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

NCZ003-190800-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
801 PM EDT Sat Jul 18 2026

Date           07/18/26      Sun 07/19/26            Mon 07/20/26            Tue
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                 70          87          66          85          67
TEMP                75 73 72 74 83 86 84 80 73 70 68 70 79 82 84 79 72 70 68 71
DEWPT               71 70 69 71 73 72 73 73 70 68 67 69 72 73 73 73 71 69 68 70
MIN/MAX RH                   92          65          99          70         100
RH                  87 90 90 90 72 63 70 79 90 93 97 97 79 74 70 82 97 97100 97
WIND DIR            SW SW SW  W  W NW NW NW NW  N  N  N SE  S  S  N  N  N  N  N
WIND SPD             1  1  2  2  3  4  3  1  1  0  1  0  1  4  2  0  0  0  0  0
CLOUDS              SC SC SC B1 SC B2 B1 SC FW SC SC SC SC B2 B2 B1 B1 B1 B1 B2
CLOUDS(%)           47 44 29 55 45 71 56 46 16 27 48 49 41 85 85 64 64 63 65 70
VSBY                 9  9  8 10  9  9  9  6  7 10 10  7  7  6  6  7  7 10 10   
POP 12HR                     20          60          20          80          50
RAIN SHWRS                         NM SC IS          IS IS  O  O SC SC       NM
TSTMS                              SC SC IS             IS SC SC SC IS         
MIX HGT             <1 <1 <1 <1  4  5  4 <1 <1 <1 <1 <1  3  3  2 <1            
T WIND DIR           W  W  W  W  W  W  W NW NW NW  N  N SE  S NE  E            
T WIND SPD           4  5  6  9  8 11 10 10  4  4  3  3  1  3  3  3            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  2  3  3 10 40 46 45  5  2  2  2  4  4 12 11  2            
MAX LVORI            6  6  6  5  3  1  1  4  6  6  8  8  4  4  3  5            
STABILITY            F  F  G  B  A  C  B  F  G  G  F  A  A  C  B  F            
CEILING              None  None  None  None  None  None  None  1500  3600      
STA PRES            28.05 28.04 28.06 28.01 28.05 28.06 28.09 28.06            


Date           07/21Wed 07/22/26Thu 07/23/26Fri 07/24/26Sat 07/25/26
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       88      69      86      62      81      61      81      64      84
TEMP          84 82 73 72 83 80 67 65 79 76 64 65 79 77 66 68 82 78
DEWPT         74 73 70 71 71 69 63 62 63 65 60 62 65 67 63 65 68 69
RH            72 74 90 97 67 69 87 90 58 69 87 90 62 71 90 90 63 74
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B1 B2 B2 B1 SC FW SC SC FW SC SC SC SC B1 SC B1
POP 12HR           70      70      60      20      20      10      20      20      30
RAIN SHWRS    NM NM SC NM NM SC IS IS IS IS          IS IS IS IS SC
TSTMS         SC NM 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