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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 PM EDT Thu Apr 23 2026

VAZ024-240800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
301 PM EDT Thu Apr 23 2026

Date           04/23/26      Fri 04/24/26            Sat 04/25/26            Sun
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                 54          86          57          81          51
TEMP          83 75 66 60 55 57 78 84 85 76 67 61 57 60 75 80 76 70 63 58 54 52
DEWPT         47 49 48 48 48 49 52 48 49 50 50 50 50 52 57 58 58 56 54 52 50 49
MIN/MAX RH                   77          28          79          48          90
RH            28 40 52 64 77 75 40 29 29 40 54 67 77 75 54 47 54 61 72 80 86 89
WIND DIR      NW  W  W  W NW NW  W  W  W  W  W  W  W  W  W  W  W  W NW  N  N  N
WIND SPD       4  2  1  1  1  1  2  4  4  2  1  1  1  1  2  5  4  2  2  2  2  3
CLOUDS        FW FW CL FW FW SC FW SC SC FW SC FW SC B1 B1 B2 B2 B1 B1 B1 B1 SC
CLOUDS(%)     24 19  5  6 11 30 11 27 33 25 29 25 32 65 65 87 87 69 67 54 54 48
VSBY          10 10 10 10 10 10 10 10  7  7  7 10 10                           
POP 12HR                      5          20          20          80          50
RAIN SHWRS                            IS IS IS IS IS IS SC SC  O SC SC SC SC IS
TSTMS                                                      SC                  
Obvis                     PF PF                                                
MIX HGT        9 <1 <1 <1 <1 <1  7 10  8 <1 <1 <1 <1 <1  3  5  3 <1            
T WIND DIR     W  W NW NW NW NW NW  W  W  W  W NW NW  W NW NW NW NW            
T WIND SPD    13  4  3  3  3  3 11 11 11  4  2  3  2  5 14 16 13  9            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI          145  2  2  2  2  3 95124103  2  1  2  1  6 63 69 46  4            
MAX LVORI      1  2  2  3  4  4  1  1  1  2  3  3  4  4  1  1  1  3            
STABILITY      A  G  G  G  G  A  A  A  A  G  G  G  G  B  B  C  C  F            
CEILING              None  None  None  None  None  None  6200  5200 26200      
STA PRES            28.43 28.41 28.39 28.32 28.32 28.31 28.33 28.32            


Date           04/26Mon 04/27/26Tue 04/28/26Wed 04/29/26Thu 04/30/26
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       70      45      72      49      71      54      79      50      75
TEMP          67 68 52 47 70 65 52 50 65 66 58 55 77 71 57 54 73 69
DEWPT         48 44 43 42 45 44 44 47 54 54 52 52 50 46 45 47 45 42
RH            50 42 71 83 41 46 74 89 68 65 80 90 39 41 64 77 37 37
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC SC SC SC SC B1 B2 B2 B1 SC B1 B1 SC SC B1 B1
POP 12HR           20      10      10      40      80      30      40      20      40
RAIN SHWRS    IS                   SC  O SC SC IS SC SC 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