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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
931 PM EST Mon Jan 20 2025

NCZ003-210900-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
931 PM EST Mon Jan 20 2025

Date           01/20/25      Tue 01/21/25            Wed 01/22/25            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                 11          26          10          27          13
TEMP                17 15 14 12 18 24 25 24 21 17 12 10 16 23 26 22 20 18 15 14
DEWPT               -1 -2 -2 -3 -3 -4 -3  4  5  1 -2 -4 -6 -8 -7 -5 -3 -3 -1 -1
MIN/MAX RH                   49          28          54          22          50
RH                  44 46 48 50 38 28 29 41 49 49 52 52 36 24 23 29 35 38 48 50
WIND DIR             N  N  N  N  N  W SW NW NW  N  N  N NE SE  S SE SE  S SW  W
WIND SPD             5  4  4  3  2  2  2  5 10 11 10  6  4  3  4  3  3  3  3  2
CLOUDS              CL CL FW SC B1 OV B2 OV B2 SC FW FW FW FW FW FW FW FW SC B1
CLOUDS(%)            2  3 19 40 68 89 81 91 70 31 15  9  6 16 12  8 12 19 29 63
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      0           5           5           0           0
LAL                  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            
MIX HGT             <1 <1 <1 <1  2  3  3 <1  3  3  2  2  2  3  3 <1            
T WIND DIR          NW  N  N  N NW NW NW  W NW NW  N  N  N  E  S  S            
T WIND SPD           9  5  5  6  4  4  4  9 17 18 13 12  6  2  4  4            
DISPERSION          PR VP VP             PR FR FR FR             VP VP VP VP   
ADI                  4  3  3  7 12 15 16  6 23 12  9 27 17  9 15  2            
MAX LVORI            2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2            
STABILITY            F  G  G  B  C  C  C  E  D  E  E  C  C  B  C  G            
CEILING                    None  9300  6800 13300  None  None  None  None      
STA PRES                  29.41 29.40 29.31 29.37 29.36 29.42 29.36            


Date           01/23Fri 01/24/25Sat 01/25/25Sun 01/26/25Mon 01/27/25
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       36      20      39      20      43      24      46      31      46
TEMP          33 30 25 21 37 31 24 21 40 35 27 25 44 39 33 32 44 41
DEWPT          2  6  9 11 13 14 14 14 16 21 20 21 27 30 30 31 35 33
RH            26 35 50 65 37 49 65 74 37 56 74 84 51 70 89 96 70 73
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 SC SC SC SC FW FW FW FW SC B1 B1 B1 B1 B1 B1 B1
POP 12HR            0       0       5       0       0       0      10      20      30
RAIN                                                           C  C
SNOW                                                        S      

$$


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