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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
831 PM EDT Fri Jul 17 2026

NCZ003-180800-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
831 PM EDT Fri Jul 17 2026

Date           07/17/26      Sat 07/18/26            Sun 07/19/26            Mon
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                 73          86          69          90          65
TEMP                78 76 73 75 86 84 83 81 75 72 71 73 84 88 85 80 73 69 66 70
DEWPT               70 69 69 70 72 71 72 72 71 70 69 70 72 72 72 72 70 68 66 69
MIN/MAX RH                   88          63          96          58         100
RH                  76 79 87 84 63 65 70 74 87 93 93 90 67 59 65 77 90 97100 97
WIND DIR            NW NW NW NW SW  W  W SW  W  W  W  W NW NW NW NW  N  N  N  N
WIND SPD             2  2  3  2  4  6  5  3  2  3  3  2  3  4  3  1  0  0  0  0
CLOUDS              B1 B2 B1 SC SC B2 B2 SC SC SC SC B2 B1 B2 B2 B1 SC SC SC SC
CLOUDS(%)           57 73 52 34 37 76 71 44 42 45 47 71 53 82 82 51 35 27 34 34
VSBY                 6  6 10 10 10  6 10 10  7  7  7 10  7  6  6  7            
POP 12HR                      0          60          10          70          20
RAIN SHWRS                      IS NM SC             IS IS NM NM IS IS         
TSTMS                           IS SC SC                IS SC SC IS IS         
Obvis                K  K                                                      
MIX HGT             <1 <1 <1 <1  4  5  4 <1 <1 <1 <1 <1  4  5  3 <1            
T WIND DIR          NW NW NW NW  W SW  W  W NW NW  W NW NW  W  W NW            
T WIND SPD           3  3  4  5  6 10  9 11 11  6  4 11 14 13  9 11            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  2  2  2  6 39 41 32  5  5  3  2 13 70 81 34  5            
MAX LVORI            3  4  5  5  1  1  3  3  5  6  6  5  1  1  1  4            
STABILITY            F  F  G  A  A  C  C  F  G  G  F  B  B  B  B  F            
CEILING              None  None  None  3700  None  None  3700  5800  None      
STA PRES            28.17 28.14 28.14 28.05 28.03 28.02 28.06 28.02            


Date           07/20Tue 07/21/26Wed 07/22/26Thu 07/23/26Fri 07/24/26
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       86      67      90      69      86      63      83      62      85
TEMP          83 81 70 71 87 84 73 72 84 79 67 66 80 78 65 67 82 79
DEWPT         71 72 69 70 71 72 69 70 71 69 62 62 63 65 61 62 65 66
RH            67 74 97 97 59 67 87 93 65 72 84 87 56 64 87 84 56 64
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B2 SC SC B1 B1 SC B1 B1 B1 SC SC SC FW FW SC SC SC
POP 12HR           60      20      30      30      50      20      20      10      20
RAIN SHWRS       NM IS       SC IS SC SC SC IS    IS             IS
TSTMS            SC IS       SC IS IS IS SC                      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