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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
702 AM EST Thu Feb 26 2026
NCZ006-262100-
RAWS 310801
36.37N 79.29W Elev. 580 ft
702 AM EST Thu Feb 26 2026
Date Thu 02/26/26 Fri 02/27/26 Sat 02/28/26
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 58 40 55 40 67
TEMP 52 55 57 51 47 45 43 41 46 52 54 50 46 44 42 41 52 63 67 58
DEWPT 52 52 51 47 44 43 42 41 44 44 43 43 42 41 40 39 44 44 43 43
MAX/MIN RH 78 100 65 97 41
RH 100 90 80 86 89 93 96100 93 74 66 77 86 89 93 92 74 50 42 57
WIND DIR S W NW NE NE NE NE NE NE NE E E E E NW NW NW W SW S
WIND SPD 4 5 5 2 2 2 2 2 2 3 2 1 1 1 1 1 2 2 2 1
CLOUDS OV OV OV B2 B2 B1 B2 OV B2 B1 SC SC SC SC SC B1 FW CL CL CL
CLOUDS(%) 94 93 92 85 73 62 82 93 82 62 47 43 42 37 40 66 20 2 2 3
VSBY 3 2 4 7 6 4 5 5 6 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 100 20 20 5 5
RAIN D L S S S S
MIX HGT 1 3 3 <1 <1 <1 <1 <1 1 3 3 <1 <1 <1 <1 <1 <1 3 5 <1
T WIND DIR NE NE E N NW N NE E E E E NE NE NE N N N NW NW S
T WIND SPD 2 11 5 1 2 2 4 5 12 10 10 11 11 6 6 3 6 6 3 4
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 3 25 13 1 1 1 2 4 20 31 43 5 5 3 3 3 8 27 19 2
MAX LVORI 9 4 4 6 7 8 8 9 5 3 1 4 5 6 8 6 3 2 2 3
STABILITY D D D F F F F C C C B F F G G C B B B G
CEILING 400 400 500 600 700 None None None None None
STA PRES 29.23 29.22 29.35 29.41 29.49 29.46 29.44 29.40 29.43 29.41
Date Sun 03/01/26Mon 03/02/26Tue 03/03/26Wed 03/04/26
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 42 70 37 46 28 48 37 61
TEMP 47 43 69 57 45 37 43 39 34 29 45 44 40 40 57 54
DEWPT 42 41 43 39 34 31 31 27 26 24 32 33 35 37 44 39
RH 83 93 39 51 65 79 62 62 72 81 60 65 82 89 62 57
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL FW B1 B2 OV OV OV OV OV B2 B2 B2 OV OV B2
POP 12HR 0 0 20 60 50 50 50 30
FRZG RAIN C C
RAIN S L L C C C C C C C S
SNOW S L
$$
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