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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Fri Apr 3 2026
NCZ003-032000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
801 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 80 56 78 58 70
TEMP 68 77 79 73 66 61 59 58 69 75 77 72 67 64 62 59 62 66 68 62
DEWPT 59 58 56 56 56 57 57 58 62 62 62 61 61 61 60 59 59 55 48 44
MAX/MIN RH 46 99 60 100 48
RH 73 52 45 55 70 87 93100 78 64 60 68 81 90 93100 90 68 49 52
WIND DIR S S S S S S SE SE S S S S S S S SW W W W NW
WIND SPD 3 5 5 2 1 1 1 1 4 8 8 4 3 4 4 4 4 5 5 4
WIND GUST 19 16 16 17 16 14 16 16
CLOUDS SC SC SC B1 B1 SC B1 B1 B1 B2 B2 B1 B1 B2 OV OV OV B2 B1 SC
CLOUDS(%) 50 34 37 65 51 38 51 61 55 72 72 55 52 83 92 94 94 83 65 48
VSBY 10 10 10 10 10 10 10 9 10 10 7 10 10 10 10 10 10 10 10 10
POP 12HR 10 5 60 70 90
RAIN SHWRS IS IS NM NM SC SC NM NM O O SC SC
TSTMS IS IS IS
MIX HGT 3 5 6 1 <1 1 <1 <1 2 4 4 2 1 2 2 1 2 3 5 1
T WIND DIR SW SW S S S SW SW W SW SW S S S SW SW S W W W NW
T WIND SPD 13 13 12 11 5 5 3 2 9 10 14 13 17 14 13 11 8 13 11 10
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 46 81 88 5 3 3 2 2 20 27 43 9 8 10 9 19 16 33 46 7
MAX LVORI 3 1 1 3 3 6 8 9 3 2 1 3 4 5 6 5 5 3 1 2
STABILITY B B B F F G F C D D D E F E E D D D C E
CEILING None None None None 900 1900 1700 500 500 8100
STA PRES 28.39 28.34 28.34 28.33 28.34 28.24 28.20 28.13 28.15 28.12
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 40 65 38 60 30 61 34 69
TEMP 48 41 62 59 44 41 58 52 36 32 57 54 39 37 66 61
DEWPT 37 32 31 32 32 31 26 21 21 21 25 27 28 29 38 39
RH 65 70 31 36 62 67 29 29 54 63 29 35 64 72 36 44
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW FW FW SC FW FW FW FW FW FW FW FW 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