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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Thu Sep 10 2026

VAZ018-110800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
801 PM EDT Thu Sep 10 2026

Date           09/10/26      Fri 09/11/26            Sat 09/12/26            Sun
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                 67          85          66          79          66
TEMP                71 70 68 68 77 82 80 71 69 69 68 68 74 79 76 70 70 69 68 68
DEWPT               69 68 67 67 70 71 72 69 68 67 67 68 71 72 72 69 67 68 67 68
MIN/MAX RH                   97          66         100          78          99
RH                  93 93 97 97 79 69 77 93 97 93 97100 90 79 87 97 90 97 97100
WIND DIR             W  W NW NW  N SE SE  E  E SE  E  E SE SE  S SE  S SW  W  W
WIND SPD             3  3  3  2  2  2  2  1  1  2  1  2  2  3  3  1  1  1  2  3
CLOUDS              B1 B1 B1 B2 B1 B1 B2 B1 B2 B2 B2 B2 B2 OV OV B2 B2 B1 B1 SC
CLOUDS(%)           66 65 66 73 55 63 76 61 83 85 79 77 76 90 90 73 77 63 56 50
VSBY                 8  5  5  4 10  9  9  8 10 10 10 10 10  3  3  6  6 10 10 10
POP 12HR                     10          70          30          80          50
RAIN SHWRS                      IS SC NM SC       IS        O  O SC SC         
TSTMS                              SC SC SC                SC SC SC            
Obvis                  PF PFPF+                                                
MIX HGT             <1 <1 <1 <1  3  4  2 <1 <1 <1 <1 <1  2  2  2 <1            
T WIND DIR          NW SW  W  W  N  S  S SE SE SE  E SE SE  S  S SE            
T WIND SPD           1  3  5  6  6  4  5  9  6  4  3  3  4  4  6  5            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  1  2  3  5 20 16 16  4  3  2  2  3  9 13 16  3            
MAX LVORI            7  7  6  7  3  3  4  6  6  8  8  9  5  4  4  8            
STABILITY            F  F  G  C  C  C  C  F  F  F  F  C  C  C  C  F            
CEILING              2800  3100  1500  2800  1700   800     0  1200     0      
STA PRES            27.79 27.79 27.84 27.80 27.84 27.85 27.87 27.82            


Date           09/13Mon 09/14/26Tue 09/15/26Wed 09/16/26Thu 09/17/26
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       85      65      85      62      82      63      87      64      87
TEMP          83 73 67 66 82 72 65 63 79 70 65 64 85 74 67 66 83 74
DEWPT         71 67 65 64 66 63 61 60 66 63 61 62 68 67 65 65 70 67
RH            67 81 93 93 58 73 87 90 64 78 87 93 57 79 93 97 65 79
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC FW SC SC SC FW SC SC SC FW FW FW SC SC FW SC B1
POP 12HR           20       0      10       0      10       0      30      10      50
RAIN SHWRS       IS                                  SC       IS SC
TSTMS            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