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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
101 AM EDT Fri Apr 17 2026

NCZ003-180800-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
101 AM EDT Fri Apr 17 2026

Date           04/16/26      Fri 04/17/26            Sat 04/18/26            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                 58          85          56          88          52
TEMP                   65 61 61 75 82 84 77 66 61 57 61 77 85 87 78 70 65 59 52
DEWPT                  57 56 56 55 49 47 49 49 49 48 50 54 55 54 56 56 55 53 46
MIN/MAX RH                   89          27          72          33          84
RH                     75 84 84 50 32 28 37 54 65 72 67 45 36 32 47 61 70 80 80
WIND DIR                W  W  W NW NW NW  W NW NW  N  N  S  S SW SW SW  W NW NW
WIND SPD                3  2  2  3  5  3  1  1  1  0  0  2  5  5  2  2  2  5  9
WIND GUST                                                                 16 24
CLOUDS                 B2 FW FW CL FW FW SC FW SC SC SC SC SC B1 B1 B1 B1 B2 B2
CLOUDS(%)              72 24 15  4 11 24 26 21 31 36 26 33 30 56 68 63 65 78 79
VSBY                   10 10 10 10 10 10 10 10 10 10 10 10  7  7  7  7  6  6   
POP 12HR                     40           0           0          10          50
RAIN SHWRS             SC                                        SC SC SC SC SC
TSTMS                                                            IS            
MIX HGT                <1 <1 <1  5  7  8 <1 <1 <1 <1 <1  4  7  8 <1            
T WIND DIR             NW NW NW NW NW NW NW NW NW  N NW SW SW SW SW            
T WIND SPD             12  4  4 16 13 11  2  3  3  3  2 12 16 20  9            
DISPERSION             VP VP             VP VP VP VP             VP VP VP PR   
ADI                     6  2  5 98121102  1  2  2  2  2 62138103  4            
MAX LVORI               4  5  4  1  1  1  2  3  3  3  3  1  1  1  2            
STABILITY               F  F  A  A  A  A  G  G  G  G  A  A  A  C  F            
CEILING                    None  None  None  None  None  None  None  4300      
STA PRES                  28.11 28.13 28.09 28.10 28.09 28.08 28.01            


Date           04/19Mon 04/20/26Tue 04/21/26Wed 04/22/26Thu 04/23/26
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       64      37      64      35      72      47      79      50      80
TEMP          61 57 45 40 61 57 38 39 69 66 50 52 76 72 55 54 77 72
DEWPT         35 27 24 22 22 21 22 20 31 35 35 39 41 43 44 44 47 46
RH            38 31 43 48 22 24 52 46 24 32 56 61 28 35 66 69 35 39
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 SC FW CL FW CL CL CL FW FW FW FW SC SC FW FW FW FW
POP 12HR           40       5       0       0       0       0       5       5      10
RAIN SHWRS    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