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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1031 PM EDT Tue Apr 28 2026

VAZ024-290800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
1031 PM EDT Tue Apr 28 2026

Date           04/28/26      Wed 04/29/26            Thu 04/30/26            Fri
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          49          68          40
TEMP                60 57 55 55 65 69 73 68 60 54 50 51 62 67 66 58 50 45 41 45
DEWPT               57 55 55 55 60 61 62 58 53 49 46 45 42 38 35 34 34 34 35 35
MIN/MAX RH                  100          67          88          31          79
RH                  90 93100100 84 76 68 70 78 83 86 80 48 34 32 40 54 65 79 68
WIND DIR            SE  E  S  E  S  S SW  W  W NW NW NW NW NW NW NW NW  W  W  W
WIND SPD             3  2  2  1  2  5  4  4  3  3  3  4  6  9  9  4  2  2  2  2
WIND GUST                                16 14 13 13 14 19 19 20 17            
CLOUDS              SC B2 OV OV OV B2 B1 SC B1 SC SC SC FW SC FW FW SC SC SC SC
CLOUDS(%)           47 87 91100 98 76 56 37 57 47 46 37 22 30 14  8 27 34 36 38
VSBY                 9  3  1  2  3  3  4  5  4 10 10 10 10  9  9  9            
POP 12HR                     30          90          40          10           5
RAIN SHWRS                   SC  O  O NM SC SC                                 
TSTMS                        IS IS SC SC                                       
Obvis                        PF                                                
MIX HGT             <1 <1 <1 <1  2  2  3 <1 <1 <1 <1  2  5  8  8  1            
T WIND DIR          SE  S  S  S  S  S  S SW NW  W NW NW NW NW NW NW            
T WIND SPD           1  1  2  2  5 13  9  9 12  9 10 18 16 17 19 12            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  1  1  1  2 13 33 29  6  6  4  5 51 99141158  6            
MAX LVORI            6  7 10  9  4  3  3  3  4  5  5  3  1  1  1  2            
STABILITY            F  F  F  B  B  C  C  E  F  F  F  A  B  B  B  F            
CEILING                     200   100  None  None  None  None  None  None      
STA PRES                  28.43 28.34 28.20 28.23 28.28 28.34 28.36            


Date           05/01Sat 05/02/26Sun 05/03/26Mon 05/04/26Tue 05/05/26
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      44      64      35      66      39      71      43      76
TEMP          67 63 49 45 61 56 42 40 63 59 45 44 68 64 50 47 72 67
DEWPT         36 37 38 38 37 34 32 32 29 31 33 35 38 39 39 42 44 45
RH            32 38 66 76 41 43 67 73 27 34 62 70 33 40 66 83 37 45
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 B1 B2 B2 B1 SC FW CL FW FW FW FW SC SC SC SC SC
POP 12HR           20      30      30      10       5       5      10      20      20
RAIN SHWRS       IS IS SC SC IS                            IS IS IS
TSTMS                                                            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