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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
132 PM EDT Fri Mar 13 2026
VAZ018-132000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
132 PM EDT Fri Mar 13 2026
Date Fri 03/13/26 Sat 03/14/26 Sun 03/15/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
MAX/MIN TEMP 59 38 62 41 59
TEMP 55 58 54 50 46 41 38 49 59 62 55 49 46 43 42 50 56 58 55
DEWPT 26 28 30 32 30 28 28 28 27 29 33 33 34 34 35 42 45 47 47
MAX/MIN RH 31 65 27 77 66
RH 32 32 40 50 53 59 67 44 29 28 43 54 63 70 76 74 66 67 74
WIND DIR SW SW W W W W W NW W W E SE SE SE SE SE SE SE SE
WIND SPD 12 12 10 10 11 10 6 6 5 3 1 2 2 2 2 6 9 8 6
WIND GUST 35 37 35 35 35 33 27 25 19 13 12 13 13 14 23 26 27 26
CLOUDS FW FW CL CL FW FW FW SC B1 SC SC FW FW SC SC B2 B2 OV OV
CLOUDS(%) 18 13 4 2 7 11 6 35 55 41 34 22 20 39 50 72 79 88 89
VSBY 10 10 10 10 10 10 10 10 10 10 9 9 10 10
POP 12HR 0 0 5 0 30
RAIN SHWRS SC SC SC
MIX HGT 4 5 4 4 3 1 <1 2 3 4 <1 <1 <1 <1 <1 1 2 3 1
T WIND DIR SW SW SW W W NW W W W S SE SE SE SE SE S SE SE E
T WIND SPD 26 33 12 14 16 14 11 11 9 9 11 5 5 5 5 16 10 9 4
DISPERSION FR FR FR FR VP VP VP VP PR
ADI 73 99 8 10 11 10 12 36 39 46 5 3 3 3 6 25 22 24 3
MAX LVORI 1 1 2 2 2 2 3 1 1 1 2 3 3 3 4 3 3 3 4
STABILITY D D E E E E B B B B F G G G B D D D E
CEILING None None None None None None None 1600 300
STA PRES 27.61 27.67 27.75 27.89 27.88 27.92 27.89 27.90 27.82
Date Mon 03/16/26Tue 03/17/26Wed 03/18/26Thu 03/19/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MIN/MAX TEMP 51 63 25 36 22 47 31 58
TEMP 55 58 62 44 31 26 34 29 25 24 43 38 34 33 55 48
DEWPT 52 55 52 30 16 10 7 3 5 8 9 17 20 22 33 35
RH 90 90 70 57 53 50 32 32 42 50 24 42 56 63 43 60
WIND SPD <15 <15 15> <15 <15 <15 <15 <15
AVG CLOUDS B2 OV B2 B2 B2 B1 B1 SC SC SC SC SC SC B1 B1 B1
POP 12HR 80 90 40 5 0 5 10 10
RAIN SHWRS SC O O O SC
TSTMS 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