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

VAZ012-162000-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
831 AM EDT Wed Sep 16 2026

Date             Wed 09/16/26            Thu 09/17/26            Fri 09/18/26
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                 89          59          88          63          85
TEMP                79 85 85 73 67 64 62 63 80 84 83 72 67 66 64 65 78 83 80 71
DEWPT               66 65 64 65 63 61 59 60 67 67 67 67 66 64 63 64 69 69 69 67
MAX/MIN RH                   46          93          53         100          62
RH                  64 51 50 76 87 90 90 90 65 57 59 84 97 93 97 97 74 63 69 87
WIND DIR             N  N  N SE  N  N  W NW NW NW NW  W  W  W  W  W NW NW NW  N
WIND SPD             1  2  1  1  0  0  1  1  1  2  2  1  1  1  2  2  2  2  2  1
CLOUDS              FW SC FW SC FW FW FW FW FW B1 B1 SC SC SC SC B1 B1 B2 B2 SC
CLOUDS(%)           24 27 25 38  7 25 20 13 25 59 64 50 38 28 30 51 53 73 73 49
VSBY                10 10 10 10 10  7  3  4 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      5           5          30          10          60
RAIN SHWRS                                        SC             SC SC NM NM   
TSTMS                                             SC                   SC SC   
MIX HGT              3  6  5 <1 <1 <1 <1 <1  4  5  3 <1 <1 <1 <1 <1  3  4  3 <1
T WIND DIR          NW NE NE SE  S SW  W  W  W NW NW SW  N  W  W NW NW  N  N  N
T WIND SPD           9  9  5  4  2  2  2  2  5  8 10  5  3  5  5 10 11 12 12  5
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 36 61 35  2  1  1  1  2 27 34 32  3  2  3  3  8 38 48 41  3
MAX LVORI            3  1  1  4  6  7  7  6  3  1  1  5  7  8  9  6  3  1  1  6
STABILITY            A  B  A  G  G  G  G  A  A  C  C  F  G  G  G  C  C  C  C  F
CEILING              None  None  None  None  None  None  None  None   300  2300
STA PRES            27.60 27.55 27.55 27.52 27.51 27.43 27.42 27.39 27.41 27.39


Date          Sat 09/19/26Sun 09/20/26Mon 09/21/26Tue 09/22/26
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       61      81      59      84      60      83      59      79
TEMP          65 62 77 71 63 62 80 72 64 62 79 70 63 61 75 68
DEWPT         64 61 67 65 62 62 67 67 63 62 67 66 63 61 67 65
RH            97 97 71 81 97100 65 84 97100 67 87100100 76 90
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B1 B1 B1 B1 B1 B2 B1 SC B1 B2 B1 B1 B2 B2
POP 12HR           10      40      20      60      20      60      40      60
RAIN SHWRS             SC IS    SC NM IS    SC NM SC    SC NM
TSTMS                     IS       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