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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1202 PM EDT Mon Apr 6 2026
NCZ003-062000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
1202 PM 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 67 39 64 31 60
TEMP 64 66 60 51 47 42 42 54 61 62 54 45 40 35 33 46 55 59 53
DEWPT 28 30 31 33 33 32 31 30 29 26 23 21 20 18 18 21 22 23 26
MAX/MIN RH 25 67 25 57 24
RH 25 26 33 50 58 67 65 40 29 25 30 38 44 49 53 37 27 25 35
WIND DIR NW NW W W W NW N NW N N N N NE NE NE E E E E
WIND SPD 4 5 2 2 2 2 3 5 5 4 2 2 2 1 2 3 4 4 2
WIND GUST 13
CLOUDS FW SC B1 SC SC SC SC FW SC FW FW CL FW FW FW FW FW SC SC
CLOUDS(%) 23 41 58 43 48 42 46 23 32 16 6 5 6 7 6 10 16 31 45
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 0
MIX HGT 6 7 <1 <1 <1 <1 2 4 5 6 <1 <1 <1 1 2 3 4 4 <1
T WIND DIR NW NW NW W NW NW N N N N N NE NE E E E E SE E
T WIND SPD 13 16 8 3 4 8 13 19 14 10 11 8 6 12 14 10 9 10 11
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 102137 4 2 2 4 28 92100 73 5 4 3 6 36 40 44 54 5
MAX LVORI 1 1 2 2 3 3 2 1 1 1 2 2 2 2 1 1 1 1 2
STABILITY A A F F F F A A A A G G G G A A A A F
CEILING None None None None None None None None None
STA PRES 28.20 28.24 28.25 28.35 28.35 28.43 28.50 28.56 28.51
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 33 65 39 75 46 81 51 80
TEMP 39 34 60 57 42 42 71 65 50 49 78 71 55 54 78 73
DEWPT 27 29 36 39 39 37 44 44 41 41 48 51 48 47 52 52
RH 62 82 41 51 89 82 38 46 71 74 35 49 77 77 40 48
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC SC FW FW FW FW FW FW FW SC FW FW FW FW
POP 12HR 5 5 10 10 5 5 0 0
$$
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