EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES NATIONAL WEATHER SERVICE BLACKSBURG VA 834 AM EDT Tue Mar 10 2009 VAZ009-102100- GLADE_MOUNTAIN PRESCRIBED BURN 36.85N 81.34W ELEV. 0 FT 834 AM EDT Tue Mar 10 2009 DATE Tue 03/10/09 Wed 03/11/09 Thu 03/12/09 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 59 53 65 30 44 TEMP 52 56 58 57 56 55 54 53 59 63 64 52 46 41 38 30 37 41 43 38 DEWPT 34 38 39 40 44 50 50 46 45 43 37 34 30 27 24 23 22 21 19 17 MAX/MIN RH 48 86 37 73 36 RH 50 51 49 53 64 83 86 77 60 48 37 50 53 57 57 75 54 44 38 42 WIND DIR S S S S S S SW W W W NW NW NW NW NW NW NW NW N NW WIND SPD 12 13 14 16 16 16 18 24 23 19 14 14 16 13 13 12 13 11 8 4 WIND GUST 35 34 29 CLOUDS B1 B1 B1 B1 B1 B2 B2 B2 OV OV B2 B2 B1 B1 B1 SC B1 B1 B1 B1 CLOUDS(%) 54 61 59 58 64 71 75 78 90 92 83 73 64 56 51 49 58 66 68 69 POP 12HR 5 10 40 10 10 RAIN S RAIN SHWRS SC SC SC IS LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 HAINES 5 3 3 3 4 3 4 3 3 2 3 3 4 4 4 4 4 4 4 MIX HGT <1 <1 <1 <1 <1 <1 <1 <1 1 3 3 1 1 <1 <1 <1 <1 1 1 <1 T WIND DIR S S S S S S S S W W W NW NW NW NW S NW NW NW NW T WIND SPD 0 0 20 0 0 0 0 0 42 39 39 28 27 28 25 0 19 12 8 3 DISPERSION GD GD GD GD GD GD FR FR VP DATE Fri 03/13/09 Sat 03/14/09 Sun 03/15/09 Mon 03/16/09 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 28 43 30 44 32 48 36 50 TEMP 33 29 40 38 34 30 41 39 36 33 45 44 40 36 47 45 DEWPT 21 22 23 24 26 28 27 28 29 27 29 31 32 32 31 29 RH 61 75 50 57 72 92 57 64 75 78 53 60 73 85 53 53 WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B2 B2 B2 OV OV B2 B1 B1 B1 B1 B1 B2 B2 OV B2 B2 POP 12HR 20 50 20 30 30 50 50 30 RAIN S S C C S S C C C C C C C C C C SNOW S S C S C $$ 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; 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