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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Wed Sep 9 2026

VAZ046-100800-
RAWS 441101
37.39N  78.80W Elev. 804 ft
401 PM EDT Wed Sep 9 2026

Date           09/09/26      Thu 09/10/26            Fri 09/11/26            Sat
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                 68          93          68          85          68
TEMP          88 79 74 72 70 70 83 91 91 81 76 73 70 70 78 82 84 78 71 69 68 69
DEWPT         64 64 63 63 63 64 67 68 67 67 67 68 68 69 70 70 70 69 69 69 68 69
MIN/MAX RH                   82          44          97          60         100
RH            45 60 69 73 78 81 59 47 45 63 74 84 93 97 76 67 63 74 93100100100
WIND DIR      SW  S  S SW SW SW  W  W  W  W  W  W  N NE NE NE NE NE NE NE NE NE
WIND SPD       8  8  9  9  9  8  9 10 10  5  4  3  3  3  5  6  6  4  3  2  3  3
WIND GUST           19 21 20                                                   
CLOUDS        FW FW FW FW CL FW FW SC SC SC SC FW SC SC B1 B1 B1 B2 B2 B2 B2 B2
CLOUDS(%)     24 12  9 11  5  6 13 43 35 43 27 25 27 45 60 63 63 77 77 82 84 81
VSBY          10 10 10 10 10 10 10 10 10 10 10  7 10 10 10  6  6  6  6  6  6   
POP 12HR                      0           5          20          50          70
RAIN SHWRS                                     IS          SC SC NM NM SC SC SC
TSTMS                                          IS          IS IS IS            
MIX HGT        7 <1 <1 <1 <1 <1  3  6  7 <1 <1 <1 <1 <1  3  3  3 <1            
T WIND DIR    SW  S SW SW SW SW  W  W SW  W SW  W  W NW NE NE NE NE            
T WIND SPD    12  6  8  8  8 14 14 11 13  9  4  3  3  2  6  9 12  9            
DISPERSION       PR PR PR PR             PR VP VP VP             VP VP VP VP   
ADI           91  5  5  5  5 16 50 52 64  6  2  2  2  2 17 24 28  6            
MAX LVORI      1  3  3  3  4  4  1  1  1  3  3  5  7  8  3  3  2  4            
STABILITY      B  E  E  E  E  B  C  C  C  E  F  G  G  B  D  D  D  E            
CEILING              None  None  None  None  None  None  2500   800  1100      
STA PRES            29.38 29.35 29.32 29.22 29.26 29.28 29.32 29.31            


Date           09/12Sun 09/13/26Mon 09/14/26Tue 09/15/26Wed 09/16/26
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      68      88      67      89      66      89      68      92
TEMP          79 77 70 70 85 79 70 68 86 79 69 67 86 80 71 70 90 82
DEWPT         74 73 70 70 73 72 69 68 70 68 67 67 69 69 68 69 71 70
RH            85 87100100 67 79 97100 59 69 93100 57 69 90 97 54 67
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B2 B1 SC SC SC SC SC SC FW SC FW FW FW FW FW
POP 12HR           70      60      20      10       5       5      10      10      20
RAIN SHWRS    SC NM NM IS    IS                                  IS
TSTMS         IS SC SC       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