National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 PM EST Sun Nov 15 2026

VAZ024-152100-
RAWS 441631
37.63N  79.51W Elev. 865 ft
1231 PM EST Sun Nov 15 2026

Date             Sun 11/15/26            Mon 11/16/26            Tue 11/17/26
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                 54          30          57          29          62
TEMP                   54 53 43 39 36 34 32 46 54 55 45 40 36 33 32 48 58 60 49
DEWPT                  32 35 30 31 31 30 29 34 33 32 32 32 31 30 27 34 34 31 31
MAX/MIN RH                   43          91          41          91          33
RH                     43 50 60 73 82 85 88 63 45 41 60 73 82 89 81 58 40 33 50
WIND DIR               NW NW NW  W NW NW  N  N  N  S  S  N  S  N  S  N SW  N  N
WIND SPD                5  5  4  3  3  2  2  2  3  2  2  2  1  0  1  0  1  0  0
CLOUDS                 SC SC SC SC FW FW FW FW FW CL CL CL CL CL FW CL CL CL CL
CLOUDS(%)              29 43 29 26 22 17 15 12  6  4  2  1  2  5  9  4  5  2  1
VSBY                   10 10 10 10 10 10 10  9 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0           0           0           0
MIX HGT                 5  5 <1 <1 <1 <1 <1  3  4  3 <1 <1 <1 <1 <1  1  3  2 <1
T WIND DIR             NW  N  N NW NW NW  N  N  N  N  N  N NW NW NW NW NW  N  S
T WIND SPD             12 13  9  6  6  6  5  8  6  5  4  5  5  5  4  5  5  4  4
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                    74 79  4  3  3  3  6 29 32 25  2  3  3  3  4 11 21  9  2
MAX LVORI               1  1  3  3  3  4  4  2  1  2  3  4  6  8  9  3  2  2  2
STABILITY               B  B  G  G  G  G  A  A  A  A  G  G  G  G  A  A  A  A  G
CEILING                    None  None  None  None  None  None  None  None  None
STA PRES                  28.70 28.78 28.82 28.87 28.85 28.91 28.93 28.95 28.91


Date          Wed 11/18/26Thu 11/19/26Fri 11/20/26Sat 11/21/26
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       30      67      33      71      35      72      38      69
TEMP          38 33 63 52 40 34 69 54 42 36 70 55 44 39 68 54
DEWPT         29 28 31 31 31 29 34 32 31 30 39 38 36 34 42 40
RH            70 82 30 44 70 82 27 43 65 79 32 53 73 82 39 59
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    CL CL CL CL CL CL FW FW FW FW FW FW FW FW FW FW
POP 12HR            0       0       0       0       0       0       0       0

$$


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