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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Fri Sep 4 2026

VAZ046-050800-
RAWS 441101
37.39N  78.80W Elev. 804 ft
801 PM EDT Fri Sep 4 2026

Date           09/04/26      Sat 09/05/26            Sun 09/06/26            Mon
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                 72          94          66          81          61
TEMP                77 75 73 74 87 93 89 79 72 70 68 67 73 77 80 75 68 64 61 63
DEWPT               70 69 69 70 71 71 71 71 70 69 68 67 67 66 65 65 64 63 61 62
MIN/MAX RH                   88          49         100          61         100
RH                  79 82 87 87 59 49 56 77 93 97100100 81 69 60 71 87 97100 97
WIND DIR            SW  W  W NW  N NW  N NE  N NE NE NE NE NE NE NE NE NE NE NE
WIND SPD             2  3  3  4  5  6  6  4  4  3  5  6  8  8  8  5  4  3  4  5
CLOUDS              SC FW SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 SC B1 SC SC SC
CLOUDS(%)           42 12 41 38 52 58 67 66 73 79 77 72 77 65 63 47 57 46 45 33
VSBY                10  8  8  9 10 10 10 10 10  7  7 10 10 10 10 10 10 10 10 10
POP 12HR                     20          40          70          30           5
RAIN SHWRS                         SC SC SC NM SC    SC SC SC SC               
TSTMS                              SC SC SC SC                                 
MIX HGT             <1 <1 <1 <1  3  5  3 <1 <1 <1 <1  1  2  3  4 <1            
T WIND DIR          NE  E SE  N NW  W NW NE NE NE NE NE NE NE NE NE            
T WIND SPD           3  2  2  3  8 10  6  4  4  4 11 19 13 16 13 16            
DISPERSION          VP VP VP             VP VP VP PR             PR VP VP VP   
ADI                  2  1  1  3 26 57 25  3  3  2  8 33 34 54 51 11            
MAX LVORI            4  5  6  6  2  1  2  4  8  9  8  4  3  3  1  3            
STABILITY            G  G  F  A  C  B  B  E  E  F  E  C  C  C  C  E            
CEILING              None  None  None 12200  3600   800  2100  3000  None      
STA PRES            29.20 29.19 29.21 29.10 29.14 29.14 29.23 29.24            


Date           09/07Tue 09/08/26Wed 09/09/26Thu 09/10/26Fri 09/11/26
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       83      59      86      62      91      69      95      66      88
TEMP          80 74 63 62 83 77 66 63 88 82 73 71 93 84 72 67 86 79
DEWPT         61 60 60 60 61 60 58 59 64 62 60 62 66 64 63 61 61 59
RH            52 62 90 93 47 56 75 87 45 51 64 73 41 51 73 81 43 50
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC FW FW FW SC FW FW FW FW FW FW FW FW FW SC FW FW
POP 12HR            5       0       0       0       0       0       5      10      10

$$


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