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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Sat Sep 19 2026

VAZ018-200800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
801 PM EDT Sat Sep 19 2026

Date           09/19/26      Sun 09/20/26            Mon 09/21/26            Tue
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                 66          87          66          81          63
TEMP                68 68 67 67 78 86 81 71 69 68 67 66 76 80 75 68 65 65 64 63
DEWPT               65 65 65 65 68 67 67 69 66 66 65 65 70 71 70 67 64 63 62 62
MIN/MAX RH                   95          53          99          74          99
RH                  90 90 93 93 71 53 63 93 90 93 93 97 82 74 84 97 97 93 93 97
WIND DIR             S  S  S SW  S  W  W  W  W  W NW NW SE SE  E  E  E  E  E  E
WIND SPD             2  2  2  2  3  3  2  2  2  2  2  1  2  3  3  3  3  3  3  3
WIND GUST                                                           13 13      
CLOUDS              B1 OV B2 B1 SC B1 B1 B1 SC FW FW B1 B1 OV OV B2 OV OV B2 OV
CLOUDS(%)           57 89 73 62 38 63 55 59 27 20 17 67 67 95 95 80 89 90 82 88
VSBY                 8  6  3  1 10  9  9  8  7  6  3  5 10 10 10 10            
POP 12HR                     20          50          30          90          70
RAIN SHWRS          IS IS       IS SC SC             SC SC  O  O NM NM SC SC NM
TSTMS                           IS SC SC                IS SC SC IS            
Obvis                     PF PF                                                
MIX HGT             <1 <1 <1 <1  2  4  2 <1 <1 <1 <1 <1  2  3  1 <1            
T WIND DIR          SE  S  S  S  W  W SW SW SW  W NW  N SE  E  E  E            
T WIND SPD           8 10  6  6 12  9  6  2  2  2  2  1  5 10 10  9            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  4  5  3  5 38 36 19  1  1  1  1  1 15 33 16  4            
MAX LVORI            6  6  6  7  3  1  2  7  7  7  7  9  4  3  4  9            
STABILITY            F  F  F  C  B  C  C  F  G  G  G  C  C  C  C  F            
CEILING              1900  1100  None  2300  None  None   300   700     0      
STA PRES            27.85 27.81 27.80 27.73 27.75 27.77 27.82 27.81            


Date           09/22Wed 09/23/26Thu 09/24/26Fri 09/25/26Sat 09/26/26
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       71      58      61      55      62      54      70      52      71
TEMP          70 62 61 58 60 56 56 55 61 56 55 54 68 59 54 52 69 60
DEWPT         68 62 60 57 60 56 56 54 61 56 54 52 59 54 50 49 56 52
RH            93100 97 96100100100 96100100 96 93 73 83 86 89 63 75
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    OV B2 B2 OV OV B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC SC
POP 12HR           80      80      60      70      40      20      20      10       5
RAIN SHWRS    NM  O  O NM NM SC SC NM SC IS IS    IS IS            
TSTMS            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