National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1201 PM EDT Thu Oct 22 2026

VAZ012-222000-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
1201 PM EDT Thu Oct 22 2026

Date             Thu 10/22/26            Fri 10/23/26            Sat 10/24/26
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                 64          34          68          36          65
TEMP                   61 61 51 46 42 39 37 53 63 65 55 48 44 41 39 52 61 62 52
DEWPT                  37 38 37 33 31 29 32 40 40 40 41 38 37 33 32 43 39 37 41
MAX/MIN RH                   40          81          38          77          38
RH                     41 42 59 60 65 67 82 61 43 40 59 68 76 73 76 71 44 39 66
WIND DIR               NW NW NW NW  N  N NE  E  E  E  E  E  E  E  E SE SE  E  E
WIND SPD                8  8  6  3  2  2  2  3  4  4  3  3  3  2  2  2  1  1  2
CLOUDS                 CL CL CL CL CL CL CL CL CL CL CL FW FW FW B1 FW CL CL CL
CLOUDS(%)               0  0  0  0  0  0  0  0  0  0  0  6  6 19 51 15  0  0  1
VSBY                   10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0           0           0           0
MIX HGT                 3  3 <1 <1 <1 <1 <1  2  3  3 <1 <1 <1 <1 <1  2  3  3 <1
T WIND DIR              N  N  N  N NW NW  W  E  E  E  E  E  E SE SE  E  E  E  E
T WIND SPD             13 14  8  5  3  2  2  6  5  5  5  6  8  8  6  6  5  5  4
DISPERSION                   PR VP VP VP             VP VP VP VP             VP
ADI                    51 49  4  3  2  1  2 16 24 24  3  3  4  4  7 14 19 20  2
MAX LVORI               1  1  3  4  4  6  6  2  2  2  4  8  9  9  8  3  2  2  3
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                  27.36 27.39 27.42 27.48 27.48 27.55 27.58 27.61 27.59


Date          Sun 10/25/26Mon 10/26/26Tue 10/27/26Wed 10/28/26
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       34      64      35      69      38      70      41      67
TEMP          38 35 60 50 40 36 66 53 43 40 67 55 45 42 63 54
DEWPT         38 34 41 44 40 36 38 43 40 38 42 46 44 42 46 48
RH           100 96 49 80100100 36 69 89 92 40 72 96100 54 80
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    CL FW FW CL CL FW FW CL FW FW FW SC SC SC SC SC
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