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

VAZ024-222000-
RAWS 441631
37.63N  79.51W Elev. 865 ft
931 AM EDT Wed Apr 22 2026

Date             Wed 04/22/26            Thu 04/23/26            Fri 04/24/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 77          50          84          54          86
TEMP                63 73 77 71 61 57 53 54 74 82 83 75 65 58 54 57 77 84 85 77
DEWPT               43 46 47 46 47 46 45 47 51 50 50 49 49 50 49 51 52 49 48 50
MAX/MIN RH                   35          82          31          86          27
RH                  48 38 35 41 60 67 74 77 44 33 32 40 56 75 83 80 42 30 28 39
WIND DIR             W  W  W  W SW  W  W  W NW  W  W  W NW NW NW NW  W  W  W  W
WIND SPD             8 10  9  4  2  1  1  1  2  3  3  2  1  1  1  1  2  4  3  2
WIND GUST           20 24 21 14                                                
CLOUDS              B2 B2 B1 FW FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC B1
CLOUDS(%)           75 83 53 21 14 13 11 19  8 38 38 13 14  8  7 16 18 48 48 51
VSBY                10  7 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     30           5          10          10          10
RAIN SHWRS             IS                                                    IS
TSTMS                  IS                                                      
MIX HGT              5  5  4 <1 <1 <1 <1 <1  5  8  8 <1 <1 <1 <1 <1  7 10  9 <1
T WIND DIR           W  W  W  W  W NW NW NW NW  W  W  W  W NW NW NW NW  W  W  W
T WIND SPD          26 20 18  8  3  3  3  2 14 10 11  4  4  3  3  2 14 18 13  4
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                150 84 71  4  2  2  2  2 91100105  2  2  2  2  2129198134  2
MAX LVORI            1  1  1  2  3  3  4  4  1  1  1  2  3  3  5  4  1  1  1  2
STABILITY            B  C  C  F  G  G  G  A  A  A  A  G  G  G  G  A  A  A  A  F
CEILING                    None  None  None  None  None  None  None  None  None
STA PRES                  28.53 28.54 28.54 28.54 28.45 28.47 28.44 28.44 28.37


Date          Sat 04/25/26Sun 04/26/26Mon 04/27/26Tue 04/28/26
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       57      80      51      72      49      72      53      75
TEMP          62 57 76 69 56 52 68 64 53 50 69 66 56 54 70 70
DEWPT         50 52 56 55 51 48 48 45 44 44 46 45 48 51 57 54
RH            65 83 50 61 83 86 49 50 71 80 44 47 74 90 63 57
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B2 B2 B2 B1 B1 SC SC B1 B1 SC B1 B2 B2 B2
POP 12HR           30      80      60      30      20      20      60      70
RAIN SHWRS    SC SC SC  O NM SC SC SC IS    IS IS SC NM NM NM
TSTMS                  SC                      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