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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Sat Aug 15 2026

VAZ012-160800-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
231 AM EDT Sat Aug 15 2026

Date           08/14/26      Sat 08/15/26            Sun 08/16/26            Mon
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          86          68          87          69
TEMP                      68 69 78 84 84 75 70 69 68 69 79 84 87 79 72 71 70 69
DEWPT                     67 69 72 71 72 70 68 68 68 69 71 70 70 69 67 67 66 67
MIN/MAX RH                  100          61         100          56          92
RH                        97100 82 65 67 84 93 97100100 77 63 57 72 84 87 87 93
WIND DIR                  NW  W  W NW NW NW  W  W  W  W  W  W  W  W  W  W  W  W
WIND SPD                   1  1  2  2  2  1  1  1  2  2  3  3  3  2  3  4  4  3
CLOUDS                    SC B2 B1 B1 B1 SC SC SC B1 B1 FW SC SC B1 B1 SC B1 B1
CLOUDS(%)                 41 80 58 52 55 36 43 45 56 59 24 35 36 51 51 32 53 60
VSBY                       4  3 10 10 10 10  9  5  3  5 10 10 10 10 10  8 10 10
POP 12HR                     30          20          30          10          30
RAIN SHWRS                            IS IS       SC             SC SC         
TSTMS                                 IS IS       IS             SC IS         
Obvis                     PF PF                                                
MIX HGT                   <1 <1  3  4  3 <1 <1 <1 <1 <1  3  5  3 <1 <1 <1 <1  1
T WIND DIR                NW  N NW NW NW NW SW SW  W SW  W  W  W SW  W  W  W NW
T WIND SPD                 4  4  5 11  9  1  1  3  4  4 12 20 16  8  6  3  8 12
DISPERSION                VP             VP VP VP VP             VP VP VP VP   
ADI                        2  5 19 59 37  1  1  2  2  5 49135 62  4  3  2  5 20
MAX LVORI                  9  9  3  1  3  6  8  8  8  9  3  1  1  3  5  6  5  5
STABILITY                  F  B  B  B  B  G  F  F  F  B  A  A  A  F  F  F  E  B
CEILING                    None   300  None  None  1100  None  None  None  None
STA PRES                  27.40 27.43 27.39 27.38 27.35 27.33 27.26 27.23 27.23


Date           08/17Tue 08/18/26Wed 08/19/26Thu 08/20/26Fri 08/21/26
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       86      65      84      60      88      66      85      60      82
TEMP          81 76 67 65 80 74 62 63 83 77 67 67 80 73 62 63 77 71
DEWPT         69 68 66 65 64 63 60 61 63 65 63 64 66 65 62 61 63 62
RH            67 76 97100 58 69 93 93 51 67 87 90 62 76100 93 62 73
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 SC B1 SC FW FW FW FW FW SC SC B1 B1 B1 SC B1 B1
POP 12HR           50      20      10       5       5      20      40      30      40
RAIN SHWRS       SC IS                         IS IS SC SC IS IS SC
TSTMS            SC IS                               SC 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