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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
652 AM EDT Mon Oct 23 2017

NCZ019-232100-
RAWS 312001
36.23N  81.32W Elev. 2380 ft
652 AM EDT Mon Oct 23 2017

Date             Mon 10/23/17            Tue 10/24/17            Wed 10/25/17
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                 64          50          61          41          53
TEMP             61 61 63 63 60 56 54 52 53 57 60 60 53 49 46 44 42 48 52 52 46
DEWPT            60 61 62 61 58 54 51 48 47 47 44 42 41 38 36 34 33 33 33 33 34
MAX/MIN RH                   90          95          52          71          47
RH               97100 97 93 93 93 90 86 80 69 55 51 64 66 68 68 70 56 48 48 63
WIND DIR          E SE SE  S SW  W  W  W  W SW SW  W NW NW NW NW  W  W  W  W NW
WIND SPD          6  9 12 13  9  5  5  5  3  3  9  8 10  9  8  8  6  8  8  9  8
CLOUDS           OV OV OV OV OV B2 B1 SC FW SC SC SC SC SC FW FW FW SC SC SC SC
CLOUDS(%)       100100100100 95 85 60 33 22 33 44 48 39 35 24 14 21 30 44 41 34
VSBY              3 10  3  3  3  5 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                    100          50          10          10          10
RAIN SHWRS        O  O  O  O SC SC IS                                          
TSTMS                     IS                                                   
Obvis             F                                                            
LAL               1  1  1  2  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1   
HAINES            3  3  3  3  2  2  2  3  3  5  4  3  4  4  4  4  4  3  2  2  3
MIX HGT          <1  1  1  1  1  2  2  2  2  2  4  5  3  2  2  2  2  2  4  4  2
T WIND DIR        E SE SE SE  W  W  W  W  W SW  S SW  W NW NW NW NW  W  W  W NW
T WIND SPD       10 27 26 35 18 19 19 16 10  5 14 11 20 23 24 23 21 14 10 12 18
DISPERSION                   PR PR PR PR             FR PR PR PR             PR
ADI              12 38 36 50 16 27 13  7 21 12 51 49 29 31 16 16 47 39 26 33 25
MAX LVORI         7  4  4  4  5  4  5  6  4  3  1  1  2  3  3  3  3  1  2  1  2
STABILITY         D  D  D  D  D  D  E  F  C  C  C  C  D  D  E  E  C  C  D  D  D
CEILING               400   500 35000  None  None  None  None  None  None  None
STA PRES            27.87 27.68 27.74 27.73 27.72 27.72 27.79 27.78 27.80 27.78


Date          Thu 10/26/17 Fri 10/27/17 Sat 10/28/17 Sun 10/29/17
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       37      59      42      64      46      63      46      55
TEMP          41 39 56 52 46 43 61 56 51 47 61 56 50 47 54 50
DEWPT         33 32 34 38 38 37 44 45 45 43 48 48 46 43 44 43
RH            73 76 43 59 73 79 53 66 80 86 62 74 86 86 69 77
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC FW FW FW FW FW FW FW FW SC B1 B1 B1 B1 B1 B1
POP 12HR            5       0       0       0      10      20      30      50
RAIN SHWRS                                  IS IS SC SC 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