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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
402 AM EDT Sat Apr 11 2026
NCZ003-112000-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
402 AM EDT Sat Apr 11 2026
Date Sat 04/11/26 Sun 04/12/26 Mon 04/13/26
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 80 52 78 58 81
TEMP 52 53 71 78 79 70 63 59 55 55 63 74 77 72 65 63 59 59 70 78 80 74
DEWPT 37 40 49 50 48 51 50 47 49 49 51 50 49 51 50 51 50 51 52 51 49 50
MAX/MIN RH 33 86 37 77 34
RH 56 61 46 37 34 51 62 64 80 80 65 43 37 48 58 65 72 75 53 39 34 43
WIND DIR NW NW NW NW NW N E NE E E E S S S S S SW SW SW SW SW SW
WIND SPD 4 4 4 5 4 3 4 5 6 6 5 5 6 6 8 9 9 8 10 11 10 10
WIND GUST 20 21 21
CLOUDS FW SC SC FW SC SC FW FW SC SC SC SC SC FW SC B1 SC SC SC B1 B1 B1
CLOUDS(%) 13 40 39 23 37 35 17 25 33 43 32 30 30 21 32 52 44 44 47 55 59 56
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 20 5 0 0 0
RAIN SHWRS IS
MIX HGT <1 <1 3 8 7 <1 <1 <1 <1 1 2 4 5 <1 <1 <1 <1 <1 3 6 7 <1
T WIND DIR NW NW NW NW NW NE NE NE NE E E SE S S NE S S SW SW SW SW SW
T WIND SPD 3 3 12 9 6 1 3 4 6 12 6 6 9 9 1 6 6 8 20 18 18 9
DISPERSION VP VP VP PR PR PR PR PR PR FR
ADI 2 3 51 84 60 1 2 2 3 23 22 34 57 4 1 6 6 9 77 83 90 8
MAX LVORI 3 3 1 1 1 2 3 3 4 3 3 1 1 2 3 3 3 4 1 1 1 2
STABILITY F A A A A G F F F B A A B F E D D B B C C D
CEILING None None None None None None None None None 8300
STA PRES 29.20 29.17 29.22 29.27 29.34 29.25 29.23 29.22 29.22 29.13
Date Tue 04/14/26Wed 04/15/26Thu 04/16/26Fri 04/17/26
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 57 87 59 89 63 90 64 90
TEMP 62 60 84 79 65 61 86 82 67 64 88 83 69 66 87 83
DEWPT 50 49 50 51 50 51 50 49 50 51 52 51 53 54 54 52
RH 65 67 31 38 58 70 29 32 54 63 29 33 57 65 32 34
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW SC SC SC SC FW SC SC B1 SC SC SC SC SC SC
POP 12HR 0 5 0 0 0 5 5 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