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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
433 AM EDT Thu Oct 19 2017

NCZ018-192100-
RAWS 311941
36.22N  81.63W Elev. 3254 ft
433 AM EDT Thu Oct 19 2017

Date             Thu 10/19/17            Fri 10/20/17            Sat 10/21/17
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                 67          41          70          45          68
TEMP          39 38 53 63 65 54 48 44 42 41 56 66 68 60 54 51 49 47 58 65 66 57
DEWPT         33 33 35 37 38 39 38 37 36 36 38 37 39 43 41 41 40 41 44 45 45 48
MAX/MIN RH                   36          83          33          80          45
RH            79 82 50 38 37 57 68 76 79 82 51 34 34 53 61 68 71 79 59 48 47 72
WIND DIR       W  W NW  W  W NW NW NW NW NW NW SW  S  S  S  S  S  S  S  S SE SE
WIND SPD       3  4  4  5  5  4  4  4  3  2  2  2  3  2  1  0  0  0  2  4  5  2
CLOUDS        FW CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW CL FW FW SC SC SC
CLOUDS(%)     19  0  0  0  0  0  0  1  1  0  0  0  0  0  0  8  1 21 11 29 39 43
VSBY          10 10 10 10 10 10 10 10 10 10 10 10 10 10                        
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         5  5  5  5  5  5  5  5  5  5  5  4  4  3  3  3  3  3  3  3  3  3
MIX HGT       <1 <1  1  2  1 <1 <1 <1 <1 <1  2  3  2 <1 <1 <1 <1 <1  1  2  1 <1
T WIND DIR     W  W NW NW NW NW NW NW NW NW  W NW SW  S  S  S  S  S  S  S SE SE
T WIND SPD     3  4 11  5  3  4  4  4  3  2  1  5  2  2  1  0  0  0  8  6  8  2
DISPERSION    VP             VP VP VP VP             VP VP VP VP             VP
ADI            1  3 18 16  5  2  2  2  2  2  2 19  4  1  1  0  0  0 13 18 14  1
MAX LVORI      4  5  2  2  2  3  3  3  4  5  2  2  2  2  3  4  4  6  2  2  2  4
STABILITY      G  C  C  C  C  F  F  F  G  B  B  B  B  G  G  G  G  B  B  C  C  F
CEILING              None  None  None  None  None  None  None  None  None  None
STA PRES            27.24 27.21 27.23 27.23 27.26 27.22 27.26 27.27 27.32 27.29


Date          Sun 10/22/17 Mon 10/23/17 Tue 10/24/17 Wed 10/25/17
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       42      66      51      65      50      60      37      47
TEMP          49 44 63 59 55 52 63 59 54 51 59 50 43 38 46 41
DEWPT         45 44 47 51 52 51 56 56 52 50 49 43 37 34 35 33
RH            86100 56 75 90 96 78 90 93 96 69 77 79 85 65 73
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC B1 B2 B2 OV OV OV OV B2 B1 B1 SC B1 SC
POP 12HR            0       5      40      60      60      60      30      20
RAIN                       C  C                              
RAIN SHWRS                      NM NM NM NM NM NM SC SC 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