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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
335 AM EDT Sat Apr 4 2026
NCZ003-042000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
335 AM EDT Sat Apr 4 2026
Date Sat 04/04/26 Sun 04/05/26 Mon 04/06/26
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 79 57 68 40 66
TEMP 60 60 73 78 76 70 66 63 62 60 63 67 67 59 52 47 42 41 53 62 64 57
DEWPT 55 57 62 62 62 62 61 61 60 59 59 55 49 43 38 36 33 32 33 33 32 33
MAX/MIN RH 58 100 52 73 30
RH 84 90 68 58 62 76 84 93 93 96 87 65 52 55 59 65 70 70 46 33 30 40
WIND DIR SE SE S S S S S S S SW W W NW NW NW NW NW NW NW NW NW NW
WIND SPD 1 1 4 8 8 4 3 4 5 5 4 4 5 4 5 6 4 3 4 5 4 2
WIND GUST 18 16 16 17 18 16 16 17 19 21 18 14
CLOUDS SC SC B1 B1 B1 B1 B2 OV OV OV OV B2 B1 SC FW FW FW FW FW FW FW FW
CLOUDS(%) 43 32 52 57 65 60 75 89 92 98 98 87 67 49 20 14 13 11 8 9 14 20
VSBY 10 10 10 10 10 10 10 10 8 5 4 7 7 7 10 10 10 10 10 10 10 10
POP 12HR 30 80 100 0 0
RAIN SHWRS IS SC O O SC SC
TSTMS IS IS
MIX HGT <1 <1 3 5 4 1 1 1 1 1 2 3 4 2 2 2 1 2 4 6 7 <1
T WIND DIR SW SW SW SW S S SW SW S S NW W W NW NW NW NW NW NW W W NW
T WIND SPD 4 8 11 16 18 17 16 14 11 18 13 19 14 14 13 10 10 16 14 17 19 12
DISPERSION VP VP VP VP PR VP PR PR VP VP
ADI 2 8 28 48 52 12 7 10 8 26 25 50 43 10 6 5 5 39 71119147 6
MAX LVORI 5 5 3 1 1 3 4 5 5 4 4 1 1 2 3 3 3 3 1 1 1 2
STABILITY F A D D D E F E E D D D D E F F F B B B B G
CEILING None 0 0 0 0 0 None None None None
STA PRES 28.32 28.23 28.20 28.11 28.12 28.10 28.15 28.16 28.20 28.13
Date Tue 04/07/26Wed 04/08/26Thu 04/09/26Fri 04/10/26
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 40 60 31 60 34 68 43 74
TEMP 45 42 58 53 37 33 56 53 39 37 64 59 48 47 71 66
DEWPT 33 31 26 23 19 19 24 27 29 31 37 40 41 43 48 47
RH 62 65 29 31 48 56 29 36 67 79 37 49 77 86 44 50
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW FW FW FW FW SC SC FW FW SC SC FW
POP 12HR 0 0 0 0 0 5 5 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