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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 PM EDT Sat May 16 2026

VAZ012-170800-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
731 PM EDT Sat May 16 2026

Date           05/16/26      Sun 05/17/26            Mon 05/18/26            Tue
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                 56          87          58          89          59
TEMP             71 62 59 57 61 76 82 84 76 66 62 59 63 79 84 87 80 68 63 60 63
DEWPT            55 53 52 51 53 54 53 53 56 55 54 53 57 57 54 53 53 53 53 52 55
MIN/MAX RH                   81          32          85          31          79
RH               57 72 78 80 75 46 37 34 50 68 75 80 81 47 36 31 39 59 70 75 75
WIND DIR          W  W NW NW  W  W SW SW  S  S  S SW  N  S  S  S  S  S  S  S  N
WIND SPD          2  1  1  1  1  2  2  2  1  1  1  1  0  2  4  4  3  2  1  1  0
CLOUDS           B1 B1 SC SC FW FW FW FW FW CL FW SC SC CL FW FW FW SC SC SC FW
CLOUDS(%)        64 58 39 34 23  8 22  7 11  5  7 34 33  4 11 15 18 28 27 39 17
VSBY             10 10 10  8 10 10 10 10 10 10 10  9 10 10 10 10 10 10 10 10 10
POP 12HR                      5           5           0           5           5
MIX HGT          <1 <1 <1 <1 <1  4  6  6 <1 <1 <1 <1 <1  4  8  8 <1            
T WIND DIR       SW SW SW  W  W  W SW  S  S  S  S SW SW  W  S  S  S            
T WIND SPD        6  3  3  3  2  8  8  8  5  6  3  3  2  4  6 10 10            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI               3  2  2  2  2 37 59 62  3  3  2  2  2 26 63 92  5            
MAX LVORI         3  3  4  4  4  1  1  1  2  3  4  5  5  2  1  1  2            
STABILITY         F  F  G  G  A  A  A  A  G  G  G  G  A  A  A  A  G            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            27.32 27.36 27.41 27.38 27.42 27.46 27.51 27.46            


Date           05/19Wed 05/20/26Thu 05/21/26Fri 05/22/26Sat 05/23/26
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       90      61      82      58      73      53      68      52      70
TEMP          85 79 64 64 80 75 63 61 71 67 57 55 66 64 57 55 68 66
DEWPT         51 53 52 55 58 60 59 59 60 57 53 52 55 54 53 53 57 56
RH            31 41 65 73 47 60 87 93 68 70 86 90 68 70 86 93 68 70
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC SC SC B1 B2 B1 B1 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2
POP 12HR            5       5      70      50      80      60      80      60      60
RAIN SHWRS                SC NM SC IS NM  O NM SC NM  O NM SC NM NM
TSTMS                     IS SC 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