EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
501 AM EDT Mon Aug 3 2026

VAZ046-032000-
RAWS 441101
37.39N  78.80W Elev. 804 ft
501 AM EDT Mon Aug 3 2026

Date             Mon 08/03/26            Tue 08/04/26            Wed 08/05/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 87          67          82          68          85
TEMP             72 79 85 85 77 72 71 69 69 76 80 80 75 71 70 68 70 79 84 82 77
DEWPT            72 75 74 73 74 72 71 68 68 70 72 72 72 71 70 68 70 74 75 75 75
MAX/MIN RH                   66         100          74         100          74
RH              100 88 70 67 90100100 97 97 82 77 77 90100100100100 85 74 79 94
WIND DIR         SW SW SW SW  E NE NE NE NE NE NE NE  E NE  E SE SE  S  S  S  S
WIND SPD          5  5  5  4  3  2  3  6  8  8  6  5  3  2  1  2  2  3  5  6  3
CLOUDS           B1 B1 B1 B2 B1 B2 B2 B2 OV B2 B1 B2 B2 B2 B2 B2 B2 B1 B2 B2 SC
CLOUDS(%)        69 53 55 72 67 85 75 82 88 83 68 72 78 77 78 79 74 64 72 72 47
VSBY              6 10 10 10 10  8  9 10 10 10 10  6  6  6  6  6  7            
POP 12HR                     50          50          60          70          60
RAIN SHWRS                SC SC IS          IS IS SC NM NM NM NM SC SC NM NM IS
TSTMS                     SC SC IS             IS SC IS IS             SC SC IS
MIX HGT           1  3  4  5 <1 <1 <1 <1  1  2  3  2 <1 <1 <1 <1 <1  2  4  3 <1
T WIND DIR       SW  W  W  W  E  E  N NE NE NE NE  E  E  E  E NE  N NE NE  E  E
T WIND SPD       13  8  9  5  2  4  5 12 12 11  6  5  3  3  4  3  4 10  5  5  4
DISPERSION                   VP VP VP PR             VP VP VP VP             VP
ADI              22 24 36 23  1  2  3  8 16 31 23 16  2  2  2  2  5 32 21 17  2
MAX LVORI         5  4  3  3  7  9  9  8  5  4  3  3  7 10  9 10  9  4  3  3  6
STABILITY         C  C  C  C  F  F  F  E  C  C  C  C  F  F  F  F  B  B  C  C  F
CEILING              None  3800  3700  5000  4300  4800  5700 15800   500  1200
STA PRES            29.12 29.12 29.22 29.30 29.36 29.34 29.38 29.39 29.43 29.41


Date          Thu 08/06/26Fri 08/07/26Sat 08/08/26Sun 08/09/26
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       69      87      70      88      69      88      69      88
TEMP          72 72 86 81 73 71 85 81 72 72 85 80 72 71 85 80
DEWPT         72 72 76 75 73 71 76 75 72 72 75 75 72 71 75 75
RH           100100 72 82100100 75 82100100 72 85100100 72 85
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 SC B1 SC SC B1 B1 SC SC SC B1 B1 SC SC B1
POP 12HR           20      40      10      30      20      40      30      30
RAIN SHWRS    IS       SC          SC IS       SC SC       SC
TSTMS         IS       SC          SC IS       SC IS       SC

$$


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