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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
331 AM EDT Sun Apr 26 2026

VAZ024-262000-
RAWS 441631
37.63N  79.51W Elev. 865 ft
331 AM EDT Sun Apr 26 2026

Date             Sun 04/26/26            Mon 04/27/26            Tue 04/28/26
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                 69          44          73          43          69
TEMP          55 53 59 66 68 62 54 50 46 47 61 70 73 65 54 48 43 46 59 63 69 65
DEWPT         54 52 51 50 48 45 44 43 42 41 41 41 40 41 42 41 41 40 45 48 50 51
MAX/MIN RH                   48          89          31          89          52
RH            96 96 75 56 49 54 69 77 86 79 48 35 30 41 64 77 93 79 60 58 51 60
WIND DIR      NE NE NE NE NE NE NE NE  N NE  E  E SE  E  E SE SE  S  S  S  S  S
WIND SPD       2  3  6  8  8  4  3  2  2  2  3  5  4  2  2  2  1  1  2  5  4  2
WIND GUST                 18                                                   
CLOUDS        B2 B2 B2 B1 SC SC SC B1 SC FW FW FW FW FW FW SC SC B2 B2 B2 B1 B1
CLOUDS(%)     85 86 81 52 33 39 48 52 32 23  9 15 13 11 18 33 34 84 84 85 66 52
VSBY           0  3 10 10 10 10 10  9  6 10 10  8  9 10 10 10 10 10  8  8  9  8
POP 12HR                     10           0           0          10          80
RAIN SHWRS    IS                                                  O  O SC SC IS
TSTMS                                                                  IS      
Obvis         PF                                                               
MIX HGT        1  2  3  4  4  1  1  1 <1  1  4  4  4 <1 <1 <1 <1  1  3  2  2 <1
T WIND DIR    NE NE NE NE NE NE NE NE  E  E  E  E SE SE SE SE SE  S SW  S  S  S
T WIND SPD    10 13 16 14 12 11  9  6 11 10 10  8  8  4  4  4  4 10 14  8  6  5
DISPERSION    VP             VP VP VP VP             VP VP VP VP             VP
ADI            5 29 50 56 63  5  4  3  5 18 49 45 42  2  2  2  2 19 50 22 19  3
MAX LVORI      9  4  3  1  1  2  3  4  5  3  1  1  1  2  3  4  6  3  1  2  2  3
STABILITY      F  B  C  C  B  F  F  F  G  A  A  A  A  G  G  G  G  A  B  C  C  F
CEILING              1700  None  None  None  None  None  None  None 11400   600
STA PRES            28.51 28.56 28.63 28.68 28.74 28.69 28.71 28.70 28.66 28.57


Date          Wed 04/29/26Thu 04/30/26Fri 05/01/26Sat 05/02/26
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       52      74      48      68      39      68      41      66
TEMP          54 54 70 67 54 49 67 61 46 44 65 61 46 44 63 60
DEWPT         50 52 59 55 45 40 37 34 33 32 33 34 35 34 36 34
RH            86 93 68 65 71 71 33 36 60 62 30 36 65 68 36 37
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 OV OV SC FW FW SC FW FW FW SC B1 B1 B1 SC
POP 12HR           40      90      20      10      10      20      30      30
RAIN SHWRS    IS SC  O  O IS                   IS SC SC SC IS
TSTMS            IS IS SC                                    

$$


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