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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
433 AM EDT Thu Apr 9 2026
NCZ003-092000-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
433 AM 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 64 42 75 49 80
TEMP 35 36 51 58 63 57 52 48 46 44 60 71 74 67 58 52 49 52 71 79 77 69
DEWPT 30 30 26 25 26 27 29 28 29 31 36 39 40 41 40 41 40 41 47 49 50 50
MAX/MIN RH 24 61 28 71 35
RH 82 79 37 28 24 31 41 46 51 60 41 31 29 39 51 66 71 66 42 35 39 51
WIND DIR NE NE E E E E SE N NW W SW S S S SW W NW NW NW NW N NE
WIND SPD 5 5 2 2 2 3 3 3 3 2 2 4 5 5 4 4 4 4 4 4 4 4
CLOUDS SC SC SC SC SC CL CL CL CL CL CL CL CL CL FW FW FW FW SC SC SC SC
CLOUDS(%) 32 35 48 40 28 3 2 3 2 4 3 4 4 5 6 13 23 23 30 33 40 36
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 10
MIX HGT <1 <1 2 3 4 <1 <1 <1 <1 <1 2 3 4 <1 <1 <1 <1 <1 3 8 5 <1
T WIND DIR NE NE E E E E E N N NW SW SW SW SW SW W W W NW NW N S
T WIND SPD 2 3 4 2 2 2 2 2 2 2 4 4 6 3 3 2 3 2 10 9 2 1
DISPERSION PR VP VP VP VP PR VP VP VP VP
ADI 1 3 12 10 11 1 1 1 1 2 12 20 38 2 2 1 2 2 44 82 16 1
MAX LVORI 5 4 2 2 2 2 2 2 2 3 2 2 1 2 2 3 3 3 1 1 2 2
STABILITY F A A A A G G G G A A A A F F F F A A A A F
CEILING None None None None None None None None None None
STA PRES 29.41 29.32 29.32 29.30 29.30 29.20 29.20 29.19 29.24 29.22
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 53 79 57 80 58 86 60 88
TEMP 59 54 76 73 62 59 77 74 62 59 83 79 66 62 86 82
DEWPT 49 49 51 47 49 51 50 48 50 51 54 52 51 53 54 53
RH 69 83 42 40 62 75 39 40 65 75 37 39 58 72 34 37
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW FW SC B1 B1 SC SC FW SC SC SC SC SC SC
POP 12HR 5 0 0 0 0 0 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