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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
201 AM EST Fri Nov 28 2025
NCZ005-290900-
RAWS 310540
36.38N 79.70W Elev. 858 ft
201 AM EST Fri Nov 28 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 27 42 21 44 28
TEMP 27 27 36 41 41 32 27 25 22 22 34 42 43 34 28 29 29 31
DEWPT 17 16 15 13 12 13 13 14 13 13 15 13 14 16 16 18 19 20
MIN/MAX RH 65 30 71 28 65
RH 65 63 42 31 30 45 55 62 68 68 45 30 30 47 60 63 66 63
WIND DIR W W NW NW NW NW NW NW W W NE SE SE SE SE S S S
WIND SPD 5 5 11 11 10 4 3 2 2 2 2 3 3 2 2 2 2 2
WIND GUST 21
CLOUDS CL CL CL CL FW CL FW FW FW FW FW FW FW SC SC B2 B2 OV
CLOUDS(%) 3 3 2 5 6 5 6 18 7 11 23 22 19 30 50 86 85 92
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 10
RAIN C
MIX HGT <1 <1 4 5 5 <1 <1 <1 <1 <1 2 3 2 <1 <1 <1 <1 <1
T WIND DIR NW W NW NW NW NW NW NW N W E S SE SE S SE S W
T WIND SPD 13 11 24 19 16 6 14 6 1 1 4 5 6 4 4 5 8 2
DISPERSION PR VP VP VP VP VP VP VP VP
ADI 6 9 65 59 66 3 7 3 1 1 11 21 21 2 2 3 4 2
MAX LVORI 3 3 1 1 1 2 2 3 4 3 2 2 2 2 3 3 3 3
STABILITY F C D D C F G G G B B B B G F F F C
CEILING None None None None None None 20100 6500
STA PRES 29.52 29.55 29.67 29.70 29.73 29.66 29.60 29.48
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 46 28 45 32 42 27 46 28 51
TEMP 44 42 36 29 44 38 33 32 40 38 33 27 44 38 29 30 49 42
DEWPT 33 39 33 25 22 23 26 32 35 34 30 26 29 30 27 29 32 32
RH 65 89 89 85 41 54 75100 82 85 89 96 55 73 92 96 52 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV B2 B1 SC SC B1 B2 OV B2 B2 SC SC FW FW SC SC SC SC
POP 12HR 40 20 10 60 70 20 0 5 5
RAIN C C S S L L 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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