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

VAZ012-230800-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
731 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                 46          78          49          79          53
TEMP             64 55 51 47 50 72 77 77 67 57 53 50 53 75 79 78 68 59 56 54 56
DEWPT            38 39 37 37 39 44 43 43 43 44 42 41 43 44 43 43 44 45 46 46 48
MIN/MAX RH                   71          29          75          28          78
RH               38 55 59 68 66 37 30 30 42 62 66 71 69 33 28 29 42 60 69 74 74
WIND DIR         NW  W  W  W  W NW  W  W  W  W  W  W  W  W  W  W  W SW  W  W  W
WIND SPD          2  2  2  2  2  3  3  3  2  2  2  2  2  2  3  2  2  2  2  2  2
CLOUDS           FW FW CL CL CL CL FW FW FW FW FW FW FW FW SC SC FW FW B1 B1 B2
CLOUDS(%)        22 10  3  5  5  2 11 24 17  6 14 20 20 14 38 26 17 20 51 59 72
VSBY             10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      5           5           0          10          30
RAIN SHWRS                                                             SC SC NM
MIX HGT          <1 <1 <1 <1 <1  5  7  6 <1 <1 <1 <1 <1  7  9  8 <1            
T WIND DIR        W  W  W  W  W NW  W  W  W  W  W  W  W  W  W  W  W            
T WIND SPD        6  4  5  5  6 19 13 10  3  3  4  4  3 12 11 13  4            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI               3  2  3  3  7131121 81  2  2  2  2  3107116133  2            
MAX LVORI         2  3  3  3  3  1  1  1  2  3  3  3  3  1  1  1  2            
STABILITY         G  G  G  G  A  A  A  A  G  G  G  G  A  A  A  A  G            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            27.29 27.30 27.32 27.23 27.24 27.21 27.19 27.13            


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       74      47      75      45      71      51      73      49      72
TEMP          72 64 52 49 73 65 50 47 70 64 55 52 71 64 54 50 70 63
DEWPT         51 50 48 46 44 44 42 42 45 46 48 50 53 51 49 48 45 42
RH            48 60 86 89 35 46 74 83 41 52 77 93 53 63 83 93 41 46
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 OV B1 B1 SC FW SC SC B1 B1 B1 B2 B2 B1 B1 SC B1 SC
POP 12HR           80      50      20      20      30      70      70      30      30
RAIN SHWRS    NM  O SC SC IS IS    IS IS SC 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