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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Wed Apr 29 2026

VAZ024-292000-
RAWS 441631
37.63N  79.51W Elev. 865 ft
801 AM EDT Wed Apr 29 2026

Date             Wed 04/29/26            Thu 04/30/26            Fri 05/01/26
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                 73          48          69          40          70
TEMP                63 69 73 68 60 54 50 50 60 66 68 60 50 45 41 44 59 67 69 62
DEWPT               59 61 61 59 52 47 44 43 41 38 35 34 34 34 34 35 36 36 36 37
MAX/MIN RH                   67          83          30          76          30
RH                  87 76 66 73 75 77 80 77 49 36 29 37 54 65 76 70 42 32 30 39
WIND DIR            SE  S  S  W  W  W  W NW NW NW NW NW NW NW NW  W  W  W  W NW
WIND SPD             3  6  5  5  4  3  3  3  6  8  8  4  2  2  2  2  4  6  6  3
WIND GUST                 16 19 17       13 18 19 19 17                17 18 14
CLOUDS              OV B2 B1 SC SC SC SC SC SC FW FW FW SC SC SC SC SC B1 B1 B1
CLOUDS(%)           98 75 67 50 34 34 41 32 36 24  9 11 26 34 46 48 35 54 66 69
VSBY                 5  5  6  6  6  6 10 10  9 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                    100           5           5           5          20
RAIN SHWRS           O SC SC                                           IS IS IS
TSTMS               IS SC SC                                                   
MIX HGT              2  2  3  1  1 <1 <1  2  6  7  7  1 <1 <1 <1  2  6  8  8  1
T WIND DIR           S  S  S SW NW NW NW NW NW  W  W NW NW  W NW NW SW SW  W SW
T WIND SPD           8  9 10  9 13 13 12 16 14 14 18 14  5  3  2  3  5  9 14  6
DISPERSION                   PR VP VP VP             VP VP VP VP             VP
ADI                 19 25 31  6  6  6  6 38 97118138  7  3  2  1  7 39 46 75  3
MAX LVORI            4  3  3  3  4  4  4  3  1  1  1  2  2  3  4  3  1  1  1  2
STABILITY            B  C  C  E  F  G  F  A  B  B  B  F  G  G  F  A  A  C  C  F
CEILING               100   400  None  None  None  None  None  None  None  6300
STA PRES            28.32 28.18 28.25 28.33 28.37 28.36 28.46 28.45 28.45 28.37


Date          Sat 05/02/26Sun 05/03/26Mon 05/04/26Tue 05/05/26
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       44      64      35      68      41      73      45      77
TEMP          48 46 60 57 43 41 65 60 47 46 70 64 51 49 73 68
DEWPT         38 38 38 34 31 31 30 31 33 37 39 41 43 45 44 45
RH            68 73 44 42 62 67 27 33 58 71 32 43 74 86 35 43
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B1 SC FW FW FW FW FW FW SC SC SC B1 B1
POP 12HR           20      30      10       0       5      20      20      30
RAIN SHWRS    IS IS SC IS                      IS    IS SC SC
TSTMS                                          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