EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 PM EDT Mon Jul 20 2026

NCZ003-210800-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
301 PM EDT Mon Jul 20 2026

Date           07/20/26      Tue 07/21/26            Wed 07/22/26            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                 68          85          69          84          62
TEMP          82 78 73 71 70 72 81 83 83 80 75 73 71 71 77 80 82 77 71 66 63 65
DEWPT         72 72 70 69 68 71 75 73 73 73 71 70 69 71 74 74 72 72 68 64 62 63
MIN/MAX RH                   97          71         100          73          95
RH            72 82 90 93 93 97 82 72 72 79 87 90 93100 90 82 72 85 90 93 97 93
WIND DIR      SE  S  S SW  S  S SW  W SW  W SW SW SW SW SW SW  W NW  N  N  N  N
WIND SPD       2  2  1  1  2  1  5  8  6  4  2  2  2  2  4  5  4  1  3  3  3  3
CLOUDS        B2 OV B1 B1 B2 SC SC B2 B2 B1 B2 B2 B1 OV OV B2 B2 B1 B1 B1 B1 B1
CLOUDS(%)     81 93 65 67 75 37 39 82 73 56 80 77 64 88 88 82 82 55 55 52 61 61
VSBY          10 10 10 10  8  9 10 10 10 10 10 10 10 10 10  8  9 10 10 10 10   
POP 12HR                     30          80          80          80          30
RAIN SHWRS    NM SC SC          IS NM NM SC IS    SC  O  O NM NM SC SC IS IS   
TSTMS         NM SC             IS NM NM SC IS    SC IS SC SC SC IS            
MIX HGT        3 <1 <1 <1 <1 <1  3  3  2 <1 <1 <1 <1 <1  2  3  3 <1            
T WIND DIR    SW  S SW SW SW SW  W SW  S NW  E SW SW SW SW SW  W NW            
T WIND SPD     8  9  2  2  3  4 10 20  8  3  2  8  6 12 13 13 13  8            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           30  4  1  1  2  4 36 61 21  2  1  4  3 13 29 47 40  4            
MAX LVORI      3  4  7  7  7  7  3  3  3  5  6  6  6  5  4  3  3  5            
STABILITY      B  F  F  F  F  A  A  C  C  E  F  F  F  B  C  C  C  F            
CEILING              3300  3600  None  2800  3600  1800  1200  2900  None      
STA PRES            28.05 28.03 28.07 28.03 28.01 28.00 28.03 28.02            


Date           07/23Fri 07/24/26Sat 07/25/26Sun 07/26/26Mon 07/27/26
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       78      60      76      62      75      63      84      65      88
TEMP          75 74 63 63 73 72 66 65 73 72 66 68 81 78 68 70 85 81
DEWPT         66 66 61 61 65 67 63 64 69 70 66 67 71 72 67 68 71 72
RH            74 76 93 93 76 84 90 97 87 93100 97 72 82 97 93 63 74
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 SC B1 B1 B1 B2 B2 B2 B2 B1 SC SC B1 FW FW SC SC
POP 12HR           30      20      20      40      60      40      30      10      10
RAIN SHWRS       SC IS IS IS IS SC SC SC NM SC IS    SC            
TSTMS            SC IS       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