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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1031 AM EST Sun Dec 7 2025

VAZ046-072100-
RAWS 441101
37.39N  78.80W Elev. 804 ft
1031 AM EST Sun Dec 7 2025

Date             Sun 12/07/25            Mon 12/08/25            Tue 12/09/25
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19

MAX/MIN TEMP                 44          30          32          13          36
TEMP                   43 44 36 34 33 32 31 30 31 30 27 23 20 16 16 28 36 36 32
DEWPT                  33 34 32 31 31 32 30 27 23 19 16 13 11 10 10 13 17 21 22
MAX/MIN RH                   67         100          62          79          47
RH                     67 68 85 89 92100 96 88 72 63 63 65 67 77 77 53 45 54 66
WIND DIR                S  S SW  W NW NE NE NE NE NE NE NE  N  N NW SW SW SW SW
WIND SPD                4  3  2  2  2  5 10 11 10  9  5  4  3  2  2  4  8  8  6
WIND GUST                                20 21 20                            17
CLOUDS                 B2 B1 B1 B1 OV B2 B2 OV OV B2 B1 SC FW FW FW FW FW SC SC
CLOUDS(%)              70 54 53 58 92 84 84 91 89 85 59 33 13 11 12 22 18 39 38
VSBY                   10 10  9  8  7  6  7  1  2  7 10 10 10 10 10 10 10 10 10
POP 12HR                      0          30          60           0           0
SNOW                                      L  L  C  C                           
MIX HGT                 2 <1 <1 <1 <1 <1  1  2  2  2 <1 <1 <1 <1 <1  1  2  2 <1
T WIND DIR             SW  S  S NW NE NE NE NE NE NE  N  N NW  W SW SW SW SW SW
T WIND SPD              3  4  2  1  2 13 18 23 20 12  8  3  2  2  1 10 16 17  9
DISPERSION                   VP VP VP PR             PR VP VP VP             PR
ADI                     6  4  1  1  1  9 26 45 43 25  5  2  1  1  1 17 43 38  4
MAX LVORI               3  3  6  8  7  8  4  4  3  2  3  3  3  3  4  2  1  1  3
STABILITY               D  C  F  F  F  E  D  D  D  D  E  F  G  G  B  C  C  C  F
CEILING                    None 10000  3800  2400  3200  None  None  None  None
STA PRES                  29.37 29.38 29.40 29.48 29.51 29.54 29.51 29.48 29.32


Date          Wed 12/10/25Thu 12/11/25Fri 12/12/25Sat 12/13/25
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly     01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19

MIN/MAX TEMP       28      48      32      47      33      44      22      34
TEMP          30 32 47 46 40 34 47 41 39 36 44 37 27 22 34 25
DEWPT         25 28 35 34 32 29 31 31 33 32 30 23 15 10 10  7
RH            81 85 63 63 73 82 53 67 79 85 57 56 60 59 36 46
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 SC SC SC SC
POP 12HR            0       0       5      20      40      40      20      10
RAIN                                S  C  C  C  C            
SNOW                                      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