EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Mon Aug 10 2026

VAZ018-110800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
231 AM EDT Mon Aug 10 2026

Date           08/09/26      Mon 08/10/26            Tue 08/11/26            Wed
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          90          71          88          69
TEMP                      69 71 82 86 87 78 75 73 72 73 81 85 84 76 73 71 71 71
DEWPT                     65 66 69 68 67 68 67 67 66 67 70 69 69 69 67 67 67 67
MIN/MAX RH                  100          52          85          59          89
RH                        87 84 65 55 52 71 76 81 81 81 69 59 61 79 81 87 87 87
WIND DIR                   W NW  W  W NW  W  W  W NW NW NW  W  W  W  W  W  W  W
WIND SPD                   3  3  5  5  6  5  6  8  8  8  8  8  8  6  6  6  6  8
WIND GUST                                            18                   17 19
CLOUDS                    SC SC SC SC FW SC SC B1 B1 B1 B2 B1 SC B1 B1 B1 B1 B1
CLOUDS(%)                 46 35 39 33 25 47 43 56 55 59 73 54 35 68 68 65 62 67
VSBY                       5  1 10 10 10 10 10 10 10  6 10 10 10 10 10 10 10 10
POP 12HR                      5          20          20          40          50
RAIN SHWRS                               IS                SC    SC SC SC SC IS
TSTMS                                    IS                SC    SC SC         
MIX HGT                   <1 <1  3  6  4 <1 <1 <1 <1 <1  3  4  4 <1 <1 <1 <1  1
T WIND DIR                 W  W  W  W SW  W  W NW NW  W NW NW  W  W  W  W  W  W
T WIND SPD                 4  4  8  9 12 12  6  5 27 16 20 16  5  4  5  4  4  4
DISPERSION                VP             PR PR PR PR             PR PR PR PR   
ADI                        2  4 32 63 66  8  5  5 25 19 75 62 26  3  4  3  3  8
MAX LVORI                  5  5  3  1  1  3  4  4  4  4  1  1  2  4  5  6  6  5
STABILITY                  F  A  A  A  B  E  E  D  D  C  B  C  B  E  E  E  E  B
CEILING                    None  None  None  None  None  5800  None 12800  7400
STA PRES                  27.90 27.92 27.85 27.87 27.87 27.86 27.80 27.81 27.76


Date           08/12Thu 08/13/26Fri 08/14/26Sat 08/15/26Sun 08/16/26
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       87      69      88      69      83      67      83      67      86
TEMP          84 76 71 71 84 78 72 71 80 75 70 68 81 75 69 69 83 76
DEWPT         69 69 68 68 68 71 69 68 71 70 67 65 69 69 66 65 70 70
RH            61 79 90 90 59 79 90 90 74 84 90 90 67 82 90 87 65 82
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR           40      40      30      20      50      30      40      30      40
RAIN SHWRS    IS SC SC       SC IS IS SC SC SC SC IS SC SC IS IS SC
TSTMS         IS SC SC       SC IS IS IS 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