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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 PM EDT Tue Apr 14 2026
NCZ003-150800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
701 PM EDT Tue Apr 14 2026
Date 04/14/26 Wed 04/15/26 Thu 04/16/26 Fri
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 58 89 58 87 59
TEMP 76 67 63 60 61 79 87 87 79 69 63 59 62 78 85 86 80 70 63 60 62
DEWPT 55 53 53 51 49 50 49 50 53 51 51 49 51 55 54 53 53 51 51 52 54
MIN/MAX RH 73 27 71 32 77
RH 48 61 70 72 65 36 27 28 41 53 65 69 67 45 35 32 39 51 65 75 75
WIND DIR W W W NW NW W SW S SW W W NW NW W SW SW SW W W W NW
WIND SPD 2 1 1 1 1 2 3 4 2 1 1 1 1 2 5 5 2 2 2 2 2
WIND GUST 12
CLOUDS FW FW SC FW FW FW CL SC B1 SC B1 B1 SC SC SC SC FW FW SC SC FW
CLOUDS(%) 24 9 26 16 13 12 4 39 57 42 58 53 42 37 38 26 21 19 35 31 14
VSBY 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 <1 <1 <1 <1 <1 4 7 7 <1 <1 <1 <1 <1 5 7 8 <1
T WIND DIR SW SW W NW NW W SW SW S SW SW NW NW W SW W W
T WIND SPD 6 4 3 4 4 8 8 9 4 4 4 3 3 10 11 13 6
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 3 2 2 2 5 37 68 80 2 2 2 2 3 62 99129 3
MAX LVORI 2 3 3 3 3 1 1 1 2 2 3 3 3 1 1 1 2
STABILITY G G G G A A A A F F F F A A A A G
CEILING None None None None None None None None None
STA PRES 28.20 28.18 28.21 28.17 28.16 28.13 28.14 28.07
Date 04/17Sat 04/18/26Sun 04/19/26Mon 04/20/26Tue 04/21/26
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 87 57 91 53 73 38 67 37 70
TEMP 84 79 61 62 88 83 67 57 70 64 49 40 63 59 41 42 68 63
DEWPT 52 51 49 50 52 55 52 51 43 34 28 25 24 25 26 27 31 30
RH 33 38 65 65 29 38 59 80 38 32 44 55 22 27 55 55 25 29
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW SC SC SC SC B1 B1 B2 B1 FW FW CL CL FW FW FW FW
POP 12HR 10 0 5 20 50 10 5 0 5
RAIN SHWRS IS SC SC
$$
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