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

VAZ018-180800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
245 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                 72          84          71          88          66
TEMP          90 81 76 74 72 75 82 83 83 79 74 73 72 73 81 87 85 76 70 68 66 68
DEWPT         67 68 67 68 68 70 70 69 69 69 69 69 69 69 71 70 68 67 65 65 64 65
MIN/MAX RH                   86          61          91          55          94
RH            47 65 74 82 87 84 67 63 63 72 84 87 90 87 72 57 57 74 84 90 93 90
WIND DIR      SE SW  W  N  W  W  W  W  W  W  W  W  W NW NW NW NW NW NW  N  N  E
WIND SPD       3  1  1  0  1  2  4  6  6  5  6  5  5  6  4  4  4  2  2  1  1  1
WIND GUST                       16 19 20 21 23 23 23 21 16                     
CLOUDS        SC SC B1 B1 B1 SC SC B2 B1 SC B1 B1 B2 B1 SC SC SC SC FW SC SC B1
CLOUDS(%)     45 46 55 66 61 34 47 70 55 38 56 53 78 60 38 48 48 30 22 32 50 52
VSBY           4  4 10 10 10 10 10  3  6  7  7 10 10  7  7  7  7  7            
POP 12HR                      5          60          30          20          10
RAIN SHWRS                         NM SC                   IS IS               
TSTMS                              SC SC                   IS IS               
Obvis          K  K                                                            
MIX HGT        5 <1 <1 <1 <1 <1  4  4  4 <1 <1 <1 <1  1  3  5  6 <1            
T WIND DIR     S  S NE  W  W  W  W  W  W  W  W  W  W  W NW NW NW NW            
T WIND SPD     5 11  1  2  3  9 11 13 17 16 11 10  6 12 12  9  8 11            
DISPERSION       VP VP VP VP             PR PR PR PR             VP VP VP VP   
ADI           39  5  1  1  2  9 56 53 62  7  8  7  5 24 50 60 56  5            
MAX LVORI      1  3  4  4  5  4  1  1  1  3  4  5  6  4  3  1  1  3            
STABILITY      A  F  F  F  F  A  A  C  C  F  E  E  E  C  A  A  A  G            
CEILING        None  5000 11700  None  None  None  1400  None  None  None      
STA PRES      27.84 27.84 27.81 27.80 27.71 27.69 27.67 27.72 27.70            


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      68      90      70      84      61      81      61      83
TEMP          83 77 70 70 87 80 73 71 82 75 65 63 79 72 63 64 81 74
DEWPT         68 68 66 68 69 69 68 69 68 63 60 59 60 60 58 58 62 62
RH            61 74 87 93 55 69 84 93 63 66 84 87 52 66 84 81 53 66
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 SC B1 B2 B1 B2 B1 B1 B1 SC FW SC FW FW FW SC SC
POP 12HR           30      10      40      60      40      10       5       5      20
RAIN SHWRS       SC          SC NM SC IS SC                      IS
TSTMS            SC          SC 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