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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 PM EST Wed Feb 18 2026
NCZ006-190900-
RAWS 310801
36.37N 79.29W Elev. 580 ft
431 PM EST Wed Feb 18 2026
Date 02/18/26 Thu 02/19/26 Fri 02/20/26 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 55 63 55 74 48
TEMP 63 60 58 56 55 58 61 62 60 59 56 55 57 62 70 74 67 58 54 51 48
DEWPT 51 52 53 54 54 57 58 58 57 56 55 54 56 59 58 50 44 40 39 39 40
MIN/MAX RH 98 84 96 42 73
RH 65 75 83 93 96 96 90 87 90 90 96 96 96 90 66 43 43 51 57 63 74
WIND DIR SW SW SW SW S SE SE SE E N E SE SW SW SW W W W W W NW
WIND SPD 4 3 2 1 1 2 4 4 2 2 2 3 4 6 9 9 5 4 3 2 2
WIND GUST 19 20
CLOUDS OV OV OV OV B2 B2 OV OV OV B2 B2 B2 B2 OV B2 B1 B1 B1 B1 B2 B2
CLOUDS(%) 95 94 89 90 83 86 92 89 89 76 77 83 85 90 74 59 56 55 61 78 86
VSBY 7 7 7 7 1 1 6 6 6 6 6 5 3 6 10 10 10 10 10 10 10
POP 12HR 30 40 50 70 20
RAIN S S S C C C C C C C C C L L S S S S C
Obvis PF PF
MIX HGT <1 <1 <1 <1 <1 <1 2 1 <1 <1 <1 <1 <1 <1 2 5 <1
T WIND DIR SW SW SW SW S S S S S SE N NE NE SE SW W W
T WIND SPD 8 6 5 4 2 3 8 4 2 1 6 4 2 2 17 18 9
DISPERSION VP VP VP VP VP VP VP VP PR VP VP VP
ADI 5 3 3 2 2 3 14 7 1 1 3 2 3 3 31 56 6
MAX LVORI 3 4 5 6 8 9 5 4 6 7 8 8 8 6 3 1 2
STABILITY E F F F C C D D F F F F D D D D E
CEILING 2800 700 500 400 2300 400 300 1900 7500
STA PRES 29.23 29.23 29.24 29.17 29.16 29.16 29.11 29.09
Date 02/21Sun 02/22/26Mon 02/23/26Tue 02/24/26Wed 02/25/26
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 63 40 51 30 47 26 49 29 55
TEMP 58 56 47 41 48 42 35 31 45 40 32 26 46 41 32 31 52 50
DEWPT 42 39 36 35 32 24 22 20 18 16 17 17 16 19 21 23 26 28
RH 55 53 65 79 54 48 59 63 33 37 53 68 29 41 63 72 36 42
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B1 B1 B2 B2 B1 SC SC SC B1 SC FW FW FW FW SC B1 B2
POP 12HR 50 40 40 10 10 0 0 0 10
RAIN 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