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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
732 AM EDT Fri Apr 3 2026
VAZ024-032000-
RAWS 441631
37.63N 79.51W Elev. 865 ft
732 AM EDT Fri Apr 3 2026
Date Fri 04/03/26 Sat 04/04/26 Sun 04/05/26
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 83 60 84 60 71
TEMP 60 72 81 82 75 71 66 62 62 75 82 84 76 70 68 66 62 64 67 69 61
DEWPT 55 58 57 57 56 56 56 56 58 60 60 59 59 59 59 60 59 57 51 44 40
MAX/MIN RH 41 87 43 92 41
RH 84 61 44 43 52 59 70 81 87 60 47 43 56 68 73 81 90 78 56 40 46
WIND DIR SE SW S S SW SW SW SW SW S S S S S S SW SW W W W NW
WIND SPD 2 5 6 6 2 2 2 2 1 4 8 9 5 5 5 6 6 6 8 8 5
WIND GUST 16 17 18 21 20 19 19 20 21 20 18 19 19
CLOUDS SC SC SC SC B1 SC SC FW SC FW B1 B1 SC SC B2 B2 OV OV B2 B1 SC
CLOUDS(%) 43 42 38 39 59 38 32 20 31 18 62 62 40 33 71 75 93 93 80 59 45
VSBY 10 10 10 10 10 10 10 10 8 7 7 10 10 10 10 10 10 10 10 10 10
POP 12HR 10 5 40 60 90
RAIN SHWRS SC SC IS IS NM NM O O SC SC
TSTMS IS
MIX HGT <1 3 6 6 1 1 <1 <1 <1 3 6 4 2 2 2 2 2 2 4 5 3
T WIND DIR S SW S SW S SW SW S W SW S S S S S SW SW W W W W
T WIND SPD 9 13 13 16 6 6 4 2 1 5 9 17 11 8 9 12 20 17 18 16 16
DISPERSION VP VP VP VP PR PR PR PR PR
ADI 10 50 89106 3 3 2 1 1 21 30 65 5 4 6 8 37 35 48 68 11
MAX LVORI 4 1 1 1 2 3 3 5 5 2 2 1 3 3 3 4 4 3 1 1 2
STABILITY B B B B F G G G A B D C F F E E D D D C E
CEILING None None None None None 14800 None 1700 800 9800
STA PRES 28.76 28.70 28.70 28.69 28.70 28.59 28.55 28.47 28.5 28.48
Date Mon 04/06/26Tue 04/07/26Wed 04/08/26Thu 04/09/26
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 41 66 40 60 30 62 36 72
TEMP 48 42 63 58 46 42 58 51 36 32 58 53 41 39 68 63
DEWPT 34 31 29 29 31 30 22 18 21 21 23 26 28 30 37 38
RH 58 65 27 33 55 62 25 27 54 63 26 35 59 70 32 39
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW FW FW FW FW FW CL CL FW FW FW SC FW FW
POP 12HR 0 0 0 0 0 0 0 0
$$
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