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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
302 PM EDT Mon Mar 16 2026
NCZ003-170800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
302 PM EDT Mon Mar 16 2026
Date 03/16/26 Tue 03/17/26 Wed 03/18/26 Thu
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 22 40 20 44 27
TEMP 48 38 31 28 25 23 32 38 38 32 27 23 21 24 32 40 43 39 34 31 29 30
DEWPT 43 27 18 15 12 12 13 12 11 9 10 11 10 11 12 15 18 20 21 22 23 25
MIN/MAX RH 84 32 61 34 82
RH 83 64 58 58 57 62 45 34 32 37 48 59 62 57 43 36 36 46 58 69 78 81
WIND DIR NW NW W W NW W W W W NW NW NW N N S S S S N N N N
WIND SPD 12 12 10 8 6 5 6 10 9 3 1 1 1 0 2 3 3 1 0 0 0 0
WIND GUST 28 35 34 27 23 18 19 21 20
CLOUDS OV SC FW SC FW FW FW FW SC FW SC SC SC SC SC SC SC SC SC SC B1 B1
CLOUDS(%) 98 48 11 38 21 17 18 18 41 6 31 49 46 47 29 26 40 50 41 44 52 57
VSBY 4 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
RAIN SHWRS O
MIX HGT 2 2 3 5 4 4 5 6 7 2 <1 <1 1 1 3 4 4 1
T WIND DIR NW NW NW NW NW NW W W W NW NW NW NW S S S S S
T WIND SPD 29 33 31 33 27 20 19 18 20 13 10 8 5 5 9 11 16 5
DISPERSION FR FR PR PR VP VP VP VP VP VP VP VP
ADI 61 45 21 22 12 89111 83 98 6 5 4 3 10 35 57 78 3
MAX LVORI 4 1 2 2 2 1 1 1 1 2 2 3 3 2 1 1 1 2
STABILITY D D E E F B B C C G G F F A B B B F
CEILING None None None None None None None None None
STA PRES 27.87 28.01 28.12 28.15 28.27 28.30 28.35 28.28
Date 03/19Fri 03/20/26Sat 03/21/26Sun 03/22/26Mon 03/23/26
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 60 37 69 45 73 48 75 43 66
TEMP 57 53 42 39 66 60 50 48 70 65 54 50 72 65 51 44 61 55
DEWPT 37 39 37 37 43 43 43 43 47 47 46 45 45 43 38 34 35 32
RH 47 59 82 92 43 53 77 83 44 52 74 83 38 45 61 68 38 41
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC FW FW SC SC SC B1 B1 B1 SC SC SC FW FW SC SC SC
POP 12HR 5 5 5 10 10 10 5 10 10
$$
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