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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
303 PM EST Mon Mar 2 2026
NCZ003-030900-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
303 PM EST Mon Mar 2 2026
Date 03/02/26 Tue 03/03/26 Wed 03/04/26 Thu
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 36 55 45 74 50
TEMP 40 40 37 37 36 37 41 50 53 55 50 49 46 46 60 71 74 67 58 55 52 50
DEWPT 34 34 32 35 35 37 39 43 45 49 47 46 45 44 51 53 53 53 52 51 50 49
MIN/MAX RH 100 73 98 49 98
RH 79 79 82 92 96100 92 77 74 80 89 89 96 93 72 53 48 61 80 86 93 96
WIND DIR E E E N N S S S S S SW SW N N SW SW S S SW SW W W
WIND SPD 2 2 2 0 0 1 1 4 5 3 1 1 0 0 1 3 3 1 1 1 1 1
CLOUDS OV OV OV B2 B2 B2 B2 B1 B2 B2 SC B1 SC B1 SC B1 B1 B1 B1 B1 B1 B1
CLOUDS(%) 100100100 87 77 80 82 60 84 78 48 58 45 58 49 57 55 58 59 69 66 56
VSBY 9 7 7 5 3 3 8 10 10 10 10 8 7 9 10 10 10 10 10 10 10 10
POP 12HR 40 10 10 5 5
RAIN C C
Obvis PF PF PF
MIX HGT 2 1 1 1 1 <1 1 2 2 1 1 <1 <1 <1 2 4 4 <1
T WIND DIR E E E E E SE S SW SW S SW SW SW W W W SW S
T WIND SPD 4 5 8 5 3 2 2 6 8 5 5 3 2 2 5 9 4 8
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 8 6 7 3 2 2 3 13 17 3 3 2 1 2 12 34 18 4
MAX LVORI 4 4 4 6 8 9 6 4 3 5 6 7 8 8 3 1 2 3
STABILITY D D D F F C C D D F F F F A A C C F
CEILING 200 100 100 100 None None None None 2200
STA PRES 28.48 28.44 28.45 28.37 28.36 28.34 28.38 28.33
Date 03/05Fri 03/06/26Sat 03/07/26Sun 03/08/26Mon 03/09/26
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 77 54 80 57 79 58 77 57 75
TEMP 74 70 59 55 77 72 62 57 77 73 63 58 75 71 62 58 71 69
DEWPT 55 55 53 51 57 56 56 55 57 55 56 55 56 55 56 55 58 57
RH 51 59 80 86 50 57 81 93 50 53 78 90 52 57 81 90 63 66
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 SC SC FW SC FW FW FW B1 B1 B1 SC B1 B2 B2 B2 B2
POP 12HR 5 5 10 5 30 20 30 40 50
RAIN SHWRS SC IS IS IS SC SC SC SC SC
$$
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