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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Sun Dec 28 2025
NCZ003-282100-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
701 AM EST Sun Dec 28 2025
Date Sun 12/28/25 Mon 12/29/25 Tue 12/30/25
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 51 44 58 22 38
TEMP 41 45 47 48 47 46 46 45 53 48 43 33 29 27 24 23 29 35 37 31
DEWPT 41 45 45 46 47 46 46 45 41 25 19 17 14 13 12 11 11 9 8 8
MAX/MIN RH 92 100 37 61 29
RH 100100 93 93100100100100 64 40 38 51 53 55 60 59 46 33 29 37
WIND DIR SE S S N S S SW W W W W NW NW NW NW NW NW NW NW NW
WIND SPD 3 2 2 0 2 2 4 6 11 12 12 9 10 11 12 11 10 9 8 3
WIND GUST 21 28 26 27 27 31 34 34 32 27 20 19 14
CLOUDS OV OV OV OV OV OV OV B2 B1 FW FW FW FW SC FW FW CL FW CL FW
CLOUDS(%) 100100100100100 88100 87 51 14 8 10 15 30 22 14 4 6 5 6
VSBY 9 10 8 6 4 3 10 10 7 7 10 10 10 10 10 10 10 10 10 10
POP 12HR 10 10 30 0 0
DRIZZLE C
RAIN SHWRS IS IS
SPRINKLES SC SC
MIX HGT 1 2 1 1 1 <1 1 1 4 5 4 2 2 2 2 2 3 4 4 1
T WIND DIR S S S S SW SW S SW W W NW NW NW NW NW NW NW NW NW NW
T WIND SPD 4 5 5 6 5 5 5 5 27 35 33 34 34 33 28 24 25 21 19 12
DISPERSION VP VP VP VP PR FR FR FR VP
ADI 7 10 9 6 5 3 5 9 73106 95 23 23 22 39 46 88 83 74 6
MAX LVORI 8 8 6 6 9 9 9 8 1 1 1 2 2 2 1 1 1 1 1 2
STABILITY D D D D D F D D D D D E E E D D C C C G
CEILING 600 500 400 300 None None None None None None
STA PRES 28.21 28.10 28.01 27.86 27.83 27.89 27.99 28.01 28.09 28.09
Date Wed 12/31/25Thu 01/01/26Fri 01/02/26Sat 01/03/26
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 23 47 28 49 28 49 29 50
TEMP 25 25 45 39 32 29 46 41 33 29 45 39 32 30 48 44
DEWPT 7 6 13 16 21 21 25 25 24 21 23 23 22 22 29 32
RH 46 44 27 39 63 72 43 52 69 72 41 52 66 72 47 62
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW SC SC B1 SC SC SC FW SC SC B1 B1 B1 SC
POP 12HR 0 0 5 5 5 0 20 30
FRZG RAIN S
RAIN 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
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