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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
902 PM EST Fri Mar 6 2026
NCZ001-070900-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
902 PM EST Fri Mar 6 2026
Date 03/06/26 Sat 03/07/26 Sun 03/08/26 Mon
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 55 66 54 58 48
TEMP 57 56 56 55 60 64 64 60 58 57 56 54 55 56 56 54 52 52 50 49
DEWPT 53 53 53 53 55 55 54 53 53 53 53 53 53 52 50 49 48 47 47 48
MIN/MAX RH 93 67 95 81 95
RH 86 90 90 93 84 73 70 78 83 86 90 96 93 86 80 83 86 83 89 96
WIND DIR SW SW SW SW SW SW SW SW SW W W W W W W W W W W W
WIND SPD 10 10 10 10 12 14 14 14 13 14 16 16 14 13 13 10 10 10 10 10
CLOUDS SC FW SC B1 SC B1 B1 B2 B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B1
CLOUDS(%) 32 24 36 55 28 65 58 78 78 83 84 87 88 91 84 83 74 70 73 69
VSBY 10 10 10 7 10 10 10 10 10 6 4 4 7 8 10 10 10 7 9 6
POP 12HR 10 40 70 70 10
RAIN SHWRS IS SC NM NM SC SC NM NM NM NM
TSTMS SC IS IS IS IS
MIX HGT <1 <1 <1 <1 2 3 2 <1 <1 <1 <1 <1 2 2 2 <1
T WIND DIR S S S SW SW SW SW SW SW W W W W W W NW
T WIND SPD 5 6 6 9 11 19 18 11 11 12 10 11 12 16 9 3
DISPERSION FR FR FR GD FR GD GD FR FR FR FR
ADI 4 5 5 10 30 51 37 10 10 11 9 13 24 32 16 3
MAX LVORI 6 6 6 5 3 3 3 4 4 5 5 5 5 4 3 5
STABILITY E E E D C D D D D D D D D D D D
CEILING None None 500 500 400 400 400 26200
STA PRES 26.89 26.87 26.79 26.75 26.71 26.71 26.69
Date 03/09Tue 03/10/26Wed 03/11/26Thu 03/12/26Fri 03/13/26
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 64 51 66 54 67 42 50 33 46
TEMP 60 57 52 51 63 60 56 56 66 60 55 44 48 41 36 34 41 42
DEWPT 45 44 44 47 50 51 50 52 52 51 50 41 30 27 26 26 29 32
RH 58 62 74 86 62 72 80 86 61 72 83 89 49 57 67 72 62 67
WIND SPD <15 <15 <15 <15 15> 15> 15> 15> 15>
AVG CLOUDS B1 SC SC SC B1 B1 B1 B1 B2 B2 OV OV OV B2 B2 B2 B2 B1
POP 12HR 20 30 50 20 50 70 50 30 20
RAIN C C C S S S
RAIN SHWRS IS IS SC SC SC IS IS SC SC NM NM
$$
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