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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Sat Jul 18 2026

VAZ018-190800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
801 PM EDT Sat Jul 18 2026

Date           07/18/26      Sun 07/19/26            Mon 07/20/26            Tue
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                 70          85          66          85          68
TEMP                73 72 72 73 79 83 83 76 71 68 67 68 79 84 82 74 71 70 69 71
DEWPT               69 69 69 69 72 71 69 67 65 64 64 65 68 68 69 69 67 67 67 68
MIN/MAX RH                   92          62          91          59          94
RH                  87 90 90 87 79 67 63 74 81 87 90 90 69 59 65 84 87 90 93 90
WIND DIR             W  W  W NW NW NW NW NW NW  N  N NE SE  S  S  S  S SW SW SW
WIND SPD             5  6  5  6  5  5  5  3  2  1  0  1  2  3  4  2  2  1  2  3
WIND GUST           23 24 24 23 18 16                                          
CLOUDS              SC B1 B1 B1 B1 B1 SC SC CL FW SC B1 SC B1 B1 B1 B1 B1 B2 B2
CLOUDS(%)           34 60 55 52 52 51 45 29  1 12 43 69 40 69 69 57 57 68 73 75
VSBY                 7  7  7  5  9  9  9  7  7 10 10  7  7  6  6  7  7 10 10   
POP 12HR                     10          20          10          50          40
RAIN SHWRS                   IS    IS                IS IS SC SC SC SC IS IS SC
TSTMS                              IS                      IS SC IS            
MIX HGT             <1 <1 <1  1  3  5  5 <1 <1 <1 <1 <1  3  4  4 <1            
T WIND DIR           W  W  W  W  W  W NW NW  N NE  E SE SE SW  S  S            
T WIND SPD          13 10 13 12 12 10 11 12  3  3  8 10  8  6  5  6            
DISPERSION          PR PR PR             VP VP VP VP             VP VP VP VP   
ADI                  9  7  9 24 40 42 66  6  2  2  4 11 31 34 21  3            
MAX LVORI            5  5  5  4  3  1  1  3  5  6  6  5  3  1  2  5            
STABILITY            E  E  E  B  C  C  A  G  G  G  F  B  A  B  C  F            
CEILING              None   900  None  None  None  None  None  2000  1500      
STA PRES            27.70 27.68 27.71 27.69 27.72 27.75 27.78 27.74            


Date           07/21Wed 07/22/26Thu 07/23/26Fri 07/24/26Sat 07/25/26
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       88      69      82      60      79      59      81      63      84
TEMP          86 78 73 70 80 73 64 62 77 71 62 62 79 73 65 66 81 75
DEWPT         72 70 69 69 68 64 60 58 60 60 57 58 63 63 60 62 66 66
RH            63 76 87 97 67 73 87 87 56 68 84 87 58 71 84 87 60 74
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 OV B2 B1 B1 FW FW SC SC FW FW SC SC SC SC B1 B1
POP 12HR           80      90      40      20      10      10      10      10      30
RAIN SHWRS    SC  O  O NM SC SC IS IS                         IS SC
TSTMS         SC SC 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