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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
732 PM EDT Fri Apr 3 2026
VAZ018-040800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
732 PM EDT Fri Apr 3 2026
Date 04/03/26 Sat 04/04/26 Sun 04/05/26 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 59 80 57 66 39
TEMP 72 67 64 62 61 73 78 78 70 66 65 62 59 61 64 63 54 49 45 41 40
DEWPT 55 55 55 54 56 58 56 58 57 57 57 57 58 55 48 41 36 33 32 30 28
MIN/MAX RH 82 46 96 44 65
RH 55 65 73 75 84 59 47 50 63 73 75 84 96 81 56 44 50 54 60 65 62
WIND DIR SW SW SW SW SW S S S SW S SW SW W W W W NW NW NW NW NW
WIND SPD 5 5 5 5 3 4 9 11 6 6 6 8 9 9 10 10 10 10 10 9 6
WIND GUST 16 16 16 21 24 25 25 26 27 29 28 27 29 31 33 33 29 26
CLOUDS B2 SC FW FW FW FW SC SC B1 SC B2 B2 OV OV B2 SC SC SC FW FW FW
CLOUDS(%) 74 40 19 12 8 14 43 43 58 48 86 86 92 92 81 47 36 30 15 14 10
VSBY 10 10 10 8 10 10 10 10 10 10 10 6 3 5 7 7 7
POP 12HR 5 20 80 90 0
RAIN SHWRS IS IS IS O O O O IS IS
TSTMS IS
MIX HGT <1 <1 <1 <1 <1 3 6 5 1 <1 <1 <1 2 2 3 4 2
T WIND DIR SW SW SW SW W SW S S S SW SW SW W W W W NW
T WIND SPD 14 9 6 4 3 5 11 19 16 21 17 17 12 17 20 19 20
DISPERSION PR PR PR PR PR PR PR PR FR FR FR PR
ADI 10 4 3 2 4 22 51 77 11 15 12 15 21 32 51 74 14
MAX LVORI 2 3 3 4 5 2 1 1 2 3 4 4 5 3 1 1 2
STABILITY E F F F B B C C E E E D D D D C E
CEILING None None None None None 1000 1100 None None
STA PRES 28.00 27.98 27.96 27.87 27.82 27.74 27.77 27.74
Date 04/06Tue 04/07/26Wed 04/08/26Thu 04/09/26Fri 04/10/26
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 62 39 56 30 58 36 68 45 74
TEMP 60 53 45 40 54 46 34 33 55 50 39 38 65 58 48 47 71 65
DEWPT 29 29 31 27 20 17 19 20 23 24 27 31 39 40 39 42 45 45
RH 31 39 58 59 26 31 54 58 29 36 62 76 38 51 71 83 39 48
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW CL CL FW FW SC SC FW FW FW FW FW SC SC
POP 12HR 0 0 0 0 0 0 5 5 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