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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 AM EST Tue Feb 17 2026
NCZ006-172100-
RAWS 310801
36.37N 79.29W Elev. 580 ft
631 AM EST Tue Feb 17 2026
Date Tue 02/17/26 Wed 02/18/26 Thu 02/19/26
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 65 49 68 51 70
TEMP 37 50 61 63 55 52 51 50 51 59 65 67 63 60 58 54 52 60 67 70 64
DEWPT 35 44 46 45 44 43 43 45 49 53 53 51 52 52 52 52 51 54 54 54 55
MAX/MIN RH 50 92 57 98 57
RH 92 80 58 52 66 71 74 83 93 80 65 56 67 75 80 93 96 81 63 57 73
WIND DIR SW SW SW SW S SW SW SW SW SW SW SW SW SW SW SW SW S S S S
WIND SPD 3 5 6 5 2 4 4 5 6 10 12 10 5 4 3 2 2 2 5 5 2
WIND GUST 18 23 24 21
CLOUDS FW SC SC B1 B2 B2 OV OV OV OV OV OV OV OV B2 B2 B1 B1 B2 B2 B2
CLOUDS(%) 12 30 31 67 83 79 89 89 90 91 92 93 94 90 84 72 60 68 78 82 85
VSBY 8 10 10 10 10 10 10 10 9 10 10 10 10 10 10 10 2 5 10 10
POP 12HR 0 0 5 10 60
RAIN SHWRS SC SC NM NM SC
MIX HGT <1 1 2 3 <1 <1 <1 <1 1 3 3 3 1 <1 <1 <1 <1 <1 3 <1 <1
T WIND DIR SW SW SW SW SW SW S SW SW SW SW W SW SW SW SW W NE SE SE SE
T WIND SPD 6 12 13 13 8 5 6 12 17 17 23 20 8 6 4 2 1 2 8 8 3
DISPERSION VP VP VP PR PR VP VP VP VP
ADI 7 22 36 44 4 4 5 8 25 43 58 53 5 5 2 1 1 2 18 10 2
MAX LVORI 6 3 1 1 3 3 3 4 5 3 1 1 3 4 5 7 10 5 2 2 3
STABILITY B B B B F E E E D D D D E E F F B C D D F
CEILING None 10500 17800 7100 500 1200 1200 500 7100 2500
STA PRES 29.58 29.50 29.46 29.38 29.33 29.26 29.28 29.28 29.29 29.20
Date Fri 02/20/26Sat 02/21/26Sun 02/22/26Mon 02/23/26
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 53 68 46 58 39 53 29 46
TEMP 58 54 66 62 53 47 55 53 45 39 51 46 36 30 43 39
DEWPT 55 52 52 44 41 41 40 38 36 35 30 26 22 19 15 15
RH 90 93 61 52 64 79 57 57 70 85 44 45 56 63 32 37
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC FW FW SC
POP 12HR 50 70 40 50 50 40 20 10
RAIN C L C S C C C C C C C S
RAIN SHWRS 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