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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
102 PM EDT Wed Mar 11 2026
NCZ003-112000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
102 PM EDT Wed Mar 11 2026
Date Wed 03/11/26 Thu 03/12/26 Fri 03/13/26
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 82 43 49 29 59
TEMP 80 82 76 69 64 57 46 43 46 48 44 37 34 32 31 45 55 58 53
DEWPT 62 59 57 56 56 53 40 34 26 21 19 20 20 20 19 22 25 28 30
MAX/MIN RH 46 86 33 63 30
RH 54 46 52 63 75 86 79 70 45 34 36 50 56 61 61 40 31 32 41
WIND DIR SW SW SW SW SW NW NW NW NW NW NW NW NW SW S S S SW SW
WIND SPD 8 8 5 5 5 9 14 14 12 10 3 1 1 1 2 6 10 8 3
WIND GUST 19 20 18 19 19 25 40 36 28 25 14 19 23 21 14
CLOUDS SC B1 B1 B1 B2 OV OV OV B1 FW CL CL FW FW FW FW SC SC FW
CLOUDS(%) 47 58 60 60 85 95 96 88 68 9 4 4 6 16 13 15 31 35 17
VSBY 10 10 10 10 10 10 10 4 10 10 10 10
POP 12HR 10 90 80 0 0
RAIN L L C
RAIN SHWRS SC
TSTMS IS
MIX HGT 5 7 2 2 2 2 2 3 5 6 2 <1 <1 <1 1 3 4 4 1
T WIND DIR SW SW SW SW SW W NW NW N N NW N W W S S S SW SW
T WIND SPD 18 23 12 11 8 17 27 28 32 28 16 11 1 2 4 16 17 17 10
DISPERSION PR PR PR PR VP VP VP VP VP
ADI 109166 8 8 5 19 55 66100125 7 5 1 1 7 57 62 91 5
MAX LVORI 1 1 2 3 3 4 3 3 1 1 2 2 3 3 3 1 1 1 2
STABILITY B B E E E D D D D C G G G G B B C B G
CEILING 16400 21300 9100 3700 None None None None None
STA PRES 28.01 27.96 27.95 28.08 28.17 28.28 28.29 28.31 28.19
Date Sat 03/14/26Sun 03/15/26Mon 03/16/26Tue 03/17/26
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 39 67 43 65 47 53 24 43
TEMP 45 41 64 58 47 44 60 62 58 50 49 40 31 25 40 36
DEWPT 32 31 36 39 39 40 49 52 54 45 33 21 14 10 9 10
RH 60 67 35 49 74 86 67 70 86 83 54 46 49 52 27 33
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC SC SC FW SC B2 B2 B2 OV B2 B1 SC SC SC SC
POP 12HR 0 0 5 30 60 40 10 10
RAIN SHWRS SC SC NM SC 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