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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1146 PM EDT Sat Oct 21 2017

VAZ012-220900-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
1146 PM EDT Sat Oct 21 2017

Date           10/21/17      Sun 10/22/17            Mon 10/23/17            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                 46          71          55          64          51
TEMP                   53 50 48 60 67 69 64 61 59 57 55 60 63 63 59 56 54 53 51
DEWPT                  48 46 47 51 51 50 51 52 52 53 53 58 58 58 58 56 54 52 50
MIN/MAX RH                   96          50          93          82         100
RH                     83 86 96 72 56 51 63 72 78 86 93 93 84 84 96100100 96 96
WIND DIR               SE SE SE SE  S  S SE SE SE SE SE SE SE SE SE  S SW  W  W
WIND SPD                0  1  2  5  9  9  8  6  5  6  8  9 11 12 14  8  3  2  3
CLOUDS                 FW FW FW FW FW SC B2 FW OV OV OV OV OV OV OV OV OV B2 B1
CLOUDS(%)              22 20 23 24 25 26 72 21 90 98 99100 99 97 98 88 90 82 66
VSBY                   10  6  6 10 10 10 10 10  7  7  6  6  3  3  3  3  6  6  6
POP 12HR                      0           5          20         100         100
RAIN SHWRS                                     IS IS SC SC  O  O  O  O SC SC SC
Obvis                     PF PF                                                
LAL                     1  1  1  1  1  1  1  1  1  1  1  1  1  1               
HAINES                  3  4  5  5  4  4  3  2  2  2  2  2  3  3  3            
MIX HGT                <1 <1 <1  2  3  3  3  2 <1 <1 <1  2  3  2  3            
T WIND DIR             SE SE SE  S  S  S  S  S SE SE SE SE  S SE SW            
T WIND SPD              3  3  3 12 16 18 23 23 13 11 12 31 43 42 33            
DISPERSION             VP VP             PR PR PR PR             GD PR VP VP   
ADI                     2  2  3 25 51 57 10 15  9  8 14 60109 90 45            
MAX LVORI               5  6  6  3  1  1  3  4  4  6  5  4  3  3  4            
STABILITY               G  G  B  C  C  C  F  E  E  E  D  D  D  D  D            
CEILING                    None  None  None  None   500   100   600   700      
STA PRES                  27.51 27.53 27.48 27.46 27.37 27.25 27.07            


Date           10/24 Wed 10/25/17 Thu 10/26/17 Fri 10/27/17 Sat 10/28/17
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       59      35      48      33      56      38      63      42      62
TEMP          58 49 41 36 46 42 37 35 53 48 42 40 60 54 47 43 60 53
DEWPT         47 40 35 33 34 33 33 31 35 35 35 34 43 42 41 40 47 44
RH            67 71 79 89 63 70 85 85 50 60 76 79 53 64 79 89 62 71
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B2 B2 B1 B1 B1 SC SC FW FW FW FW FW FW FW SC SC B1
POP 12HR           50      20      30      20      10      10       5      10      20
RAIN SHWRS    SC SC IS IS SC SC IS IS                         IS IS

$$


This product is for planning and review purposes only and is not
to be substituted for an official fire weather spot forecast. The
data displayed are calculated from a 2.5 by 2.5 km digital
database and only approximates weather conditions in highly
varying terrain. Please relay any comments you have to the NWS via
email at rnk.webmaster@noaa.gov.

Below is a weather element key for this product.
(Note...winds do not reflect local terrain effects.)

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(CATEGORY)....................Cloud cover category
     EXAMPLE: CL = CLEAR; FW = FEW; SC = Scattered; BK = Broken; OV = Overcast
CLOUDS(%)...........................Cloud cover as a percentage
VSBY................................Visibility value in statute miles
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(CATEGORY).......................Lightning Activity Level
HAINES(CATEGORY)....................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
STABILITY (CATEGORY)................Pasquill Turner Stability
CEILING (FT)........................Ceiling
STA PRES (INCHES MERCURY)...........Station pressure

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(CATEGORY)................Average Cloud Cover Category
POP 12HR(%).........................Probability for accumulating precipitation
WEATHER.............................See Day 1 through 3 weather descriptions