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

NCZ005-032000-
RAWS 310540
36.38N  79.70W Elev. 858 ft
801 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                 86          68          81          68          84
TEMP                78 84 84 78 72 71 70 70 75 78 79 75 71 70 69 71 78 83 81 77
DEWPT               74 73 73 73 72 70 70 70 72 73 73 72 71 70 69 71 73 74 74 74
MAX/MIN RH                   67         100          81         100          75
RH                  88 70 70 85100 97100100 90 85 82 90100100100100 85 74 79 90
WIND DIR            SW SW SW  W  N NE NE NE NE NE NE NE  E SE SE SE  S  S  S  S
WIND SPD             4  5  4  1  1  1  2  4  6  5  4  2  1  1  1  2  3  5  5  2
CLOUDS              B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B1 B1 B2 B2 B1
CLOUDS(%)           64 51 57 60 61 73 77 81 85 83 78 83 73 66 80 67 65 80 80 55
VSBY                10 10 10 10 10  9  7  9 10 10  7  8  6  6  6  6            
POP 12HR                     30          30          70          60          70
RAIN SHWRS                IS SC IS IS IS    IS NM NM NM NM SC SC SC SC NM NM SC
TSTMS                     IS SC IS          IS SC SC SC IS          IS SC SC SC
MIX HGT              3  4  4 <1 <1 <1 <1 <1  2  2  2 <1 <1 <1 <1 <1  2  3  3 <1
T WIND DIR           W SW SW SW  N NE NE NE NE  E  E  N  N  E  E  E SE SE  S  S
T WIND SPD           8  9  8  8  2  4 11 13 10 10  8  2  2  1  1  1  3  4  8  9
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 26 36 31  4  1  2  5 16 26 26 20  1  1  1  1  1 10 16 23  4
MAX LVORI            4  3  3  6 10  9  9  5  4  4  4  7 10 10 10 10  5  4  3  6
STABILITY            B  C  C  F  F  F  F  C  C  C  C  F  F  F  F  B  B  C  C  F
CEILING              4600  3800  4200  2300  2700  2700  2700  1900  1200  2500
STA PRES            29.10 29.09 29.17 29.24 29.31 29.31 29.33 29.34 29.38 29.35


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      85      69      86      69      86      69      86
TEMP          71 72 85 80 72 72 84 79 72 72 84 79 72 71 84 80
DEWPT         71 72 75 74 72 72 74 74 71 72 74 73 71 71 73 73
RH           100100 72 82100100 72 85 97100 72 82 97100 70 79
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 SC B1 SC SC B1 B1 SC SC SC B1 B1 SC B1 B1
POP 12HR           30      40      20      40      20      40      20      40
RAIN SHWRS    SC       SC IS       SC IS       SC IS       SC
TSTMS         SC       SC IS       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