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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 PM EST Sun Dec 7 2025

VAZ046-080900-
RAWS 441101
37.39N  78.80W Elev. 804 ft
631 PM EST Sun Dec 7 2025

Date           12/07/25      Mon 12/08/25            Tue 12/09/25            Wed
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                 27          31          13          37          29
TEMP             35 32 31 31 29 28 28 26 24 22 18 15 14 26 35 36 33 31 31 32 33
DEWPT            32 30 30 31 29 28 25 22 20 18 14 11 10 17 22 24 26 27 29 29 31
MIN/MAX RH                  100          82          87          57          91
RH               89 92 96100100100 88 85 84 84 84 84 84 68 59 61 75 85 92 88 92
WIND DIR          S SW  N NE NE NE NE NE NE  N  N NW  W SW SW SW SW SW SW SW SW
WIND SPD          2  2  2  6 12 12 11  9  8  5  3  2  2  4  8  8  6  8  8  9 10
WIND GUST                    24 25 21 19                         17 18 18 20 21
CLOUDS           SC SC B2 OV OV OV OV OV OV B1 FW FW FW SC SC SC B1 SC B1 B1 B1
CLOUDS(%)        34 33 84 90 93 94 95 96 96 52 22 22 21 29 31 41 54 45 59 64 62
VSBY              9  9  2  8  4  2  2  2  3  8 10 10 10 10 10 10 10            
POP 12HR                     30          80          10           0           0
SNOW                          C  D  L  C                                       
MIX HGT          <1 <1 <1 <1  1  2  2  2  1 <1 <1 <1 <1  1  2  2 <1            
T WIND DIR        S  S NE NE NE NE NE  N  N  N NW  W  W  W SW SW  S            
T WIND SPD        2  2  1  9 21 27 25 18 16  5  2  1  1  3 12 14  8            
DISPERSION       VP VP VP PR             PR PR VP VP             PR PR PR PR   
ADI               1  1  1  6 32 52 52 34 11  4  1  1  1  5 31 30  5            
MAX LVORI         6  7  8  8  4  4  4  3  4  5  5  6  5  3  1  1  3            
STABILITY         G  F  F  E  D  D  D  D  E  E  G  G  B  C  C  C  E            
CEILING              None  2800  1500  2800  None  None  None  None  None      
STA PRES            29.37 29.38 29.47 29.50 29.55 29.54 29.54 29.38            


Date           12/10Thu 12/11/25Fri 12/12/25Sat 12/13/25Sun 12/14/25
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       50      32      46      28      44      20      35      18      35
TEMP          48 46 40 33 46 39 34 29 43 34 27 21 35 26 22 18 33 28
DEWPT         36 36 33 29 30 29 28 27 24 22 17 12 11 10  8  8  8 10
RH            63 68 76 85 53 67 78 92 47 61 65 68 36 50 54 64 34 46
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B1 B1 SC B1 B1 B1 SC B1 SC SC SC FW FW FW FW FW
POP 12HR            0       5      10      40      30      20       5       5       5
RAIN                             C  C  C  S  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

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