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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1232 PM EST Tue Mar 3 2026
NCZ005-032100-
RAWS 310540
36.38N 79.70W Elev. 858 ft
1232 PM EST Tue Mar 3 2026
Date Tue 03/03/26 Wed 03/04/26 Thu 03/05/26
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 46 74 54 77
TEMP 46 57 52 50 49 48 47 58 70 74 66 61 59 56 54 65 75 77 71
DEWPT 40 43 46 46 47 47 47 50 52 52 53 53 53 53 53 56 56 55 54
MAX/MIN RH 53 97 47 97 46
RH 79 59 80 86 93 96100 75 53 46 63 75 80 90 96 73 52 47 55
WIND DIR SW SW S SW SW SW SW SW SW SW S S SW SW SW SW SW SW S
WIND SPD 3 6 4 5 5 5 5 5 6 5 3 4 4 5 5 8 10 10 5
CLOUDS OV B2 B1 B1 B1 B1 B1 B1 SC SC SC B1 B1 B1 B1 B1 SC SC B1
CLOUDS(%) 100 75 64 56 52 53 62 59 31 37 42 55 66 66 57 57 45 38 51
VSBY 10 10 10 10 8 7 8 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 0 5 0 5
MIX HGT 2 2 <1 <1 <1 <1 <1 1 3 3 <1 <1 <1 <1 <1 2 4 6 <1
T WIND DIR SW S SW SW SW SW SW W W W SW SW SW SW SW W W SW S
T WIND SPD 3 5 8 4 4 4 4 9 10 11 4 5 6 5 5 11 9 9 4
DISPERSION VP PR PR PR VP VP VP PR PR
ADI 6 12 5 3 3 3 5 14 34 28 3 4 5 4 6 23 26 41 3
MAX LVORI 3 2 3 5 6 8 7 3 1 2 3 3 4 6 6 3 2 1 2
STABILITY D D E E E E D B B D E E E E B B D C E
CEILING 700 None None None None None 11000 None None
STA PRES 29.60 29.58 29.55 29.54 29.48 29.5 29.48 29.52 29.46
Date Fri 03/06/26Sat 03/07/26Sun 03/08/26Mon 03/09/26
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 58 81 61 80 62 78 59 76
TEMP 63 58 78 74 65 62 78 75 68 62 76 72 64 60 73 69
DEWPT 56 56 58 57 59 59 59 57 59 58 56 55 57 56 55 55
RH 78 93 50 55 81 90 52 54 73 87 50 55 78 87 53 61
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 SC FW FW FW SC B1 B1 B2 B2 B1 B1 B1 B1 B2
POP 12HR 5 20 10 40 40 50 40 50
RAIN SHWRS IS SC SC IS IS SC SC SC SC SC
TSTMS IS 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