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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Wed Jul 22 2026

NCZ019-230800-
RAWS 312001
36.23N  81.32W Elev. 2380 ft
801 PM EDT Wed Jul 22 2026

Date           07/22/26      Thu 07/23/26            Fri 07/24/26            Sat
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                 67          72          62          70          64
TEMP                70 69 68 68 70 72 71 66 66 65 65 63 64 68 70 68 67 67 67 65
DEWPT               69 68 67 67 67 66 66 65 64 63 62 61 64 66 67 66 65 65 65 64
MIN/MAX RH                   98          81         100          89         100
RH                  97 97 97 97 90 81 84 97 93 93 90 93100 93 90 93 93 93 93 97
WIND DIR             N  N  N NE  E  E  E  E  E NE NE NE  E  E  E  E  N  N  N  N
WIND SPD             0  0  1  2  3  4  3  3  2  1  1  2  2  3  2  1  0  0  0  0
CLOUDS              OV B2 B2 B2 B2 B2 B2 B2 B2 OV B2 B2 B2 B2 OV B2 B2 B2 B2 B2
CLOUDS(%)           88 74 86 78 70 71 76 75 78 93 83 77 85 86 88 79 84 84 83 80
VSBY                 5  5  2  2  8  9  9 10 10 10 10 10 10 10 10 10 10 10 10   
POP 12HR                     60          70          60          50          60
RAIN SHWRS          NM SC SC NM SC SC NM NM SC SC    SC SC SC SC SC SC NM NM NM
TSTMS               IS SC    IS IS SC SC IS                SC IS               
Obvis               PF PF  F PF                                                
MIX HGT             <1 <1 <1 <1  2  2  2 <1 <1 <1 <1  1  2  2  2 <1            
T WIND DIR           W NW NW  N NE  E  E  E NE NE NE  E NE NE  N  N            
T WIND SPD           2  2  2  3  8  9  9  8  8  4  6  8  6  5  5  5            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  1  1  1  4 16 24 23  4  4  2  3 13 14 17 15  3            
MAX LVORI            8  8  8  8  5  3  4  9  6  6  6  5  5  5  5  6            
STABILITY            F  F  F  B  B  C  B  F  F  F  F  B  B  B  B  F            
CEILING               700  1700   700   500   800   500   400   100   100      
STA PRES            27.87 27.90 27.99 28.00 28.03 28.03 28.06 28.02            


Date           07/25Sun 07/26/26Mon 07/27/26Tue 07/28/26Wed 07/29/26
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       73      65      82      66      84      67      86      67      83
TEMP          70 71 68 66 79 76 69 68 82 77 69 68 83 78 70 68 81 76
DEWPT         69 68 66 65 69 70 66 66 68 69 65 65 69 69 65 65 67 67
RH            97 90 93 97 72 82 90 93 63 76 87 90 63 74 84 90 63 74
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B1 SC SC B1 SC SC SC SC FW SC SC SC SC SC SC SC
POP 12HR           80      30      30      10      10      20      20      10      20
RAIN SHWRS    NM  O SC IS    SC                IS IS IS          IS
TSTMS         IS SC IS       SC                   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