National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EST Fri Nov 13 2026

VAZ046-132100-
RAWS 441101
37.39N  78.80W Elev. 804 ft
131 PM EST Fri Nov 13 2026

Date             Fri 11/13/26            Sat 11/14/26            Sun 11/15/26
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                 57          31          54          29          57
TEMP                      55 46 41 37 34 32 47 52 52 42 38 34 31 30 48 55 56 46
DEWPT                     27 28 27 25 25 24 30 27 25 26 26 26 26 26 32 31 28 32
MAX/MIN RH                   34          72          34          85          33
RH                        34 49 57 61 69 72 51 38 35 53 62 72 81 85 54 40 34 58
WIND DIR                   N  N  N  N  W  W NW NW NW  W  W  W  W  W NW NW NW NW
WIND SPD                   4  5  4  3  4  5 10 12 11  8  5  5  5  5  6  5  5  3
WIND GUST                    16                   21                           
CLOUDS                    B2 B1 B1 SC SC CL FW SC FW CL CL CL CL CL CL FW FW FW
CLOUDS(%)                 85 67 51 46 30  1 15 39 16  3  3  1  1  1  1 11 22 23
VSBY                      10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     30          30           0           0           0
RAIN SHWRS                   SC                                                
MIX HGT                    7  1 <1 <1 <1 <1  4  7  5 <1 <1 <1 <1 <1  3  6  5 <1
T WIND DIR                 N  N  N NW NW NW NW NW NW NW  W  W  W NW NW NW NW  N
T WIND SPD                13 13  8  8  9  9 14 18 18 11 10 10  9 10 11 10 11  9
DISPERSION                   PR VP VP VP             PR PR PR PR             VP
ADI                       47  6  4  4  4 10 58 86 79  5  5  5  4 11 43 65 64  4
MAX LVORI                  1  2  3  3  4  4  1  1  1  2  3  3  4  4  1  1  1  3
STABILITY                  D  F  F  F  F  B  C  C  C  F  F  F  F  B  B  B  B  G
CEILING                    5300  None  None  None  None  None  None  None  None
STA PRES                  29.03 29.13 29.19 29.28 29.33 29.44 29.50 29.57 29.58


Date          Mon 11/16/26Tue 11/17/26Wed 11/18/26Thu 11/19/26
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       29      58      29      61      29      65      31      67
TEMP          34 30 56 45 34 31 58 47 35 31 62 49 37 33 64 51
DEWPT         30 28 33 34 31 28 34 35 32 29 34 34 32 29 33 35
RH            85 92 42 65 89 88 40 63 89 92 35 56 82 85 31 54
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW CL FW CL CL CL CL CL CL CL CL CL CL CL CL 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