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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Sat Apr 25 2026

VAZ018-260800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
401 PM EDT Sat Apr 25 2026

Date           04/25/26      Sun 04/26/26            Mon 04/27/26            Tue
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                 52          74          46          72          48
TEMP          67 63 59 56 53 54 63 70 71 59 52 48 47 47 59 68 71 63 55 50 48 50
DEWPT         58 55 54 51 49 50 52 50 48 46 44 42 41 42 43 42 42 40 40 39 39 42
MIN/MAX RH                   89          44          83          34          73
RH            73 75 83 83 86 86 67 49 44 62 74 80 79 83 55 39 35 43 57 66 71 74
WIND DIR       W NW NW NW NW  N NE  E  E  E  E  E  E  E  E SE SE SE SE SE SE SE
WIND SPD       5  2  2  2  2  2  3  5  6  5  3  2  2  2  3  5  5  4  3  3  3  2
WIND GUST        12          13 14    17 20 16 13 12 12 16    16 17 16 16 14 14
CLOUDS        OV OV B1 B1 SC B1 B1 SC SC FW SC B1 B1 B1 FW FW FW FW FW SC B1 OV
CLOUDS(%)    100100 61 60 41 65 52 45 29 18 39 53 62 53 21 15 17 23 20 38 57 88
VSBY           6  8 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10  7  7   
POP 12HR                     40           0          10           5          20
RAIN SHWRS    SC SC                                                    IS IS  O
MIX HGT        2 <1 <1 <1 <1  1  2  4  4  1 <1 <1 <1  1  2  3  3 <1            
T WIND DIR     W NW NW NW NW  N  N NE  E  E  E  E  E NE  E SE SE SE            
T WIND SPD    16 16  9  6 14  9  8  6  6 10 11  4  6  5  9  6  9 12            
DISPERSION       VP VP VP VP             PR VP VP VP             VP VP VP VP   
ADI           40  7  4  3  7 13 25 31 31  5  5  2  3 10 29 28 40  6            
MAX LVORI      3  4  5  5  4  4  3  1  1  3  3  4  5  4  2  2  1  2            
STABILITY      C  F  F  G  G  A  B  A  B  F  G  F  F  B  A  A  A  F            
CEILING              1300  None  None  None  None  1500  None  None  None      
STA PRES            27.61 27.65 27.74 27.79 27.88 27.93 27.96 27.91            


Date           04/28Wed 04/29/26Thu 04/30/26Fri 05/01/26Sat 05/02/26
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       71      56      72      49      65      42      64      43      61
TEMP          64 63 57 58 68 63 54 50 62 57 45 45 61 57 47 45 58 53
DEWPT         52 52 51 53 59 52 45 40 37 32 32 34 35 34 34 35 36 34
RH            65 67 80 83 73 67 71 68 39 38 60 65 38 42 60 68 44 48
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    OV B2 B1 B1 OV B2 B1 SC SC SC FW SC B1 B1 B1 B1 B1 SC
POP 12HR           80      50      80      30      20      20      40      40      30
RAIN SHWRS     O SC SC SC  O  O SC IS IS IS    IS SC SC SC SC SC IS
TSTMS            SC 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