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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 PM EDT Thu Apr 9 2026
NCZ003-092000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
1231 PM EDT Thu Apr 9 2026
Date Thu 04/09/26 Fri 04/10/26 Sat 04/11/26
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 63 40 77 49 80
TEMP 59 62 57 48 44 42 44 64 74 76 67 57 53 50 53 71 79 78 69
DEWPT 30 30 33 29 28 28 30 37 38 40 42 41 39 38 41 47 49 51 52
MAX/MIN RH 30 60 26 67 35
RH 33 30 40 47 53 57 57 37 27 27 40 55 59 63 64 42 35 39 55
WIND DIR SE SE N N N N NW S S S SW W NW NW NW NW NW N N
WIND SPD 2 2 0 0 0 0 1 1 2 2 1 1 1 2 2 2 2 2 1
CLOUDS SC SC FW CL CL CL CL CL CL FW FW FW FW FW SC SC SC SC SC
CLOUDS(%) 39 26 8 3 5 5 4 5 5 6 13 11 14 18 38 39 35 37 40
VSBY 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 20
RAIN SHWRS IS IS
MIX HGT 3 4 <1 <1 <1 <1 <1 2 5 6 <1 <1 <1 <1 <1 4 7 5 <1
T WIND DIR S S SE N NW NW NW W W SW S W NW NW NW NW NW NW NW
T WIND SPD 4 3 4 0 2 2 2 4 4 6 4 3 5 5 6 9 9 8 2
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 20 17 2 0 1 1 2 13 29 48 2 2 3 3 7 45 76 53 1
MAX LVORI 2 2 2 2 2 3 3 2 2 1 2 2 3 3 3 1 1 1 3
STABILITY A A G G G G A A A A G G G G A A A A G
CEILING None None None None None None None None None
STA PRES 28.46 28.47 28.42 28.43 28.35 28.36 28.34 28.40 28.38
Date Sun 04/12/26Mon 04/13/26Tue 04/14/26Wed 04/15/26
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 51 79 53 80 54 87 57 89
TEMP 56 53 76 72 58 56 78 74 59 58 84 79 62 61 87 80
DEWPT 48 47 51 47 47 48 50 49 49 49 55 55 53 53 55 53
RH 74 80 42 41 67 74 37 41 69 72 37 44 72 75 34 39
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC SC SC B1 B1 B1 SC SC SC SC SC SC SC SC
POP 12HR 5 0 0 0 0 5 0 5
$$
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