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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
702 PM EDT Tue Apr 7 2026
VAZ018-080800-
RAWS 444002
37.56N 80.18W Elev. 2702 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 30 57 34 66 42
TEMP 47 41 36 31 32 44 53 57 48 42 37 34 35 52 62 65 56 47 44 42 44
DEWPT 15 15 14 14 15 16 19 17 19 18 20 22 26 29 30 32 31 32 31 31 33
MIN/MAX RH 54 21 67 28 68
RH 27 34 40 49 49 32 26 21 31 37 50 61 69 41 30 29 38 56 60 65 65
WIND DIR N NE E E E SE SE SE SE SE SE SE SE SE SE SE SE S W W W
WIND SPD 4 3 4 4 4 5 5 6 5 3 3 1 1 2 3 3 2 1 1 1 1
CLOUDS CL CL CL CL CL CL FW FW FW SC SC SC SC SC SC FW CL CL CL CL CL
CLOUDS(%) 4 4 5 5 5 3 7 8 21 33 36 41 44 26 32 15 4 4 4 5 4
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 1 2 3 3 <1 <1 <1 <1 <1 2 3 4 <1
T WIND DIR N N E E E E SE SE SE SE SE SE SE S S S SE
T WIND SPD 8 5 11 8 12 9 10 12 13 5 4 2 2 5 4 3 4
DISPERSION VP VP VP VP PR VP VP VP VP VP VP VP
ADI 4 3 5 4 16 28 41 53 6 3 2 1 2 16 19 16 2
MAX LVORI 2 2 2 2 2 2 1 1 2 2 2 3 3 2 2 2 2
STABILITY G G G G A A A A G G G F A A A A G
CEILING None None None None None None None None None
STA PRES 28.10 28.15 28.20 28.15 28.17 28.14 28.13 28.06
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 50 75 52 77 56 82 59 85
TEMP 74 66 53 52 72 65 55 53 74 69 59 58 80 72 63 60 83 75
DEWPT 40 41 40 43 49 47 45 45 49 48 48 51 49 48 49 52 53 51
RH 29 40 61 71 44 52 69 74 41 47 67 77 34 42 60 75 36 43
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL FW FW SC B1 SC FW SC SC SC SC SC SC SC SC SC SC B1
POP 12HR 0 5 20 5 0 0 0 0 10
RAIN SHWRS IS
$$
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