EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE BLACKSBURG VA 341 PM EDT Sat May 25 2013 VAZ018-260900- RAWS 444002 37.52N 80.09W ELEV. 1266 FT 341 PM EDT Sat May 25 2013 DATE 05/25/13 Sun 05/26/13 Mon 05/27/13 Tue 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 42 71 43 73 53 TEMP 68 62 52 48 46 49 60 65 68 61 54 50 48 51 62 68 72 67 62 59 58 61 DEWPT 27 28 32 34 35 35 33 31 37 41 36 30 33 38 40 42 47 52 53 53 53 53 MIN/MAX RH 77 28 74 37 78 RH 21 27 46 58 65 58 36 28 32 48 50 46 56 61 44 39 41 59 72 80 83 75 WIND DIR NW NW NW NW W NW NW NW NW NW W NW E N SE S S S S S S S WIND SPD 14 8 5 2 2 3 5 5 6 6 2 2 0 2 2 5 5 2 2 1 1 0 CLOUDS SC SC FW FW SC FW FW FW FW FW FW FW SC SC SC SC SC SC SC SC B1 B2 CLOUDS(%) 26 27 24 25 30 16 12 8 8 8 16 24 33 41 44 47 48 48 49 50 62 74 POP 12HR 0 0 10 20 10 RAIN SHWRS IS IS LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 HAINES 4 2 3 3 4 4 3 4 4 4 4 3 3 3 3 3 3 3 MIX HGT 5 4 1 <1 <1 1 5 6 6 4 <1 <1 <1 2 4 5 5 4 T WIND DIR NW NW NW NW W NW NW NW NW NW W NW E E S SW S S T WIND SPD 24 23 13 2 2 8 13 10 12 11 2 2 0 5 6 6 8 9 DISPERSION PR PR VP VP PR VP VP VP VP VP VP VP ADI 74 15 6 1 1 10 57 45 58 5 1 1 0 13 30 21 27 4 MAX LVORI 1 2 2 3 3 2 1 1 1 2 2 3 3 2 2 2 2 2 DATE 05/28 Wed 05/29/13 Thu 05/30/13 Fri 05/31/13 Sat 06/01/13 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 78 55 82 56 83 56 85 57 84 TEMP 77 74 65 66 81 77 67 68 84 79 69 69 85 80 69 MM MM MM DEWPT 57 58 56 56 59 62 59 61 60 63 60 62 61 65 65 MM MM MM RH 50 57 73 70 47 60 75 78 44 58 73 78 45 60 87 MM MM MM WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B1 B1 SC SC SC SC SC FW SC SC FW FW SC SC SC SC MM MM POP 12HR 20 20 10 10 10 10 10 10 10 RAIN SHWRS IS IS TSTMS 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