National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 AM EST Mon Dec 1 2025

WVZ043-012100-
RAWS 465401
37.53N  81.00W Elev. 2725 ft
631 AM EST Mon Dec 1 2025

Date             Mon 12/01/25            Tue 12/02/25            Wed 12/03/25
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                 39          30          38          21          39
TEMP             23 27 36 38 32 31 31 33 34 37 35 33 29 27 26 24 22 28 36 37 29
DEWPT            19 21 19 18 19 20 25 31 34 37 34 29 25 23 21 20 20 23 23 24 23
MAX/MIN RH                   45         100          84          91          57
RH               84 78 50 44 58 63 78 92100100 96 85 85 85 81 84 92 81 59 59 78
WIND DIR          N NE  E SE SE SE SE SE SE  W  W NW NW NW NW NW NW  W  W  W SW
WIND SPD          2  3  4  5  5  5  5  5  3  4  9 10 10  8  5  4  3  2  3  3  2
WIND GUST                          16             20 21 19                     
CLOUDS           SC FW FW FW SC B2 OV OV OV OV OV OV OV OV B2 B2 B1 SC FW CL FW
CLOUDS(%)        35 14 11 25 46 79 97 98 98 98 95 88 92 90 84 70 52 32 10  5  6
VSBY             10 10 10 10 10 10  7  3  3  3  5  7 10 10 10 10 10 10 10 10 10
POP 12HR                      0         100         100          10           0
FRZG RAIN                           L                                          
RAIN                                   D  D  L  S  S                           
SNOW                                               S                           
MIX HGT           1  1  2  2 <1 <1  1 <1 <1 <1  2  2  2  2  2 <1 <1  2  2  2 <1
T WIND DIR        N NE SE SE SE SE SE  S SE NW NW NW NW NW NW NW NW NW SW SW SW
T WIND SPD        8  3  6 13 13 17 16 13  6 10 20 26 28 25 19 10 10  5  2  3  1
DISPERSION                   PR PR PR PR             FR PR PR VP             VP
ADI              14  7 18 37  9 12 11  9  5 11 36 51 32 28 13  7  8 12  6  7  1
MAX LVORI         4  4  2  1  2  3  4  6  9  7  4  4  4  4  4  4  5  4  3  3  6
STABILITY         B  B  C  C  E  E  E  E  C  D  D  D  D  D  E  E  C  B  B  B  G
CEILING              None  None  7900  2700   600   600   700   700  None  None
STA PRES            27.91 27.78 27.67 27.47 27.39 27.40 27.53 27.60 27.65 27.62


Date          Thu 12/04/25Fri 12/05/25Sat 12/06/25Sun 12/07/25
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       26      35      23      34      30      39      29      41
TEMP          27 29 34 28 24 24 32 31 33 33 37 34 32 31 40 34
DEWPT         22 24 27 23 21 22 27 29 31 33 35 31 29 29 30 29
RH            81 81 75 81 88 92 81 92 92100 92 89 88 92 67 82
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC B1 B2 B2 B2 B2 OV OV OV OV B2 B2 B2 B1 B1
POP 12HR            0       5      10      50      60      40      40      20
FRZG RAIN                              L                     
RAIN                                C     L  C  C  C  S  S   
SLEET                               C  L  L                  
SNOW                             C  C                        

$$


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