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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
802 PM EDT Tue Apr 7 2026
NCZ003-080800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
802 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 32 59 32 66 40
TEMP 46 41 35 34 46 56 58 52 44 38 33 35 50 62 65 58 48 43 40 43
DEWPT 20 19 18 17 19 22 21 24 22 23 25 27 31 32 33 35 33 33 31 33
MIN/MAX RH 55 24 73 30 71
RH 35 41 49 49 34 26 23 33 41 54 72 72 48 32 30 42 56 67 70 67
WIND DIR NE E E E E E SE E E SE N N E SE SE SE N N NW NW
WIND SPD 4 4 3 3 5 5 5 3 2 1 0 0 1 2 2 1 0 0 1 1
CLOUDS CL CL FW CL FW FW FW SC SC SC SC SC SC SC FW CL CL CL FW CL
CLOUDS(%) 3 5 6 5 6 14 25 32 41 46 44 43 35 26 24 5 5 5 6 5
VSBY 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 2 3 4 4 <1 <1 <1 <1 <1 3 4 4 <1
T WIND DIR NE NE E E E E SE SE E E E E SE S S S
T WIND SPD 10 5 14 14 10 8 9 10 5 3 2 2 3 3 2 3
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 5 3 7 34 39 40 49 5 3 2 1 2 11 16 11 2
MAX LVORI 2 2 2 1 1 1 1 2 2 2 3 3 2 2 2 2
STABILITY G G G A A A A G F F F A A A A G
CEILING None None None None None None None None None
STA PRES 28.41 28.47 28.54 28.49 28.51 28.48 28.48 28.41
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 77 47 80 50 79 52 81 54 84
TEMP 74 66 51 50 78 71 56 52 76 72 58 55 79 74 61 58 82 77
DEWPT 43 44 41 40 49 52 49 48 52 50 50 51 53 51 51 52 56 53
RH 33 45 68 68 36 51 77 86 43 46 75 86 41 44 70 80 41 43
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL CL FW SC SC SC FW SC FW FW SC SC SC SC SC SC SC
POP 12HR 0 0 10 5 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