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

NCZ001-182000-
RAWS 310142
36.40N  81.46W Elev. 4608 ft
932 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                 74          38          49          39          50
TEMP                69 72 71 67 62 58 49 40 40 48 49 46 42 40 39 40 43 48 49 44
DEWPT               43 45 49 52 55 54 46 36 29 22 19 20 22 24 26 27 25 23 22 20
MAX/MIN RH                   37          95          30          61          34
RH                  39 38 46 59 78 86 89 85 64 35 30 35 44 52 59 59 49 37 34 38
WIND DIR            SW SW SW SW  W  W NW NW NW NW NW NW NW  W  W NW NW NW NW NW
WIND SPD            10 12 12 12 14 19 29 37 33 26 25 24 21 19 20 21 24 21 20 17
CLOUDS              FW SC B2 B1 B1 B2 OV OV B1 B1 FW CL CL FW FW FW FW FW CL CL
CLOUDS(%)            8 26 75 64 67 85 88 88 67 55 13  4  4  6 11 11 10 13  5  3
VSBY                10 10 10 10  9  9  8  7 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     10          70          30           0           0
RAIN SHWRS                   SC SC NM SC SC SC                                 
TSTMS                        SC                                                
MIX HGT              4  7  5 <1 <1 <1  1  1  2  4  4  1 <1 <1 <1  1  4  5  5  1
T WIND DIR          SW SW SW SW  W  W NW NW NW NW NW NW NW NW NW NW NW NW NW NW
T WIND SPD          12 14 14 16  9 16 26 36 37 34 28 14 12 12  9 14 19 28 24 13
DISPERSION                   FR GD GD GD             GD GD GD GD             GD
ADI                 64 69 46 14  8 14 24 50 77 92106 13 11 11  8 25 74122100 15
MAX LVORI            1  1  1  2  4  4  4  4  1  1  1  2  2  2  2  2  1  1  1  2
STABILITY            B  C  D  D  D  D  D  D  D  D  C  D  D  D  D  C  C  C  C  D
CEILING                    1600   700   300   400  None  None  None  None  None
STA PRES                  26.62 26.61 26.62 26.70 26.72 26.78 26.80 26.86 26.85


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       33      59      45      65      49      69      51      71
TEMP          35 37 57 54 47 50 63 60 51 53 66 62 53 55 68 65
DEWPT         20 23 28 32 32 36 37 38 40 43 43 43 41 43 41 43
RH            54 56 33 43 56 58 38 44 66 69 43 50 64 64 37 45
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    CL CL CL FW FW FW FW FW FW FW CL FW FW FW FW SC
POP 12HR            0       0       0      10       0      10       0      10

$$


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