EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE BLACKSBURG VA 953 AM EDT Sat May 25 2013 WVZ043-252100- RAWS 465401 37.53N 81.00W ELEV. 2725 FT 953 AM EDT Sat May 25 2013 DATE Sat 05/25/13 Sun 05/26/13 Mon 05/27/13 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 63 41 66 43 72 TEMP 50 58 61 54 49 46 44 47 56 62 64 58 52 48 46 50 61 68 71 67 DEWPT 30 29 31 29 31 32 33 36 36 34 38 42 36 30 33 38 43 46 48 49 MAX/MIN RH 30 75 35 74 43 RH 46 33 32 38 50 58 65 65 47 35 38 55 54 49 60 63 51 45 44 52 WIND DIR NW NW NW NW NW NW NW NW NW NW NW NW NE E E SE S W N E WIND SPD 6 11 12 6 3 2 2 3 5 8 6 4 2 1 1 1 1 1 1 1 CLOUDS FW FW SC SC FW SC B1 SC FW FW FW FW SC SC B1 B1 B1 B1 B1 B1 CLOUDS(%) 11 25 30 33 23 42 52 26 20 13 16 18 32 46 52 58 58 58 58 59 POP 12HR 0 5 0 10 30 RAIN SHWRS SC SC SC TSTMS SC SC IS LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 3 HAINES 5 5 5 4 3 3 3 3 4 4 4 4 5 5 5 4 4 4 4 4 MIX HGT 2 3 3 3 1 <1 <1 <1 3 4 2 <1 <1 <1 <1 <1 3 5 3 <1 T WIND DIR NW NW NW NW NW NW NW NW NW NW NW N NE E E SE S W N E T WIND SPD 13 20 23 21 11 2 2 5 10 12 13 11 5 1 0 1 2 3 2 1 DISPERSION PR VP VP VP VP VP VP VP VP ADI 34 50 55 15 5 1 1 7 29 49 38 5 3 0 0 2 9 19 8 0 MAX LVORI 1 1 1 2 2 3 3 3 2 1 1 3 2 2 3 3 2 2 2 2 DATE Tue 05/28/13 Wed 05/29/13 Thu 05/30/13 Fri 05/31/13 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 56 78 60 84 61 86 63 88 TEMP 59 61 74 72 64 66 80 76 67 67 82 78 68 69 84 79 DEWPT 54 54 55 55 54 55 58 62 59 61 60 63 60 62 60 65 RH 83 78 51 55 70 68 47 62 75 81 47 60 76 78 44 62 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B1 B1 B2 B1 B1 SC SC SC SC FW SC SC FW FW SC SC POP 12HR 30 40 30 20 10 10 10 20 RAIN SHWRS SC SC SC IS IS IS IS IS IS TSTMS IS SC IS IS IS IS IS $$ 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