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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
901 AM EDT Wed Jul 22 2026

VAZ024-222000-
RAWS 441631
37.63N  79.51W Elev. 865 ft
901 AM EDT Wed Jul 22 2026

Date             Wed 07/22/26            Thu 07/23/26            Fri 07/24/26
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                 87          65          78          60          80
TEMP                83 87 85 78 74 71 67 65 72 77 78 74 65 62 60 63 73 78 80 74
DEWPT               70 67 67 69 66 64 61 57 58 59 60 61 60 59 57 59 61 61 62 62
MAX/MIN RH                   51          81          53          90          54
RH                  65 52 55 74 76 79 81 75 61 54 54 64 84 90 90 87 66 56 54 66
WIND DIR             W  W  W  W NW  N  N  N NE  E  E SE  N  N NE NE  E  E SE  E
WIND SPD             4  5  4  1  1  2  3  4  3  3  3  2  0  0  1  1  2  3  3  1
WIND GUST                             14                                       
CLOUDS              B1 B1 B1 B1 B1 B1 B1 B1 SC SC FW FW SC SC B1 B1 B2 B2 B2 B2
CLOUDS(%)           69 69 61 64 63 55 63 54 38 28 20 20 34 34 65 62 77 85 78 79
VSBY                 9 10 10 10  8  7  6 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     20          20           5           5          20
RAIN SHWRS                   IS                                        IS IS IS
TSTMS                        IS                                                
MIX HGT              4  5  3 <1 <1 <1 <1  1  2  4  4 <1 <1 <1 <1 <1  3  4  4  1
T WIND DIR           W  W  W  N  N  N NE NE NE  N  N SE SE NE NE NE SE SE SE SE
T WIND SPD          19 16 11  1  3  5 12 14  9  0  0  5  2  2  3  4 13 11 10 11
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 95 69 51  1  2  3  6 22 30  0  0  3  1  1  2  5 52 56 51  5
MAX LVORI            3  1  1  4  4  4  4  3  2  2  2  3  5  7  7  5  1  1  1  3
STABILITY            A  C  A  F  F  F  F  C  A  A  A  G  G  G  F  A  B  B  B  F
CEILING                    3700  5100  4300  None  None  None 17500 14400  5900
STA PRES                  28.40 28.44 28.51 28.59 28.58 28.63 28.65 28.67 28.60


Date          Sat 07/25/26Sun 07/26/26Mon 07/27/26Tue 07/28/26
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       62      81      63      89      65      92      66      91
TEMP          65 65 78 74 66 66 86 81 69 69 90 83 70 69 88 82
DEWPT         62 63 66 66 65 66 68 69 67 68 69 68 67 68 69 68
RH            90 93 67 76 97100 55 67 93 97 50 61 90 97 54 63
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B1 SC SC SC SC SC FW SC SC B1 B1 SC B1
POP 12HR           40      30      20      10      10      20      40      40
RAIN SHWRS    IS SC SC IS IS IS                IS SC SC IS SC
TSTMS                  IS                      IS 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