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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 PM EST Sun Nov 1 2026
NCZ003-012000-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
1231 PM EST Sun Nov 1 2026
Date Sun 11/01/26 Mon 11/02/26 Tue 11/03/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
MAX/MIN TEMP 65 47 65 44 72
TEMP 63 63 54 52 50 49 49 56 63 64 53 49 47 46 45 61 69 71 61
DEWPT 40 40 42 41 41 42 43 46 44 44 46 45 44 44 45 53 55 54 55
MAX/MIN RH 41 85 48 99 56
RH 43 43 64 66 71 77 80 69 50 48 77 86 89 93100 75 61 55 81
WIND DIR E E E E E E NE E E E E NE NE N N E SE SE E
WIND SPD 5 4 3 3 3 3 3 3 3 2 2 2 2 1 2 2 4 3 2
CLOUDS SC SC B1 B1 B2 OV B1 B1 SC FW SC SC FW SC SC SC SC FW FW
CLOUDS(%) 49 50 66 60 75 91 68 52 28 23 33 41 21 33 28 30 33 18 21
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 10 10 0 0
MIX HGT 3 3 <1 <1 <1 <1 <1 1 2 2 <1 <1 <1 <1 <1 1 3 3 <1
T WIND DIR E E NE NE NE E NE E E E E N N N N E SE S N
T WIND SPD 6 8 5 3 3 6 4 5 4 3 4 2 2 2 2 2 3 2 2
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 23 28 3 2 2 3 5 11 14 10 2 1 1 1 2 4 11 9 1
MAX LVORI 2 2 3 3 3 4 4 3 2 2 4 5 7 7 9 4 2 2 4
STABILITY B B F F F F B B B B G F G G B B B B G
CEILING 9100 8500 8700 None None None None None None
STA PRES 29.34 29.36 29.35 29.34 29.27 29.27 29.25 29.26 29.19
Date Wed 11/04/26Thu 11/05/26Fri 11/06/26Sat 11/07/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MIN/MAX TEMP 52 73 60 73 56 72 50 69
TEMP 54 54 69 65 61 61 70 65 59 57 69 60 54 51 66 58
DEWPT 53 54 62 63 61 61 66 63 59 57 59 57 52 49 51 50
RH 96100 78 93100100 87 93100100 70 90 93 93 58 75
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC
POP 12HR 0 10 50 50 40 20 10 5
RAIN SHWRS SC NM NM SC SC SC 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