FNUS75 KBOU 271547 FWSBOU SPOT FORECAST FOR SHEEP MTN RX...USFS NATIONAL WEATHER SERVICE DENVER CO 945 AM MDT TUE APR 27 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. NOTE: PLEASE EXCUSE THE DELAY. WE HAD A PROBLEM WITH OUR FORECAST AND WIND DATA FORMATTER THIS MORNING. .DISCUSSION...HIGH PRESSURE AT THE SURFACE AND ALOFT WILL BE OVER THE AREA TODAY RESULTING IN LIGHT TERRAIN DRIVEN WINDS AND GENERALLY CLEAR SKIES. THIS HIGH PRESSURE SYSTEM WILL THEN MOVE EAST OF THE STATE TONIGHT AND WEDNESDAY AS A DEEP UPPER LEVEL TROUGH AND ASSOCIATED STRONG PACIFIC COLD FRONT MOVE ACROSS EASTERN GREAT BASIN. LOOK FOR SURFACE WINDS TO STRENGTHEN ON THE HIGH RIDGE TOPS TONIGHT AND ACROSS THE VALLEY FLOORS ON WEDNESDAY AS THE SURFACE PRESSURE GRADIENT TIGHTENS AND SOUTHWEST WINDS ALOFT INCREASE IN ADVANCE OF THIS POTENT LOW PRESSURE SYSTEM. COULD SEE A FEW SHOWERS AND THUNDERSTORMS FORMING OVER THE SURROUNDING MOUNTAIN RANGES BY LATE TOMORROW AFTERNOON. TEMPERATURES THE NEXT 24 HOURS WILL WARM BY SEVERAL DEGREES AS HUMIDITIES FALL WITH THE EXPECTED GUSTY PRE-FRONTAL WINDS. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .REST OF TODAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....58. MIN HUMIDITY........23-27%. WIND (20 FT)........SOUTHWEST WINDS 9-15 MPH. TRANSPORT WINDS.....WEST 21-32 MPH. MIXING HEIGHT.......4000-5000 FT AGL UNTIL 1200...THEN 7600-8600 FT AGL. SMOKE DISPERSAL.....FAIR UNTIL 1000 THEN EXCELLENT AFTER 1300. HAINES INDEX........4 LOW. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....34. MAX HUMIDITY........56-63%. WIND (20 FT)........SOUTHWEST WINDS 8-14 MPH UNTIL 0200...THEN DOWNSLOPE/DOWNVALLEY 4-8 MPH. TRANSPORT WINDS.....SOUTHWEST 22-28 MPH. MIXING HEIGHT.......8400 FT AGL UNTIL 1900...LOWERING TO 1400-1900 FT AGL AFTER 0200. SMOKE DISPERSAL.....VERY GOOD UNTIL 1900...BECOMING POOR AFTER 2400. HAINES INDEX........3 VERY LOW. .WEDNESDAY... SKY/WEATHER.........PARTLY CLOUDY(30-40%). WINDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1600. MAX TEMPERATURE.....57-62. MIN HUMIDITY........21-26%. WIND (20 FT)........SOUTHWEST WINDS 12-22 MPH. GUSTS UP TO 35 MPH IN THE LATE MORNING AND AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 33-48 MPH. MIXING HEIGHT.......6000-7000 FT AGL AFTER 1000...8900-9600 FT AGL AFTER 1300. SMOKE DISPERSAL.....POOR UNTIL 0700...THEN GOOD UNTIL 0800...THEN VERY GOOD UNTIL 0900...THEN EXCELLENT. HAINES INDEX........3 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .THURSDAY...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS UNTIL 1800...THEN SLIGHT CHANCE OF RAIN AND SNOW. COLDER. LOWS IN THE MID 20S. HIGHS IN THE UPPER 30S. NORTHWEST WINDS AROUND 13 MPH WITH GUSTS TO AROUND 30 MPH. .FRIDAY...CLOUDY. SLIGHT CHANCE OF RAIN UNTIL 0600. SLIGHT CHANCE OF SNOW. SLIGHT CHANCE OF RAIN AFTER 1200. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S. WEST WINDS AROUND 11 MPH WITH GUSTS TO AROUND 20 MPH. .SATURDAY...CLOUDY. SLIGHT CHANCE OF SNOW. SLIGHT CHANCE OF RAIN AFTER 1200. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. EXPERIMENTAL FIRE WEATHER TABLE FOR SHEEP MTN RX. +++ DATA IN THE FOLLOWING TABLE HAS BEEN SAMPLED DIRECTLY FROM THE DIGITAL DATABASE. VALUES IN THE TABLE MAY NOT AGREE WITH INFORMATION IN THE NARRATIVE FORECAST. INFORMATION CONTAINED IN THIS TABLE SHOULD NOT BE CONSIDERED AN OFFICIAL FORECAST. PLEASE PROVIDE FEEDBACK IF THE INFORMATION IN THIS TABLE HAS BEEN REPRESENTATIVE AND/OR USEFUL. +++ FORECAST SC PP TF RH 20FT G H L 10K MIXG TRAN VENTL AJTV VALID AT % % F % WIND S I A WIND HGT WIND RATE RATNG MPH T L MPH AGL MPH KT-FT 04/27-09 10 0 38 51 SW 12 12 4 1 W41 3082 W 18 49230 F 04/27-10 10 0 43 41 SW 9 1 4346 W 23 94504 G 04/27-11 10 0 47 35 SW 10 1 5609 W 26 139777 V 04/27-12 15 0 51 30 SW 12 12 3 1 W41 6873 W 31 185051 E 04/27-13 15 0 53 27 SW 12 1 7487 W 31 199221 E 04/27-14 15 0 55 25 SW 13 1 8101 W 30 213391 E 04/27-15 13 0 56 24 SW 14 22 2 1 W46 8714 W 30 227560 E 04/27-16 13 0 56 23 SW 12 1 8633 W 31 235294 E 04/27-17 13 0 55 24 SW 12 1 8552 W 32 243028 E 04/27-18 27 0 53 26 SW 10 10 2 1 W45 8471 W 35 250762 E 04/27-19 27 0 52 28 SW 10 1 6343 SW 32 184975 E 04/27-20 27 0 48 32 SW 10 1 4214 SW 31 119188 V 04/27-21 27 0 44 37 SW 9 9 2 1 W45 2086 SW 30 53402 F 04/27-22 27 0 42 41 SW 9 1 1517 SW 29 38479 P 04/27-23 27 0 40 43 SW 9 1 948 SW 28 23555 P 04/28-00 27 0 39 45 SW 10 10 2 1 SW41 380 SW 26 8632 P 04/28-01 27 0 38 48 SW 13 1 373 SW 28 8903 P 04/28-02 27 0 36 50 SW 12 1 365 SW 29 9174 P 04/28-03 27 0 36 52 SW 8 8 3 1 SW56 358 SW 30 9445 P 04/28-04 27 0 35 54 SW 8 1 430 SW 31 11854 P 04/28-05 27 0 35 56 S 12 1 502 SW 32 14262 P 04/28-06 42 0 35 56 S 8 8 3 1 SW74 574 SW 33 16670 P 04/28-07 42 0 37 52 S 10 1 1741 SW 37 61327 G 04/28-08 42 0 39 46 SW 14 1 2907 SW 39 105984 V 04/28-09 42 0 42 39 SW 17 28 3 1 SW60 4074 SW 43 150642 E 04/28-10 42 0 45 33 SW 18 1 4593 SW 43 170723 E 04/28-11 42 0 48 30 SW 14 1 5111 SW 43 190805 E 04/28-12 41 8 50 27 SW 17 33 3 2 SW55 5630 SW 43 210887 E 04/28-13 41 8 52 26 SW 20 2 6280 SW 43 233331 E 04/28-14 41 8 53 26 SW 16 2 6930 SW 43 255775 E 04/28-15 42 10 53 27 SW 17 33 3 2 SW73 7580 SW 43 278219 E 04/28-16 42 10 53 28 SW 16 2 6909 SW 41 250752 E 04/28-17 42 10 52 30 SW 15 2 6239 SW 41 223285 E 04/28-18 44 20 49 34 SW 13 17 3 3 SW79 5568 SW 40 195818 E 04/28-19 44 20 47 37 SW 23 3 4803 SW 33 150202 E 04/28-20 44 20 43 44 W 20 3 4037 SW 28 104586 V 04/28-21 44 20 38 52 W 16 28 3 3 SW73 3272 SW 21 58970 F 04/28-22 44 40 35 57 W 13 2 4549 W 17 70300 G 04/28-23 44 40 32 61 NW 10 2 4151 NW 13 48426 F 04/29-00 76 40 31 65 NW 8 8 2 2 SW55 3753 NW 8 26552 P 04/29-01 76 40 29 69 NW 7 2 3758 NW 10 32030 P 04/29-02 76 40 27 72 NW 7 2 3763 NW 12 37509 P 04/29-03 76 40 26 75 NW 8 8 3 2 W40 3768 NW 13 42987 F 04/29-04 76 40 26 76 N 9 2 4276 NW 15 57520 F 04/29-05 76 40 26 75 N 9 2 4784 NW 17 72053 G 04/29-06 80 40 26 73 N 10 10 3 2 W24 5292 W 18 86585 G 04/29-07 80 40 28 68 N 10 2 5712 W 20 99476 G 04/29-08 80 40 27 70 N 12 2 6131 W 21 112367 V 04/29-09 80 40 29 65 NW 12 12 3 2 W29 6550 W 22 125257 V 04/29-10 80 40 31 60 NW 13 2 7814 W 24 165404 E 04/29-11 80 40 33 55 NW 13 2 9078 W 25 205550 E 04/29-12 80 40 34 52 NW 14 22 3 2 W33 10342 W 28 245696 E 04/29-13 80 40 35 50 NW 15 2 10902 W 29 268750 E 04/29-14 80 40 36 48 NW 15 2 11462 W 29 291803 E 04/29-15 80 40 36 46 NW 16 25 3 2 W35 12022 W 30 314856 E 04/29-16 80 40 36 45 NW 17 2 12017 W 31 324254 E 04/29-17 80 40 36 44 W 20 2 12012 W 32 333651 E 04/29-18 80 20 35 45 W 20 31 3 1 W37 12007 W 33 343048 E 04/29-19 80 20 34 45 W 17 1 10537 W 32 296915 E 04/29-20 80 20 33 47 W 15 1 9066 W 31 250782 E 04/29-21 80 20 31 49 W 13 13 3 1 W35 7595 W 31 204649 E 04/29-22 80 20 30 51 W 12 1 7258 W 31 192859 E 04/29-23 80 20 29 51 W 12 1 6920 W 30 181069 E 04/30-00 82 20 29 52 W 12 12 3 1 NW31 6583 W 30 169280 E 04/30-01 82 20 28 52 W 12 1 6541 W 29 160929 E 04/30-02 82 20 27 52 W 12 1 6499 W 26 152578 E 04/30-03 82 20 27 52 W 12 12 3 1 NW32 6457 NW 25 144228 V 04/30-04 82 20 27 51 W 12 1 6460 NW 24 136840 V 04/30-05 82 20 27 51 W 12 1 6464 NW 23 129452 V 04/30-06 82 20 27 51 W 12 12 3 1 NW32 6467 NW 22 122064 V KEY: FORECAST - MONTH/DAY-HOUR OF FORECAST /24-HOUR CLOCK LOCAL TIME/ VALID AT SC - SKY COVER /PERCENT/ PP - PROBABILITY OF PRECIPITATION /PERCENT/ TF - TEMPERATURE /DEGREES F/ RH - RELATIVE HUMIDITY /PERCENT/ 20FT WIND - 20-FOOT WIND /MPH/ GST - 20-FOOT WIND GUST /MPH/ HI - HAINES INDEX LAL - LIGHTNING ACTIVITY LEVEL 10K WIND - 10000 FEET ABOVE GROUND LEVEL FREE-AIR WINDS /MPH/ MIXG HGT - MIXING HEIGHT /FEET ABOVE GROUND LEVEL/ TRAN WIND - TRANSPORT WINDS /MPH/ VENTL RATE - VENTILATION RATE /KNOT-FEET/ AJTV RATNG - SMOKE DISPERSION ADJECTIVE RATING P - POOR F - FAIR G - GOOD V - VERY GOOD E - EXCELLENT $$ FORECASTER...BAKER WFO BOULDER REQUESTED BY...JUSTIN KINCAID REASON FOR REQUEST...PRESCRIBED .TAG 20100427.SHEEP.02/BOU