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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
102 PM EDT Wed Apr 8 2026
VAZ018-082000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
102 PM EDT Wed Apr 8 2026
Date Wed 04/08/26 Thu 04/09/26 Fri 04/10/26
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 57 33 66 42 78
TEMP 54 57 49 42 39 34 35 51 62 65 56 48 45 43 45 65 75 77 66
DEWPT 19 17 17 18 19 23 25 27 29 29 28 29 29 29 31 34 36 37 38
MAX/MIN RH 21 66 25 59 23
RH 25 21 28 37 44 64 66 39 28 26 34 47 53 57 58 31 24 24 36
WIND DIR SE SE SE SE SE E S SE SE SE SE S W W W W SW W W
WIND SPD 5 5 3 2 2 1 1 2 3 3 2 1 1 1 1 1 2 3 2
WIND GUST 17 17 13 13
CLOUDS FW FW SC SC SC SC SC SC SC FW FW CL CL CL CL CL FW FW FW
CLOUDS(%) 23 19 35 39 47 30 46 41 38 21 13 3 4 5 4 3 8 14 12
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 3 3 <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 3 6 8 <1
T WIND DIR SE SE SE SE SE SE SE S S S SE S S W W W W W W
T WIND SPD 8 9 13 4 3 2 3 5 3 2 6 3 2 2 3 9 11 12 4
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 35 41 6 2 2 1 3 13 12 9 3 2 1 1 3 37 89113 2
MAX LVORI 1 1 2 2 2 3 3 2 2 2 2 2 2 3 3 1 1 1 2
STABILITY A A G G F G A A A A G G G G A A A A G
CEILING None None None None None None None None None
STA PRES 28.15 28.17 28.16 28.18 28.11 28.10 28.07 28.06 27.99
Date Sat 04/11/26Sun 04/12/26Mon 04/13/26Tue 04/14/26
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 52 75 52 78 57 83 60 88
TEMP 54 53 73 66 55 53 74 70 59 58 81 74 63 62 85 77
DEWPT 37 41 47 46 46 47 50 47 46 48 46 45 47 50 53 50
RH 52 64 40 48 72 80 43 44 62 69 29 35 56 65 33 39
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC SC SC FW SC SC SC SC B1 B1 B1 SC SC SC SC
POP 12HR 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