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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EDT Wed Apr 29 2026

NCZ003-292000-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
401 AM EDT Wed Apr 29 2026

Date             Wed 04/29/26            Thu 04/30/26            Fri 05/01/26
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                 76          48          67          40          68
TEMP          56 55 60 69 75 70 60 54 50 50 59 65 66 61 50 45 42 44 58 65 67 62
DEWPT         56 55 60 63 62 58 53 48 45 43 43 40 37 35 34 33 33 34 37 38 40 41
MAX/MIN RH                   62          83          34          71          36
RH           100100100 81 64 66 78 80 83 77 55 40 34 38 54 62 70 68 45 37 37 46
WIND DIR       E SE  S SW  W  W NW NW NW NW NW NW NW NW NW NW NW NW  W SW SW  W
WIND SPD       2  1  3  5  6  5  5  3  3  5  6  6  6  3  2  2  1  1  2  5  5  2
WIND GUST                 18 19 17 16 14 17 17 17 17 13                        
CLOUDS        OV OV OV B2 B1 B1 B1 SC B2 SC FW FW FW FW SC B1 B1 B1 SC SC B1 B2
CLOUDS(%)     97 98 93 78 66 56 52 45 76 43 21 12 16 20 37 56 67 66 41 47 68 78
VSBY           2  3  4  6  7 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     90          10           5           5          10
RAIN SHWRS       NM SC SC SC                                                 IS
TSTMS            IS IS SC SC                                                   
MIX HGT       <1 <1  1  2  3  1  1  1  1  3  5  6  7  1 <1  1 <1  1  4  7  7 <1
T WIND DIR     S  S  S  S  W NW NW NW NW NW NW  W NW NW NW  N  N  N  W SW SW  S
T WIND SPD     2  3  8 11 14 20 16 18 20 18 14 10 13 16 12  9  3  4  4  4  6  6
DISPERSION    VP             PR PR VP VP             VP VP VP VP             VP
ADI            1  4 13 33 51 14 11  8  9 61 83 71102  7  6  4  2  9 25 40 32  3
MAX LVORI     10  9  5  3  1  3  4  4  4  3  1  1  1  2  2  3  3  3  2  1  1  2
STABILITY      F  B  B  C  C  E  E  F  F  A  B  B  B  G  G  F  F  A  A  A  C  F
CEILING               400  1700  None  7900  None  None  None 15300  None 14200
STA PRES            27.93 27.84 27.92 27.95 28.01 27.98 28.06 28.07 28.06 27.99


Date          Sat 05/02/26Sun 05/03/26Mon 05/04/26Tue 05/05/26
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       44      62      35      66      39      71      45      76
TEMP          50 45 57 56 42 40 62 60 45 45 68 64 50 50 72 68
DEWPT         41 40 42 36 30 30 32 34 34 36 41 43 45 45 46 47
RH            71 82 57 47 62 67 32 37 65 70 37 46 83 83 39 47
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B1 SC CL FW FW FW FW FW B1 SC SC SC SC
POP 12HR           40      40       5       0       5      10      20      30
RAIN SHWRS    IS SC SC SC                            IS IS SC
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