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

NCZ003-232100-
RAWS 310301
36.48N  80.86W Elev. 1300 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                 66          51          65          41          58
TEMP             61 63 66 65 62 59 56 53 54 60 64 63 55 50 47 45 43 51 55 56 49
DEWPT            60 61 63 64 60 55 52 50 50 50 48 45 44 41 38 36 35 35 34 35 36
MAX/MIN RH                   89          96          52          75          44
RH               97 93 90 97 93 87 86 89 86 69 56 52 66 71 71 70 73 54 45 45 61
WIND DIR          E  E SE SE  S  W  W  W  W  S  S  W NW NW NW NW NW  W  W  W NW
WIND SPD          6 10 13 13  6  3  2  3  2  3  9  6  8  8  6  5  5  6  6  8  6
CLOUDS           OV OV OV OV OV B2 B1 SC SC SC SC SC SC SC SC FW FW SC SC SC SC
CLOUDS(%)       100100100100100 85 59 37 26 30 45 50 44 36 26 15 21 29 45 44 36
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          60          10           5           5
RAIN SHWRS        O  O  O  O NM SC IS                                          
TSTMS                     IS IS                                                
Obvis             F                                                            
LAL               1  1  1  2  2  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1   
HAINES            2  3  3  3  3  2  2  3  3  4  5  3  3  4  4  4  4  3  2  2  3
MIX HGT           1  2  2  3 <1  2  3  3  2  3  5  6  4  3  2  2  1  3  5  5  3
T WIND DIR       SE SE SE SE SW SW  W  W  W SW SW SW  W NW NW NW NW  W  W  W NW
T WIND SPD       12 24 31 39 11 13 17 11  6  6 17 14 16 19 18 19 14 11  9 10 14
DISPERSION                   PR VP VP VP             PR PR PR PR             PR
ADI              17 44 61 88 10 19 12  8 19 23 69 65 22 27 13 13 28 41 35 30 20
MAX LVORI         5  4  4  4  7  5  7  6  4  3  1  1  2  3  3  3  3  1  1  2  2
STABILITY         D  D  D  D  D  D  E  E  B  C  C  C  D  D  E  E  C  C  C  D  D
CEILING               600   400 21100  None  None  None  None  None  None  None
STA PRES            28.11 27.92 27.93 27.94 27.93 27.92 28.00 27.99 28.00 27.99


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      61      39      67      45      67      45      58
TEMP          42 39 58 52 45 42 64 58 50 47 64 58 51 46 57 52
DEWPT         34 33 36 39 39 38 46 47 45 44 50 50 47 44 45 45
RH            73 79 44 61 79 86 52 67 83 89 60 75 86 93 64 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            0       0       0       0      10      20      30      30
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