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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
802 AM EDT Mon Apr 6 2026
NCZ003-062000-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
802 AM EDT Mon Apr 6 2026
Date Mon 04/06/26 Tue 04/07/26 Wed 04/08/26
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 66 42 63 37 59
TEMP 52 62 65 60 53 48 44 44 54 61 63 57 48 44 39 37 46 54 58 53
DEWPT 31 32 32 33 35 34 34 32 32 31 26 25 23 22 21 21 23 25 25 27
MAX/MIN RH 29 67 25 52 28
RH 44 32 29 36 50 58 68 62 43 32 24 29 37 41 48 52 40 32 28 36
WIND DIR NW NW NW NW NW NW N N N N N N NE NE NE NE E E E E
WIND SPD 5 5 6 5 5 5 5 5 6 6 6 6 8 10 10 9 8 6 6 5
CLOUDS SC FW FW SC B1 B1 SC SC FW FW FW FW FW FW FW FW FW FW SC SC
CLOUDS(%) 27 20 19 43 62 52 40 32 13 10 9 9 9 14 8 14 21 25 40 47
VSBY 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 6 7 <1 <1 <1 <1 <1 4 6 6 <1 <1 <1 <1 1 3 4 4 <1
T WIND DIR NW W W W W W NW N N N NW NE NE NE NE E E SE E E
T WIND SPD 9 10 14 8 3 3 3 2 10 9 8 3 5 11 12 13 10 8 9 12
DISPERSION PR PR PR PR PR PR FR FR PR
ADI 32 70114 5 2 2 2 2 52 60 54 2 4 8 8 25 40 40 48 8
MAX LVORI 1 1 1 2 2 3 3 3 1 1 1 2 2 2 2 2 1 1 1 2
STABILITY A A B E E E F A B B B F E E E B B B B E
CEILING None None None None None None None None None None
STA PRES 29.13 29.05 29.09 29.14 29.23 29.21 29.30 29.38 29.47 29.42
Date Thu 04/09/26Fri 04/10/26Sat 04/11/26Sun 04/12/26
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 37 65 45 72 48 80 54 81
TEMP 41 39 61 59 48 47 69 65 53 51 77 72 59 56 78 75
DEWPT 30 31 37 40 42 43 46 45 45 46 49 49 50 50 52 50
RH 65 73 41 49 80 86 44 48 74 83 37 44 72 80 40 41
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 SC SC SC SC SC FW FW FW FW FW FW FW SC
POP 12HR 5 5 10 5 5 10 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