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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
333 AM EST Tue Mar 3 2026
NCZ003-032100-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
333 AM EST Tue Mar 3 2026
Date Tue 03/03/26 Wed 03/04/26 Thu 03/05/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
MAX/MIN TEMP 57 45 71 52 76
TEMP 37 37 40 49 54 54 51 49 46 46 57 69 71 66 60 56 54 52 61 73 75 70
DEWPT 33 36 38 42 45 46 47 46 45 44 49 51 52 52 53 52 51 51 54 55 53 54
MAX/MIN RH 65 96 50 95 47
RH 85 96 92 77 71 74 86 89 96 93 75 53 51 61 78 86 90 96 78 53 46 57
WIND DIR NE NE W SW SW SW SW SW SW W SW SW SW S SW SW SW SW SW SW SW S
WIND SPD 3 2 2 4 5 5 5 4 3 2 3 5 5 5 5 4 4 3 5 8 9 8
CLOUDS OV OV OV B2 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 SC
CLOUDS(%) 94 89 91 82 59 72 54 64 59 64 52 58 65 58 59 67 49 41 55 62 55 39
VSBY 8 8 9 10 10 10 9 9 7 3 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 10 5 5 5 10
RAIN S
MIX HGT <1 <1 <1 2 2 <1 <1 <1 <1 <1 <1 2 4 <1 <1 <1 <1 <1 1 4 6 <1
T WIND DIR NE NE E W SW SW SW SW SW SW SW SW W SW SW SW SW SW W W SW S
T WIND SPD 5 5 1 3 4 6 3 3 3 3 4 8 9 9 10 8 8 8 4 5 8 3
DISPERSION VP PR PR VP VP PR PR VP VP PR
ADI 3 6 1 6 9 5 2 2 2 3 5 17 24 6 7 5 5 8 7 16 36 2
MAX LVORI 6 7 7 3 3 3 5 6 8 6 4 2 2 3 4 5 6 6 4 2 1 3
STABILITY F C C D D E E E F C C D D E E E E B D D C E
CEILING 100 700 0 None 700 1400 1000 None None None
STA PRES 29.35 29.27 29.25 29.22 29.22 29.16 29.17 29.15 29.20 29.15
Date Fri 03/06/26Sat 03/07/26Sun 03/08/26Mon 03/09/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MIN/MAX TEMP 55 79 59 77 59 74 58 74
TEMP 61 56 77 73 63 59 75 73 64 59 74 68 62 58 72 69
DEWPT 53 53 56 55 57 56 58 56 56 56 57 57 57 55 56 54
RH 75 90 48 53 81 90 55 55 75 90 55 68 84 90 57 59
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC FW FW SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2
POP 12HR 5 20 5 40 40 60 40 50
RAIN SHWRS IS SC SC IS SC NM 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