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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Wed Apr 22 2026

VAZ018-230800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
231 PM EDT Wed Apr 22 2026

Date           04/22/26      Thu 04/23/26            Fri 04/24/26            Sat
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                 54          81          55          83          58
TEMP          69 63 59 56 54 57 72 79 79 70 63 58 57 59 76 82 80 70 64 61 59 61
DEWPT         45 43 43 43 42 45 49 48 47 47 46 46 45 47 49 47 47 46 47 47 48 51
MIN/MAX RH                   67          32          70          29          69
RH            42 48 55 62 64 64 44 34 32 44 54 64 64 64 39 29 31 42 54 60 67 70
WIND DIR       W  W NW NW NW NW NW  W NW NW  W  W  W  W  W  W  W  W  W  W  W  W
WIND SPD       9  5  3  2  2  3  5  6  4  2  2  2  2  2  3  4  3  2  2  2  2  2
WIND GUST     26 20 16 13 13 16 19 18 16                14 16 13             12
CLOUDS        SC FW FW CL FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC B1 B1 B1
CLOUDS(%)     40  9 11  4  7  6  7 19 18 14  8  7 19 20 16 30 30 30 30 51 51 68
VSBY          10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      5          10           0          20          30
RAIN SHWRS                                                 IS IS IS IS SC SC SC
MIX HGT        4 <1 <1 <1 <1 <1  5  7  7 <1 <1 <1 <1 <1  7  9  7 <1            
T WIND DIR     W  W  W  W  W  W NW  W  W  W NW  W  W  W  W  W  W  W            
T WIND SPD    26  9  4  5  6  6 19 14 13  5  4  3  3  3 12 10 11  8            
DISPERSION       PR VP VP VP             VP VP VP VP             VP VP VP VP   
ADI          125  4  2  3  3  7112108117  3  2  2  2  3106104 98  4            
MAX LVORI      1  2  3  3  3  3  1  1  1  2  3  3  3  3  1  1  1  2            
STABILITY      B  F  G  G  G  A  A  B  A  G  G  G  G  A  A  A  A  G            
CEILING        None  None  None  None  None  None  None  None  None  None      
STA PRES      27.81 27.81 27.81 27.83 27.75 27.76 27.73 27.71 27.65            


Date           04/25Sun 04/26/26Mon 04/27/26Tue 04/28/26Wed 04/29/26
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       77      53      75      49      71      54      75      54      74
TEMP          75 67 56 55 72 64 52 51 68 64 57 55 68 65 57 55 71 65
DEWPT         54 51 48 48 48 44 42 43 46 46 47 50 55 50 48 49 47 43
RH            48 56 74 77 42 48 69 74 45 52 69 83 63 58 72 80 42 45
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B2 B2 B1 SC SC SC B1 SC B1 B1 B2 B2 B1 B1 SC SC B1
POP 12HR           80      60      30      10      20      70      70      30      30
RAIN SHWRS    SC  O NM SC SC          IS IS SC NM NM SC SC IS SC SC
TSTMS            SC 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