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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
220 PM EST Wed Feb 25 2026
NCZ003-260900-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
220 PM EST Wed Feb 25 2026
Date 02/25/26 Thu 02/26/26 Fri 02/27/26 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 42 55 40 56 38
TEMP 59 53 50 47 44 43 47 52 55 50 47 44 42 40 47 53 56 50 46 43 42 40
DEWPT 38 38 40 41 43 42 47 48 48 45 43 41 40 40 43 44 45 43 41 40 40 38
MIN/MAX RH 100 77 98 67 94
RH 45 57 68 79 96 96100 86 77 83 86 89 93100 86 71 66 77 83 89 93 92
WIND DIR W SW SW NW N E NW SE N N N N N N E SE SE N N N N NW
WIND SPD 6 2 1 1 1 1 1 2 2 1 1 1 0 0 1 2 2 0 0 0 0 1
WIND GUST 20 13
CLOUDS B2 B2 OV OV OV OV OV OV B1 B1 SC SC SC B1 SC B1 B1 SC SC SC SC B1
CLOUDS(%) 73 75 88 96 93 97 93 94 67 57 46 49 49 62 47 57 55 38 32 40 44 60
VSBY 10 10 10 7 4 3 4 7 10 10 10 7 7 7 7 10 10 10 10 10 10
POP 12HR 90 80 20 10 10
RAIN D D C S S S S
RAIN SHWRS IS O IS
MIX HGT 5 2 1 <1 <1 <1 <1 2 2 <1 <1 <1 <1 <1 2 4 5 <1
T WIND DIR SW W W S SW E E NE NE NE NE E E E SE SE SE E
T WIND SPD 23 23 12 4 1 5 5 2 4 3 3 2 2 4 6 6 5 6
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 71 10 6 2 1 4 7 7 10 2 2 1 1 4 15 25 23 3
MAX LVORI 1 2 3 5 9 7 8 5 4 5 5 6 7 9 4 3 3 4
STABILITY D F F F F C C C C F F F F C A C C G
CEILING 6400 900 1700 1300 None None None None None
STA PRES 27.98 27.97 27.95 27.97 28.07 28.13 28.21 28.17
Date 02/28Sun 03/01/26Mon 03/02/26Tue 03/03/26Wed 03/04/26
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 66 43 64 38 46 32 44 37 59
TEMP 63 55 46 45 63 54 44 39 43 43 37 33 41 41 40 39 56 53
DEWPT 41 41 39 37 40 39 36 34 34 34 31 29 30 32 33 36 44 42
RH 44 59 76 73 43 57 73 82 70 70 79 85 65 70 76 89 64 66
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC CL CL CL SC B1 B2 B2 OV OV OV OV OV OV OV OV OV B2
POP 12HR 0 0 5 30 50 40 40 40 40
RAIN C C C C C C C C C C 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