National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
501 PM EDT Tue Oct 13 2026

VAZ012-140800-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
501 PM EDT Tue Oct 13 2026

Date           10/13/26      Wed 10/14/26            Thu 10/15/26            Fri
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08

MIN/MAX TEMP                 55          83          59          78          59
TEMP             64 60 59 57 55 71 79 80 66 63 61 60 60 71 76 76 67 63 62 61 61
DEWPT            58 56 55 55 55 62 63 63 63 60 60 58 59 67 67 67 65 63 61 59 59
MIN/MAX RH                   99          53         100          70          99
RH               81 87 87 93100 73 58 56 90 90 97 93 96 87 74 74 93100 97 93 93
WIND DIR          W  W  W  W  W  W  W  W  W  W  W  W  W SW SW SW SW SW SW  W  W
WIND SPD          2  3  3  3  3  2  2  2  2  2  2  1  1  1  2  2  1  2  2  5  6
WIND GUST                                                                    17
CLOUDS           CL CL CL CL CL CL CL CL FW SC SC SC SC B1 B1 B1 SC SC FW FW FW
CLOUDS(%)         1  2  2  1  1  3  4  3 24 44 50 43 50 61 59 59 37 36 18 18 19
VSBY             10 10 10 10  9  7  7  7  7  7  7  7  7 10 10 10 10            
POP 12HR                      0           0           5          40          10
RAIN SHWRS                                                 SC SC               
MIX HGT          <1 <1 <1 <1 <1  2  3  2 <1 <1 <1 <1 <1  1  3  2 <1            
T WIND DIR        W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W SW            
T WIND SPD        6  6  6  5  5 12  9  9  4  5  5  6  5  8 11  9  3            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP PR   
ADI               3  3  3  3  6 26 34 27  2  3  3  3  6 14 38 26  2            
MAX LVORI         6  6  6  6  6  3  1  2  6  8  6  6  9  4  3  3  7            
STABILITY         G  G  G  G  B  B  B  B  G  F  F  F  A  C  C  C  G            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            27.34 27.35 27.38 27.35 27.37 27.37 27.39 27.35            


Date           10/16Sat 10/17/26Sun 10/18/26Mon 10/19/26Tue 10/20/26
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MAX/MIN TEMP       75      36      54      29      59      33      63      39      67
TEMP          71 52 44 38 50 42 33 31 56 47 37 35 61 52 45 42 65 56
DEWPT         60 46 37 33 32 32 29 27 36 38 33 30 42 46 42 40 49 50
RH            68 80 76 82 50 67 85 85 47 71 85 82 49 80 89 93 56 80
WIND SPD          <15     15>     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW B2 B1 B1 SC FW CL CL CL CL CL FW SC FW SC SC SC SC
POP 12HR           60      20       0       0       0       0       0       5       5
RAIN SHWRS       NM IS                                             

$$


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