National Weather Service United States Department of Commerce

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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Wed Dec 10 2025

VAZ018-102100-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
701 AM EST Wed Dec 10 2025

Date             Wed 12/10/25            Thu 12/11/25            Fri 12/12/25
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                 47          25          31          23          36
TEMP                40 45 43 36 33 31 27 26 28 30 28 25 24 24 25 26 30 33 34 32
DEWPT               25 28 33 32 28 24 20 18 18 18 17 17 16 17 17 19 23 27 28 28
MAX/MIN RH                   50          84          60          77          71
RH                  55 51 67 85 82 75 74 71 66 60 63 71 71 74 71 74 75 78 78 85
WIND DIR            SW  W  W  W  W NW NW NW NW NW  W  W  W  W  W SW SW SW SW SW
WIND SPD            10 11 10 11 14 17 17 16 14 12 11  9  8  5  5  4  5  5  5  5
WIND GUST           32 31 32 37 43 44 47 37 33 26 25 23 20 16                16
CLOUDS              B2 B2 B1 B1 B1 B1 SC SC SC SC SC B1 B1 B2 B2 B2 B2 OV B2 B2
CLOUDS(%)           84 70 65 57 61 51 49 40 37 39 39 51 59 78 79 75 85 88 86 81
VSBY                 8  8  6  7  8  9 10 10  9  9  9 10 10 10 10 10 10 10      
POP 12HR                     50          40           5          10          40
RAIN                    S  C  C                                                
SNOW                             S                                             
SNOWSHWRS                                                        SC SC SC SC IS
MIX HGT              1  2  2 <1  1  2  2  2  2  3  2  1  1 <1  1 <1  1  2  1 <1
T WIND DIR          SW SW  W  W  W NW NW NW NW NW  W  W  W  W  W SW SW  W  W  W
T WIND SPD          13 23 20 19 35 36 39 41 39 32 24 14 10  9  6  6  6 20 16  6
DISPERSION                   FR GD GD GD             PR PR PR PR             PR
ADI                 20 42 40 18 32 41 53 70 84 77 52 13  9  6  5  8 10 35 22  5
MAX LVORI            2  1  3  4  3  3  3  3  1  1  1  3  3  3  3  4  4  3  3  5
STABILITY            D  D  D  D  D  D  D  D  D  D  D  D  D  E  E  D  D  D  D  E
CEILING              9600  5700  None  None  None  None  1600  1300  2300   500
STA PRES            27.39 27.30 27.36 27.47 27.61 27.66 27.69 27.67 27.61 27.61


Date          Sat 12/13/25Sun 12/14/25Mon 12/15/25Tue 12/16/25
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       29      39      23      29      10      31      18      41
TEMP          32 31 37 30 31 28 27 17 14 12 29 22 22 23 39 32
DEWPT         28 27 28 27 30 25 13  7  0  1  5 10  9 11 17 20
RH            85 85 70 88 96 88 55 64 53 60 35 59 57 59 40 61
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B1 B1 B1 B2 SC SC SC FW FW FW SC SC SC SC
POP 12HR           20       0      20      10       5       5       5       5
SNOWSHWRS     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

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