AS AN UPPER RIDGE BUILDS AHEAD OF THE NEXT MUCH STRONGER SYSTEM. WINDS WILL SHIFT AROUND TO THE WEST TONIGHT AND TO THE SOUTHWEST MONDAY AS THE NEXT STRONGER SYSTEM APPROACHES AND MOVES INLAND. THE WINDS WILL REMAIN MOSTLY FROM THE SOUTHWEST MONDAY NIGHT AND TUESDAY AS YET ANOTHER SYSTEM MOVES ONSHORE. ================================================================== KEY TO DECODING THE WIND DATA... FORMAT... 168025 WHERE FIRST THREE DIGITS ARE THE WIND DIRECTION AND THE LAST THREE DIGITS ARE THE WIND SPEED. IN THIS EXAMPLE, WIND IS FROM 168 (SOUTH) AT 25 MPH. ***** ALL WIND DATA ARE IN MILES PER HOUR ***** ================================================================== SALEM OBSERVED BALLOON SOUNDING WINDS 10/30 (12Z) 200 FT 140003 (MPH) 700 FT 170009 (MPH) 1000 FT 195014 (MPH) 2000 FT 205015 (MPH) 2800 FT 210014 (MPH) 3000 FT 210014 (MPH) 4000 FT 225013 (MPH) 5000 FT 235014 (MPH) 5000 FT 240015 (MPH) 6000 FT 240015 (MPH) 7000 FT 250017 (MPH) 8000 FT 255022 (MPH) 9000 FT 260022 (MPH) 10000 FT 270021 (MPH) 10100 FT 270021 (MPH) 12000 FT 270022 (MPH) 13000 FT 270022 (MPH) 14000 FT 275026 (MPH) 16000 FT 280035 (MPH) 18400 FT 290046 (MPH) 19000 FT 290048 (MPH) 20000 FT 285055 (MPH) 21000 FT 280058 (MPH) 23600 FT 280058 (MPH) 25000 FT 285060 (MPH) 27000 FT 290058 (MPH) 29900 FT 300084 (MPH) 30000 FT 300084 (MPH) 32000 FT 300105 (MPH) 33800 FT 305102 (MPH) 35000 FT 305104 (MPH) 38500 FT 290083 (MPH) 44600 FT 280078 (MPH) 50000 FT 275063 (MPH) 53000 FT 270051 (MPH) 53100 FT 270048 (MPH) FORECAST WINDS FOR MOUNT ST HELENS ELEV. 10/30 0400PST 10/30 1600PST 10/31 0400PST 10/31 1600PST 3000 197004 188023 204050 225017 6000 293005 208027 239071 244029 9000 272014 212026 254069 253048 12000 276020 222025 254083 251069 15000 282023 250031 253086 256080 18000 280028 271046 264088 257083 21000 284045 281066 269095 257102 24000 282056 287091 269098 256110 27000 289066 287103 269101 254115 30000 295079 292112 270101 253120 33000 298084 293115 273104 252115 36000 292078 291114 273112 250112 39000 285074 290109 272121 250108 42000 280072 293093 272111 258102 45000 276067 293079 272099 264094 48000 274059 286068 270080 260081 51000 271051 279057 268060 257069 $$ FOR ADDITIONAL WEATHER INFORMATION...VISIT OUR WEB SITE AT WWW.WEATHER.GOV/PORTLAND