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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
931 PM EST Thu Feb 19 2026
NCZ006-200900-
RAWS 310801
36.37N 79.29W Elev. 580 ft
931 PM EST Thu Feb 19 2026
Date 02/19/26 Fri 02/20/26 Sat 02/21/26 Sun
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 51 73 46 58 40
TEMP 55 52 52 53 59 68 72 64 57 53 49 47 54 56 58 54 49 47 44 41
DEWPT 54 51 51 52 56 55 44 38 35 34 35 35 41 42 42 42 42 40 39 39
MIN/MAX RH 97 37 64 55 92
RH 96 96 96 96 90 63 37 38 43 48 58 63 61 59 55 64 77 76 82 92
WIND DIR N NE E SW W W W W W W W NW NW W SW SE SE N N N
WIND SPD 3 2 2 3 6 9 11 5 4 2 2 2 2 3 2 1 1 2 2 4
WIND GUST 19 21
CLOUDS OV OV OV OV OV B1 SC SC SC B1 B1 B2 B2 B2 B2 B1 SC B1 B2 B1
CLOUDS(%) 100100100100 98 63 40 27 36 51 60 84 87 81 71 54 35 67 79 69
VSBY 3 10 6 3 6 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 50 50 10 60 50
RAIN S S S S C S L L C C C C C
Obvis PF PF PF PF
MIX HGT <1 <1 <1 <1 <1 4 5 <1 <1 <1 <1 <1 <1 1 2 <1
T WIND DIR NE NE E E S W SW W W W W W SW SW W SW
T WIND SPD 11 9 6 4 1 5 12 8 8 5 3 3 2 2 5 3
DISPERSION VP VP VP PR VP VP VP VP VP VP VP
ADI 5 4 3 4 1 15 54 4 4 3 2 4 2 3 11 2
MAX LVORI 9 9 8 8 6 2 1 2 2 2 3 3 3 3 2 3
STABILITY F F F C D D C F F F F B C C C F
CEILING 400 400 None None 17700 5600 5200 None
STA PRES 29.19 29.13 29.11 29.21 29.26 29.33 29.31
Date 02/22Mon 02/23/26Tue 02/24/26Wed 02/25/26Thu 02/26/26
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 49 29 44 25 48 30 55 44 60
TEMP 48 42 35 30 43 38 31 26 45 41 32 32 53 52 48 45 59 56
DEWPT 33 22 21 18 17 15 16 16 15 19 19 20 23 27 33 39 41 40
RH 56 44 56 60 35 38 53 65 29 41 58 61 31 38 56 79 51 55
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B1 SC SC SC B1 SC FW FW SC SC B2 B2 B2 B2 B2 B2 B2
POP 12HR 50 10 5 0 0 0 5 40 50
RAIN C C S 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