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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
348 AM EST Mon Dec 11 2017

NCZ005-112100-
RAWS 310540
36.38N  79.70W Elev. 858 ft
348 AM EST Mon Dec 11 2017

Date             Mon 12/11/17            Tue 12/12/17            Wed 12/13/17
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19

MAX/MIN TEMP                 47          33          45          21          34
TEMP          29 28 37 44 46 41 39 38 37 35 40 43 41 35 31 29 27 21 28 32 33 30
DEWPT         23 23 27 29 31 30 29 29 31 32 33 28 22 19 13 11 11  9  8  5  5  9
MAX/MIN RH                   52          89          46          59          29
RH            78 81 67 55 55 65 67 70 79 89 76 55 46 52 47 46 50 59 42 31 30 41
WIND DIR      SW SW SW SW  S  S  S SW SW SW  W  W  W NW NW NW  W  W NW  W  W SW
WIND SPD       5  4  5  4  5  4  4  5  6  8 10 13 12 10 13  8  9  8 11 11  9  5
WIND GUST                                   21 27 23                           
CLOUDS        CL CL CL CL CL FW FW SC B2 B1 SC SC B1 SC SC FW FW FW CL CL CL SC
CLOUDS(%)      0  1  0  1  3 24 20 42 80 56 46 42 67 40 37  8  9  6  3  1  2 27
VSBY          10 10 10 10 10 10 10  7  7  7  7  7  7  7                        
POP 12HR                      0           5           5           5           5
LAL            1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1   
HAINES         3  4  4  4  4  4  4  4  4  3  3  4  4  4  4  4  4  3  3  4  5  3
MIX HGT       <1 <1 <1  2  2 <1 <1 <1 <1 <1  3  4  5  6  6  5  5  4  4  4  4 <1
T WIND DIR    SW SW  W SW SW  S  S  S SW SW  W  W  W NW NW NW NW NW NW  W  W SW
T WIND SPD     5  4  6  8 14  4 17 14 12 11 23 25 28 32 31 32 28 25 24 18 18 13
DISPERSION    PR             VP VP PR PR             FR FR PR PR             PR
ADI            2  3  7 17 30  2  8 10  8 12 70 72 88 21 42 21 19 87 65 51 66  6
MAX LVORI      4  5  3  2  1  3  3  3  4  5  3  1  1  2  1  2  2  1  1  1  1  2
STABILITY      F  C  C  C  C  F  F  E  E  D  C  D  D  E  D  E  E  C  D  D  C  F
CEILING              None  None  None 15300  None  None  None  None  None  None
STA PRES            29.35 29.24 29.14 28.99 28.95 28.95 29.05 29.10 29.19 29.17


Date          Thu 12/14/17 Fri 12/15/17 Sat 12/16/17 Sun 12/17/17
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly     01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19

MIN/MAX TEMP       24      45      29      44      25      48      33      55
TEMP          27 24 41 38 33 31 42 35 30 27 45 40 37 37 53 35
DEWPT         16 17 24 28 28 26 24 22 20 20 25 27 29 29 35 35
RH            63 74 50 67 82 81 48 59 66 74 45 59 72 72 50100
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC SC B1 B1 SC SC FW FW FW FW FW SC SC SC
POP 12HR            5       5       5       5       0       0       5      10

$$


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