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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
402 AM EST Sat Jan 20 2018

NCZ003-202100-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
402 AM EST Sat Jan 20 2018

Date             Sat 01/20/18            Sun 01/21/18            Mon 01/22/18
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                 55          37          59          38          56
TEMP             31 42 49 53 47 45 43 42 39 49 57 58 50 45 43 42 40 46 52 53 50
DEWPT            22 27 29 29 29 29 30 33 36 42 46 45 43 40 38 37 37 40 45 44 45
MAX/MIN RH                   38          89          61          88          71
RH               69 55 46 39 49 53 60 70 89 77 67 62 77 82 82 82 89 79 77 71 83
WIND DIR         NW NW  W  W  W  W NW NW NW  W  S  S SW SW  W  W SW  S  S  S  S
WIND SPD          6  9 10  6  4  3  2  2  2  2  4  4  2  2  1  1  1  3  6  6  6
CLOUDS           FW FW FW FW FW SC FW SC SC SC SC SC SC SC SC B1 B2 B2 B2 B2 OV
CLOUDS(%)        12 10 12 13 15 27 20 35 35 33 35 39 44 36 47 58 76 76 76 85 96
VSBY             10 10 10 10  9  8 10  7  7  7  7  7  7  7  7  7  7  7  7  7  7
POP 12HR                      0           0           5           5          30
RAIN SHWRS                                                                IS SC
LAL               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  4  4  4  3  2  2  2  2  3  3  4  4  3  2  3
MIX HGT          <1  1  2  2  2 <1 <1 <1 <1 <1  2  4  2  1 <1 <1 <1  2  3  3  2
T WIND DIR       NW NW NW NW NW NW  W NW  W  W  W SW SW SW SW SW  S  S  S  S  S
T WIND SPD        6 25 25 21 20 13  2  2  2  2  6  9 10  9  8  8  1 16 19 25 14
DISPERSION                   VP VP VP VP             VP VP VP VP             PR
ADI               5 46 50 62  9  6  1  1  3  3 20 47  5  4  4  4  1 31 46 82 10
MAX LVORI         3  1  1  1  2  3  4  5  6  5  3  1  3  3  3  3  6  3  3  1  4
STABILITY         C  C  D  C  F  G  G  G  B  B  B  B  G  G  F  F  C  C  D  C  E
CEILING              None  None  None  None  None  None  None 14400   600   500
STA PRES            28.21 28.22 28.26 28.27 28.30 28.29 28.29 28.25 28.23 28.09


Date          Tue 01/23/18 Wed 01/24/18 Thu 01/25/18 Fri 01/26/18
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       41      52      30      49      28      49      29      50
TEMP          50 43 47 41 35 31 44 40 35 31 44 41 36 32 45 44
DEWPT         44 38 30 27 24 22 25 24 23 22 26 25 24 23 27 29
RH            80 82 51 57 64 69 47 52 61 69 49 52 61 69 49 55
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    OV B2 B1 FW SC SC FW FW SC SC FW FW FW FW SC SC
POP 12HR           80      20       5       5       5       5       0      10
RAIN SHWRS     O  O 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