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

VAZ012-170800-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
731 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                 60          86          63          83          60
TEMP             73 66 64 62 63 80 83 82 72 67 66 64 65 78 83 80 71 66 65 63 62
DEWPT            64 63 61 60 61 66 67 68 68 67 65 64 65 69 68 68 67 66 64 63 62
MIN/MAX RH                   95          54         100          61         100
RH               73 90 90 93 93 62 59 63 87100 97100100 74 61 67 87100 97100100
WIND DIR         SE  S  W  W NW NW NW NW NW  W  W  W NW NW NW  N  N  N  E SE SE
WIND SPD          3  3  2  3  3  6  5  5  4  4  1  2  2  2  2  2  1  1  1  1  2
CLOUDS           FW FW FW FW FW FW SC B2 SC SC SC SC SC B1 B2 B2 B1 B1 B1 B2 B1
CLOUDS(%)        22 12 14 13 10 16 38 75 39 46 28 46 28 67 76 76 61 58 66 75 69
VSBY             10 10  8  7  8 10 10 10 10  9  8  8  6  9 10 10 10            
POP 12HR                      5          30          10          60           5
RAIN SHWRS                         IS IS             IS IS NM NM               
TSTMS                              IS IS                   SC SC               
MIX HGT          <1 <1 <1 <1 <1  4  5  2 <1 <1 <1 <1 <1  3  4  3 <1            
T WIND DIR       SW  W  W  W  W NW NW NW NW  W  W  W NW NW  W NW NW            
T WIND SPD        1  2  2  2  3  6 10 11  8  5  6  5  5  5 10  9  8            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI               1  1  1  1  3 31 54 31  4  3  3  3  4 19 41 30  4            
MAX LVORI         4  7  6  7  6  1  1  1  5  8  8  9  9  3  1  3  6            
STABILITY         G  G  G  G  A  A  B  A  F  G  G  G  C  C  C  C  F            
CEILING              None  None  None  None  None  None   200   200   200      
STA PRES            4.593 27.54 27.54 27.48 27.45 27.42 27.42 27.36            


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       79      59      82      59      80      59      76      57      72
TEMP          76 70 63 62 80 72 63 62 79 70 63 61 75 68 62 60 71 66
DEWPT         67 65 62 62 68 67 63 62 68 67 63 61 68 66 62 60 66 63
RH            74 84 97100 67 84100100 69 90100100 79 93100100 84 90
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B1 B1 B1 B1 B2 SC SC B1 B2 B2 B1 B1 B2 B2 B2 B2 B1
POP 12HR           30      10      60      20      70      20      60      40      40
RAIN SHWRS       SC       SC NM IS    SC NM IS    SC NM SC IS SC SC
TSTMS                     IS SC          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