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

VAZ024-270800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
231 PM EDT Sun Apr 26 2026

Date           04/26/26      Mon 04/27/26            Tue 04/28/26            Wed
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                 42          73          43          68          51
TEMP          68 61 51 46 43 45 61 70 72 65 54 48 44 47 58 63 68 64 57 54 51 54
DEWPT         47 46 44 42 41 42 41 40 40 41 41 41 40 42 46 49 51 52 51 51 51 52
MIN/MAX RH                   97          31          87          55          98
RH            47 58 77 86 93 89 48 33 31 41 61 77 86 83 64 60 54 65 80 90100 93
WIND DIR       E  E  E NE  N  N  E  E SE SE SE SE SE  S  S  S  S  S  S SW SW  S
WIND SPD       6  3  2  1  1  1  2  5  4  2  2  1  1  1  3  5  4  2  1  1  1  1
WIND GUST        14                                                            
CLOUDS        SC FW FW FW FW FW FW FW FW FW FW SC SC B2 B2 B2 B1 B1 SC B1 B1 B2
CLOUDS(%)     37 20 15 20 23 19  8 18 17 15 21 33 40 81 84 85 60 51 50 63 68 87
VSBY          10 10 10  8  5 10 10 10 10 10 10 10 10  7                        
POP 12HR                      0           0           5          70          30
RAIN SHWRS                                           NM NM SC SC IS IS SC SC  O
TSTMS                                                      IS IS               
Obvis                     PF PF                                                
MIX HGT        4  1  1 <1 <1  1  4  4  4 <1 <1 <1 <1  1  3  3  3 <1            
T WIND DIR    NE NE NE NE  E  E  E  E SE SE SE  S SE  S  S SW SW SW            
T WIND SPD    12 10 11  8 11  6  6  5  8  4  3  4  3  8 12  4 11  5            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           64  5  5  4  5 12 32 32 43  2  2  2  2 15 45 14 36  3            
MAX LVORI      1  3  4  5  6  5  1  1  1  2  3  4  6  4  1  2  1  3            
STABILITY      B  G  G  G  G  A  A  A  A  G  G  G  G  B  B  C  C  F            
CEILING        None  None  None  None  None  None  None  3300  1500  None      
STA PRES      28.55 28.62 28.68 28.73 28.70 28.72 28.70 28.71 28.61            


Date           04/29Thu 04/30/26Fri 05/01/26Sat 05/02/26Sun 05/03/26
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       73      49      69      39      69      40      67      38      71
TEMP          71 69 57 51 66 61 46 43 67 62 47 44 64 60 45 43 68 64
DEWPT         59 56 49 43 36 33 32 33 35 35 36 37 36 35 33 34 36 38
RH            66 63 75 74 33 35 58 67 30 36 65 76 35 39 62 70 31 38
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 OV B1 SC SC SC FW FW SC SC SC B1 SC SC FW FW FW SC
POP 12HR          100      40      20      10      20      30      30      10       5
RAIN SHWRS     O  O SC IS IS IS       IS IS SC SC SC IS            
TSTMS            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