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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Wed Apr 15 2026

VAZ018-160800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
801 PM EDT Wed Apr 15 2026

Date           04/15/26      Thu 04/16/26            Fri 04/17/26            Sat
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                 61          86          61          82          58
TEMP                72 68 65 65 75 81 85 75 69 65 62 63 73 80 82 73 64 59 58 60
DEWPT               46 46 47 49 49 48 47 47 49 54 55 55 54 50 48 48 48 47 47 49
MIN/MAX RH                   62          26          80          31          70
RH                  39 45 52 56 40 32 27 37 49 68 78 75 51 35 31 41 56 64 67 67
WIND DIR             W  W  W  W  W SW SW  W  W  W  W  W NW NW  W NW  W  W  W SW
WIND SPD             6  6  6  8 10 10 11  9  8  5  5  5  6  6  5  2  1  1  1  1
WIND GUST                                20 19 20 19 21 21 19 17               
CLOUDS              SC B1 B1 SC FW FW SC SC B2 B1 B1 SC FW FW FW FW FW SC SC SC
CLOUDS(%)           37 63 55 30 13 14 28 26 71 65 60 44 25 18 12 17 15 32 35 37
VSBY                10 10 10 10 10 10 10  9  9  9  9 10  9 10  9 10  9 10  9 10
POP 12HR                      0          20          40          20           0
RAIN SHWRS                               SC SC IS IS IS                        
MIX HGT             <1 <1 <1 <1  4  6  7 <1 <1 <1 <1 <1  4  7  5 <1            
T WIND DIR          SW  W  W  W  W  W SW SW  W  W NW  W NW NW NW NW            
T WIND SPD           5  4  5  4  9 14 17 12 18 11 13 13 26 20 16 12            
DISPERSION          PR PR PR             PR PR PR PR             VP VP VP VP   
ADI                  3  3  4  5 38104 82 11 16  8  9 16126148102  6            
MAX LVORI            2  2  2  3  1  1  1  2  2  3  4  3  1  1  1  2            
STABILITY            F  E  E  B  B  B  C  D  D  E  E  A  B  B  A  G            
CEILING              None  None  None  None 15800  1400  None  None  None      
STA PRES            27.81 27.79 27.79 27.70 27.72 27.73 27.77 27.75            


Date           04/18Sun 04/19/26Mon 04/20/26Tue 04/21/26Wed 04/22/26
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       87      49      64      37      60      37      73      49      76
TEMP          86 78 64 53 63 55 42 39 56 51 39 40 69 63 53 52 73 67
DEWPT         52 52 52 45 33 27 23 20 19 19 21 24 32 34 35 39 42 40
RH            31 40 65 74 32 34 46 46 23 28 48 52 25 34 50 61 33 37
WIND SPD          <15     <15     15>     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 B2 B1 B2 B1 FW FW FW FW CL CL FW SC FW FW FW SC
POP 12HR           20      60      40      10       5       0       0       5      10
RAIN SHWRS       IS NM SC SC 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