EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE BLACKSBURG VA 346 PM EDT Wed Jun 19 2013 VAZ018-200900- RAWS 444002 37.52N 80.09W ELEV. 1266 FT 346 PM EDT Wed Jun 19 2013 DATE 06/19/13 Thu 06/20/13 Fri 06/21/13 Sat UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 MIN/MAX TEMP 59 80 59 80 57 TEMP 77 72 66 63 61 64 72 77 79 73 67 64 62 64 73 77 79 72 65 62 60 63 DEWPT 61 61 61 60 59 58 61 61 60 60 59 58 57 57 57 59 59 60 60 61 60 61 MIN/MAX RH 97 53 88 51 100 RH 58 68 84 90 93 81 68 58 52 64 75 81 84 78 57 54 50 66 84 97100 93 WIND DIR E E E E E E SE SE SE SE SE SE SE SE SE SE SE SE SE S SW NW WIND SPD 5 3 3 1 1 2 4 8 8 3 3 2 2 2 5 6 6 4 2 1 0 1 CLOUDS B1 B1 SC SC B1 B1 B1 SC SC SC SC FW FW FW SC SC SC SC SC FW CL FW CLOUDS(%) 67 59 48 44 64 60 60 50 44 42 32 25 21 22 28 36 46 48 30 10 4 8 POP 12HR 20 20 10 10 5 RAIN SHWRS IS IS IS TSTMS IS IS LAL 2 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 HAINES 4 3 3 3 3 3 3 3 4 4 4 3 4 4 4 4 4 4 MIX HGT 6 4 <1 1 <1 2 4 5 6 3 <1 1 1 2 4 6 6 3 T WIND DIR E SE E E SE SE SE SE SE S E SE SE SE NE E E E T WIND SPD 9 9 9 9 8 10 5 8 9 9 2 12 8 3 5 10 9 8 DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP ADI 28 4 4 4 3 21 15 24 40 6 1 5 4 7 29 63 60 4 MAX LVORI 2 3 5 6 6 3 3 2 1 3 4 5 6 4 2 1 1 3 DATE 06/22 Sun 06/23/13 Mon 06/24/13 Tue 06/25/13 Wed 06/26/13 UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 MAX/MIN TEMP 82 61 83 65 86 66 87 67 87 TEMP 78 75 66 66 80 77 68 70 83 79 70 71 83 80 71 72 84 80 DEWPT 60 59 58 61 61 64 62 64 63 66 64 65 65 67 64 66 66 67 RH 54 58 75 84 52 64 81 81 51 64 81 81 55 65 79 81 55 65 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW SC SC FW SC B1 FW SC SC SC SC SC SC B1 SC SC B1 B1 POP 12HR 10 10 20 20 30 20 30 20 30 RAIN SHWRS IS IS IS SC SC IS IS SC SC IS IS SC SC TSTMS IS SC SC 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