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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1001 PM EST Thu Nov 27 2025
NCZ001-280900-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
1001 PM EST Thu Nov 27 2025
Date 11/27/25 Fri 11/28/25 Sat 11/29/25 Sun
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 16 26 18 33 25
TEMP 21 19 17 19 21 25 20 20 18 20 20 26 32 29 25 26 27 30 32
DEWPT 12 11 10 10 8 6 8 8 9 7 5 6 9 10 11 11 13 17 25
MIN/MAX RH 73 45 65 37 80
RH 68 70 73 67 56 44 59 59 67 56 51 42 37 44 55 52 55 58 75
WIND DIR NW NW NW NW NW NW NW NW NW NW S SE SE SE SE S S S S
WIND SPD 27 27 26 25 23 19 13 12 9 5 2 5 8 9 10 13 14 13 13
WIND GUST 37 40 37 35
CLOUDS B1 SC B1 SC FW FW FW FW SC SC SC SC SC FW B1 B2 B2 B2 OV
CLOUDS(%) 56 42 68 42 15 6 7 24 42 33 40 26 26 25 59 85 87 84 92
VSBY 10 10 10 10 10 10 10 10 10 10 7 7 7 5 5
POP 12HR 10 10 0 0 30
FRZG RAIN C
RAIN L
SNOW C
MIX HGT 2 2 2 3 3 3 <1 <1 <1 <1 <1 <1 1 1 <1
T WIND DIR NW NW NW NW NW NW NW NW NW W S S S S S
T WIND SPD 32 28 29 29 25 23 14 13 8 2 4 10 10 11 14
DISPERSION GD GD FR FR PR PR FR FR GD FR
ADI 36 32 61 65 62 52 13 12 7 1 5 8 17 16 13
MAX LVORI 3 3 3 3 1 1 2 2 3 3 2 2 2 2 2
STABILITY D D D D D D D D D F B C C C D
CEILING None None None None None None None 6500
STA PRES 26.71 26.77 26.81 26.87 26.89 26.90 26.84
Date 11/30Mon 12/01/25Tue 12/02/25Wed 12/03/25Thu 12/04/25
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 38 25 36 29 37 26 37 26 41
TEMP 37 34 30 26 35 30 30 31 36 33 32 27 34 30 28 29 40 32
DEWPT 36 34 28 22 23 22 25 28 33 31 28 23 26 25 24 22 26 25
RH 96100 92 85 61 72 81 88 89 92 85 85 72 81 85 75 57 75
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV OV B2 B1 B1 B1 B2 OV OV B2 B2 B1 SC SC SC SC B1 B1
POP 12HR 60 30 20 60 70 30 10 5 10
FRZG RAIN C L
RAIN L L C S L C
SNOW S S C 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
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