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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Fri Apr 24 2026

VAZ046-250800-
RAWS 441101
37.39N  78.80W Elev. 804 ft
801 PM EDT Fri Apr 24 2026

Date           04/24/26      Sat 04/25/26            Sun 04/26/26            Mon
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                 56          83          50          61          43
TEMP                66 62 57 60 77 83 78 68 62 60 54 51 53 59 60 57 52 48 44 46
DEWPT               52 52 52 53 56 56 58 60 59 58 54 50 48 48 46 44 44 43 41 40
MIN/MAX RH                   84          40         100          60          88
RH                  61 70 83 78 48 40 50 76 90 93100 96 83 67 60 62 74 83 89 79
WIND DIR             N  N  N  W  W SW NW  N NE NE NE NE NE NE NE NE NE  N  N  N
WIND SPD             0  0  0  3  4  5  6  5  5  5  9 11 11 12 13 10 10  8  8  9
WIND GUST                                         19 23 23 23    23 20 18 18   
CLOUDS              SC FW FW SC SC SC B2 OV OV OV OV B2 B2 B2 B1 B1 B1 SC SC FW
CLOUDS(%)           32 13 11 48 28 48 75 95 95 92 92 85 85 70 63 62 55 47 35 14
VSBY                10 10 10 10 10  9  8  6  6  6  6  6  6  7  7 10            
POP 12HR                     20          70          90          50          20
RAIN SHWRS                         IS NM  O  O  O  O SC SC SC SC IS IS IS IS   
TSTMS                              IS SC IS                                    
MIX HGT             <1 <1 <1 <1  4  9  6 <1 <1 <1 <1  1  2  3  3 <1            
T WIND DIR          SW  W  W  N SW SW  W NW NE NE NE NE  N  N NE  N            
T WIND SPD           2  2  2  0 10 13 10 20  5  2 18 21 18 19 16 16            
DISPERSION          VP VP VP             PR PR PR PR             FR FR PR PR   
ADI                  1  1  1  0 57138 47 14  4  2 16 32 34 47 40 14            
MAX LVORI            3  3  5  4  1  1  1  4  6  8  5  4  4  1  1  2            
STABILITY            G  G  G  A  A  A  C  E  E  E  D  D  D  D  D  D            
CEILING              None  None  None  4800   100   100   700  1000  None      
STA PRES            29.09 29.06 29.06 29.05 29.08 29.15 29.29 29.35            


Date           04/27Tue 04/28/26Wed 04/29/26Thu 04/30/26Fri 05/01/26
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       69      43      70      52      78      52      74      48      69
TEMP          67 63 48 47 67 66 57 56 75 70 58 55 71 67 53 51 66 63
DEWPT         42 44 42 43 48 51 52 53 57 55 53 52 49 46 45 45 48 48
RH            40 50 80 86 50 58 83 90 54 59 83 90 46 47 74 80 52 58
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW FW B1 B2 SC SC B1 B1 B1 SC B1 B1 B1 B1 B1 B2
POP 12HR           10      10      50      20      50      30      30      40      60
RAIN SHWRS                SC SC IS IS SC SC SC IS SC SC SC SC SC NM
TSTMS                           IS       SC 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