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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Fri Jul 31 2026

NCZ003-312000-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
801 AM EDT Fri Jul 31 2026

Date             Fri 07/31/26            Sat 08/01/26            Sun 08/02/26
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          65          84          69          79
TEMP                78 82 83 77 70 67 66 68 76 80 80 77 73 72 70 70 72 75 75 73
DEWPT               61 61 62 64 62 61 61 63 68 70 70 69 68 68 68 70 72 72 74 72
MAX/MIN RH                   46          85          68          99          91
RH                  56 49 49 64 76 81 84 84 76 72 72 76 84 87 93100100 90 97 97
WIND DIR            NE SW SW  S  S  N  S  S  S  S  S SE  S  S  S SE  S  S  S  S
WIND SPD             1  2  2  1  1  0  1  2  4  6  6  5 10 10  6  5  5  5  5  4
CLOUDS              CL SC SC FW SC B1 SC SC B2 B2 B1 B2 B2 B2 OV B2 B2 B2 B2 OV
CLOUDS(%)            4 32 34 11 40 64 38 47 71 83 63 70 80 87 88 76 82 85 85 88
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0          50          60          80
RAIN SHWRS                                     IS SC SC SC SC SC NM NM  O  O  O
TSTMS                                          IS IS IS IS       IS IS SC SC SC
MIX HGT              4  6  6 <1 <1 <1 <1 <1  3  5  3 <1 <1 <1 <1  1  2  3  2 <1
T WIND DIR          SW SW SW  S NE SE  S  S  S  S  S  S  S  S  S  S  S  S SW SW
T WIND SPD           1  5  4  2  1  1  2  3 14 18 19  8 14 14 10 10 18 18 16 12
DISPERSION                   VP VP VP VP             PR FR FR PR             VP
ADI                  6 42 32  1  1  1  1  3 46 76 67  5 13 13  7 16 47 54 44  8
MAX LVORI            3  1  1  3  4  6  5  5  3  3  3  4  4  4  6  5  4  4  4  6
STABILITY            A  A  A  G  G  F  G  A  C  C  C  E  D  D  E  C  C  C  C  E
CEILING              None  None  None  None  2500  2700  1700   600   300  1500
STA PRES            28.96 28.92 28.91 28.89 28.88 28.80 28.78 28.75 28.76 28.75


Date          Mon 08/03/26Tue 08/04/26Wed 08/05/26Thu 08/06/26
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      80      67      80      67      82      68      82
TEMP          71 70 75 75 69 69 76 75 70 69 78 76 71 69 80 76
DEWPT         71 70 74 73 69 69 73 72 70 69 73 73 71 69 73 73
RH           100100 97 94100100 90 90100100 85 90100100 79 90
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    OV B2 B2 B2 B1 B1 B1 B2 B1 B1 B1 B2 SC SC SC B2
POP 12HR           80      70      30      60      40      60      20      60
RAIN SHWRS     O SC SC NM SC IS IS NM SC    IS NM IS    IS NM
TSTMS         SC IS IS SC SC    IS SC SC       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