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

NCZ003-160800-
RAWS 310301
36.48N  80.86W Elev. 1300 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                 59          86          59          85          56
TEMP                71 67 63 63 75 81 85 78 70 64 60 62 75 83 84 77 66 60 57 60
DEWPT               51 51 51 52 53 50 51 50 52 54 54 55 56 52 50 52 50 49 48 50
MIN/MAX RH                   76          31          82          31          73
RH                  49 56 65 67 46 34 31 37 53 70 81 78 52 34 31 42 56 67 72 69
WIND DIR             W NW NW  W  W SW SW  W  W NW NW NW NW  W NW NW NW NW  N  N
WIND SPD             2  1  1  1  5  6  6  4  4  2  2  2  3  3  3  1  1  1  0  0
CLOUDS              B1 B1 SC FW FW FW FW FW SC B1 B1 FW FW FW FW FW FW SC SC SC
CLOUDS(%)           51 60 47 20 13 12 12 24 39 53 53 24 12 17 20 13 15 30 30 37
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0          10          20          10           0
RAIN SHWRS                                     IS IS                           
MIX HGT             <1 <1 <1 <1  5  7  7 <1 <1 <1 <1  1  4  7  7 <1            
T WIND DIR          SW  W NW NW  W  W SW SW  W NW NW NW NW NW NW NW            
T WIND SPD           4  3  3  4  8 12 13 10  8 11 12 12 19 13 13  9            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  2  2  2  5 51 99104  5  4  5  6 18 96118116  4            
MAX LVORI            2  3  3  3  1  1  1  2  2  3  4  3  1  1  1  2            
STABILITY            G  F  F  A  A  B  B  F  F  F  F  A  A  A  A  G            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            28.15 28.12 28.15 28.06 28.06 28.08 28.12 28.09            


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       88      49      68      37      65      36      73      45      79
TEMP          85 81 65 55 67 61 44 39 62 58 40 41 69 66 50 51 76 71
DEWPT         55 57 54 47 36 32 26 22 23 25 26 25 33 35 36 38 43 42
RH            36 44 68 74 32 33 49 50 22 28 57 52 26 32 58 61 31 35
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 B1 B2 B2 B1 FW FW CL FW CL CL FW FW FW FW FW FW
POP 12HR           10      50      30      10       5       0       0       5      10
RAIN SHWRS          SC 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