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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
355 AM EDT Tue Oct 17 2017

WVZ043-172100-
RAWS 465401
37.53N  81.00W Elev. 2725 ft
355 AM EDT Tue Oct 17 2017

Date             Tue 10/17/17            Wed 10/18/17            Thu 10/19/17
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                 62          40          68          41          70
TEMP          36 38 51 59 60 53 48 45 43 42 56 65 66 57 52 48 46 44 57 66 67 58
DEWPT         34 31 35 33 32 34 34 34 33 32 35 33 33 36 37 36 35 34 35 36 36 39
MAX/MIN RH                   34          70          27          70          30
RH            92 76 54 37 35 48 58 65 67 67 45 30 29 45 56 63 65 68 43 33 32 49
WIND DIR       N  N  N  N NW  N NE SE SE SE SE  S SE SE  S  S  S SW  W  W  W NW
WIND SPD       2  2  3  3  4  2  1  2  1  1  3  4  5  5  4  2  1  1  3  4  5  3
CLOUDS        CL CL CL CL CL CL CL CL CL FW FW FW FW CL CL CL CL CL CL CL CL CL
CLOUDS(%)      0  2  2  0  0  1  1  3  2  6  6  8  7  4  3  2  3  4  3  5  4  5
VSBY           7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7
POP 12HR                      0           0           0           0           0
LAL            1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1   
HAINES         3  3  3  3  3  3  4  5  5  5  5  5  5  5  5  5  5  5  5  5  5  5
MIX HGT       <1 <1  2  3  3 <1 <1 <1 <1 <1  1  3  3 <1 <1 <1 <1 <1  2  2  2 <1
T WIND DIR     N  N NE  N NW  N  E SE SE SE SE SE  S  S  S  S  S SW NW  W  W NW
T WIND SPD     3  3 11  5  3  3  2  1  2  2  6  9 10  3  4  3  3  2 10  5  6  3
DISPERSION    VP             VP VP VP VP             PR VP VP VP             VP
ADI            1  3 31 19 13  1  1  1  1  2 11 32 33  2  2  1  1  3 21 16 17  2
MAX LVORI      4  4  1  2  2  2  3  4  4  3  2  1  1  2  3  3  3  3  2  2  2  2
STABILITY      G  B  B  B  B  G  G  G  G  B  B  B  C  G  F  G  G  B  B  C  C  G
CEILING              None  None  None  None  None  None  None  None  None  None
STA PRES            27.96 27.91 27.93 27.93 27.96 27.92 27.92 27.91 27.92 27.87


Date          Fri 10/20/17 Sat 10/21/17 Sun 10/22/17 Mon 10/23/17
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       43      72      44      75      49      74      53      71
TEMP          50 45 68 61 51 47 71 64 55 51 71 65 58 54 69 64
DEWPT         41 39 45 44 43 41 46 46 45 43 47 48 50 50 56 52
RH            71 79 43 53 74 79 41 52 69 74 42 54 75 86 63 65
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    CL CL CL CL FW FW FW SC SC SC SC SC SC B1 B1 B1
POP 12HR            0       0       0       0       5       5       5      40
RAIN SHWRS                                              SC SC

$$


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