National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Fri Oct 16 2026

VAZ012-162000-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
801 AM EDT Fri Oct 16 2026

Date             Fri 10/16/26            Sat 10/17/26            Sun 10/18/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 77          40          52          29          57
TEMP                70 75 71 57 50 46 43 41 44 48 49 40 36 34 31 30 45 53 56 45
DEWPT               63 60 59 55 47 44 42 41 41 37 33 32 30 28 26 24 26 29 31 31
MAX/MIN RH                   59         100          53          84          37
RH                  78 60 66 93 89 93 96100 89 65 54 73 79 78 81 78 47 39 38 58
WIND DIR             W  W  W NW NW NW NW  N  N  N  N  N  N  N  N NE  E  E  E  E
WIND SPD             8  9  8  9 10 12 10 11 11 11 11  9  6  2  1  1  2  2  2  1
WIND GUST                       20          21                                 
CLOUDS              FW SC B2 B2 B2 B1 B2 B2 B1 SC FW FW FW FW FW FW FW FW FW FW
CLOUDS(%)            7 28 83 78 72 66 83 84 62 35 22 20 20 20 20 15 15 10 10 20
VSBY                10 10  6  6  7  5  3  5 10 10 10 10  1  1  1  1 10 10 10 10
POP 12HR                     60          60          30           5           5
RAIN SHWRS                NM SC SC SC NM SC                                    
MIX HGT              2  5  3  1  2  2  1  2  4  4  4 <1 <1 <1 <1 <1  2  3  3 <1
T WIND DIR           W  W  W  N  N NW NW  N  N  N  N  N  N  N  N NE  E  E  E  E
T WIND SPD          21 25 18 23 23 26 17 21 25 25 23 11 10  5  4  4 18 13 12  4
DISPERSION                   PR FR FR FR             PR PR VP VP             VP
ADI                 67102 40 26 26 36 19 42 66 96 82  8  5  3  2  4 49 49 40  2
MAX LVORI            3  1  1  4  4  4  5  4  4  1  1  3  4  5  5  4  1  1  1  3
STABILITY            B  C  D  D  D  D  D  D  D  C  C  E  F  G  G  A  B  B  B  G
CEILING              None  2300   800   300  None  None  None  None  None  None
STA PRES            27.20 27.14 27.21 27.25 27.40 27.48 27.57 27.61 27.69 27.65


Date          Mon 10/19/26Tue 10/20/26Wed 10/21/26Thu 10/22/26
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       31      61      36      67      39      68      39      67
TEMP          35 32 59 49 40 38 63 53 45 42 65 55 45 40 64 54
DEWPT         27 27 38 40 36 34 43 43 41 38 44 45 42 40 48 47
RH            72 81 45 71 85 85 48 69 86 86 46 69 89100 56 77
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR            5       5       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