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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Sat Dec 27 2025
NCZ006-272100-
RAWS 310801
36.37N 79.29W Elev. 580 ft
701 AM EST Sat Dec 27 2025
Date Sat 12/27/25 Sun 12/28/25 Mon 12/29/25
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 65 37 54 48 68
TEMP 57 64 62 52 45 42 40 38 42 49 54 50 49 53 58 58 66 66 60 48
DEWPT 50 47 45 42 39 36 34 34 37 38 41 44 49 53 57 56 55 47 35 27
MAX/MIN RH 51 86 61 99 39
RH 77 54 54 69 79 79 79 85 82 66 61 80100100 96 93 68 50 39 44
WIND DIR NW N NE E E NE NE E SE S S S SW SW SW SW SW W W W
WIND SPD 5 5 4 3 2 2 1 1 2 3 4 3 5 6 10 11 13 13 13 10
WIND GUST 17 21 23 25 25 25 20
CLOUDS SC FW FW FW SC B1 B1 B2 OV OV OV OV OV OV OV OV B2 B1 B1 FW
CLOUDS(%) 44 18 23 21 33 52 54 78 90 92 89 90 91 96 95 92 79 60 58 10
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 5 10 20 40
RAIN S S C C C C
MIX HGT 2 3 2 <1 <1 <1 <1 1 1 1 1 <1 1 1 1 2 3 4 5 3
T WIND DIR NW NE NE E E E E SE SE S S S S S SW SW SW W W W
T WIND SPD 3 6 8 12 10 9 8 6 4 5 6 11 9 10 10 17 19 28 27 27
DISPERSION VP VP VP VP VP PR PR FR FR
ADI 8 22 22 6 5 4 4 10 6 10 10 5 6 7 12 31 48 80 85 19
MAX LVORI 4 2 2 3 4 4 5 4 4 3 2 4 8 6 6 4 1 1 1 2
STABILITY C C C G G F F C C C D F E E D D D D D E
CEILING None None None 1400 1400 600 500 400 1000 None
STA PRES 29.35 29.40 29.50 29.51 29.52 29.41 29.29 29.11 29.04 29.10
Date Tue 12/30/25Wed 12/31/25Thu 01/01/26Fri 01/02/26
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 26 42 23 49 28 51 22 41
TEMP 34 27 40 34 26 24 46 41 33 29 48 39 28 22 38 32
DEWPT 17 14 11 10 9 11 14 18 19 21 22 20 15 9 6 6
RH 49 57 30 36 48 57 27 39 56 72 35 46 58 57 26 33
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW FW FW FW SC B1 B1 B1 SC SC SC SC
POP 12HR 0 0 0 0 5 0 5 5
$$
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