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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EDT Fri Aug 14 2026

NCZ003-142000-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
401 AM EDT Fri Aug 14 2026

Date             Fri 08/14/26            Sat 08/15/26            Sun 08/16/26
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                 91          71          89          70          90
TEMP          70 73 85 90 87 81 76 73 72 74 85 88 84 80 75 72 71 73 84 89 87 82
DEWPT         69 71 76 75 75 76 73 72 70 72 76 75 75 76 74 72 71 72 76 75 75 76
MAX/MIN RH                   62          96          66         100          63
RH            97 93 75 62 68 85 90 97 93 93 75 66 74 88 97100100 97 77 64 68 82
WIND DIR      NW NW NW  W NW SW NW  N NW NW NW NW NE  N  N  N  N  N SW  W  W  W
WIND SPD       1  2  2  3  3  1  1  1  1  1  2  3  2  0  0  0  0  0  2  4  3  1
CLOUDS        SC SC B1 B2 B1 B1 B2 SC B1 SC B1 B1 B1 B1 B1 B1 B1 B1 SC B1 B1 FW
CLOUDS(%)     38 47 59 74 67 53 84 50 51 47 51 68 61 63 69 59 54 54 38 59 59 22
VSBY          10 10 10 10 10 10 10 10  9  8 10 10  5 10 10 10 10  3 10 10 10 10
POP 12HR                     30          20          60          30          40
RAIN SHWRS             IS SC       IS       SC SC SC SC SC       IS IS SC SC   
TSTMS                  IS SC       IS       IS SC SC SC                SC SC   
MIX HGT       <1 <1  3  3  3 <1 <1 <1 <1 <1  3  4  3 <1 <1 <1 <1 <1  3  4  4 <1
T WIND DIR    NW NW  W NW  W SW  W NW NW NW NW NW NW NE  E  E SE  S  W  W  W  W
T WIND SPD     4  3  6 12  6  2  2  3  4  6 12 10 10  4  4  3  2  3  6 12 12  6
DISPERSION    VP             VP VP VP VP             VP VP VP VP             VP
ADI            2  3 27 50 23  1  1  2  2  7 49 50 37  2  2  2  1  3 24 49 71  3
MAX LVORI      8  6  3  1  3  5  7  8  6  6  3  1  3  6  8 10 10  8  3  1  1  5
STABILITY      G  A  B  B  B  F  F  F  F  A  B  B  B  F  F  F  F  A  A  C  A  G
CEILING              5000  5900  8700  None  None  3500  6000  None  None  None
STA PRES            28.21 28.18 28.20 28.19 28.23 28.20 28.23 28.21 28.20 28.11


Date          Mon 08/17/26Tue 08/18/26Wed 08/19/26Thu 08/20/26
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       72      93      70      88      67      88      69      91
TEMP          74 75 92 83 73 72 86 81 69 70 86 82 72 71 88 82
DEWPT         71 71 72 73 70 70 71 71 67 67 70 71 68 68 70 71
RH            90 87 52 72 90 93 61 72 93 90 59 69 87 90 55 69
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW SC SC SC SC SC SC FW SC SC SC SC SC SC
POP 12HR            5      10      10      20      10      10      10      20
RAIN SHWRS                         IS                      IS
TSTMS                              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