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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
202 AM EST Thu Mar 5 2026
NCZ003-060900-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
202 AM EST Thu Mar 5 2026
Date 03/04/26 Thu 03/05/26 Fri 03/06/26 Sat
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 76 53 79 58
TEMP 52 51 63 74 76 70 62 58 55 54 67 76 78 72 64 61 59 58
DEWPT 51 50 56 56 55 55 55 55 53 52 58 58 59 59 59 59 58 58
MIN/MAX RH 99 49 96 51 99
RH 96 96 78 53 48 59 78 90 93 93 73 54 52 64 84 93 96100
WIND DIR N N S S S S SW SW N N S S S S S S S S
WIND SPD 0 0 2 5 5 2 1 1 0 0 1 3 3 1 1 1 1 2
CLOUDS B1 B2 B1 SC SC FW SC B1 B1 B1 SC SC SC SC SC SC SC B1
CLOUDS(%) 54 73 55 29 36 25 33 61 60 63 40 40 40 35 29 38 44 61
VSBY 10 9 10 10 10 10 10 10 10 10 10 10 10 10 10 10 9 8
POP 12HR 0 5 5 20 10
RAIN SHWRS IS IS
TSTMS IS
Obvis F F
MIX HGT <1 <1 2 4 5 1 <1 <1 <1 <1 2 5 5 <1 <1 <1 <1 <1
T WIND DIR SW SW W SW SW SW SW SW W W W SW SW S S S S SW
T WIND SPD 5 5 5 9 12 10 10 4 2 2 2 4 8 8 3 5 6 10
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 3 6 11 43 74 5 5 2 1 2 5 27 47 4 2 3 3 8
MAX LVORI 9 9 4 1 1 3 4 6 7 8 3 2 1 3 5 6 8 8
STABILITY F A B B B G G F F A A B B G G G F C
CEILING None None None 700 None None None None
STA PRES 28.29 28.24 28.27 28.28 28.35 28.34 28.33 28.29
Date 03/07Sun 03/08/26Mon 03/09/26Tue 03/10/26Wed 03/11/26
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 77 57 74 52 74 53 79 59 78
TEMP 75 72 63 58 73 65 58 53 71 67 57 54 77 72 63 60 75 73
DEWPT 61 58 58 56 56 53 52 51 53 52 51 51 57 57 57 58 60 57
RH 62 61 84 93 55 65 80 93 53 59 80 90 50 59 81 93 60 57
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 B2 B2 B2 B1 B1 SC B1 SC B1 B1 B1 SC B1 B2 B2
POP 12HR 50 50 60 30 30 20 30 20 50
RAIN SHWRS SC SC SC SC NM SC IS IS SC IS SC IS SC SC
TSTMS SC 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