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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1032 PM EDT Wed Mar 11 2026
NCZ005-120800-
RAWS 310540
36.38N 79.70W Elev. 858 ft
1032 PM EDT Wed Mar 11 2026
Date 03/11/26 Thu 03/12/26 Fri 03/13/26 Sat
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 49 54 31 57 41
TEMP 75 71 67 54 48 45 47 42 39 36 34 33 46 55 57 54 50 48 44 42
DEWPT 53 56 59 50 40 33 28 26 25 24 24 25 26 29 30 32 33 35 35 35
MIN/MAX RH 88 47 74 34 76
RH 46 59 75 86 74 62 47 53 57 61 66 72 45 37 35 43 52 60 70 76
WIND DIR SW SW W NW N N N W W W SW S S SW SW SW SW SW W W
WIND SPD 12 12 10 12 17 13 10 4 2 2 2 4 10 13 14 10 9 5 4 3
WIND GUST 23 24 24
CLOUDS FW B2 OV OV OV OV FW FW CL FW FW FW FW FW FW SC FW FW FW SC
CLOUDS(%) 7 75 93 96 95 90 22 12 4 9 10 10 15 21 24 28 10 16 24 49
VSBY 10 10 10 10 4 4 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 70 80 0 0 0
RAIN SHWRS SC O NM IS
MIX HGT 1 2 2 2 3 3 6 <1 <1 <1 <1 <1 3 4 4 2
T WIND DIR SW SW SW NW N N N N NW SW W S S SW SW SW
T WIND SPD 19 20 20 23 27 13 18 2 3 2 2 2 16 19 23 10
DISPERSION FR FR FR VP VP VP VP FR PR PR VP
ADI 18 23 28 43 63 33 83 1 2 1 1 2 52 53 63 7
MAX LVORI 2 2 3 4 4 3 1 2 2 3 3 3 1 1 1 2
STABILITY D D D D D D C F G G G B C D D E
CEILING 8800 1100 None None None None None None
STA PRES 29.07 29.27 29.36 29.47 29.48 29.48 29.34
Date 03/14Sun 03/15/26Mon 03/16/26Tue 03/17/26Wed 03/18/26
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 67 44 70 55 66 30 46 27 49
TEMP 64 61 49 45 67 65 61 59 61 52 37 31 43 40 32 28 46 43
DEWPT 35 39 38 41 49 52 56 57 43 27 20 16 11 11 13 15 16 20
RH 34 44 66 86 52 63 84 93 51 38 50 53 27 30 45 58 29 39
WIND SPD <15 <15 <15 <15 15> <15 <15 <15 <15
AVG CLOUDS B1 SC SC SC B1 B1 B2 OV B2 B2 B1 SC FW FW SC B1 SC SC
POP 12HR 0 5 20 70 70 20 10 5 5
RAIN SHWRS IS SC NM NM 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