National Weather Service United States Department of Commerce

Winter Storm Warning and Winter Weather Advisory for Portions of the Area

Measurable snow, gusty winds, very low wind chills, and travel concerns are expected for portions of the area through tonight. Read More >

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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
831 AM EST Mon Nov 10 2025

NCZ003-102100-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
831 AM EST Mon Nov 10 2025

Date             Mon 11/10/25            Tue 11/11/25            Wed 11/12/25
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                 39          23          45          30          59
TEMP                38 38 36 28 27 26 25 25 35 42 43 35 31 31 32 33 49 57 56 46
DEWPT               21 18 16 16 16 14 12 13 15 15 18 18 17 17 18 21 29 33 36 36
MAX/MIN RH                   43          63          33          59          40
RH                  50 44 43 60 63 60 57 60 43 33 36 49 56 56 56 61 46 40 47 68
WIND DIR            NW NW NW NW NW NW NW  W  W  W  W  W SW  W  W  W  W  W  W  W
WIND SPD            10 10 10  9  9 10 10 10 10  8  6  2  2  2  3  4  9 10  9  3
WIND GUST                 20 23 24 25 25 24 21                   14 20 20    14
CLOUDS              FW SC SC SC B2 SC SC FW FW FW FW FW FW FW FW FW FW FW CL FW
CLOUDS(%)           15 37 46 46 70 40 32 25  7 13  7 22 14 16 10  9  8 11  5  9
VSBY                10 10 10 10 10  9 10 10 10 10 10 10                        
POP 12HR                     10          20           0           0           0
SNOWSHWRS                       IS                                             
MIX HGT              4  5  5  2  3  2  1  1  3  5  4 <1 <1 <1 <1 <1  3  4  3 <1
T WIND DIR          NW NW NW NW NW NW NW  W NW  W  W SW SW SW SW  W  W  W  W  W
T WIND SPD          23 17 21 27 24 34 26 27 26 20 17 10  8  6  5  8 25 26 21 10
DISPERSION                   PR PR FR FR             VP VP VP VP             VP
ADI                 91 74 89 37 32 23 18 42 91113 82  5  4  3  3  8 85 99 69  5
MAX LVORI            1  1  1  1  1  2  2  1  1  1  1  2  2  3  3  2  1  1  1  3
STABILITY            C  C  C  D  D  E  E  C  C  B  B  G  G  G  G  B  C  C  C  G
CEILING                    None  4000  None  None  None  None  None  None  None
STA PRES                  28.02 28.07 28.14 28.20 28.18 28.13 28.06 28.04 28.04


Date          Thu 11/13/25Fri 11/14/25Sat 11/15/25Sun 11/16/25
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       37      59      34      64      41      68      42      62
TEMP          42 39 57 46 38 37 62 50 45 44 66 56 48 44 60 54
DEWPT         36 33 31 33 31 28 35 39 38 39 48 48 45 42 48 50
RH            79 79 37 60 76 70 36 66 76 82 52 74 89 93 64 86
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC B1 SC SC FW FW FW FW FW FW SC SC SC B1 B1
POP 12HR            0       0       0       0       5       0       5      30
RAIN SHWRS                                              IS SC

$$


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