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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1232 AM EST Sun Mar 8 2026
NCZ005-090900-
RAWS 310540
36.38N 79.70W Elev. 858 ft
1232 AM EST Sun Mar 8 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 63 74 53 76 52
TEMP 67 65 63 69 73 73 67 62 59 55 53 63 73 75 69 62 58 55 53
DEWPT 60 61 61 62 60 58 58 56 53 51 50 52 53 50 51 50 50 49 49
MIN/MAX RH 93 60 90 42 87
RH 78 87 93 78 64 59 73 81 80 86 89 67 49 41 53 65 75 80 86
WIND DIR SW SW SW W W W W NW N N N W SW SW SW SW SW SW SW
WIND SPD 11 11 10 10 10 8 2 2 2 2 2 2 5 5 2 2 2 2 2
CLOUDS B1 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC FW FW FW SC FW FW SC
CLOUDS(%) 68 79 80 82 86 83 74 54 33 33 42 28 19 19 8 35 20 25 40
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 50 70 10 10 5
RAIN SHWRS IS SC SC SC NM SC
TSTMS IS IS IS SC IS
MIX HGT 2 2 2 2 4 2 <1 <1 <1 <1 <1 1 5 7 <1
T WIND DIR SW SW SW SW W W W N N N N NE SW SW SW
T WIND SPD 10 11 20 28 21 16 5 8 4 2 2 3 9 8 2
DISPERSION FR FR VP VP VP VP VP VP VP VP
ADI 14 15 41 59 60 34 3 4 2 1 2 6 49 60 1
MAX LVORI 4 4 4 3 1 1 3 4 5 6 6 3 1 1 2
STABILITY D D D D D D F F G G B B B B G
CEILING 2100 1500 3500 None None None None None
STA PRES 29.23 29.22 29.21 29.31 29.36 29.39 29.33
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 81 60 83 54 68 35 56 43 67
TEMP 77 73 64 62 80 78 71 57 55 48 40 35 53 53 49 44 64 61
DEWPT 53 55 58 60 60 58 58 54 37 22 22 23 24 29 35 36 38 39
RH 43 53 81 93 51 50 63 90 51 35 48 61 32 39 58 73 38 44
WIND SPD <15 <15 <15 <15 15> <15 <15 <15 <15
AVG CLOUDS FW SC SC B1 B2 B2 B2 B2 B2 B1 SC FW SC SC SC SC B1 SC
POP 12HR 20 5 10 50 60 20 20 20 10
RAIN L C S S S
RAIN SHWRS IS IS 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