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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
702 PM EDT Tue Apr 7 2026
NCZ003-080800-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
702 PM EDT Tue Apr 7 2026
Date 04/07/26 Wed 04/08/26 Thu 04/09/26 Fri
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 35 58 35 65 41
TEMP 56 49 44 38 37 46 55 58 53 45 41 37 36 50 60 64 58 49 44 42 43
DEWPT 23 20 19 18 18 18 20 19 21 22 24 26 28 30 30 31 32 34 34 33 33
MIN/MAX RH 49 22 75 28 72
RH 27 31 36 44 46 32 25 22 28 40 50 64 72 46 32 29 37 56 68 70 67
WIND DIR NE NE NE NE NE NE E E E E E NE NE E E E E NE N N NW
WIND SPD 6 8 12 10 10 9 6 6 5 5 5 5 5 4 3 3 2 2 3 2 2
WIND GUST 20
CLOUDS CL CL FW CL CL CL SC SC SC SC SC SC SC SC SC SC FW CL CL CL CL
CLOUDS(%) 4 4 6 3 3 4 26 26 31 39 47 44 42 30 27 29 7 5 5 4 5
VSBY 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 <1 <1 <1 <1 2 3 4 4 <1 <1 <1 <1 <1 2 4 4 <1
T WIND DIR NE NE NE NE NE E E E E E E NE NE E SE SE SE
T WIND SPD 8 6 9 9 18 13 10 9 11 5 3 2 4 3 2 2 2
DISPERSION PR PR FR FR PR PR PR PR VP VP VP VP
ADI 5 5 8 6 40 48 48 44 5 3 2 2 4 10 11 12 1
MAX LVORI 2 2 2 2 1 1 1 1 2 2 2 3 3 2 2 2 2
STABILITY E E D E B B B B F F E E A A A A G
CEILING None None None None None None None None None
STA PRES 29.26 29.35 29.43 29.36 29.39 29.37 29.37 29.27
Date 04/10Sat 04/11/26Sun 04/12/26Mon 04/13/26Tue 04/14/26
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 75 48 80 53 78 56 80 58 83
TEMP 71 66 53 51 78 71 60 55 75 72 61 58 78 74 63 60 81 77
DEWPT 41 41 41 40 47 50 50 48 50 49 51 53 52 50 52 54 55 52
RH 34 40 64 66 33 47 69 77 41 44 70 83 40 43 67 81 41 42
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL CL FW SC SC SC FW FW FW FW SC SC SC SC SC SC SC
POP 12HR 0 0 5 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