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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
432 AM EST Sat Mar 7 2026
NCZ005-072100-
RAWS 310540
36.38N 79.70W Elev. 858 ft
432 AM EST Sat Mar 7 2026
Date Sat 03/07/26 Sun 03/08/26 Mon 03/09/26
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 78 63 75 55 77
TEMP 61 69 75 77 74 69 67 66 64 68 73 73 67 63 60 57 55 66 75 77 70
DEWPT 61 63 62 60 60 60 61 62 62 61 59 57 57 56 55 54 54 56 54 50 50
MAX/MIN RH 54 95 58 97 40
RH 100 81 64 56 62 73 81 87 93 78 62 57 70 78 84 90 96 70 48 39 49
WIND DIR SW SW SW SW SW SW SW SW SW SW SW W W W NW W W W SW SW SW
WIND SPD 5 10 12 13 9 10 11 10 9 10 10 8 3 2 2 2 2 3 5 5 3
WIND GUST 20
CLOUDS SC B1 B1 B1 SC SC B2 B2 B2 B2 OV B2 B2 SC SC SC SC SC SC SC FW
CLOUDS(%) 42 54 62 57 35 44 78 82 77 84 91 82 84 39 37 35 39 28 35 35 7
VSBY 9 10 10 10 10 10 9 9 9 10 10 10 10 10 10 10 10
POP 12HR 20 50 70 20 20
RAIN SHWRS IS IS IS IS SC NM NM NM NM IS IS IS IS
TSTMS IS IS SC IS
MIX HGT <1 2 3 4 3 2 2 2 2 2 4 2 <1 <1 <1 <1 <1 1 4 6 <1
T WIND DIR S SW SW SW SW SW SW SW SW SW SW W SW NE N N N N W W SW
T WIND SPD 3 17 17 23 25 20 19 20 14 18 16 10 1 1 4 9 9 8 9 8 3
DISPERSION PR FR FR FR VP VP VP VP VP
ADI 4 32 44 65 17 23 22 28 27 34 43 21 1 1 2 4 10 12 45 55 2
MAX LVORI 9 3 1 1 2 3 3 4 4 3 1 2 4 4 5 6 6 3 1 1 2
STABILITY B D D D E D D D D D D D F G G G B B B B G
CEILING 600 None None 800 1100 1500 None None None None
STA PRES 29.47 29.36 29.31 29.25 29.25 29.23 29.28 29.31 29.36 29.31
Date Tue 03/10/26Wed 03/11/26Thu 03/12/26Fri 03/13/26
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 81 62 83 55 66 36 57
TEMP 60 56 79 75 66 63 80 78 70 57 56 49 42 37 54 54
DEWPT 52 52 55 57 59 60 59 57 57 51 34 23 24 25 25 30
RH 75 86 44 54 78 90 49 48 63 80 43 36 48 61 32 40
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC B1 FW SC B2 B2 B2 B2 B1 SC SC SC SC SC
POP 12HR 20 30 10 30 70 50 20 20
RAIN SHWRS IS IS SC SC SC NM SC IS IS IS IS IS
$$
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