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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 PM EST Sat Nov 29 2025
NCZ003-300900-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
731 PM EST Sat Nov 29 2025
Date 11/29/25 Sun 11/30/25 Mon 12/01/25 Tue
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 28 47 27 44 32
TEMP 32 29 31 32 35 41 45 40 38 33 29 27 35 42 43 38 34 33 33 34
DEWPT 17 17 18 21 27 34 38 38 34 27 23 20 21 20 22 22 24 26 30 32
MIN/MAX RH 68 58 92 39 95
RH 53 60 58 63 72 76 76 92 85 78 78 74 56 41 43 52 66 75 89 92
WIND DIR SE S SW SW SW SW SW W NW N N N NE E E E E E NE N
WIND SPD 3 2 2 2 3 5 3 2 5 8 5 4 3 4 3 2 2 2 2 2
CLOUDS B2 SC OV OV OV OV B2 B1 SC SC FW FW FW FW SC B1 B2 OV OV OV
CLOUDS(%) 82 43 88100100100 82 52 34 27 17 14 12 25 34 69 76 94 94 93
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 20 5 5 80
FRZG RAIN S
RAIN S C C D D D
MIX HGT <1 <1 <1 <1 <1 1 <1 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR SE S SW W SW SW W W NW N N N NE E E NE
T WIND SPD 10 6 5 2 2 4 3 4 5 10 11 9 9 6 4 2
DISPERSION VP VP VP VP PR PR PR VP VP VP VP
ADI 5 3 3 3 3 6 3 2 3 7 5 7 21 21 15 1
MAX LVORI 2 3 3 3 3 3 4 6 5 4 4 4 2 2 2 2
STABILITY F F F D D D C F F E F C B C B F
CEILING 13300 2400 600 1900 None None None None 9600
STA PRES 29.31 29.25 29.17 29.09 29.18 29.28 29.32 29.23
Date 12/02Wed 12/03/25Thu 12/04/25Fri 12/05/25Sat 12/06/25
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 44 29 45 28 50 29 43 33 45
TEMP 41 39 34 29 43 37 30 29 49 38 32 30 40 39 35 33 43 40
DEWPT 38 36 30 25 27 28 26 25 29 27 25 23 29 32 31 31 33 31
RH 89 89 85 85 53 70 85 85 46 64 75 75 64 76 85 92 67 70
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV B2 SC FW FW FW FW SC SC SC SC B1 B2 B2 B2 B2 B1 B1
POP 12HR 90 10 0 0 5 10 30 50 30
RAIN D C S C C C C C
$$
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