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

VAZ046-152000-
RAWS 441101
37.39N  78.80W Elev. 804 ft
801 AM EDT Sat Aug 15 2026

Date             Sat 08/15/26            Sun 08/16/26            Mon 08/17/26
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                 87          70          89          73          93
TEMP                81 86 86 78 73 72 71 72 80 87 88 81 76 75 73 75 85 91 92 84
DEWPT               73 73 72 72 72 71 71 72 75 76 76 75 73 72 71 72 73 73 72 71
MAX/MIN RH                   63         100          67          93          52
RH                  77 65 63 82 97 97100100 85 70 68 82 90 90 93 90 67 56 52 65
WIND DIR            NE NE NE  E  E  E SE  S  S SW SW SW SW SW  W  W  W NW  W NW
WIND SPD             4  3  3  3  2  1  2  4  6  8  8  5  6  6  5  5  8  8  6  3
WIND GUST                                            16                        
CLOUDS              B1 B1 B1 B1 B1 SC B2 OV B1 B2 B2 SC SC SC SC FW FW FW SC FW
CLOUDS(%)           63 56 54 56 61 50 85 90 67 84 77 29 27 27 36 19 25 18 29 25
VSBY                10 10 10 10  9  7  6  6 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     30          40          40          10           5
RAIN SHWRS             IS IS IS SC IS IS SC SC SC                              
TSTMS                  IS IS IS IS IS IS IS IS IS                              
MIX HGT              3  4  4 <1 <1 <1 <1 <1  2  3  2 <1 <1 <1 <1 <1  4  6  6 <1
T WIND DIR          NE NE  E  E  E SE  S SE  S  S SW SW SW  W  W  W NW NW NW NW
T WIND SPD           5  2  3 10 12  9  8  9 11 13 12  8  3  5  8 11 13 12 11 10
DISPERSION                   VP VP VP VP             PR PR PR PR             VP
ADI                 19 12 16  5  6  4  4  7 29 46 32  4  2  3  4 11 63 83 76  5
MAX LVORI            3  3  3  5  7  9  9  8  4  1  3  5  7  6  6  5  1  1  1  3
STABILITY            C  B  B  F  F  F  F  C  C  C  C  F  F  F  F  A  B  B  B  G
CEILING              1000  None  2800  3900  1500  4000  None  None  None  None
STA PRES            29.42 29.39 29.40 29.36 29.33 29.22 29.17 29.16 29.17 29.13


Date          Tue 08/18/26Wed 08/19/26Thu 08/20/26Fri 08/21/26
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      90      68      91      71      92      67      85
TEMP          73 72 88 81 70 70 88 83 73 72 89 81 70 69 82 77
DEWPT         69 68 69 66 65 65 69 68 69 68 69 68 65 63 65 64
RH            87 87 54 60 84 84 54 61 87 87 52 65 84 81 56 64
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC FW FW SC SC FW SC SC SC B1 B1 B1 B1 B1
POP 12HR           10       5      10       5      10      40      40      20
RAIN SHWRS                                     SC SC    IS IS
TSTMS                                          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