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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Sun Sep 20 2026

VAZ012-210800-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
801 PM EDT Sun Sep 20 2026

Date           09/20/26      Mon 09/21/26            Tue 09/22/26            Wed
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                 61          82          60          75          54
TEMP                65 64 62 63 77 82 78 69 64 63 62 62 70 75 71 65 62 60 58 55
DEWPT               64 63 62 63 67 67 67 66 64 63 62 62 66 67 66 64 62 60 58 55
MIN/MAX RH                  100          59         100          76         100
RH                  97 97100100 71 61 69 90100100100100 87 76 84 97100100100100
WIND DIR            SW  W  W  W  W SW SW  E SE SE  S  S SW  W NE  E  E  E  E  E
WIND SPD             1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  3  3  3  3
CLOUDS              B2 SC SC SC B1 B2 B2 B1 B2 B2 B2 B2 OV OV OV OV OV B2 B2 B2
CLOUDS(%)           71 33 30 47 61 82 82 65 80 74 84 79 91100100 98 98 84 80 80
VSBY                 7  7  5  2  7  6  6  7  5  3  5  2  8  3  3  6  6  6  6  3
POP 12HR                      5          70          70          90          80
RAIN SHWRS                   IS IS NM NM SC NM NM SC SC SC  O  O  O  O NM NM NM
TSTMS                           IS SC SC IS SC             SC SC               
Obvis                     PF PF                                                
MIX HGT             <1 <1 <1 <1  2  4  2 <1 <1 <1 <1 <1  2  3  2 <1            
T WIND DIR           S SW  W  W  W SW SW SE  E SE SE SE SE  E  E  E            
T WIND SPD           4  4  5  3  8  5  5  6  8  5  4  2  3  1  5  9            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  2  2  3  3 20 22 12  3  4  3  2  2  7  3 10  4            
MAX LVORI            8  8  9  9  3  2  3  6  9  9  9 10  5  4  4  7            
STABILITY            F  G  G  A  C  C  C  F  F  F  F  C  C  D  D  F            
CEILING              None  None   600  2100  1000   100   100   100   200      
STA PRES            27.23 27.24 27.26 27.21 27.28 27.28 27.31 27.31            


Date           09/23Thu 09/24/26Fri 09/25/26Sat 09/26/26Sun 09/27/26
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       64      49      62      47      66      44      70      44      73
TEMP          64 59 54 52 59 56 50 49 63 57 48 46 66 57 47 45 68 59
DEWPT         61 58 54 52 59 56 50 48 55 52 46 45 50 50 45 44 51 53
RH            90 96100100100100100 96 75 83 93 96 56 77 93 96 54 80
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC SC FW FW SC SC
POP 12HR           70      70      30      10      10       5       5       0       5
RAIN SHWRS    NM NM NM 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