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

NCZ003-202000-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
931 AM EDT Mon Jul 20 2026

Date             Mon 07/20/26            Tue 07/21/26            Wed 07/22/26
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                 85          69          87          71          84
TEMP                78 83 83 79 74 72 71 72 80 86 84 81 76 75 73 72 76 80 82 78
DEWPT               72 72 73 72 71 71 70 71 74 74 74 72 71 71 70 72 74 73 73 71
MAX/MIN RH                   69         100          68         100          73
RH                  82 70 72 79 90 97 97 97 82 68 72 74 85 87 90100 94 79 74 79
WIND DIR             E SE SE SW SE  S SW SW SW SW  W SW SW SW SW SW SW SW SW  W
WIND SPD             4  4  4  2  2  3  4  6  8  9  9 10 11 12 11  9  6  6  5  3
WIND GUST                                      20 20                           
CLOUDS              B1 B1 B1 B2 B2 B2 B2 B1 B1 B2 B2 B1 B1 B2 B2 OV OV OV OV B2
CLOUDS(%)           59 53 55 82 76 77 78 62 66 78 72 59 66 84 84 92 92 94 94 71
VSBY                10 10 10 10 10 10  8 10 10 10 10  4  6 10  3 10 10 10 10 10
POP 12HR                     50          70          70          80          90
RAIN SHWRS             IS SC NM NM IS          NM SC SC SC  O  O  O  O  O  O NM
TSTMS                  IS SC SC SC IS          NM SC SC SC IS IS IS SC SC SC IS
Obvis                              PF                                          
MIX HGT              2  4  2 <1 <1 <1 <1 <1  2  3  2 <1 <1 <1 <1 <1  2  3  3 <1
T WIND DIR           E  S  S SE  S  W SW SW SW  W  W  W SW SW SW SW SW SW SW SW
T WIND SPD           4  2  8  4 11  2  2  5 13  5 14  4  3  3  6  8 16 21 21  9
DISPERSION                   VP VP VP VP             FR FR FR FR             VP
ADI                 14  8 25  2  5  1  2  4 37 18 31  4  3  3  6  7 42 68 69  4
MAX LVORI            4  3  3  5  9 10 10  9  4  3  3  4  5  6  6  8  4  3  3  4
STABILITY            B  C  B  F  F  F  E  C  C  C  C  D  D  D  D  C  C  C  C  F
CEILING                    2500  3600  1300  2100  3600  3500  2100  4200  2400
STA PRES                  28.85 28.87 28.83 28.85 28.87 28.80 28.81 28.83 28.81


Date          Thu 07/23/26Fri 07/24/26Sat 07/25/26Sun 07/26/26
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       65      78      63      79      65      78      65      83
TEMP          68 65 75 73 66 65 76 74 67 66 76 74 66 67 81 78
DEWPT         66 64 65 66 64 64 66 66 65 65 68 68 66 66 69 69
RH            93 97 71 79 93 97 71 76 93 97 76 82100 97 67 74
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 SC SC B1
POP 12HR           60      30      30      20      30      40      20      30
RAIN SHWRS    NM SC SC SC SC SC IS IS IS SC SC SC IS    IS SC
TSTMS         IS       SC IS       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