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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1146 PM EDT Sat Oct 21 2017

NCZ005-220900-
RAWS 310540
36.38N  79.70W Elev. 858 ft
1146 PM EDT Sat Oct 21 2017

Date           10/21/17      Sun 10/22/17            Mon 10/23/17            Tue
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08

MIN/MAX TEMP                 49          76          53          70          57
TEMP                   56 53 51 65 73 74 67 62 59 57 55 63 68 69 64 62 60 59 58
DEWPT                  51 49 50 56 55 56 55 55 55 55 53 60 61 61 62 61 59 58 56
MIN/MAX RH                   95          50          97          75          97
RH                     83 86 96 73 53 53 65 78 87 93 93 90 78 76 93 97 96 96 93
WIND DIR                S  S SE SE  S  S SE  S SE SE SE SE SE SE SE  S  S SW  W
WIND SPD                0  0  0  2  5  5  3  3  3  3  4  5  6  8  9 11 12  9  4
CLOUDS                 SC FW SC FW FW FW SC B1 SC B2 OV OV OV OV OV OV B2 B1 B2
CLOUDS(%)              26 20 26 25 24 24 27 53 28 79 94100100100 99 94 85 67 73
VSBY                   10  6  6 10 10 10 10 10  7  7  7  7  3  3  2  2  3  3  6
POP 12HR                      0           0           5          70         100
RAIN SHWRS                                           IS IS NM NM  O  O NM NM SC
TSTMS                                                            SC SC         
Obvis                     PF PF                                                
LAL                     1  1  1  1  1  1  1  1  1  1  1  1  1  1               
HAINES                  5  5  4  4  5  3  4  3  3  3  3  3  3  2  3            
MIX HGT                <1 <1 <1 <1  4  4 <1 <1 <1 <1 <1 <1  2  3 <1            
T WIND DIR             SE SE SE  S SE  S SE SE SE SE SE SE SE SE SE            
T WIND SPD              1  1  1  5  8 10  3  3  3  3  3 10 29 40 21            
DISPERSION             VP VP             VP VP VP VP             PR FR FR PR   
ADI                     1  0  2  7 29 37  2  1  2  1  3 12 63 91 20            
MAX LVORI               6  8 10  3  2  1  3  5  7 10  9  5  3  1  4            
STABILITY               G  G  B  B  C  C  G  G  G  G  C  D  D  D  D            
CEILING                    None  None  None  3200  1500   500  1100   200      
STA PRES                  29.58 29.61 29.54 29.53 29.47 29.36 29.19            


Date           10/24 Wed 10/25/17 Thu 10/26/17 Fri 10/27/17 Sat 10/28/17
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MAX/MIN TEMP       69      43      59      37      61      40      67      44      67
TEMP          67 58 49 44 57 50 43 39 58 52 45 42 63 57 50 46 64 58
DEWPT         55 49 41 37 37 37 36 35 38 40 40 39 46 47 44 44 52 52
RH            65 72 74 76 47 61 76 85 47 63 82 89 54 69 80 93 65 80
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B1 B1 SC SC SC SC SC FW CL CL FW FW FW FW FW SC B1
POP 12HR           40      10      10       5      10       5       0      10      20
RAIN SHWRS    SC SC                                           IS 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