FNUS75 KBOU 232242 FWSBOU SPOT FORECAST FOR HALLETT SLIDE...USFS NATIONAL WEATHER SERVICE DENVER CO 422 PM MDT MON MAY 23 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS THE AREA THE REST OF THIS AFTERNOON AND EVENING AS A WEAK UPPER LEVEL DISTURBANCE MOVES ACROSS EASTERN COLORADO. THE SHOWERS AND THUNDERSTORMS WILL DECREASE AFTER MIDNIGHT. THE MAIN STORM SYSTEM WILL MOVE OUT OF NORTHERN ARIZONA LATE TONIGHT AND INTO NORTHEAST COLORADO ON TUESDAY. SCATTERED SNOW SHOWERS ALONG WITH A FEW THUNDERSTORMS CAN BE EXPECTED. MOST OF THE THUNDERSTORMS WILL OCCUR IN THE AFTERNOON. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .REST OF TODAY... SKY/WEATHER.........CLOUDY. THUNDERSTORMS...RAIN SHOWERS LIKELY WITH SNOW SHOWERS ABOVE 10 THOUSAND FEET. MAX TEMPERATURE.....37-42. 20-FOOT WINDS.......SOUTHWEST WINDS 9-15 MPH WITH GUSTS TO 25 MPH. TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH. HAINES INDEX........4 LOW. .TONIGHT... SKY/WEATHER.........CLOUDY. SNOW SHOWERS LIKELY AND SCATTERED THUNDERSTORMS UNTIL 2400...THEN CHANCE OF SNOW SHOWERS. MIN TEMPERATURE.....21-25. 20-FOOT WINDS.......SOUTHWEST WINDS 10-20 MPH. HAINES INDEX........4 LOW. .TUESDAY... SKY/WEATHER.........CLOUDY. RAIN AND SNOW SHOWERS LIKELY. CHANCE OF THUNDERSTORMS AFTER 1200. MAX TEMPERATURE.....33-38. 20-FOOT WINDS.......NORTHWEST WINDS 12-22 MPH WITH GUSTS TO 35 MPH. HAINES INDEX........4 LOW. .FORECAST DAYS 3 THROUGH 5... .WEDNESDAY...MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS AROUND 20. HIGHS IN THE MID 30S. NORTHWEST WINDS AROUND 18 MPH WITH GUSTS TO 45 MPH. .THURSDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200. LOWS AROUND 15. HIGHS IN THE LOWER 40S. SOUTHWEST WINDS AROUND 18 MPH WITH GUSTS TO 40 MPH. .FRIDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS UNTIL 0600. LOWS AROUND 20. HIGHS IN THE MID 40S. BREEZY. WEST WINDS AROUND 25 MPH WITH GUSTS TO 50 MPH. FIRE WEATHER TABLE FOR HALLETT SLIDE. +++ DATA IN THE FOLLOWING TABLE HAS BEEN SAMPLED DIRECTLY FROM THE FORECAST DATABASE. VALUES IN THE TABLE MAY VARY SLIGHTLY FROM INFORMATION IN THE NARRATIVE FORECAST. PLEASE PROVIDE FEEDBACK IF THE INFORMATION IN THIS TABLE HAS BEEN REPRESENTATIVE AND/OR USEFUL. +++ FORECAST SC PP WR AT 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 05/23-16 93 71 54 43 51 SW 9 15 4 5 SW29 6875 SW16 99307 G 05/23-17 93 71 54 39 63 SW12 17 4 5 SW30 5308 SW16 74196 G 05/23-18 96 71 54 37 72 SW13 21 4 4 S31 3742 SW15 49085 F 05/23-19 96 71 54 35 78 SW14 22 4 4 SW31 2649 SW13 33748 P 05/23-20 96 71 54 30 95 SW14 22 4 4 SW31 1555 SW10 18411 P 05/23-21 96 71 54 24 100 SW14 22 4 4 SW32 462 SW 8 3074 P 05/23-22 96 71 54 23 100 SW14 22 4 4 SW35 408 SW 8 2719 P 05/23-23 96 71 54 22 100 SW14 22 4 4 SW38 354 SW 8 2365 P 05/24-00 80 49 25 22 100 SW13 21 4 1 SW41 300 SW 8 2010 P 05/24-01 80 49 25 23 100 SW12 18 4 1 SW44 272 SW 7 1703 P 05/24-02 80 49 25 24 100 SW 9 15 4 1 SW45 244 S 7 1396 P 05/24-03 80 49 25 24 100 SW 8 13 4 1 S45 215 S 6 1089 P 05/24-04 80 49 25 24 100 SW 8 8 4 1 S45 216 S 6 995 P 05/24-05 80 49 25 22 100 SW 7 7 4 1 S43 217 SW 5 901 P 05/24-06 89 61 39 22 100 W 7 7 4 1 S39 218 SW 5 807 P 05/24-07 89 61 39 21 100 W 6 6 4 1 S32 461 W 3 1194 P 05/24-08 89 61 39 23 100 W 3 3 4 1 S25 704 W 3 1580 P 05/24-09 89 61 39 27 86 W 3 3 4 1 S20 946 NW 2 1966 P 05/24-10 89 61 39 30 75 W 5 5 4 1 S17 1731 NW 5 9896 P 05/24-11 89 61 39 32 70 NW 7 7 4 1 SE15 2516 NW 7 17826 P 05/24-12 89 60 38 33 66 NW 9 15 4 4 SE15 3301 NW 9 25756 P 05/24-13 89 60 38 32 67 NW12 18 4 4 E14 3362 NW13 37878 P 05/24-14 89 60 38 33 65 NW14 22 4 4 NE15 3424 NW16 50000 F 05/24-15 89 60 38 32 66 NW16 25 4 4 NE15 3486 NW21 62122 G 05/24-16 89 60 38 31 66 NW18 29 4 4 NE17 3203 NW22 60198 G 05/24-17 89 60 38 30 70 NW21 33 4 4 N18 2920 NW23 58273 F 05/24-18 91 56 32 28 73 W23 37 4 4 N20 2637 NW24 56349 F 05/24-19 91 56 32 28 74 W25 41 4 4 N21 2189 W26 49035 F 05/24-20 91 56 32 25 81 NW29 46 4 4 N21 1742 W29 41721 F 05/24-21 91 56 32 22 93 NW32 52 4 4 N21 1294 W31 34407 P 05/24-22 91 56 32 21 93 NW31 51 4 4 W 7 1462 W20 25375 P 05/24-23 91 56 32 21 93 NW30 47 4 4 W 7 1370 W21 24161 P 05/25-00 75 44 21 21 93 NW28 44 4 1 W 8 1278 W21 22948 P 05/25-01 75 44 21 21 91 NW28 44 4 1 NW 8 1330 W21 24105 P 05/25-02 75 44 21 22 89 NW28 44 4 1 N 8 1382 W21 25263 P 05/25-03 75 44 21 22 88 NW28 44 4 1 N 8 1434 W21 26420 P 05/25-04 75 44 21 22 88 NW28 44 4 1 N 9 1420 W22 27529 P 05/25-05 75 44 21 20 93 NW26 43 4 1 N10 1406 W23 28637 P 05/25-06 74 24 5 21 93 NW26 43 4 1 N12 1392 NW24 29746 P 05/25-07 74 24 5 20 93 NW28 44 4 1 N12 1873 NW25 42550 F 05/25-08 74 24 5 23 82 NW28 45 4 1 N13 2354 NW26 55353 F 05/25-09 74 24 5 27 67 NW28 44 4 1 N13 2835 NW28 68157 G 05/25-10 74 24 5 32 55 NW25 41 4 1 N12 3495 NW24 69474 G 05/25-11 74 24 5 32 53 NW23 37 4 1 N 9 4155 NW21 70792 G 05/25-12 79 30 9 35 48 NW20 31 4 2 N 8 4815 NW17 72109 G 05/25-13 79 30 9 35 48 NW16 25 4 2 NW 9 4512 NW15 61043 G 05/25-14 79 30 9 35 48 NW13 13 3 2 W10 4209 NW14 49977 F 05/25-15 79 30 9 34 52 NW 9 9 3 2 W13 3905 NW12 38911 P 05/25-16 79 30 9 33 54 NW 7 7 3 2 W15 3405 NW 9 28636 P 05/25-17 79 30 9 30 63 N 6 6 3 2 W18 2905 W 7 18361 P 05/25-18 76 10 2 28 70 N 6 6 3 1 NW22 2405 W 3 8087 P 05/25-19 76 10 2 27 77 NW 6 6 3 1 NW25 1776 W 5 6100 P 05/25-20 76 10 2 23 95 NW 6 6 3 1 NW30 1148 SW 5 4112 P 05/25-21 76 10 2 17 97 W 6 6 3 1 NW33 520 SW 5 2125 P 05/25-22 76 10 2 17 97 W 6 6 3 1 NW36 452 SW 6 2089 P 05/25-23 76 10 2 16 96 W 6 6 3 1 NW38 384 SW 7 2053 P 05/26-00 51 10 2 16 97 W 6 6 3 1 NW39 316 SW 7 2016 P 05/26-01 51 10 2 16 95 W 6 6 4 1 NW40 290 SW 8 1961 P 05/26-02 51 10 2 17 99 SW 7 7 4 1 W40 263 SW 8 1906 P 05/26-03 51 10 2 17 100 SW 8 8 5 1 W40 236 SW 9 1851 P 05/26-04 51 10 2 17 100 SW10 10 5 1 W39 245 SW 9 2005 P 05/26-05 51 10 2 15 100 SW13 13 5 1 W39 255 SW 9 2160 P 05/26-06 51 10 2 15 96 SW15 24 4 1 W39 264 SW10 2314 P 05/26-07 51 10 2 15 98 SW16 25 1 05/26-08 51 10 2 19 82 SW16 26 1 05/26-09 51 10 2 27 60 SW17 28 1 05/26-10 51 10 2 35 45 SW18 30 1 05/26-11 51 10 2 37 44 SW20 31 1 05/26-12 50 10 2 40 39 SW21 33 2 05/26-13 50 10 2 41 39 SW22 35 2 05/26-14 50 10 2 42 37 SW23 36 2 05/26-15 50 10 2 40 40 SW23 37 2 05/26-16 50 10 2 40 40 SW23 37 2 05/26-17 50 10 2 36 45 SW23 37 2 05/26-18 50 10 2 34 49 W23 37 2 KEY: FORECAST - MONTH/DAY-HOUR OF FORECAST /24-HOUR CLOCK LOCAL TIME/ VALID AT SC - SKY COVER /PERCENT/ PP - PROBABILITY OF PRECIPITATION 0.01 INCH /PERCENT/ WR - PROBABILITY OF WETTING RAIN 0.1 INCH /PERCENT/ AT - 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...WFO BOULDER REQUESTED BY...RICH BROWNE REASON FOR REQUEST...SAR .TAG 20110523.HALLE.01/BOU