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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
102 PM EST Thu Mar 5 2026
NCZ003-052100-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
102 PM EST Thu Mar 5 2026
Date Thu 03/05/26 Fri 03/06/26 Sat 03/07/26
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 77 54 78 57 76
TEMP 77 70 61 58 55 54 67 76 78 71 64 61 59 57 66 73 75 71
DEWPT 55 55 54 54 53 52 58 58 57 58 58 58 58 57 62 61 60 58
MAX/MIN RH 47 95 49 100 59
RH 47 59 78 86 93 93 73 54 48 63 81 90 96100 87 66 60 63
WIND DIR SW S S N N N S SW S S SW S S S S SW SW SW
WIND SPD 5 2 1 0 0 0 1 3 3 1 1 1 1 1 3 6 6 3
WIND GUST 18 18 13
CLOUDS SC SC SC B1 B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 B1
CLOUDS(%) 35 49 38 55 53 68 35 36 45 36 28 37 56 63 66 67 67 68
VSBY 10 10 10 10 10 10 10 10 10 10 10 6 3 3 10 10 10 10
POP 12HR 0 5 20 10 50
RAIN SHWRS SC SC SC
TSTMS IS IS
Obvis PF PF PF
MIX HGT 5 <1 <1 <1 <1 <1 2 5 5 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR SW S SW SW SW W W W SW S SW SW S S SW SW SW S
T WIND SPD 12 10 9 5 3 2 3 6 5 5 2 4 4 5 10 14 14 11
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 74 5 4 3 2 2 8 39 34 3 1 2 2 5 24 33 39 5
MAX LVORI 1 3 4 6 7 8 3 1 1 3 5 6 8 9 4 3 1 3
STABILITY B F G F F C A B B G G G F C C D D F
CEILING None None None None None None None 700 2000
STA PRES 28.24 28.28 28.30 28.35 28.34 28.36 28.33 28.32 28.25
Date Sun 03/08/26Mon 03/09/26Tue 03/10/26Wed 03/11/26
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 74 53 74 55 78 58 77
TEMP 63 58 73 65 57 54 71 65 58 56 75 69 62 60 73 71
DEWPT 58 56 55 53 51 50 51 51 50 52 58 57 57 56 59 56
RH 84 93 53 65 80 86 49 60 75 86 55 66 84 87 62 59
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B2 B2 B1 B1 B1 B1 SC SC B1 SC SC B1 B2 B2
POP 12HR 50 50 20 30 20 30 10 30
RAIN SHWRS SC SC SC SC IS SC IS IS IS 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