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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Wed Aug 12 2026

NCZ003-130800-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
231 AM EDT Wed Aug 12 2026

Date           08/11/26      Wed 08/12/26            Thu 08/13/26            Fri
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                 68          86          70          91          71
TEMP                      68 70 79 85 85 79 74 71 71 72 85 90 87 81 75 73 72 74
DEWPT                     62 65 68 68 66 67 70 69 68 70 73 73 74 75 72 71 69 71
MIN/MAX RH                   87          53          93          58          93
RH                        81 84 69 57 53 67 87 93 90 93 67 58 65 82 90 93 90 90
WIND DIR                  NW  W  W NW NW NW NW NW NW  W  W  W  W  W NW NW NW NW
WIND SPD                   4  4  6  5  4  2  2  1  2  3  3  3  3  1  1  1  1  2
WIND GUST                    14                                                
CLOUDS                    B2 SC B1 B1 SC FW SC FW SC SC SC B1 B1 B1 SC SC SC SC
CLOUDS(%)                 71 46 63 61 33 19 37 23 38 42 48 55 54 61 44 33 33 41
VSBY                      10 10 10 10 10 10 10  9 10 10 10 10 10 10 10 10 10 10
POP 12HR                     40          20          20          20           5
RAIN SHWRS                         IS       IS             IS                  
TSTMS                              IS       IS             IS                  
MIX HGT                   <1 <1  3  3  4 <1 <1 <1 <1 <1  3  5  4 <1 <1 <1 <1 <1
T WIND DIR                NW  N  N NW  W SW NW NW NW  N  W  W SW  W  W NW NW NW
T WIND SPD                 5 20 16 13  6  1  3  3  3  3  6 10  6  3  3  5  8  8
DISPERSION                VP             VP VP VP VP             VP VP VP VP   
ADI                        4 20 53 58 35  1  2  2  2  3 27 62 30  2  2  3  4  8
MAX LVORI                  5  4  1  1  1  4  7  7  7  6  3  1  3  5  7  6  6  5
STABILITY                  E  A  B  B  A  G  G  G  G  A  A  B  B  F  F  G  G  A
CEILING                   11400 30000  None  None  None  None  None  None  None
STA PRES                  28.10 28.11 28.04 28.06 28.05 28.10 28.07 28.10 28.14


Date           08/14Sat 08/15/26Sun 08/16/26Mon 08/17/26Tue 08/18/26
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       91      71      88      70      90      72      91      69      87
TEMP          89 82 73 73 87 81 72 72 87 83 74 74 89 83 72 71 84 80
DEWPT         74 75 72 71 73 74 70 70 74 75 71 70 71 72 69 69 71 70
RH            61 79 97 93 63 79 93 93 65 77 90 87 56 70 90 93 65 72
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 B1 B1 B1 B2 B1 SC SC B1 SC FW FW SC SC SC SC B1
POP 12HR           30      20      60      30      30      10      20      10      30
RAIN SHWRS       SC IS IS IS NM SC       SC          IS          SC
TSTMS            SC IS       SC 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