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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 PM EDT Tue Sep 15 2026

VAZ018-160800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
631 PM EDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            Fri
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                 58          87          65          87          68
TEMP             71 64 62 59 62 77 84 84 73 70 68 65 66 83 87 85 75 72 70 69 70
DEWPT            61 58 58 57 57 64 63 62 61 61 60 60 61 67 67 68 68 67 66 66 67
MIN/MAX RH                   93          47          85          52          91
RH               71 81 87 93 84 64 49 48 66 73 76 84 84 59 52 57 79 84 87 90 90
WIND DIR         SE  S  W  N NW  N  E SE SE SW  W  W NW NW NW NW NW  W  W  W NW
WIND SPD          2  1  1  0  1  1  3  3  1  1  1  1  2  1  3  3  2  2  2  3  3
CLOUDS           FW FW FW FW FW FW FW SC FW CL FW FW FW FW B1 B1 SC SC SC FW SC
CLOUDS(%)        19 13 21 18 24 13 19 27 19  3  8 11 23 18 57 57 34 28 29 25 43
VSBY             10 10 10  7  2  9 10 10 10 10 10  6  2 10 10 10 10            
POP 12HR                      0           5           5          40           5
RAIN SHWRS                                                 SC SC             IS
TSTMS                                                      SC SC               
Obvis                        PF                      PF                        
MIX HGT          <1 <1 <1 <1 <1  2  4  3 <1 <1 <1 <1 <1  3  5  4 <1            
T WIND DIR       SE SE  W  W  W NW NE  E SE  S  W  W  W  W  W  W  W            
T WIND SPD        4  3  1  2  2  2  6  3  4  2  3  3  3  3 11 10  6            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI               2  2  1  1  2  5 36 15  2  1  2  2  4 11 47 51  3            
MAX LVORI         3  4  6  6  5  3  1  2  3  3  3  4  5  2  1  1  5            
STABILITY         G  G  G  G  A  A  B  B  G  G  G  G  B  A  C  B  G            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            28.10 28.10 28.13 28.08 28.09 28.06 28.06 27.97            


Date           09/18Sat 09/19/26Sun 09/20/26Mon 09/21/26Tue 09/22/26
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       87      66      79      64      86      66      83      65      77
TEMP          86 76 70 66 77 71 67 66 83 74 69 68 81 72 68 66 76 69
DEWPT         70 68 65 62 67 64 62 63 69 68 65 65 69 67 64 64 68 65
RH            59 76 84 87 71 79 84 90 63 82 87 90 67 84 87 93 76 87
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B2 B1 B2 B2 B1 SC SC B1 B1 B1 SC B1 B2 B1 B2 B2 B2
POP 12HR           60      40      20      10      40      10      60      40      60
RAIN SHWRS    IS NM SC IS    IS          SC       IS NM SC SC SC NM
TSTMS            SC                      IS          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