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

VAZ018-112000-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
401 AM EDT Tue Aug 11 2026

Date             Tue 08/11/26            Wed 08/12/26            Thu 08/13/26
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                 88          69          86          68          88
TEMP          71 72 82 86 86 76 73 71 70 70 77 83 85 78 72 70 69 71 80 85 86 78
DEWPT         67 68 71 70 70 70 68 68 67 67 71 71 71 70 68 68 67 68 71 71 72 71
MAX/MIN RH                   59          92          63          94          61
RH            87 87 69 59 59 82 84 90 90 90 82 67 63 76 87 93 93 90 74 63 63 79
WIND DIR      NW NW NW NW NW  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W NW
WIND SPD       6  6  8  6  6  5  6  6  8  9  8  8  6  4  4  4  4  4  5  6  6  4
WIND GUST     25 26 23 19 19 18 23 25 26 29 25 23 20 16 14 14 14 14 17 17 18 14
CLOUDS        B1 B1 SC B1 SC B1 B1 SC B2 B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1
CLOUDS(%)     57 65 33 64 34 66 64 46 72 58 66 55 32 52 52 65 65 55 60 62 59 64
VSBY           9  6 10 10 10 10  8 10  9  6 10 10 10 10 10 10 10  5 10 10 10   
POP 12HR                     40          50          30          30          40
RAIN SHWRS    SC SC    IS    SC IS IS          SC    SC SC       SC SC SC SC SC
TSTMS         IS IS    IS    SC                SC    IS                IS IS IS
MIX HGT       <1 <1  2  4  3 <1 <1 <1 <1  1  3  5  4 <1 <1 <1 <1  1  3  3  4 <1
T WIND DIR     W NW NW NW  W NW NW NW  W  W  W  W  W  W  W  W  W NW  W  W NW NW
T WIND SPD     8  9 14 19 10 11 12  6  4  3  9 19 17 17  6  5  6 12  9  6 13 16
DISPERSION    PR             PR PR PR PR             VP VP VP VP             VP
ADI            5 10 43 69 33  8  8  5  4  4 26 80 84 12  5  4  5 17 29 23 54 11
MAX LVORI      5  5  3  1  1  4  5  5  5  6  3  1  1  4  5  6  6  4  3  2  1  4
STABILITY      E  B  B  C  B  E  E  E  D  C  C  C  B  E  E  E  E  C  C  C  C  E
CEILING              None  None 13100  2100  1400  None  None  8700  6600  2800
STA PRES            27.81 27.78 27.79 27.77 27.75 27.69 27.68 27.68 27.70 27.72


Date          Fri 08/14/26Sat 08/15/26Sun 08/16/26Mon 08/17/26
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       70      86      66      84      66      87      70      85
TEMP          72 72 83 77 69 67 81 75 69 68 85 78 72 71 83 76
DEWPT         69 69 72 69 66 64 68 68 65 65 70 70 68 68 71 70
RH            90 90 70 76 90 90 65 79 87 90 61 76 87 90 67 82
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B1 B1 B1 SC SC B1 SC SC SC SC SC SC SC B1
POP 12HR           50      40      20      20      20      20      30      30
RAIN SHWRS    SC IS SC SC IS IS IS IS IS       IS SC       SC
TSTMS         IS       SC          IS          IS 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