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

NCZ006-120900-
RAWS 310801
36.37N  79.29W Elev. 580 ft
330 PM EST Mon Dec 11 2017

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

MIN/MAX TEMP                 33          46          21          34          24
TEMP          47 42 40 38 37 35 41 44 43 36 32 30 28 22 29 32 33 30 29 28 27 24
DEWPT         31 31 29 29 31 32 35 29 24 20 15 12 12 10  9  7  6 10 13 16 16 18
MIN/MAX RH                   88          45          61          30          75
RH            53 65 64 70 79 89 79 55 47 52 49 46 50 59 42 34 31 42 51 60 63 77
WIND DIR      SW  S  S  S SW SW  W  W  W NW NW  W  W  W NW  W  W SW SW SW SW SW
WIND SPD       4  3  5  5  6  6  9 12 11 10 12  8  9  6 11 11  9  4  4  4  4  3
WIND GUST                          26                                          
CLOUDS        CL SC FW SC B2 B1 B1 SC B1 SC SC FW FW FW CL CL CL FW B1 B1 SC SC
CLOUDS(%)      4 36 25 40 77 60 57 45 68 41 47  8 10  7  3  1  2 22 53 57 47 46
VSBY          10  7  7  7  7  7  7  7  7  7                                    
POP 12HR                      5           5           5           5           0
LAL            1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1               
HAINES         4  4  4  4  4  3  3  4  4  4  4  4  4  4  4  4  5  4            
MIX HGT        2 <1 <1 <1 <1 <1  3  4  5  6  6  6  5  4  4  4  4  1            
T WIND DIR    SW  S  S  S SW SW  W  W  W NW NW NW NW NW NW  W  W SW            
T WIND SPD    13  3  4  5  5  6 24 26 29 33 32 33 33 27 26 19 19 16            
DISPERSION       VP PR PR PR             FR FR PR PR             VP VP VP VP   
ADI           32  2  2  2  4  7 56 76 91 45 43 23 22101 74 54 71  7            
MAX LVORI      1  3  3  3  4  5  3  1  1  1  1  2  2  1  1  1  1  2            
STABILITY      C  G  F  F  E  D  D  D  D  D  D  E  E  C  D  D  C  F            
CEILING              None 16200  None  None  None  None  None  None  None      
STA PRES            29.28 29.13 29.08 29.08 29.17 29.22 29.32 29.31            


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

MAX/MIN TEMP       45      29      45      25      49      33      55      35      MM
TEMP          42 38 33 31 43 35 29 27 46 41 36 36 53 35 35 35 MM MM
DEWPT         25 29 28 27 26 25 21 20 26 29 30 30 36 35 35 33 MM MM
RH            50 70 82 85 51 66 72 74 45 62 79 79 52100100 92 MM MM
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC B1 B1 SC SC FW FW FW FW FW SC SC SC SC FW FW MM
POP 12HR            5       5       5       0       0       5      10       5       0

$$


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