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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1002 AM EST Sat Feb 28 2026
NCZ001-282100-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
1002 AM EST Sat Feb 28 2026
Date Sat 02/28/26 Sun 03/01/26 Mon 03/02/26
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 55 42 54 29 34
TEMP 52 53 46 44 43 43 44 49 53 49 43 37 33 32 30 29 31 33 30
DEWPT 34 35 36 35 35 35 37 39 40 39 35 33 30 28 27 25 24 24 22
MAX/MIN RH 49 79 62 88 68
RH 50 50 68 70 73 73 76 68 61 68 73 85 89 85 88 85 75 69 72
WIND DIR NW W W W W W W W W NW NW N N E E SE SE SE SE
WIND SPD 10 11 8 10 11 13 16 20 19 17 13 12 10 10 12 11 10 10 14
CLOUDS CL CL CL FW FW FW SC FW B1 B2 B1 B1 B2 B2 B2 B2 OV B2 B2
CLOUDS(%) 0 0 0 6 11 13 26 21 52 71 65 69 85 74 84 80 89 86 80
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 3 3 5 5
POP 12HR 0 5 5 5 40
FRZG RAIN C
RAIN C C
SNOW C C C
MIX HGT 4 4 <1 <1 <1 <1 <1 3 5 4 <1 <1 <1 <1 <1 <1 1 <1 <1
T WIND DIR NW W W W W W W W W W NW NW NW N NE E SE SE SE
T WIND SPD 9 11 2 3 5 6 8 23 34 31 14 12 13 6 3 4 6 10 12
DISPERSION PR FR FR FR FR FR FR FR GD
ADI 44 55 2 2 4 6 9 58104 81 13 11 12 6 3 5 8 8 11
MAX LVORI 1 1 3 3 3 3 4 1 1 1 3 4 4 4 6 4 4 3 3
STABILITY B B E E E D D D D D D D D D C C C C D
CEILING None None None None 3300 500 22100 19000 12400
STA PRES 26.70 26.74 26.73 26.75 26.76 26.85 26.90 26.99 26.99
Date Tue 03/03/26Wed 03/04/26Thu 03/05/26Fri 03/06/26
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 27 43 40 56 46 58 49 62
TEMP 28 29 39 42 41 42 56 50 49 47 55 55 51 49 61 58
DEWPT 23 24 36 38 40 39 45 45 44 45 48 47 47 47 50 50
RH 81 81 89 86 96 89 66 83 83 93 77 74 86 93 67 75
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC B1
POP 12HR 30 20 10 20 20 40 20 40
FRZG RAIN C S
RAIN S S S C C S S S C
$$
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