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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Sat Apr 18 2026

NCZ003-182000-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
801 AM EDT Sat Apr 18 2026

Date             Sat 04/18/26            Sun 04/19/26            Mon 04/20/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 87          51          64          41          64
TEMP                77 84 86 81 75 69 61 54 54 60 62 57 50 44 42 44 56 62 64 57
DEWPT               54 54 53 54 55 57 51 41 36 30 25 24 25 26 28 29 30 28 24 23
MAX/MIN RH                   32          71          24          58          22
RH                  45 36 32 39 50 66 70 61 50 32 24 28 37 49 57 55 37 27 22 27
WIND DIR            SW SW SW  S SW  W NW NW NW NW NW NW NW  W  W NW NW NW NW NW
WIND SPD             4  9 10  9  8  6 12 18 12 10 11 10  5  4  5  5  8 10 10  9
WIND GUST                                31 26 21                   18 21 20   
CLOUDS              FW SC SC SC B1 B1 B2 OV B2 B1 SC CL CL CL FW FW FW FW CL CL
CLOUDS(%)           25 44 35 43 62 65 79 91 82 56 28  3  3  5  6 19  9 22  5  3
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10               
POP 12HR                      5          40          30           0           0
RAIN SHWRS                      IS IS IS SC SC                                 
MIX HGT              3  7  8 <1 <1 <1  2  2  3  6  7 <1                        
T WIND DIR          SW SW SW SW SW  W NW NW NW NW NW NW                        
T WIND SPD          14 16 17  5  5  8 17 25 23 24 20 11                        
DISPERSION                   PR PR PR FR             FR PR VP PR             PR
ADI                 59122139  5  5  5 19 53 56156 96  8                        
MAX LVORI            1  1  1  2  2  3  3  1  1  1  1  2                        
STABILITY            A  B  B  D  D  E  D  D  D  B  C  E                        
CEILING              None  None  None  2500  5100  None  None                  
STA PRES            28.91 28.83 28.80 28.83 29.00 29.02                        


Date          Tue 04/21/26Wed 04/22/26Thu 04/23/26Fri 04/24/26
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       36      67      47      81      52      81      55      85
TEMP          40 40 63 63 50 50 78 73 57 56 79 74 60 58 83 77
DEWPT         22 20 26 31 33 34 40 42 44 46 48 48 48 48 47 48
RH            48 44 24 30 52 54 26 33 62 69 34 40 64 69 28 36
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    CL CL FW FW FW SC SC FW FW FW FW FW SC FW FW SC
POP 12HR            0       0       0       5       0       5       0       5

$$


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