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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
302 PM EDT Fri Apr 10 2026
VAZ018-110800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
302 PM EDT Fri Apr 10 2026
Date 04/10/26 Sat 04/11/26 Sun 04/12/26 Mon
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 55 76 50 76 60
TEMP 77 66 60 57 55 56 67 74 74 63 56 52 50 51 62 72 76 70 65 62 61 61
DEWPT 37 35 35 39 45 49 51 46 41 39 39 39 40 43 49 50 50 49 47 45 45 46
MIN/MAX RH 78 30 74 40 58
RH 24 32 39 51 69 77 56 37 30 41 53 61 68 74 62 46 40 47 52 54 56 58
WIND DIR W W W W W NW NW NW NW NW NW E E SE SE S S S S SW SW SW
WIND SPD 4 2 3 4 3 3 5 5 4 2 1 1 1 2 4 5 6 4 4 5 6 6
WIND GUST 14 13 14 17 16 17 19 18 14 16 18 20 18 19 21 23 24
CLOUDS CL FW FW FW B1 B1 FW FW FW FW FW FW SC SC SC SC SC SC SC SC B1 B1
CLOUDS(%) 4 19 13 20 58 57 15 18 13 9 11 18 35 46 34 43 50 36 49 49 64 61
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 5 10 5 0
MIX HGT 7 <1 <1 <1 <1 <1 3 5 4 <1 <1 <1 <1 <1 2 3 5 <1
T WIND DIR W W W W W NW NW NW NW NW W E E SE S S S S
T WIND SPD 13 5 5 8 6 5 23 14 9 6 2 1 3 5 8 11 16 13
DISPERSION VP VP VP VP VP VP VP VP VP VP PR PR
ADI 117 3 3 4 3 6100 85 51 3 1 1 2 6 18 48 89 6
MAX LVORI 1 2 2 2 3 4 1 1 1 2 2 3 3 3 2 1 1 2
STABILITY A G G F F B A A A G G G G A A A B F
CEILING None None None None None None None None None
STA PRES 27.99 27.99 28.05 28.04 28.08 28.10 28.13 28.05
Date 04/13Tue 04/14/26Wed 04/15/26Thu 04/16/26Fri 04/17/26
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 81 58 86 61 89 62 88 62 86
TEMP 79 72 60 60 83 75 64 63 87 79 66 64 85 77 65 64 83 76
DEWPT 47 45 45 49 54 52 52 51 51 50 50 52 50 47 48 52 54 53
RH 32 38 58 67 37 45 65 65 29 36 56 65 30 35 54 65 37 45
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 SC FW SC SC SC SC SC SC SC B1 B1 SC SC SC SC SC
POP 12HR 10 5 20 5 10 5 10 10 20
RAIN SHWRS IS IS IS IS
TSTMS IS 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