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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
232 PM EST Wed Mar 4 2026
NCZ003-050900-
RAWS 310301
36.48N 80.86W Elev. 1300 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 50 76 53 78 56
TEMP 70 64 57 53 51 50 62 73 75 69 62 58 56 54 66 76 78 71 64 60 58 58
DEWPT 55 54 52 52 51 50 55 55 56 55 55 54 54 53 58 59 58 58 57 57 56 56
MIN/MAX RH 100 51 100 50 98
RH 59 70 83 96100100 78 53 52 61 78 86 93 96 75 56 50 63 78 90 93 93
WIND DIR SW S N N N N S S S S SW SW N N SW S S S SW SW SW SW
WIND SPD 2 1 0 0 0 0 2 4 5 2 1 1 0 0 1 3 3 1 1 1 1 2
CLOUDS B1 SC B1 B1 B1 B1 SC SC SC SC SC B1 B1 B1 SC SC SC SC SC SC SC SC
CLOUDS(%) 53 46 57 68 54 58 38 29 29 43 42 51 61 64 47 50 50 30 29 35 37 47
VSBY 10 10 10 10 10 7 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 5 5 30 10
RAIN SHWRS SC SC
MIX HGT 4 <1 <1 <1 <1 <1 1 4 5 1 1 <1 <1 <1 2 5 5 <1
T WIND DIR SW S S SW SW SW SW SW SW S S SW SW W SW SW S S
T WIND SPD 9 5 3 2 2 3 4 5 6 6 9 8 3 2 2 5 8 6
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 34 3 2 1 1 3 9 27 41 3 4 4 2 2 6 31 50 3
MAX LVORI 1 3 5 8 10 9 4 2 1 3 4 6 7 10 4 1 1 3
STABILITY C F F F F C B B B F F F F C A B B G
CEILING 3800 None None None None 700 None None None
STA PRES 28.30 28.25 28.29 28.26 28.29 28.29 28.34 28.31
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 77 57 74 53 73 54 77 59 74
TEMP 74 69 63 58 70 66 58 55 69 65 58 56 73 70 63 60 70 68
DEWPT 59 58 58 55 55 53 51 49 50 51 50 51 56 55 57 56 58 56
RH 59 68 84 90 59 63 77 80 51 60 75 83 55 59 81 87 66 65
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 B2 B2 B2 B1 B2 B2 B1 SC SC SC SC SC B2 B2 B2
POP 12HR 40 30 50 30 30 10 30 10 40
RAIN SHWRS SC SC IS SC SC SC IS IS SC SC IS SC
TSTMS 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