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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Wed Apr 8 2026
NCZ001-090800-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
231 PM EDT Wed Apr 8 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 32 57 38 66 46
TEMP 47 42 39 36 33 34 45 55 55 48 43 40 41 44 58 65 63 55 50 47 46 49
DEWPT 17 20 21 20 23 23 25 26 26 26 27 26 27 28 30 31 32 35 35 34 33 35
MIN/MAX RH 68 31 57 28 61
RH 30 41 48 52 66 64 45 32 32 42 53 57 57 53 34 28 31 47 56 60 60 58
WIND DIR SE SE SE SE SE S S SE S S S S SW W W W W W W W W NW
WIND SPD 10 12 11 10 8 6 5 5 6 8 5 5 5 5 4 4 5 8 9 10 11 12
CLOUDS B1 B1 B1 SC FW SC SC SC SC FW CL CL CL CL CL FW CL CL FW FW FW SC
CLOUDS(%) 52 63 51 48 25 33 32 40 29 24 4 5 4 4 3 6 5 4 10 14 17 34
VSBY 10 10 10 10 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 3 <1 <1 <1 <1 <1 1 3 3 <1 <1 <1 <1 <1 3 5 6 <1
T WIND DIR SE SE SE SE SE S S N NW S S SW W NW W W W W
T WIND SPD 6 11 9 6 4 5 4 0 1 6 3 3 2 3 6 8 8 3
DISPERSION FR FR FR PR PR PR PR PR PR PR FR FR
ADI 22 10 8 6 3 6 7 0 4 5 2 2 1 3 23 53 55 2
MAX LVORI 2 2 2 2 3 3 2 2 2 2 2 3 3 2 2 1 1 2
STABILITY B D D D E B A A B E F F F A A A A E
CEILING None None None None None None None None None None
STA PRES 26.99 27.02 27.00 27.03 26.98 26.98 26.95 26.97 26.92
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 53 75 56 74
TEMP 66 59 50 50 65 62 54 53 67 63 56 56 72 67 58 58 72 66
DEWPT 41 45 43 44 43 42 42 45 43 43 45 47 48 48 49 50 49 50
RH 40 60 77 80 45 48 64 74 42 48 66 72 42 50 72 75 44 56
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW FW FW SC SC B1 B1 B1 SC SC SC SC SC SC SC B1
POP 12HR 10 0 0 0 0 0 5 5 30
RAIN SHWRS SC
$$
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