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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1202 PM EST Wed Mar 4 2026
NCZ001-042100-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
1202 PM EST Wed Mar 4 2026
Date Wed 03/04/26 Thu 03/05/26 Fri 03/06/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
MAX/MIN TEMP 60 49 65 51 66
TEMP 57 60 57 52 51 50 49 59 65 64 59 56 55 53 51 60 64 66 61
DEWPT 50 49 49 49 48 46 46 48 48 48 49 49 49 49 49 51 52 52 52
MAX/MIN RH 68 90 54 92 60
RH 77 67 75 89 89 86 89 67 54 56 69 77 80 86 93 72 65 61 72
WIND DIR W W SW SW SW W W SW SW SW S SW SW W W SW SW S S
WIND SPD 10 10 8 9 10 10 9 10 10 11 10 10 10 10 9 8 9 10 10
CLOUDS B1 B1 SC B1 B2 B1 B1 SC B1 B1 SC SC SC SC B1 FW B1 B1 FW
CLOUDS(%) 53 52 46 52 70 56 51 50 57 52 41 44 50 44 55 25 53 53 22
VSBY 10 10 10 10 8 7 3 10 10 10 10 10 10 9 6 10 10 10 10
POP 12HR 5 0 10 5 30
RAIN SHWRS SC SC
TSTMS IS
MIX HGT 3 3 <1 <1 <1 <1 <1 2 4 4 <1 <1 <1 <1 <1 3 4 3 <1
T WIND DIR W SW S S SW SW W W W W SW W W W NW W SW SW S
T WIND SPD 12 8 6 9 6 9 4 20 23 16 6 4 4 3 4 9 8 4 6
DISPERSION PR PR FR FR FR FR FR FR FR
ADI 30 20 6 8 6 8 4 48 66 47 6 4 4 3 5 30 22 11 5
MAX LVORI 3 3 3 5 5 5 6 1 1 1 3 4 4 6 6 3 2 2 3
STABILITY D D D D D D C C D D D D D D D B D D E
CEILING None 600 None None None None None None None
STA PRES 26.86 26.86 26.82 26.85 26.83 26.84 26.86 26.92 26.88
Date Sat 03/07/26Sun 03/08/26Mon 03/09/26Tue 03/10/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MIN/MAX TEMP 54 66 52 61 50 63 52 67
TEMP 56 54 66 59 55 53 61 56 53 50 61 58 55 53 66 60
DEWPT 52 51 53 52 50 49 47 46 45 44 45 47 47 48 50 50
RH 86 90 63 78 83 86 60 69 74 80 56 67 74 83 56 69
WIND SPD <15 <15 15> <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC B2 B2 B2 B1 B1 B1 SC SC B1 SC SC SC B1
POP 12HR 5 70 50 50 30 40 20 40
RAIN SHWRS NM SC SC SC SC SC SC IS SC IS IS SC
TSTMS 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