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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 AM EDT Sat Aug 15 2026

NCZ003-152000-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
631 AM EDT Sat Aug 15 2026

Date             Sat 08/15/26            Sun 08/16/26            Mon 08/17/26
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                 87          72          89          73          92
TEMP             74 81 86 85 79 75 73 72 73 80 87 87 81 76 74 73 74 84 90 88 81
DEWPT            72 72 73 74 74 73 72 71 72 74 74 74 73 72 71 70 70 72 72 72 71
MAX/MIN RH                   63          98          62          91          54
RH               93 74 65 70 85 94 97 97 97 82 65 65 77 87 90 90 87 67 56 59 72
WIND DIR         NE NE  W  E  W  N  N  W  W SW SW SW  W  W  W  W  W  W NW NW NW
WIND SPD          3  2  3  2  1  2  2  2  1  3  4  4  3  4  4  4  4  5  5  5  4
CLOUDS           SC SC B1 B1 B1 SC B1 SC SC B1 B1 B1 FW FW FW FW FW SC FW SC SC
CLOUDS(%)        26 31 57 59 53 48 51 44 31 54 53 52 18 15 13 12 13 30 25 32 40
VSBY              9 10 10 10 10 10  9  6  6 10 10 10 10 10 10 10 10 10 10 10  6
POP 12HR                     40          30          30           5          10
RAIN SHWRS             SC SC IS IS SC IS       SC SC                           
TSTMS                  IS IS IS IS IS IS       IS IS                           
Obvis            PF                                                            
MIX HGT          <1  3  4  2 <1 <1 <1 <1 <1  2  5  4 <1 <1 <1 <1 <1  3  6  4 <1
T WIND DIR        N  N NW  W SE  E  E  E  E SW  W  W SW  W  W  W  W  W  W NW  W
T WIND SPD        4  5  5  5  1  2  5  4  3  2 11 11  3  3  4  3  2  6  9 13  2
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI               4 20 29 18  1  1  3  2  3  7 75 54  2  2  2  2  2 24 64 77  1
MAX LVORI         6  3  3  3  6  7  9  8  9  4  1  1  4  6  6  7  6  3  1  1  3
STABILITY         A  A  B  B  F  G  F  F  A  B  A  A  G  F  F  F  A  A  A  A  F
CEILING              None  6800  None  None  None  None  None  None  None  None
STA PRES            29.08 29.02 29.02  29.0 28.99 28.89 28.87 28.86 28.86 28.80


Date          Tue 08/18/26Wed 08/19/26Thu 08/20/26Fri 08/21/26
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       71      89      68      90      71      90      68      85
TEMP          73 72 87 81 71 69 87 82 73 72 88 80 70 68 82 76
DEWPT         70 69 68 67 65 65 69 68 68 68 68 67 66 65 65 65
RH            90 90 53 63 81 87 55 63 84 87 52 65 87 90 56 69
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC FW FW SC FW FW FW SC SC SC B1 B1 SC B1 B1
POP 12HR           10       5       5       5       5      40      40      40
RAIN SHWRS                                     SC SC       SC
TSTMS                                          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