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

VAZ046-110800-
RAWS 441101
37.39N  78.80W Elev. 804 ft
801 PM EDT Mon Aug 10 2026

Date           08/10/26      Tue 08/11/26            Wed 08/12/26            Thu
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                 70          93          70          90          70
TEMP                71 73 75 76 85 90 91 84 78 75 73 74 84 90 88 80 75 72 71 73
DEWPT               68 67 67 68 70 70 70 71 71 70 69 71 72 72 72 72 71 70 69 70
MIN/MAX RH                   89          50          97          56          96
RH                  90 81 76 76 61 52 50 65 79 84 87 90 67 56 59 77 87 93 93 90
WIND DIR             W SW  W SW NW  W  W  W  W  W  W  W  W  W  W SW SW  W  W SW
WIND SPD             6  3  3  2  5  6  6  5  5  5  4  4  5  6  6  3  3  3  3  3
CLOUDS              B1 SC SC B1 SC SC B1 SC B1 B1 B2 B2 SC SC SC B1 B1 SC B1 B1
CLOUDS(%)           54 49 43 56 38 47 61 28 52 59 80 73 49 38 46 51 51 46 55 52
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                     20          30          40          20          30
RAIN SHWRS                         IS IS    IS             IS IS SC SC         
TSTMS                              IS IS                   IS IS IS            
MIX HGT             <1 <1 <1 <1  3  5  4 <1 <1 <1 <1 <1  4  5  6 <1            
T WIND DIR          NW  W  S SW  W  W NW  W SW SW  W NW NW  W  W  W            
T WIND SPD          21  5  2  3 11  4  8  9  3  4  5  9  6 13 13 11            
DISPERSION          PR VP VP             PR PR PR VP             VP VP VP VP   
ADI                 15  4  1  3 49 29 30  4  2  3  4 10 33 84 92  5            
MAX LVORI            3  4  4  4  1  2  2  3  4  5  6  5  3  1  1  4            
STABILITY            E  E  F  C  A  B  C  F  E  E  E  B  A  B  B  F            
CEILING             12300  None  None  None  None 19500  None  None  None      
STA PRES            29.30 29.26 29.29 29.22 29.20 29.19 29.20 29.16            


Date           08/13Fri 08/14/26Sat 08/15/26Sun 08/16/26Mon 08/17/26
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       92      72      88      69      86      69      91      72      91
TEMP          91 87 76 73 87 80 72 69 84 79 72 70 88 83 75 73 89 82
DEWPT         72 72 71 71 73 72 69 66 69 69 68 69 72 72 71 71 73 71
RH            54 61 85 93 63 77 90 90 61 72 87 97 59 70 87 93 59 69
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC B1
POP 12HR           10      10      30      20      20      20      20      20      30
RAIN SHWRS                IS SC IS IS    IS IS       IS IS    IS SC
TSTMS                        SC IS       IS IS       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