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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
201 PM EST Wed Nov 5 2025
NCZ005-060900-
RAWS 310540
36.38N 79.70W Elev. 858 ft
201 PM EST Wed Nov 5 2025
Date 11/05/25 Thu 11/06/25 Fri 11/07/25 Sat
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX TEMP 45 63 37 68 53
TEMP 71 61 57 54 49 47 57 61 61 49 43 40 39 39 54 65 67 60 56 57 55 53
DEWPT 42 44 45 45 45 39 33 28 28 31 32 31 32 34 42 46 49 52 53 53 53 53
MIN/MAX RH 87 27 84 49 100
RH 35 53 64 71 86 74 40 28 28 50 65 70 76 82 64 50 52 75 90 86 93100
WIND DIR SW SW W W NW N N N N SE SE S S S S SW SW S SW SW SW SW
WIND SPD 12 10 9 5 5 5 5 4 2 2 1 2 2 2 5 10 10 5 6 6 5 4
WIND GUST 23
CLOUDS SC FW CL CL CL CL CL CL CL CL CL CL CL CL FW FW SC B1 B1 B1 B1 SC
CLOUDS(%) 41 25 2 4 1 1 0 2 2 3 2 5 5 5 14 20 33 51 53 63 57 46
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 30
RAIN SHWRS SC SC
MIX HGT 1 <1 <1 <1 <1 <1 2 4 3 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR SW SW W W NW N N N N E SE SE S S S S SW SW
T WIND SPD 24 10 8 4 5 11 13 5 3 2 3 3 4 4 10 16 25 8
DISPERSION FR PR PR PR VP VP VP VP PR PR PR PR
ADI 41 7 5 2 3 12 41 25 14 1 2 2 2 5 22 55 88 5
MAX LVORI 1 3 3 3 6 3 1 2 2 2 3 3 4 5 2 1 1 3
STABILITY C E E F F B B B B G G G G B B C C E
CEILING None None None None None None None None None
STA PRES 29.28 29.36 29.48 29.45 29.44 29.39 29.32 29.17
Date 11/08Sun 11/09/25Mon 11/10/25Tue 11/11/25Wed 11/12/25
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN TEMP 73 51 69 33 45 26 49 33 60
TEMP 72 61 55 52 68 52 41 33 44 35 30 27 46 42 36 34 57 51
DEWPT 53 54 52 52 48 38 30 22 18 18 18 17 18 22 24 23 29 33
RH 51 78 90100 49 59 65 63 35 49 60 65 32 44 61 64 34 50
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW SC SC SC SC SC FW FW FW FW FW FW FW FW SC FW FW
POP 12HR 10 30 20 10 5 0 0 0 5
RAIN SHWRS IS SC IS
$$
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
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