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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 PM EDT Thu Apr 9 2026
VAZ018-092000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
1231 PM EDT Thu Apr 9 2026
Date Thu 04/09/26 Fri 04/10/26 Sat 04/11/26
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 64 43 78 54 75
TEMP 60 63 56 48 45 43 45 67 76 77 66 60 56 54 55 67 73 74 65
DEWPT 30 31 31 29 28 28 31 37 37 36 36 38 38 41 46 50 46 43 43
MAX/MIN RH 30 56 22 71 33
RH 32 30 38 47 51 55 58 33 24 23 33 44 51 61 72 54 38 33 45
WIND DIR SE SE SE W W W W W W W W W W W NW NW NW NW NW
WIND SPD 3 3 2 1 1 1 1 1 3 3 2 2 3 3 3 4 5 3 2
WIND GUST 13 12 13 13 14 18 17 13
CLOUDS SC FW FW CL CL FW CL CL FW FW FW FW FW SC SC SC SC SC FW
CLOUDS(%) 42 16 6 4 5 6 5 3 7 7 14 16 21 39 46 34 33 33 15
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 20
RAIN SHWRS IS IS
MIX HGT 3 3 <1 <1 <1 <1 <1 3 6 7 <1 <1 <1 <1 <1 3 5 5 <1
T WIND DIR S S SE SE SW W W W W W W W W W NW NW NW NW S
T WIND SPD 3 3 6 3 2 2 3 8 11 11 4 6 6 6 9 16 10 3 2
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 13 14 3 2 1 1 3 29 88102 2 3 3 3 9 71 68 23 1
MAX LVORI 2 2 2 2 2 3 3 2 1 1 2 2 2 3 3 1 1 2 2
STABILITY A A G G G 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 28.11 28.11 28.07 28.07 27.99 28.00 27.99 28.06 28.03
Date Sun 04/12/26Mon 04/13/26Tue 04/14/26Wed 04/15/26
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 51 78 59 80 59 86 62 89
TEMP 54 52 73 70 61 60 77 72 61 61 83 76 64 64 87 79
DEWPT 42 44 49 46 44 47 47 45 47 49 55 54 53 54 53 52
RH 64 74 43 42 53 62 35 38 60 65 38 46 67 70 31 39
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC SC SC SC B1 B1 B1 SC SC SC SC SC SC SC B1
POP 12HR 5 0 0 5 5 10 0 10
$$
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