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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Thu Apr 9 2026
NCZ001-100800-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
231 AM EDT Thu Apr 9 2026
Date 04/08/26 Thu 04/09/26 Fri 04/10/26 Sat
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
MIN/MAX TEMP 31 56 40 66 46
TEMP 32 33 46 51 55 51 47 44 42 45 57 63 65 58 50 48 47 49
DEWPT 22 23 24 28 29 27 27 24 23 26 33 35 35 36 35 34 35 37
MIN/MAX RH 71 36 51 33 65
RH 66 66 42 41 37 39 45 45 46 47 40 35 33 44 56 58 63 63
WIND DIR S S SE SE SE SE S S SW NW W W W W W W W NW
WIND SPD 8 5 3 4 4 6 5 5 5 5 4 4 5 8 9 10 11 12
CLOUDS SC B1 SC SC FW CL CL CL CL FW CL CL CL FW FW FW FW FW
CLOUDS(%) 35 54 33 32 20 3 2 4 3 6 3 4 5 11 10 16 18 22
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT <1 <1 1 3 3 <1 <1 <1 <1 <1 2 5 5 <1 <1 <1 <1 <1
T WIND DIR SE SE S E E SE S S SW W NW W W W NW NW NW NW
T WIND SPD 3 4 2 2 1 6 3 2 2 3 5 5 5 3 4 6 8 8
DISPERSION PR PR PR PR PR PR PR FR FR
ADI 2 4 4 9 4 3 2 1 1 3 14 35 36 2 3 5 5 6
MAX LVORI 3 3 2 2 2 2 2 2 2 2 2 1 1 2 3 3 3 3
STABILITY E A A A A F F F F A A A A E E E E C
CEILING None None None None None None None None None
STA PRES 27.00 27.03 26.98 26.99 26.96 26.98 26.92 26.94 26.93
Date 04/11Sun 04/12/26Mon 04/13/26Tue 04/14/26Wed 04/15/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MAX/MIN TEMP 67 48 68 51 69 52 74 54 75
TEMP 66 58 51 50 67 62 54 53 66 63 54 55 72 67 57 57 72 68
DEWPT 44 46 45 44 44 41 42 45 43 45 46 47 49 50 47 48 48 50
RH 45 64 80 80 43 46 64 74 43 52 74 74 44 54 69 72 42 52
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW FW FW FW SC B1 B1 B1 SC SC SC SC SC SC SC SC
POP 12HR 20 5 0 0 0 0 5 0 10
RAIN SHWRS 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