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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 310141
36.40N 81.29W Elev. 3009 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 56 69 55 64 49
TEMP 61 57 56 57 64 68 69 65 61 59 57 56 61 63 62 58 55 53 51 49
DEWPT 55 55 55 55 58 57 56 56 55 55 54 54 56 53 53 52 50 49 48 48
MIN/MAX RH 96 65 95 69 97
RH 81 93 96 93 81 68 63 73 81 87 90 93 84 70 72 80 83 86 89 96
WIND DIR S S S S S S SW S SW SW W W W W W W W W W W
WIND SPD 3 3 3 3 8 12 11 8 5 5 5 5 8 10 9 5 3 3 3 3
CLOUDS SC SC SC B1 SC B1 B1 B2 B2 B2 B2 B2 B2 OV B2 B2 B2 B1 B1 B1
CLOUDS(%) 37 30 43 62 43 60 59 76 76 78 86 78 84 90 85 82 76 69 67 57
VSBY 10 10 10 7 10 10 10 10 10 7 5 4 7 9 10 10 10 8 8 6
POP 12HR 10 50 60 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 3 1 <1 <1 <1 <1 2 3 2 <1
T WIND DIR S SW S SW SW SW SW S SW SW W W W W W NW
T WIND SPD 5 6 6 6 10 18 20 13 10 8 9 8 17 13 9 3
DISPERSION VP VP VP PR PR PR PR PR VP VP VP
ADI 3 3 3 5 23 46 45 15 7 5 6 9 34 32 19 2
MAX LVORI 5 6 8 6 3 1 1 3 4 5 5 6 3 3 3 4
STABILITY G G F C B D D D E E E D D D D E
CEILING None None 500 400 400 300 2800 27700
STA PRES 27.41 27.39 27.30 27.26 27.22 27.23 27.20
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 69 51 71 55 71 47 55 34 48
TEMP 67 61 53 52 70 63 58 56 71 65 58 48 53 44 38 35 45 45
DEWPT 47 45 46 47 52 53 53 54 55 53 51 43 32 28 28 27 30 33
RH 49 56 77 83 53 70 83 93 57 65 77 83 44 53 67 72 55 62
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC SC B1 B1 SC B1 B2 B2 B2 OV B2 B2 B2 B2 B2 B1
POP 12HR 20 20 40 20 50 70 50 20 20
RAIN C C S S S S
RAIN SHWRS IS IS IS SC SC IS IS IS 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