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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
932 AM EDT Mon Apr 6 2026
NCZ005-062000-
RAWS 310540
36.38N 79.70W Elev. 858 ft
932 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 68 44 65 37 60
TEMP 54 64 67 62 54 51 47 46 56 62 64 58 48 44 39 37 48 56 60 54
DEWPT 29 28 28 31 34 34 34 33 31 29 26 23 22 21 20 20 22 22 22 26
MAX/MIN RH 23 63 23 50 23
RH 38 25 23 31 46 52 60 60 38 28 23 26 35 39 46 50 35 26 23 34
WIND DIR NW W W W W NW N N N N N NE NE NE NE NE NE E E E
WIND SPD 5 4 5 3 3 4 4 5 8 8 6 4 5 6 6 6 8 8 8 4
CLOUDS SC FW FW B1 B1 B1 SC SC FW FW FW FW FW FW FW FW FW FW SC SC
CLOUDS(%) 29 18 24 62 64 58 47 35 19 10 9 10 9 10 7 10 21 21 35 45
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 5 7 <1 <1 <1 <1 <1 4 6 6 <1 <1 <1 <1 1 3 5 5 <1
T WIND DIR N W W SW SW W N N N N N NE NE NE E E E E E E
T WIND SPD 8 8 12 3 3 3 4 4 10 9 8 5 6 9 10 14 11 8 10 10
DISPERSION VP VP VP VP VP PR PR PR VP
ADI 27 49110 2 2 2 3 4 52 60 57 3 3 4 5 27 47 43 58 7
MAX LVORI 2 1 1 2 2 2 3 3 1 1 1 2 2 2 2 2 1 1 1 2
STABILITY A A A F F E E A B B B F F F F B B B B E
CEILING None 20500 None None None None None None None
STA PRES 29.37 29.41 29.46 29.57 29.55 29.64 29.73 29.82 29.76
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 67 45 74 50 82 54 83
TEMP 42 39 63 61 49 47 71 67 54 52 79 73 61 57 81 76
DEWPT 30 32 37 39 42 45 46 45 47 48 50 49 50 51 52 51
RH 62 76 38 44 77 93 41 45 77 86 36 43 67 80 37 42
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