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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Sun Jul 26 2026

NCZ006-270800-
RAWS 310801
36.37N  79.29W Elev. 580 ft
401 PM EDT Sun Jul 26 2026

Date           07/26/26      Mon 07/27/26            Tue 07/28/26            Wed
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                 66          87          69          89          67
TEMP          82 78 72 70 68 69 80 86 87 83 75 72 71 72 82 87 85 81 75 71 68 70
DEWPT         72 73 72 70 68 69 73 71 71 72 70 69 69 71 75 75 74 73 71 70 68 69
MIN/MAX RH                  100          58          99          65         100
RH            72 85100100100100 79 61 59 70 84 90 93 97 79 68 70 77 87 97100 97
WIND DIR      SW  S SW  S  N  N  N  N NW  N  S  S SW SW SW SW  W SW  W  W NW NW
WIND SPD       1  1  1  1  0  0  3  2  1  0  1  1  2  3  6  9  9  5  2  2  3  4
WIND GUST                                               18 21 19               
CLOUDS        B1 B1 B1 SC SC SC SC B1 SC SC SC SC SC B1 B1 B2 B2 B1 B1 FW FW FW
CLOUDS(%)     53 55 64 43 43 49 42 58 41 40 33 28 41 57 59 84 84 55 55 11 15 18
VSBY          10 10  9  6  5  9 10 10 10 10 10 10 10  7  7  6  6  6            
POP 12HR                     50           5          10          80          30
RAIN SHWRS       IS SC IS                            SC SC  O  O SC SC         
TSTMS            IS SC                                     SC NM SC IS         
Obvis                  PF PF PF                   PF                           
MIX HGT        5 <1 <1 <1 <1 <1  3  5  5 <1 <1 <1 <1 <1  2  4  2 <1            
T WIND DIR     W SW SW SW SW NW  N  N  N NE  E SE  S SW  W SW SW  S            
T WIND SPD     5 11  5  3  2  4  5  5  8  3  2  2  2  3 14 18 33  8            
DISPERSION       VP VP VP VP             VP VP VP VP             PR VP VP VP   
ADI           32  5  3  2  1  4 20 31 55  2  1  1  1  4 42 71 90  5            
MAX LVORI      3  5  9 10 10  9  3  1  1  3  6  7  7  8  3  1  3  4            
STABILITY      B  F  F  G  F  A  A  B  A  G  G  G  F  B  B  C  C  E            
CEILING              None  None  None  None  None  None 11500 10600  None      
STA PRES            29.20 29.19 29.21 29.18 29.17 29.14 29.11 29.00            


Date           07/29Thu 07/30/26Fri 07/31/26Sat 08/01/26Sun 08/02/26
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       87      65      85      64      85      67      85      68      83
TEMP          85 82 69 68 83 79 68 68 84 79 70 70 83 79 71 69 81 78
DEWPT         69 69 65 66 68 69 65 67 69 70 67 69 71 72 70 69 74 73
RH            59 65 87 93 61 72 90 97 61 74 90 97 67 79 97100 79 85
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW CL CL FW SC FW FW SC SC SC B2 B2 B2 B1 B1 B2
POP 12HR            0       0       0       5      10      10      40      50      60
RAIN SHWRS                                        IS SC SC SC SC NM
TSTMS                                                SC SC       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