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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
201 PM EDT Mon Apr 20 2026

VAZ012-210800-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
201 PM EDT Mon Apr 20 2026

Date           04/20/26      Tue 04/21/26            Wed 04/22/26            Thu
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                 25          71          45          75          45
TEMP          55 46 38 34 30 33 52 69 71 60 52 48 48 50 69 74 74 64 55 50 47 50
DEWPT         20 17 18 18 17 19 23 29 34 38 39 39 39 39 40 39 38 39 40 41 40 43
MIN/MAX RH                   70          22          71          26          84
RH            25 31 44 51 58 56 32 22 26 44 61 71 71 66 35 28 27 40 57 71 76 77
WIND DIR      NW NW  N  N SW  S SW  W  W SW SW  W  W  W  W  W  W  W  W  W  W  W
WIND SPD      10  5  2  1  1  2  3  5  6  5  4  5  6  8 10 11  9  5  3  2  2  3
CLOUDS        CL CL CL CL FW FW CL FW FW SC SC FW SC SC SC SC FW FW FW FW FW FW
CLOUDS(%)      4  4  4  4  6  7  4 19 25 47 34 19 34 39 39 38 24 24 15  9 10  6
VSBY          10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      0           0           0          10           5
MIX HGT        5 <1 <1 <1 <1 <1  3  5  5 <1 <1 <1 <1 <1  5  7  8 <1            
T WIND DIR    NW NW NW SW SW  S  W  W  W SW SW  W  W  W  W  W NW  W            
T WIND SPD    19 11  2  1  2  3  8 11 16  9  9 10 11 13 44 37 24  6            
DISPERSION       PR VP VP VP             PR VP PR PR             PR VP VP VP   
ADI          122  5  1  1  1  3 28 76 99  6  4  5  5 14200181195  3            
MAX LVORI      1  2  2  2  3  3  2  1  1  2  3  3  3  2  1  1  1  2            
STABILITY      B  F  G  G  G  A  A  A  B  E  F  F  F  B  B  C  B  F            
CEILING        None  None  None  None  None  None  None  None  None  None      
STA PRES      27.41 27.45 27.47 27.48 27.38 27.35 27.31 27.31 27.29            


Date           04/23Fri 04/24/26Sat 04/25/26Sun 04/26/26Mon 04/27/26
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       79      47      78      53      75      50      73      51      70
TEMP          76 67 52 53 78 68 55 55 72 66 54 53 71 65 55 52 67 64
DEWPT         43 44 44 45 43 45 46 48 51 52 50 50 48 48 49 49 51 51
RH            31 43 74 74 29 43 72 77 48 61 86 89 44 54 80 89 56 63
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW FW SC SC SC B1 B1 B2 B1 B1 B1 B1 B1 B1 B2 B2
POP 12HR            5       5      10      30      70      50      50      40      60
RAIN SHWRS                         SC SC NM SC SC SC SC SC SC SC NM
TSTMS                                    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