EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 PM EDT Tue Aug 11 2026

NCZ003-120800-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
431 PM EDT Tue Aug 11 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                 70          90          70          90          71
TEMP          83 79 71 74 72 73 82 86 88 80 74 72 71 72 84 89 87 81 75 73 72 74
DEWPT         69 70 66 66 65 66 68 68 68 68 71 70 69 70 73 73 73 74 72 71 70 71
MIN/MAX RH                   86          52          95          59          95
RH            63 74 84 76 79 79 63 55 52 67 90 93 93 93 70 59 63 79 90 93 93 90
WIND DIR      NW  W NW NW  W NW NW NW NW NW NW NW NW NW  W  W  W  W NW NW NW NW
WIND SPD       6  5  9  4  4  4  6  5  4  2  1  1  2  2  3  4  4  1  2  1  2  3
CLOUDS        OV B2 OV OV OV SC B1 SC SC SC B1 FW FW SC B1 B1 B1 B1 B1 SC SC SC
CLOUDS(%)    100 82 96 91 90 34 60 38 33 35 55 19 10 33 54 62 53 56 59 38 46 50
VSBY          10 10  9 10  9 10 10 10 10 10 10 10 10  3 10 10 10 10            
POP 12HR                     60          20          20          20           5
RAIN SHWRS    SC IS NM IS             IS                   IS IS               
TSTMS         SC                      IS                   IS IS               
MIX HGT        3 <1 <1 <1 <1 <1  3  4  4 <1 <1 <1 <1 <1  3  5  4 <1            
T WIND DIR     W SW  W NW NW NW NW NW NW NW NW NW NW NW  W  W SW  W            
T WIND SPD    10  4  3 35  8 20 12 13 11  2  2  5  5  3  9 11 14  9            
DISPERSION       PR PR VP VP             VP VP VP VP             VP VP VP VP   
ADI           39  3  3 24  5 20 45 69 54  1  1  3  3  3 32 47 57  4            
MAX LVORI      1  3  4  3  4  3  1  1  1  3  7  6  6  6  3  1  1  4            
STABILITY      B  E  D  E  E  A  B  A  A  G  F  G  G  A  B  C  C  F            
CEILING             12200  9700 13900  None  None  None  None  None  None      
STA PRES            28.09 28.04 28.08 28.05 28.06 28.07 28.11 28.08            


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       89      70      85      68      88      71      91      69      87
TEMP          88 83 73 71 82 79 71 70 86 81 73 73 89 82 71 71 85 80
DEWPT         74 74 71 70 71 72 69 69 72 73 70 70 71 71 69 69 69 69
RH            63 74 93 97 69 79 93 97 63 77 90 90 56 69 93 93 59 69
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 SC SC SC B1 SC SC B1 B1 SC FW SC SC SC SC SC SC
POP 12HR           30      20      50      20      30      10      20      10      20
RAIN SHWRS       SC    IS IS SC IS       SC          IS          IS
TSTMS            SC          SC IS       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