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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
931 PM EDT Sun Sep 27 2026

VAZ024-280800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
931 PM EDT Sun Sep 27 2026

Date           09/27/26      Mon 09/28/26            Tue 09/29/26            Wed
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                 57          77          58          82          57
TEMP                62 60 60 59 68 76 76 68 63 61 58 58 72 80 81 72 63 61 59 59
DEWPT               52 52 51 52 54 57 57 57 56 56 55 55 59 59 59 60 59 58 57 57
MIN/MAX RH                   77          50          90          46          98
RH                  70 75 72 78 61 52 52 68 78 84 90 90 64 49 47 66 87 90 93 93
WIND DIR             W  W  W  W NW NW NW NW  N  N  N  N  N SW  S SE  N  N  N  N
WIND SPD             3  2  2  2  3  3  3  2  1  0  0  0  0  2  1  1  0  0  0  0
CLOUDS              B2 OV B2 B2 B2 B2 B2 B2 B1 SC FW SC SC SC SC SC SC FW FW FW
CLOUDS(%)           75 95 87 85 84 87 82 81 55 34 20 26 36 45 37 31 33 24  8 10
VSBY                10 10 10 10 10  9  8  6  7  6  5  7  7  7  7  7  7  7  7  7
POP 12HR                      0           5           5           0           0
MIX HGT             <1 <1 <1 <1  2  4  3 <1 <1 <1 <1 <1  3  5  5 <1            
T WIND DIR          NW  W NW NW NW NW NW NW  N NW NW NW  E NW NW NW            
T WIND SPD           8  4  3  4  5  4  5  4  6  4  3  2  1  3  3  2            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  4  2  2  4 16 18 19  2  3  2  2  2  5 19 20  1            
MAX LVORI            3  3  3  4  2  2  2  3  4  5  6  6  3  2  2  3            
STABILITY            F  F  F  C  C  C  C  F  F  G  G  A  A  B  A  G            
CEILING                    4200  4000  3500  None  None  None  None  None      
STA PRES                  28.37 28.43 28.42 28.50 28.53 28.59 28.57            


Date           09/30Thu 10/01/26Fri 10/02/26Sat 10/03/26Sun 10/04/26
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      57      90      60      89      58      75      54      71
TEMP          84 73 62 58 88 77 65 61 86 76 65 59 73 66 57 55 68 64
DEWPT         57 61 60 58 59 60 60 59 63 64 63 58 59 58 56 55 59 60
RH            40 66 93100 38 56 84 93 46 66 93 96 62 75 96100 73 87
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW SC FW FW SC FW FW SC B1 B2 B1 B1 B2 B2 B1 B1 B1
POP 12HR            0       0       0       0      10      30      40      40      50
RAIN SHWRS                                  IS SC SC SC SC SC SC SC

$$


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