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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
202 PM EST Sat Mar 7 2026
NCZ003-080900-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
202 PM EST Sat Mar 7 2026
Date 03/07/26 Sun 03/08/26 Mon 03/09/26 Tue
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 61 72 52 75 51
TEMP 76 72 68 65 63 61 65 70 72 66 61 57 53 52 62 71 75 68 60 56 53 52
DEWPT 60 58 60 60 60 59 60 58 56 54 53 50 49 49 52 51 47 46 47 46 45 45
MIN/MAX RH 94 58 89 38 79
RH 58 61 76 84 90 93 84 66 57 65 75 77 86 89 70 49 37 45 62 69 74 77
WIND DIR SW SW SW SW SW SW W W W W NW N N NW SW SW SW SW W W NW W
WIND SPD 13 12 12 10 9 6 6 8 6 3 3 3 2 2 2 4 5 3 3 3 2 2
WIND GUST 25 18
CLOUDS SC SC B1 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC FW FW FW FW SC FW SC SC
CLOUDS(%) 38 35 52 74 81 73 71 83 84 60 40 31 32 32 21 13 13 7 47 20 45 49
VSBY 10 10 10 10 9 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 40 70 10 10 10
RAIN SHWRS IS SC SC SC NM SC
TSTMS IS IS IS SC IS
MIX HGT 4 2 2 2 2 1 2 4 5 <1 <1 <1 <1 <1 1 5 7 <1
T WIND DIR SW S SW SW SW SW W W W W NW N N N N SW SW SW
T WIND SPD 23 11 11 10 13 14 21 20 14 8 6 3 2 2 1 10 6 3
DISPERSION FR FR FR PR VP VP VP VP VP VP VP VP
ADI 90 15 13 12 15 23 39 81 46 4 3 2 1 2 2 63 54 2
MAX LVORI 1 2 4 4 5 5 4 1 1 3 4 5 5 6 3 1 1 2
STABILITY C D D D D D D C D F G G G B B B B G
CEILING None 700 900 5600 None None None None None
STA PRES 28.98 28.90 28.90 28.91 29.00 29.03 29.07 29.01
Date 03/10Wed 03/11/26Thu 03/12/26Fri 03/13/26Sat 03/14/26
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 78 59 81 50 63 33 54 41 66
TEMP 75 72 61 59 78 76 68 53 50 45 38 33 51 52 46 42 62 59
DEWPT 52 55 56 57 59 56 57 51 31 20 21 21 23 28 33 35 37 38
RH 45 55 84 93 52 50 68 93 48 36 50 61 33 39 60 76 39 45
WIND SPD <15 <15 <15 15> 15> <15 <15 <15 <15
AVG CLOUDS SC SC SC B1 B2 B2 B2 B2 B2 B1 SC FW SC SC SC SC B1 SC
POP 12HR 20 5 10 60 60 20 20 20 10
RAIN L C S S S S
RAIN SHWRS IS IS NM
$$
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