EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE BLACKSBURG VA 1247 PM EDT Fri May 24 2013 NCZ019-242100- BEAVER_CREEK PRESCRIBED BURN 36.05N 81.34W ELEV. 1200 FT 1247 PM EDT Fri May 24 2013 DATE Fri 05/24/13 Sat 05/25/13 Sun 05/26/13 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 MAX/MIN TEMP 66 42 70 46 74 TEMP 64 65 60 52 48 45 48 59 66 69 62 55 52 49 53 63 70 73 66 DEWPT 38 34 34 34 34 34 33 33 33 33 34 35 37 39 41 42 43 44 45 MAX/MIN RH 33 71 26 76 35 RH 38 31 37 50 58 65 56 37 29 26 35 47 56 68 64 46 38 35 47 WIND DIR NW NW NW NW NW N NW NW W NW NW NW N NW NW W W SW SW WIND SPD 17 14 11 10 8 5 5 4 4 5 5 4 3 2 2 3 3 2 2 WIND GUST 32 CLOUDS CL CL CL CL CL CL CL CL CL B1 SC B1 B1 B2 B2 B2 B2 B1 B1 CLOUDS(%) 5 0 0 3 3 5 3 5 4 54 37 54 69 75 75 75 72 65 61 POP 12HR 10 0 0 0 0 LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 HAINES 3 4 4 5 5 5 5 5 4 4 5 5 4 5 5 4 3 4 4 MIX HGT 4 4 3 <1 1 <1 1 3 4 5 2 <1 <1 <1 <1 3 5 5 <1 T WIND DIR N NW NW N N N NW NW NW NW N NW N N NE S W W SW T WIND SPD 26 25 25 10 14 5 6 3 6 10 10 5 4 4 1 3 6 9 4 DISPERSION FR FR PR PR PR VP VP VP VP ADI 78 77 17 7 10 3 13 10 28 43 5 4 2 2 1 11 29 37 2 MAX LVORI 1 1 2 2 2 3 2 2 2 1 2 2 3 3 3 2 2 1 2 DATE Mon 05/27/13 Tue 05/28/13 Wed 05/29/13 Thu 05/30/13 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 MIN/MAX TEMP 52 75 55 78 58 83 60 86 TEMP 57 57 71 68 60 61 74 71 63 64 79 75 65 66 82 77 DEWPT 47 49 50 54 52 54 57 58 56 58 59 60 59 60 62 62 RH 69 75 47 61 75 78 55 63 78 81 50 60 81 81 51 60 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B1 B2 OV OV B2 B1 B1 B2 B1 SC B1 B1 SC SC SC B1 POP 12HR 0 30 40 20 20 30 20 30 RAIN SHWRS SC SC IS IS IS IS SC IS IS SC TSTMS SC SC IS IS SC SC $$ BELOW IS A WEATHER ELEMENT KEY FOR THIS PRODUCT DAY 1 THROUGH 3... MAX/MIN TEMP or MIN/MAX TEMP(F).....MAXIMUM/MINIMUM AIR TEMPERATURE TEMP(F).............................AIR TEMPERATURE DEWPT(F)............................DEW POINT TEMPERATURE MIN/MAX RH or MAX/MIN RH(%).........MAXIMUM/MINIMUM HUMDITY RH(%)...............................RELATIVE HUMIDITY WIND DIR(8 POINT COMPASS)...........WIND DIRECTION WIND SPD(MPH).......................WIND SPEED CLOUDS(CAT).........................CLOUD COVER CATEGORY EXAMPLE: CL = CLEAR; FW = FEW; SC = SCATTERED; BK = BROKEN; OV = OVERCAST CLOUDS(%)...........................CLOUD COVER AS A PERCENTAGE POP 12HR(%).........................PROBABILITY FOR ACCUMULATING PRECIPITATION WEATHER... TYPE... RAIN...........RAIN RAIN SHWRS.....RAIN SHOWERS TSTMS..........THUNDERSTORMS DRIZZLE........DRIZZLE SNOW...........SNOW SNOWSHWRS......SNOW SHOWERS SLEET..........SLEET FRZG RAIN......FREEZING RAIN FRZG DRZL......FREEZING DRIZZLE COVERAGE... IS.............ISOLATED SC.............SCATTERED NM.............NUMEROUS O..............OCCASIONAL S..............SLIGHT CHANCE C..............CHANCE L..............LIKELY WD.............WIDESPREAD D..............DEFINITE AR.............AREAS PA.............PATCHY LAL(CAT)............................LIGHTNING ACTIVITY LEVEL HAINES(CAT).........................HAINES INDEX MIX HGT(THOUSANDS OF FT AGL)........MIXING HEIGHT EXAMPLE: 6 = 6000 FEET; 12 = 12000 FEET; <1 = LESS THAN 1000 FOOT T WIND DIR(8 POINT COMPASS).........TRANSPORT WIND DIRECTION T WIND SPD(MPH).....................TRANSPORT WIND SPEED DISPERSION(CATEGORY)................SMOKE DISPERSION CATEGORY VALUES: VP =VERY POOR;PR = POOR; FR = FAIR; GD = GOOD; ADI (INDEX).........................ATMOSPHERIC DISPERSION INDEX MAX LVORI (INDEX)...................LOW VISIBILITY OCCURRENCE RISK INDEX DAY 4 THROUGH 7... MAX/MIN TEMP or MIN/MAX TEMP(F).....MAXIMUM/MINIMUM AIR TEMPERATURE TEMP(F).............................AIR TEMPERATURE DEWPT(F)............................DEW POINT TEMPERATURE RH(%)...............................RELATIVE HUMIDITY WIND SPD(MPH).......................WIND SPEED EXAMPLE: <15 = LESS THAN 15 MPH; 15> = 15 MPH OR GREATER AVE CLOUDS(CAT).....................AVERAGE CLOUD COVER CATEGORY POP 12HR(%).........................PROBABILITY FOR ACCUMULATING PRECIPITATION WEATHER... SEE DAY 1 THROUGH 3 WEATHER DESCRIPTIONS