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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
440 AM EDT Sat Mar 14 2026
NCZ005-142000-
RAWS 310540
36.38N 79.70W Elev. 858 ft
440 AM EDT Sat Mar 14 2026
Date Sat 03/14/26 Sun 03/15/26 Mon 03/16/26
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 68 43 69 57 68
TEMP 45 43 56 65 67 60 53 50 46 44 55 66 68 60 58 58 58 59 63 67 63 55
DEWPT 35 34 30 28 29 34 34 35 37 39 47 51 52 54 56 57 58 59 60 59 53 43
MAX/MIN RH 24 85 55 100 64
RH 68 70 37 25 24 37 48 56 71 82 74 58 57 81 93 96100100 90 75 70 64
WIND DIR W W NW N SE E SE SE SE NE E SE SE E SE S S S S S SW W
WIND SPD 5 4 4 3 3 3 4 4 3 3 5 10 10 6 6 8 11 12 14 19 18 14
WIND GUST 19 19 24 27 32 33 29
CLOUDS CL FW FW SC FW FW CL FW FW SC B1 B1 B2 OV OV OV OV OV OV OV OV B2
CLOUDS(%) 3 22 13 34 19 14 4 7 12 38 60 64 75 94 97100 99 98 97 96 92 76
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 3 1 2 4 10 10 10 10 10
POP 12HR 0 0 40 60 90
RAIN SHWRS SC SC SC SC SC NM NM NM O NM IS
TSTMS IS IS
MIX HGT <1 <1 2 4 5 <1 <1 <1 <1 <1 2 4 3 2 <1 1 2 3 4 5 4 2
T WIND DIR SW SW NW NW S E E E SE E S S SE SE SE S S S S S S SW
T WIND SPD 5 3 9 5 3 3 5 5 3 3 10 18 18 14 11 20 20 17 23 34 46 24
DISPERSION PR VP VP VP VP PR PR PR FR GD
ADI 3 4 28 26 19 2 3 3 2 4 20 51 47 10 8 19 23 40 64109127 27
MAX LVORI 3 3 2 2 2 2 2 3 3 5 3 1 1 4 6 5 5 4 4 3 1 3
STABILITY F B B B B G F F G B D D D E E D D D D D D D
CEILING None None None None 1100 1600 300 400 1200 1900
STA PRES 29.43 29.43 29.46 29.44 29.43 29.28 29.17 29.07 28.97 28.78
Date Tue 03/17/26Wed 03/18/26Thu 03/19/26Fri 03/20/26
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 29 43 23 47 31 60 40 69
TEMP 37 29 41 38 29 25 44 43 36 34 57 53 45 41 66 61
DEWPT 24 15 9 9 12 13 11 21 24 26 30 37 36 37 41 40
RH 59 55 26 29 48 60 26 41 61 72 35 54 70 85 40 46
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 FW FW SC FW SC SC B1 SC B1 SC FW FW FW SC SC
POP 12HR 20 0 0 0 0 0 5 10
RAIN SHWRS IS
SNOWSHWRS 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