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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
132 AM EDT Mon Mar 9 2026
NCZ001-100800-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
132 AM EDT Mon Mar 9 2026
Date 03/08/26 Mon 03/09/26 Tue 03/10/26 Wed
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
MIN/MAX TEMP 46 62 51 65 55
TEMP 49 48 47 52 58 61 55 52 52 52 52 58 63 65 61 57 56 56 57
DEWPT 47 46 45 43 37 32 36 36 37 41 45 50 53 52 53 52 52 53 53
MIN/MAX RH 99 34 77 61 89
RH 93 93 93 71 45 33 49 54 56 66 77 75 70 63 75 83 86 90 86
WIND DIR W W W W W W W W W W W W W SW SW SW W W SW
WIND SPD 11 10 10 12 11 11 8 6 9 10 10 9 9 9 5 6 9 9 9
CLOUDS B1 SC B1 SC FW CL FW SC SC FW SC SC B1 SC SC FW SC B2 B2
CLOUDS(%) 59 48 66 37 10 4 14 37 29 16 41 46 53 48 30 15 39 72 82
VSBY 9 7 6 10 10 10 10 10 10 10 10 10 7 7 10 10 10 10 10
POP 12HR 5 0 10 20 5
RAIN SHWRS SC SC IS IS
TSTMS IS
Obvis PF
MIX HGT <1 <1 1 3 4 4 <1 <1 <1 <1 <1 1 4 3 <1 <1 <1 <1 <1
T WIND DIR W W W W W W W W W W W W W W SW SW W W W
T WIND SPD 10 10 10 18 12 11 3 3 6 5 6 11 14 13 5 4 4 6 8
DISPERSION FR FR PR PR PR FR PR PR PR PR
ADI 9 9 14 54 45 44 2 2 5 4 5 22 43 46 3 2 3 6 6
MAX LVORI 6 6 5 3 1 1 2 2 3 3 4 3 3 1 3 5 6 5 4
STABILITY D D C C C C E F E E C C D C F F E D C
CEILING None None None None None None None None 1500
STA PRES 26.71 26.76 26.74 26.79 26.80 26.82 26.78 26.78 26.74
Date 03/11Thu 03/12/26Fri 03/13/26Sat 03/14/26Sun 03/15/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MAX/MIN TEMP 69 38 44 29 52 37 55 43 60
TEMP 67 63 58 43 35 34 31 32 48 46 43 38 52 49 45 45 58 56
DEWPT 54 52 52 39 23 17 19 18 24 29 30 28 27 33 33 35 41 43
RH 63 67 80 86 61 49 61 56 39 51 60 67 38 54 62 68 53 62
WIND SPD 15> 15> 15> <15 15> 15> <15 <15 15>
AVG CLOUDS B2 B2 B2 OV B2 SC FW SC FW SC FW SC SC FW SC B1 SC SC
POP 12HR 40 80 50 5 5 0 0 0 20
RAIN SHWRS SC SC NM O SC IS
SNOWSHWRS SC IS
TSTMS 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
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