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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
232 PM EST Wed Mar 4 2026
NCZ001-050900-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
232 PM EST Wed Mar 4 2026
Date 03/04/26 Thu 03/05/26 Fri 03/06/26 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
EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX TEMP 49 67 51 67 54
TEMP 59 55 51 50 49 49 57 63 64 58 55 53 52 51 61 66 64 59 56 55 54 54
DEWPT 50 49 49 48 47 44 47 47 48 50 49 49 49 48 52 51 53 53 52 51 52 50
MIN/MAX RH 92 54 90 59 93
RH 72 80 93 93 93 83 69 56 56 75 80 86 89 89 72 58 67 80 86 86 93 86
WIND DIR W W SW W SW W W SW SW SW SW SW W W SW SW S S S S S S
WIND SPD 10 8 9 10 9 8 9 9 10 10 10 10 10 9 8 9 10 10 10 11 11 11
CLOUDS B1 SC B1 B1 B1 B1 SC SC SC SC SC B1 B1 B1 B1 B1 B1 FW FW SC SC SC
CLOUDS(%) 59 44 69 67 59 63 40 34 41 50 44 54 60 61 52 54 54 22 20 36 32 36
VSBY 10 10 10 10 8 3 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 5 0 30 10
RAIN SHWRS SC SC
MIX HGT 4 <1 <1 <1 <1 <1 2 4 4 <1 <1 <1 <1 <1 2 4 3 <1
T WIND DIR W SW SW SW SW W W W W S SW SW W NW W SW SW SW
T WIND SPD 13 3 2 3 4 4 6 16 12 5 3 3 3 3 6 6 5 3
DISPERSION PR PR FR PR FR FR FR FR FR FR FR FR
ADI 36 3 2 3 4 5 15 63 49 5 3 3 3 4 14 19 15 2
MAX LVORI 3 5 6 6 6 5 3 1 1 3 5 5 6 6 3 2 3 4
STABILITY D D D D D B C C C D D D D D D D D E
CEILING 600 12200 None None None 8300 None None None
STA PRES 26.86 26.81 26.84 26.82 26.85 26.86 26.90 26.88
Date 03/07Sun 03/08/26Mon 03/09/26Tue 03/10/26Wed 03/11/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN TEMP 65 52 59 50 62 51 64 55 62
TEMP 61 58 55 54 56 55 53 51 57 56 53 52 61 59 57 56 58 57
DEWPT 52 52 51 49 50 46 45 42 43 43 45 44 49 49 52 50 52 51
RH 72 80 86 83 80 72 74 71 59 62 74 74 65 69 83 80 80 80
WIND SPD <15 <15 <15 <15 <15 <15 <15 15> 15>
AVG CLOUDS SC B1 B1 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC B2 B2 B2
POP 12HR 50 30 50 30 30 20 30 20 50
RAIN SHWRS SC SC SC SC SC SC IS SC SC IS SC IS IS SC
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