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

VAZ024-050800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
501 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                 71          94          66          81          59
TEMP             81 76 73 72 73 87 93 89 78 71 69 67 66 73 77 79 74 67 64 61 60
DEWPT            69 69 68 68 69 71 71 70 70 70 69 67 66 68 67 66 64 63 62 61 60
MIN/MAX RH                   88          49         100          63         100
RH               67 79 84 87 87 59 49 54 76 97100100100 84 71 64 71 87 93100100
WIND DIR         NW  W  N  W NW  N NW NW  W  N  N  N NE  E  E  E  E  E  E NE NE
WIND SPD          2  1  0  1  1  3  5  5  2  1  0  1  2  3  3  3  2  2  1  1  1
CLOUDS           B1 FW FW SC B1 SC B1 B1 B1 B1 B2 B1 B2 B2 B2 B1 B1 B2 B1 B1 SC
CLOUDS(%)        62 12 12 35 55 31 59 53 60 61 77 61 71 83 70 69 65 84 67 56 44
VSBY              9  9  8  6  8  8 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     20          40          60          50          10
RAIN SHWRS                         SC SC SC SC IS SC SC SC SC SC               
TSTMS                              SC SC SC IS                                 
Obvis                     PF                                                   
MIX HGT          <1 <1 <1 <1 <1  3  5  4 <1 <1 <1 <1 <1  2  3  3 <1            
T WIND DIR        N  N NW NE NW NW  W  W  N  N  E NE NE NE NE NE  E            
T WIND SPD        3  2  2  1  2  6 10 10  2  4  9 11 12 10 10  9 13            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI               2  1  1  1  2 23 59 38  1  2  4  5 16 26 38 34  6            
MAX LVORI         3  4  5  6  6  2  1  1  4  8  9  9  5  4  3  1  3            
STABILITY         G  G  G  G  B  A  A  C  F  F  F  F  B  B  B  B  F            
CEILING              None  None  None  None  4400  1000  2300  4100  3300      
STA PRES            28.44 28.42 28.44 28.33 28.36 28.37 28.46 28.47            


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      58      86      60      91      66      93      64      89
TEMP          79 73 61 60 84 76 64 62 89 80 70 68 92 82 69 65 87 77
DEWPT         63 61 59 59 63 61 59 59 65 63 63 62 67 65 63 61 60 58
RH            58 66 93 96 49 60 84 90 45 56 78 81 44 56 81 87 40 52
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC FW SC FW SC FW SC FW FW FW FW FW SC SC SC FW SC
POP 12HR           10       0       5       0       5       5       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