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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Tue Aug 25 2026

NCZ001-260800-
RAWS 310142
36.40N  81.46W Elev. 4608 ft
231 PM EDT Tue Aug 25 2026

Date           08/25/26      Wed 08/26/26            Thu 08/27/26            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                 57          71          60          71          61
TEMP          70 63 60 60 59 59 67 69 68 63 63 63 62 63 67 70 68 63 63 63 63 62
DEWPT         53 52 53 53 53 55 58 61 63 61 60 60 59 60 62 62 63 61 60 60 60 60
MIN/MAX RH                   85          74          93          78          94
RH            55 67 78 78 80 87 73 76 84 93 90 90 90 90 84 76 84 93 90 90 90 93
WIND DIR      SW  S  S  S  S  S  S  S  S  S  S  S  S  W SW  S  S  S  S SW  W  W
WIND SPD       3  2  4  5  5  5  6  8  5  4  5  6  5  4  4  4  3  2  4  4  4  5
CLOUDS        FW CL SC FW SC SC SC B1 B1 SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2
CLOUDS(%)      6  4 29 16 28 28 40 54 61 45 33 59 63 65 54 81 81 76 75 81 73 76
VSBY          10 10 10 10 10 10 10 10 10 10 10  7  7  7  7  7  7  7  7  7  7  7
POP 12HR                      0          40          10          70          50
RAIN SHWRS                         SC SC                IS SC NM SC SC       SC
TSTMS                              SC SC                IS SC SC SC IS         
MIX HGT        5 <1 <1 <1 <1 <1  4  4  2 <1 <1 <1 <1 <1  3  5  3 <1            
T WIND DIR     W  S  S SW SW  S  S  S  S  S  S  S SW SW  W  S  S NE            
T WIND SPD     3  3  4  1  1  1 10  9  6  4  6 10  3  2  6  5 10  2            
DISPERSION       VP VP PR PR             VP PR PR PR             VP VP VP VP   
ADI           21  2  2  1  1  1 44 35 17  3  3  7  2  2 22 23 33  1            
MAX LVORI      2  3  4  6  6  5  3  3  4  6  6  5  6  6  4  3  4  7            
STABILITY      A  G  F  F  F  A  B  C  C  E  F  E  E  A  C  C  B  F            
CEILING        None  None  None  None   600  None 10600  9700   500   500      
STA PRES      26.78 26.81 26.80 26.82 26.78 26.76 26.75 26.75 26.72            


Date           08/28Sat 08/29/26Sun 08/30/26Mon 08/31/26Tue 09/01/26
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       69      58      70      59      73      61      76      62      77
TEMP          68 64 61 59 68 64 61 60 70 66 63 62 73 69 65 64 74 69
DEWPT         63 62 60 59 63 62 61 60 63 62 61 61 62 62 61 61 63 62
RH            84 93 97100 84 93100100 78 87 93 97 68 78 87 90 69 78
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 OV B2 B1 B1 B1 SC B1 B1 B1 SC SC SC SC SC SC SC B1
POP 12HR           70      20      50      10      30       5      20       5      30
RAIN SHWRS    SC NM IS IS SC SC       IS SC       IS IS       IS SC
TSTMS         IS SC IS    IS 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