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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 AM EDT Fri Apr 3 2026
NCZ003-032000-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
301 AM EDT Fri Apr 3 2026
Date Fri 04/03/26 Sat 04/04/26 Sun 04/05/26
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 60 78 61 69
TEMP 60 59 68 76 78 73 68 64 62 62 69 76 77 72 68 66 64 62 62 65 67 62
DEWPT 55 57 59 58 55 55 57 59 59 61 61 61 61 60 60 61 61 60 61 58 51 45
MAX/MIN RH 44 97 56 96 53
RH 84 93 73 54 45 53 68 84 90 97 76 60 58 66 76 84 90 93 97 78 56 54
WIND DIR SW SW SW SW S S S SW SW SW SW S S SW SW SW SW SW SW W W NW
WIND SPD 6 5 8 8 8 6 6 5 5 5 8 10 11 10 11 13 13 13 10 8 8 8
WIND GUST 18 20 21 24 20
CLOUDS SC B1 SC SC SC B1 SC B1 B2 B2 B1 B1 B1 SC SC B2 B2 OV OV OV B2 SC
CLOUDS(%) 33 69 48 33 27 57 49 59 78 73 55 65 65 49 46 73 86 96 96 89 76 50
VSBY 10 9 10 10 10 10 10 10 10 9 10 10 7 10 10 10 10 10 10 10 10 10
POP 12HR 5 5 50 60 90
RAIN SHWRS SC SC IS IS NM NM O O NM NM
TSTMS IS IS IS IS
MIX HGT <1 <1 3 5 6 <1 <1 <1 <1 <1 2 3 5 <1 <1 2 1 2 2 2 3 <1
T WIND DIR S SW SW SW SW S S SW SW SW SW SW SW SW SW SW SW SW SW W W W
T WIND SPD 5 10 13 14 12 11 4 3 3 3 11 11 17 11 10 10 12 17 10 14 8 4
DISPERSION PR PR PR PR PR FR FR FR FR PR
ADI 3 11 47 90 89 8 3 2 2 4 23 30 52 10 9 12 14 31 20 31 19 4
MAX LVORI 5 5 3 1 1 2 3 5 6 8 3 2 1 3 4 4 5 4 5 3 2 2
STABILITY F D B B B E E E E D D D D D D D D D D D D D
CEILING None None None 14800 700 1800 None 1600 500 2600
STA PRES 29.24 29.18 29.18 29.17 29.19 29.08 29.04 28.97 28.98 28.95
Date Mon 04/06/26Tue 04/07/26Wed 04/08/26Thu 04/09/26
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 43 65 41 61 33 60 36 69
TEMP 50 44 61 59 46 43 58 53 39 35 56 54 42 39 66 62
DEWPT 37 34 31 32 33 32 25 20 21 21 23 25 28 30 37 38
RH 61 68 32 36 60 65 28 27 48 56 27 32 57 70 34 41
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW FW FW SC FW FW CL CL FW FW FW SC FW FW
POP 12HR 5 0 0 0 0 0 0 0
$$
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