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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Fri May 15 2026

VAZ012-160800-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
401 PM EDT Fri May 15 2026

Date           05/15/26      Sat 05/16/26            Sun 05/17/26            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                 48          82          55          87          58
TEMP          70 63 54 51 49 53 70 77 79 71 62 58 57 60 75 82 85 77 65 60 58 62
DEWPT         37 39 40 38 38 42 46 50 51 53 51 50 49 51 53 53 53 56 55 54 53 56
MIN/MAX RH                   69          35          78          33          85
RH            30 41 59 61 66 66 42 39 38 53 67 75 75 72 46 37 33 48 70 81 83 81
WIND DIR       W  W SW SW  W  W SW  W  W  W SW  W  W  W  W SW  S  S  S  S  N  N
WIND SPD       6  3  1  2  2  3  6  8  8  2  1  1  1  1  1  1  1  1  1  1  0  0
CLOUDS        FW SC FW FW SC SC FW B1 SC SC SC SC SC SC FW FW FW FW FW FW FW FW
CLOUDS(%)     18 35 10 15 28 26 18 62 42 40 46 41 37 36 19 15 15 14  7  7 10  6
VSBY          10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10   
POP 12HR                      0           5           5           5           5
MIX HGT        4 <1 <1 <1 <1 <1  2  4  4 <1 <1 <1 <1 <1  4  6  7 <1            
T WIND DIR     W  W SW SW SW SW  W SW  W SW SW SW  W  W  W SW  S  S            
T WIND SPD     8  2  3  4  4  4 12 16 16  8  4  3  4  4  6  5  6  8            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           40  1  2  2  2  4 39 82 76  4  2  2  2  4 35 45 57  4            
MAX LVORI      1  2  3  3  3  3  1  1  1  2  3  3  4  3  1  1  1  2            
STABILITY      B  G  G  G  G  A  B  B  B  G  F  F  G  A  A  A  A  G            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            27.31 27.32 27.35 27.32 27.33 27.36 27.42 27.39            


Date           05/18Tue 05/19/26Wed 05/20/26Thu 05/21/26Fri 05/22/26
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       88      58      84      60      80      56      74      53      74
TEMP          83 80 64 63 83 79 64 64 78 74 62 59 72 68 58 56 72 69
DEWPT         53 54 53 55 52 54 54 56 58 59 56 55 55 54 51 51 53 54
RH            36 41 67 75 34 42 70 75 50 59 81 87 55 61 77 83 51 59
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    CL FW FW FW FW SC SC SC B1 B2 B1 B1 B2 B2 B1 B1 B1 B2
POP 12HR           10       0      20      10      70      50      70      30      60
RAIN SHWRS                   IS       SC NM SC SC NM NM SC SC SC NM
TSTMS                        IS       IS SC IS       SC          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