National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 PM EDT Tue Jul 14 2026

VAZ012-150800-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
431 PM EDT Tue Jul 14 2026

Date           07/14/26      Wed 07/15/26            Thu 07/16/26            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                 57          92          62          94          65
TEMP          84 76 63 60 57 62 79 86 91 82 69 65 63 66 81 88 92 83 71 67 65 69
DEWPT         60 62 59 57 55 59 64 64 62 65 63 62 61 64 68 64 64 65 64 64 63 66
MIN/MAX RH                   91          38          95          39          96
RH            44 62 87 90 93 90 60 48 38 56 81 90 93 93 65 45 40 55 79 90 93 90
WIND DIR       E  E  N NW NW NW  N  N  N NW NW  W  W  W  N  N NW NW NW  W  W  W
WIND SPD       2  1  0  1  1  1  2  1  1  1  1  1  1  1  2  1  1  1  1  1  1  1
CLOUDS        CL CL CL CL CL CL CL CL CL FW CL FW FW FW FW FW FW FW FW FW FW FW
CLOUDS(%)      1  1  3  1  1  2  1  5  0  6  3 22 12 23  7 16 12  9 15 11 13 22
VSBY          10 10 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        5 <1 <1 <1 <1 <1  3  5  6 <1 <1 <1 <1 <1  4  6  6 <1            
T WIND DIR     E  E  S SW  W  W  N  N  N NW NW  W  W NW  N NW  W  W            
T WIND SPD     8  4  2  3  3  2  9  4  2  3  4  3  3  2  5  2  2  2            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           49  2  1  2  2  2 33 28 16  2  2  2  2  2 27 16 17  1            
MAX LVORI      1  3  6  7  7  6  1  2  2  3  5  7  7  6  2  2  2  2            
STABILITY      A  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            27.41 27.39 27.40 27.33 27.34 27.35 27.36 27.31            


Date           07/17Sat 07/18/26Sun 07/19/26Mon 07/20/26Tue 07/21/26
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       92      64      87      64      86      63      87      63      87
TEMP          86 80 67 67 81 77 67 66 81 76 65 66 82 78 66 66 80 77
DEWPT         66 67 65 67 68 67 66 66 68 67 65 66 66 66 64 66 66 65
RH            51 65 93100 65 71 97100 65 74100100 58 67 93100 62 67
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW B1 B1 SC B1 B2 B1 B1 B1 B1 SC SC B1 B1 SC SC B1 B1
POP 12HR           50      40      70      40      40      20      30      20      40
RAIN SHWRS       SC SC    SC NM SC IS IS SC IS       SC IS IS IS SC
TSTMS            SC SC    IS SC IS    IS SC IS       SC IS       SC

$$


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