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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Wed Sep 16 2026

VAZ018-170800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
801 PM EDT Wed Sep 16 2026

Date           09/16/26      Thu 09/17/26            Fri 09/18/26            Sat
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                 65          89          68          86          65
TEMP                70 68 66 67 84 89 85 74 72 71 69 70 81 86 83 72 70 69 67 66
DEWPT               61 61 61 62 67 68 69 68 68 67 67 67 69 69 69 69 68 66 64 63
MIN/MAX RH                   85          50          92          56          92
RH                  73 78 84 84 57 50 59 82 87 87 93 90 67 57 63 90 93 90 90 90
WIND DIR            SW  W  W NW NW NW NW  W  W NW NW NW NW  N  N NE  E  E  E  E
WIND SPD             3  4  3  5  6  6  6  3  5  3  3  3  3  3  3  2  2  3  3  3
WIND GUST                                            13 13                     
CLOUDS              CL FW FW FW FW FW B1 B1 SC SC SC SC SC B2 B2 B1 B2 B2 B2 B2
CLOUDS(%)            2 13 13 13 23 22 65 54 34 34 48 31 28 71 71 66 81 81 78 72
VSBY                10 10  6  4 10 10  9  9  9  8  5  4  9 10 10 10            
POP 12HR                      0          40          10          60          30
RAIN SHWRS                         SC SC                   NM NM SC SC         
TSTMS                              SC SC                   IS IS               
MIX HGT             <1 <1 <1 <1  3  4  2 <1 <1 <1 <1 <1  4  5  3 <1            
T WIND DIR           W  W  W  W NW NW  W  W  W NW NW NW  N NW  W NW            
T WIND SPD           3  3  2  3  9 13 14 11  6  6  5  4  8  2  3  2            
DISPERSION          VP VP VP             VP PR VP VP             VP VP VP VP   
ADI                  2  2  1  4 35 37 32  5  3  3  3  5 28  9 11  1            
MAX LVORI            4  4  6  5  1  1  1  5  6  6  6  6  3  3  3  6            
STABILITY            G  G  G  B  B  D  D  F  G  G  G  B  C  C  C  F            
CEILING              None  None  None  None  None  None  None  2400   800      
STA PRES            4.679 28.07 28.05 27.98 27.95 27.93 27.93 27.86            


Date           09/19Sun 09/20/26Mon 09/21/26Tue 09/22/26Wed 09/23/26
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       78      63      85      64      81      63      76      62      73
TEMP          76 70 67 66 83 74 69 67 80 71 67 66 75 69 66 64 72 67
DEWPT         67 64 63 64 70 68 66 65 70 67 65 65 70 67 64 63 67 64
RH            74 81 87 93 65 82 90 93 72 87 93 97 84 93 93 97 84 90
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1
POP 12HR           10       5      50      20      70      40      70      60      40
RAIN SHWRS                IS SC IS IS SC NM SC IS IS NM NM SC SC SC
TSTMS                     IS SC          SC IS       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