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

VAZ046-230800-
RAWS 441101
37.39N  78.80W Elev. 804 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                 53          84          56          86          56
TEMP          73 68 61 58 54 57 76 82 82 74 66 60 56 60 80 85 84 74 67 62 57 59
DEWPT         48 48 48 48 47 49 52 51 52 51 50 53 51 52 53 50 50 51 52 52 52 53
MIN/MAX RH                   81          33          86          30          85
RH            41 49 62 69 77 75 43 34 35 44 56 78 83 75 39 30 31 44 59 70 83 80
WIND DIR       W  W  W  W  W  W  W  W  W  W NW  W  W  W  W  W  W SW  S  S NW  N
WIND SPD      11  6  5  4  4  3  5  5  4  3  2  2  2  3  4  5  5  3  3  3  3  4
WIND GUST     21                                                               
CLOUDS        SC FW CL FW FW FW FW FW SC FW FW FW FW FW FW SC SC SC SC SC SC SC
CLOUDS(%)     47  6  4  8  6 19  8 20 28 11 13  8 15 14 17 33 33 28 28 36 37 46
VSBY          10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      5          10           5          20          20
RAIN SHWRS                            IS                   IS IS IS IS IS IS IS
MIX HGT        4 <1 <1 <1 <1 <1  5  8  7 <1 <1 <1 <1 <1  8 10  8 <1            
T WIND DIR     W  W  W  W SW  W NW  W  W  W  W  W  W  W NW  W  W  W            
T WIND SPD    19  6  3  3  3  2 11 11 11  2  3  3  3  2 12 11 11  2            
DISPERSION       PR PR VP VP             VP VP VP VP             VP VP VP VP   
ADI           76  3  2  2  2  2 65105 98  1  2  2  2  2113125107  1            
MAX LVORI      1  2  3  3  4  3  1  1  1  2  3  4  5  3  1  1  1  2            
STABILITY      C  F  F  F  F  A  A  A  A  G  G  G  G  A  A  A  A  G            
CEILING        None  None  None  None  None  None  None  None  None  None      
STA PRES      29.32 29.31 29.32 29.32 29.23 29.24 29.22 29.21 29.13            


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       81      53      71      47      72      54      74      53      78
TEMP          78 71 58 54 68 65 53 50 69 66 58 55 67 69 59 56 75 70
DEWPT         57 55 53 49 49 46 44 44 45 46 48 52 58 55 53 53 53 49
RH            48 57 83 83 51 50 71 80 42 48 69 90 73 61 80 90 46 47
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B2 B2 B2 B1 SC SC SC SC SC B1 B2 B2 B2 B1 SC B1 B1
POP 12HR           60      70      30      10      20      50      70      30      30
RAIN SHWRS    IS NM NM SC SC IS          IS IS SC NM SC SC IS IS SC
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