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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EDT Thu Jul 23 2026

VAZ012-232000-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
401 AM EDT Thu Jul 23 2026

Date             Thu 07/23/26            Fri 07/24/26            Sat 07/25/26
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                 72          60          69          60          76
TEMP          65 65 67 71 71 66 63 62 60 61 65 69 69 68 63 62 60 62 68 72 75 71
DEWPT         62 62 62 62 62 61 61 59 58 59 61 63 63 64 63 62 60 62 66 66 66 65
MAX/MIN RH                   71          94          80         100          73
RH            90 90 84 73 73 84 93 90 93 93 87 81 81 87100100100100 93 81 74 81
WIND DIR       N NE  E SE SE SE SE SE  E  E SE SE SE SE SE SE SE  S  W  W  W  W
WIND SPD       1  1  1  1  1  2  2  2  2  2  2  2  2  2  2  1  1  1  1  2  1  1
CLOUDS        B1 B1 SC B1 B1 B1 OV B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B1 SC
CLOUDS(%)     65 65 50 64 52 55 88 80 75 80 85 84 74 60 85 78 86 83 75 71 68 43
VSBY           6  8 10 10 10  9  9 10  9 10 10 10 10 10 10 10  5  9 10 10 10 10
POP 12HR                     20          30          50          70          60
RAIN SHWRS    SC          IS SC             SC SC SC SC SC NM NM NM NM SC SC IS
TSTMS                     IS                   IS IS                   IS IS IS
Obvis                                 PF                                       
MIX HGT       <1 <1  2  3  3 <1 <1 <1 <1 <1  2  2  2 <1 <1 <1 <1 <1  2  3  2 <1
T WIND DIR     N NE  E  E SE SE  E  E  E  E  E  E SE SE SE SE SE SE SW  W  W  W
T WIND SPD     4  5  6  5  8  8  5  6  8  9 11  9  6  5  4  6  6  3  3  9  6  8
DISPERSION    VP             VP VP VP VP             VP VP VP VP             VP
ADI            2  6 19 22 27  4  3  3  4 10 27 28 21  3  2  3  3  4  7 34 18  4
MAX LVORI      6  5  4  3  3  5  6  6  6  5  4  3  3  5  8  9  9  9  6  3  3  5
STABILITY      F  B  A  B  B  F  F  F  F  B  B  B  B  F  F  F  F  B  B  B  B  F
CEILING               200  None  1000   500   200   600   500   100   200  1400
STA PRES            27.35 27.33 27.36 27.35 27.37 27.35 27.34 27.31 27.32 27.28


Date          Sun 07/26/26Mon 07/27/26Tue 07/28/26Wed 07/29/26
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       59      81      60      85      63      86      62      82
TEMP          62 62 77 73 62 62 80 76 65 65 81 77 66 64 78 74
DEWPT         62 62 65 65 61 62 65 66 63 65 68 67 64 64 65 64
RH           100100 67 76 97100 60 71 93100 65 71 93100 64 71
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC B1 B1 FW SC SC SC SC B1 B1 B1 B1 SC B1 B1
POP 12HR           20      40      10      10      30      40      50      30
RAIN SHWRS    IS IS SC SC             SC SC SC SC SC IS IS SC
TSTMS         IS    IS SC             IS    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