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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
432 PM EST Thu Mar 5 2026
NCZ001-060900-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
432 PM EST Thu Mar 5 2026
Date 03/05/26 Fri 03/06/26 Sat 03/07/26 Sun
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 51 68 55 66 54
TEMP 60 56 54 53 52 60 65 65 59 57 56 56 55 59 63 65 61 58 56 55 54
DEWPT 50 49 49 48 48 50 50 52 53 53 53 53 53 54 54 54 52 53 52 52 51
MIN/MAX RH 86 56 93 67 90
RH 69 77 83 83 86 69 58 63 80 86 90 90 93 83 72 68 72 83 86 90 90
WIND DIR SW W W W W W SW S SW S S S S S SW SW SW SW W W W
WIND SPD 9 10 10 10 8 6 6 8 8 10 10 10 10 12 13 14 13 14 14 14 14
CLOUDS B1 SC B1 B1 B1 SC B1 SC SC SC SC SC B1 SC B2 B2 B2 B2 B2 B2 B2
CLOUDS(%) 52 41 58 62 57 48 55 50 30 27 33 45 53 49 74 74 73 73 80 81 82
VSBY 10 10 10 10 9 10 10 10 10 10 8 6 5 10 10 10 10 10 10 8
POP 12HR 0 20 10 60 60
RAIN SHWRS IS IS IS NM NM NM NM NM NM SC
TSTMS IS IS IS IS
MIX HGT <1 <1 <1 <1 <1 2 5 3 <1 <1 <1 <1 <1 1 2 2 <1
T WIND DIR SW SW W W NW W W W S S S SW S SW SW SW S
T WIND SPD 6 3 3 4 4 6 10 6 5 8 11 8 6 9 13 13 9
DISPERSION PR FR FR FR PR FR FR FR FR GD GD GD
ADI 6 3 3 4 5 17 31 26 4 5 8 7 8 14 24 30 8
MAX LVORI 3 4 5 5 5 3 1 2 5 5 5 5 6 4 3 3 3
STABILITY D D D D B B D B E E E D D C D D D
CEILING None 600 None None None None None 500 500
STA PRES 26.85 26.86 26.93 26.91 26.93 26.88 26.88 26.81
Date 03/08Mon 03/09/26Tue 03/10/26Wed 03/11/26Thu 03/12/26
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 60 49 62 52 66 55 65 44 52
TEMP 57 55 52 51 59 56 53 53 62 60 57 56 62 59 56 50 43 41
DEWPT 50 47 45 44 44 45 47 49 52 51 51 50 51 50 50 43 32 26
RH 77 74 77 77 57 66 80 86 70 72 80 80 67 72 80 77 65 55
WIND SPD <15 <15 <15 <15 <15 <15 15> 15> 15>
AVG CLOUDS B2 B2 B1 B1 B1 SC SC SC B1 SC B1 B1 B1 B2 B2 B2 B2 B1
POP 12HR 60 20 30 20 30 10 40 50 50
RAIN SHWRS SC NM IS IS SC IS IS IS SC IS SC SC SC SC 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