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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1101 AM EDT Sat Jul 18 2026

VAZ018-182000-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
1101 AM EDT Sat Jul 18 2026

Date             Sat 07/18/26            Sun 07/19/26            Mon 07/20/26
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          70          87          67          85
TEMP                   86 84 76 74 73 72 73 79 84 85 77 71 69 67 69 77 82 84 77
DEWPT                  72 70 70 69 69 69 69 71 71 69 68 66 65 65 65 69 69 69 69
MAX/MIN RH                   62          90          58          92          60
RH                     63 63 82 84 87 90 87 77 65 59 74 84 87 93 87 76 65 61 76
WIND DIR                W  W  W  W  W  W NW NW NW NW NW NW  N  N NE SE  S  S SE
WIND SPD                6  6  6  5  5  6  6  5  5  5  2  2  1  1  1  2  3  3  2
WIND GUST                    21 21 23 24 24 17                                 
CLOUDS                 OV B2 B1 SC SC B2 B1 SC B1 SC SC SC SC SC B1 SC B1 B1 SC
CLOUDS(%)              99 75 53 42 40 79 53 32 60 50 40 33 38 41 55 39 67 67 50
VSBY                   10 10  9  7  7  7  7  7  7  7  7  7 10 10  7  7  6  6  7
POP 12HR                     40          20          30          20          50
RAIN SHWRS             SC SC                      SC IS          IS IS SC SC IS
TSTMS                  SC SC                      SC IS                SC SC IS
MIX HGT                 3  4  1 <1 <1 <1  1  3  4  5  1 <1 <1 <1 <1  3  5  4 <1
T WIND DIR              W  W  W  W  W  W NW NW NW  W NW NW NW  N  E  S SE SW  E
T WIND SPD             13 13 14 11  9 14 19 11 13 11 10  3  3  1  3  5  3  4  1
DISPERSION                   PR PR PR PR             VP VP VP VP             VP
ADI                    47 48 10  8  4 10 34 46 53 67  5  2  2  1  4 24 18 24  1
MAX LVORI               1  1  4  4  5  5  4  3  1  1  4  5  7  8  6  3  2  2  4
STABILITY               C  C  E  E  F  E  C  A  C  A  G  G  G  F  B  A  B  B  F
CEILING                    4100  None  1400  None  None  None  None  None  2400
STA PRES                  27.69 27.68 27.66 27.71 27.70 27.73 27.76 27.78 27.74


Date          Tue 07/21/26Wed 07/22/26Thu 07/23/26Fri 07/24/26
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       68      89      69      83      59      81      60      84
TEMP          70 71 87 79 72 71 81 74 64 62 78 72 63 63 80 75
DEWPT         67 68 71 69 68 68 67 63 59 58 59 59 57 58 63 63
RH            90 90 59 72 87 90 63 69 84 87 52 64 81 84 56 66
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B1 B2 B2 B2 B1 B1 SC FW SC FW SC SC SC B1
POP 12HR           20      60      80      40      20       5       5      20
RAIN SHWRS    IS    SC NM  O NM SC SC IS IS                IS
TSTMS         IS    IS SC SC       IS                      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