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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Wed Apr 8 2026
NCZ003-090800-
RAWS 310301
36.48N 80.86W Elev. 1300 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 33 65 39 77 48
TEMP 59 54 45 40 35 36 50 61 65 58 48 43 40 43 63 74 76 68 56 51 49 51
DEWPT 20 24 24 23 26 28 29 29 28 30 29 29 29 31 36 39 39 42 40 39 36 38
MIN/MAX RH 77 25 65 26 63
RH 22 31 43 50 69 72 44 29 25 34 47 57 64 62 36 28 26 39 55 63 61 61
WIND DIR E E E NE N N E SE SE N N N N N N S S SW W NW NW NW
WIND SPD 3 1 1 1 0 0 1 2 2 0 0 0 0 0 0 2 2 1 1 1 1 2
CLOUDS B1 B1 SC SC SC SC SC SC SC FW CL CL FW CL CL CL CL CL FW FW FW SC
CLOUDS(%) 51 68 46 45 30 35 33 36 27 20 3 5 6 5 4 4 5 5 9 8 16 29
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 5 <1 <1 <1 <1 <1 2 3 4 <1 <1 <1 <1 <1 3 6 6 <1
T WIND DIR SE SE E E E E S S S S S W NW NW W W W S
T WIND SPD 6 9 4 3 2 3 3 3 2 4 1 2 2 3 2 5 6 4
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 40 4 2 2 1 3 10 15 11 2 1 1 1 3 8 39 53 2
MAX LVORI 1 2 2 2 3 3 2 2 2 2 2 3 3 3 2 1 1 2
STABILITY A F F F G A A A A G G G G A A A A G
CEILING None None None None None None None None None None
STA PRES 28.48 28.51 28.51 28.54 28.46 28.46 28.42 28.42 28.35
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 80 50 79 53 83 56 87 58 88
TEMP 79 71 56 52 76 72 58 55 80 75 62 58 84 79 64 60 85 79
DEWPT 48 52 49 49 52 48 47 49 49 49 49 50 54 52 52 53 55 54
RH 34 51 77 89 43 42 67 80 34 40 62 75 36 39 65 78 36 42
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC FW FW SC SC B1 B1 B1 SC SC SC SC SC SC SC B1
POP 12HR 10 5 0 0 0 0 5 5 20
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