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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Sat Nov 29 2025
NCZ005-292100-
RAWS 310540
36.38N 79.70W Elev. 858 ft
701 AM EST Sat Nov 29 2025
Date Sat 11/29/25 Sun 11/30/25 Mon 12/01/25
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 44 27 48 27 46
TEMP 35 42 43 32 29 29 31 32 39 45 47 43 39 35 30 27 37 44 45 37
DEWPT 15 14 14 16 17 17 19 21 28 35 38 39 36 29 24 21 22 20 20 21
MAX/MIN RH 30 68 60 90 34
RH 43 31 30 51 60 60 61 63 64 68 71 86 89 78 78 78 54 38 36 52
WIND DIR E SE SE SE SE S SW SW SW SW SW W NW N N N N NE E E
WIND SPD 2 3 3 2 2 2 2 2 4 6 5 3 4 5 6 5 6 6 5 2
CLOUDS FW FW FW SC B2 SC B2 OV B2 OV OV B2 SC SC FW FW FW SC SC B1
CLOUDS(%) 21 19 17 42 71 37 78 89 86 89 89 73 49 29 18 19 18 27 39 69
VSBY 10 10 10 10 10 10 10 7 7 7 7 10 10 10 10 10 10 10 10 10
POP 12HR 0 10 40 10 5
RAIN C C C C
MIX HGT 2 3 3 <1 <1 <1 <1 <1 <1 1 <1 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR E SE SE SE SE SE S NW SW SW SW W NW N N N NE NE E NE
T WIND SPD 9 4 4 3 5 3 1 2 3 9 4 4 5 10 8 8 12 8 5 3
DISPERSION VP VP VP VP VP VP PR PR VP
ADI 26 19 17 2 3 2 1 2 4 12 5 2 4 5 4 6 32 26 18 2
MAX LVORI 2 2 2 2 3 3 3 3 3 3 3 5 6 4 4 4 1 2 2 2
STABILITY B B B G F G F C D D D F E F F C C C C F
CEILING None None 17500 3800 800 500 None None None None
STA PRES 29.76 29.69 29.65 29.56 29.48 29.42 29.52 29.62 29.67 29.59
Date Tue 12/02/25Wed 12/03/25Thu 12/04/25Fri 12/05/25
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 32 42 29 48 29 50 27 44
TEMP 32 34 39 40 34 29 46 39 32 30 50 39 32 29 43 39
DEWPT 24 31 37 36 31 26 29 29 27 27 30 29 27 25 29 32
RH 72 89 92 85 89 88 51 67 81 88 46 67 81 85 57 76
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 OV OV B2 SC FW FW FW FW SC SC SC B1 B1 B1 B1
POP 12HR 70 90 20 0 0 5 10 20
RAIN L D L S S
$$
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