EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 PM EDT Mon Jul 20 2026

NCZ003-210800-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
301 PM EDT Mon Jul 20 2026

Date           07/20/26      Tue 07/21/26            Wed 07/22/26            Thu
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                 69          86          71          83          64
TEMP          83 78 73 72 71 72 80 85 84 80 76 74 73 72 76 79 80 76 71 68 66 65
DEWPT         73 71 71 70 69 71 74 72 71 72 71 71 70 71 74 74 73 72 69 67 64 64
MIN/MAX RH                   96          65         100          80          97
RH            72 79 93 93 93 97 82 65 65 77 85 90 90 97 94 85 79 87 93 97 93 97
WIND DIR      SE  S SE SW SW SW SW SW  W SW SW SW SW SW SW SW SW SW NW  N  N NE
WIND SPD       3  3  3  3  4  5  8 10  9  8 11 12 12 10  6  6  5  3  4  5  6  9
CLOUDS        B1 OV B2 B1 B2 B1 SC B2 B2 B1 B1 B2 B1 OV OV OV OV B2 B2 B1 B1 B1
CLOUDS(%)     69 91 71 62 80 60 30 78 72 67 66 78 62 90 90 94 94 75 75 59 64 61
VSBY          10 10 10 10  9 10 10 10 10  4  6 10  3 10 10 10 10 10 10 10 10   
POP 12HR                     40          70          70          90          60
RAIN SHWRS    SC SC SC             SC SC SC IS IS SC  O  O  O  O NM NM SC SC IS
TSTMS         SC                   SC SC SC IS IS SC IS SC SC NM SC            
MIX HGT        3 <1 <1 <1 <1 <1  2  5  3 <1 <1 <1 <1 <1  2  4  2 <1            
T WIND DIR    SW SW SW SW SW SW SW SW SW SE  N SW SW SW SW SW  W SW            
T WIND SPD    10  5  2  2  3  8 13 21 13  2  0  8  6 14 21 21 18  8            
DISPERSION       VP VP VP VP             PR FR FR FR             VP VP PR PR   
ADI           39  3  1  1  2  9 42 87 46  2  0  7  6 16 50 78 47  4            
MAX LVORI      3  4  7  7  6  6  3  1  1  4  6  5  5  5  4  4  3  6            
STABILITY      B  F  F  F  E  C  B  C  C  D  D  D  D  C  C  C  C  F            
CEILING              3600  3600  None  5000  3600  2600  1100  2700  2700      
STA PRES            28.85 28.84 28.88 28.82 28.81 28.82 28.84 28.82            


Date           07/23Fri 07/24/26Sat 07/25/26Sun 07/26/26Mon 07/27/26
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       77      61      76      63      75      64      85      66      88
TEMP          74 73 64 62 74 72 66 64 73 72 66 66 82 78 69 68 86 82
DEWPT         65 65 62 61 64 65 64 64 68 68 66 66 70 70 68 68 71 71
RH            74 76 93 97 71 79 93100 84 87100100 67 76 97100 61 69
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 SC SC SC B1 B1 B1 B2 B2 B2 B1 SC SC B1 FW FW FW SC
POP 12HR           20      20      20      40      50      30      30      10      10
RAIN SHWRS    IS IS IS IS IS IS IS SC SC SC SC IS    SC            
TSTMS            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