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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Thu Apr 16 2026

VAZ018-170800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
801 PM EDT Thu Apr 16 2026

Date           04/16/26      Fri 04/17/26            Sat 04/18/26            Sun
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                 60          82          58          87          51
TEMP                69 63 61 61 73 79 81 71 64 60 58 60 76 84 86 75 68 64 57 51
DEWPT               54 56 55 54 53 47 46 44 47 46 46 49 52 52 52 52 54 54 49 43
MIN/MAX RH                   80          29          68          31          78
RH                  59 78 81 78 49 32 29 38 54 60 64 67 43 33 31 45 61 70 75 74
WIND DIR             W  W NW NW NW NW NW NW NW  W  W SW  S SW SW SW  W  W  W NW
WIND SPD             4  5  4  5  6  6  6  2  1  1  1  1  3  6  5  4  4  6 10 13
WIND GUST                                               14 19 17 17 19 21 28 35
CLOUDS              OV B2 SC SC FW FW FW FW FW SC SC SC SC SC B1 B2 B2 B2 B2 B2
CLOUDS(%)           88 73 40 32 12 13 16 13 17 35 29 30 30 47 58 76 76 74 83 82
VSBY                 9 10 10 10 10 10 10 10 10 10 10 10 10  7  7  6  6  6  6   
POP 12HR                     80          10           0          20          60
RAIN SHWRS          NM                                     IS IS NM NM NM NM SC
TSTMS               IS                                           IS IS         
MIX HGT             <1 <1 <1 <1  4  7  6 <1 <1 <1 <1 <1  4  7  6 <1            
T WIND DIR           W  W  W NW NW NW NW NW  W NW  W  W SW SW SW SW            
T WIND SPD          14 10  8 11 20 17 14  4  3  2  2  1 12 14 18 16            
DISPERSION          VP PR VP             VP VP VP VP             VP VP PR FR   
ADI                 10  7  5 14106124106  2  2  1  1  1 60115 84 11            
MAX LVORI            2  4  5  4  1  1  1  2  2  3  3  3  1  1  1  2            
STABILITY            E  E  E  A  B  B  B  G  G  G  G  A  A  B  C  E            
CEILING              2300  None  None  None  None  None  None  7900  4600      
STA PRES            27.74 27.75 27.79 27.76 27.78 27.76 27.74 27.65            


Date           04/19Mon 04/20/26Tue 04/21/26Wed 04/22/26Thu 04/23/26
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       60      38      58      34      73      52      76      52      77
TEMP          57 52 42 40 55 49 36 37 68 64 53 55 74 66 56 54 74 67
DEWPT         31 24 23 20 17 16 17 18 31 33 34 40 42 41 42 46 45 40
RH            37 33 46 44 22 26 45 46 25 31 48 57 32 40 59 74 35 37
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 SC FW FW CL FW CL CL CL FW FW FW SC SC FW FW SC SC
POP 12HR           50      10       0       0       0       0      10      10      20
RAIN SHWRS    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