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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Mon Jul 13 2026

NCZ005-132000-
RAWS 310540
36.38N  79.70W Elev. 858 ft
801 AM EDT Mon Jul 13 2026

Date             Mon 07/13/26            Tue 07/14/26            Wed 07/15/26
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                 75          62          85          63          93
TEMP                70 72 73 73 69 67 64 66 75 82 84 80 69 65 63 68 83 91 93 87
DEWPT               70 71 70 69 68 67 64 66 68 65 64 66 64 64 63 65 68 66 64 67
MAX/MIN RH                   85         100          51          98          39
RH                 100 97 90 87 97100100100 79 56 51 62 84 97100 90 61 44 38 52
WIND DIR             E NE  E NE NE NE NE NE NE NE NE  E  S  W  W  W  W SW SW SW
WIND SPD             6  8  6  3  3  2  3  4  5  5  4  1  1  1  2  2  3  2  2  2
CLOUDS              OV OV OV OV B2 B1 B1 SC B1 B1 SC SC FW CL CL CL CL CL CL CL
CLOUDS(%)          100 95 95 97 81 66 62 43 57 63 49 26  9  2  3  3  1  4  3  2
VSBY                 4  5  5  6  8  6  7  9 10  7  7  7  7  7  7  7 10 10 10 10
POP 12HR                     70          20           0           0           0
RAIN SHWRS          NM NM SC IS                                                
Obvis               PF             PF                                          
MIX HGT              2  2  2 <1 <1 <1 <1 <1  3  4  5 <1 <1 <1 <1 <1  3  6  5 <1
T WIND DIR           E  E NE NE NE NE  N NE  E NE NE NE  N NW NW NW NW NW  W SW
T WIND SPD          17 13 14  6  5  3  3 11 10  5  6  2  2  2  2  1  5  2  2  2
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 29 34 35  3  3  2  2 12 35 30 39  1  1  1  1  1 20 16 15  1
MAX LVORI            4  4  4  6  9 10 10  5  3  2  1  3  5  7 10  7  2  2  2  2
STABILITY            D  C  C  F  F  F  F  A  C  A  A  G  G  G  G  A  A  A  A  G
CEILING               500   500  5700  None  None  None  None  None  None  None
STA PRES            29.40 29.40 29.42 29.41 29.43 29.36 29.35 29.31 29.29 29.21


Date          Thu 07/16/26Fri 07/17/26Sat 07/18/26Sun 07/19/26
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      97      72      97      72      96      72      93
TEMP          72 74 95 91 77 76 95 91 76 75 94 89 76 75 91 87
DEWPT         67 69 68 68 68 69 66 67 67 69 68 69 70 71 69 69
RH            84 84 42 47 74 79 39 45 74 82 43 52 82 87 49 55
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    CL CL FW FW FW FW CL FW FW FW FW SC B1 SC FW B1
POP 12HR            0       0       0       5      10      20      30      30
RAIN SHWRS                                     IS SC       SC
TSTMS                                          IS 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