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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
202 AM EST Wed Feb 25 2026
NCZ005-260900-
RAWS 310540
36.38N 79.70W Elev. 858 ft
202 AM EST Wed Feb 25 2026
Date 02/24/26 Wed 02/25/26 Thu 02/26/26 Fri
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 37 57 46 57 41
TEMP 40 39 45 53 56 53 50 49 48 47 51 56 58 55 50 47 45 42
DEWPT 23 24 26 30 34 37 41 43 44 47 50 51 50 47 46 45 42 41
MIN/MAX RH 54 40 100 74 97
RH 50 54 47 41 43 54 71 80 86100 96 83 75 74 86 93 89 96
WIND DIR SW SW SW SW SW SW SW SW W S SW SW SW S N NE NE NE
WIND SPD 12 11 13 13 13 8 6 4 4 4 5 8 5 4 4 4 4 5
WIND GUST 23 21 24
CLOUDS OV OV OV B2 B1 B1 OV OV OV OV OV OV B2 B2 B1 B2 OV OV
CLOUDS(%) 95 91 90 76 61 64 89 95 97 90 93 88 79 76 68 85 89 89
VSBY 10 10 10 10 10 10 10 7 5 5 6 6 6 6 6 6 6 7
POP 12HR 10 10 70 80 50
RAIN C L D D L L C C C C C
MIX HGT <1 <1 1 2 3 <1 <1 <1 <1 <1 <1 <1 1 <1 <1 <1 <1 <1
T WIND DIR SW SW SW SW SW SW SW SW SW S E E NE NE NE N NE E
T WIND SPD 16 13 14 19 21 10 9 6 4 1 1 6 9 4 5 2 5 5
DISPERSION FR PR PR VP VP VP VP VP VP
ADI 14 15 21 41 55 9 6 5 3 1 1 8 14 3 4 2 4 7
MAX LVORI 2 2 2 1 1 2 3 4 6 10 7 4 4 4 6 7 6 6
STABILITY D D D D D D E E E D D D D E E E E D
CEILING 12100 11300 8700 3400 300 200 300 300
STA PRES 29.11 29.06 29.16 29.20 29.19 29.13 29.23 29.30
Date 02/27Sat 02/28/26Sun 03/01/26Mon 03/02/26Tue 03/03/26
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 54 38 65 43 66 41 53 35 46
TEMP 50 49 43 39 61 57 47 43 64 58 46 41 50 51 45 36 43 43
DEWPT 41 41 39 38 42 43 40 40 41 37 35 33 34 34 36 32 31 32
RH 71 74 86 96 49 59 76 89 43 45 65 73 54 52 70 85 62 65
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B1 B1 B1 SC CL CL FW FW SC B1 B2 B2 B2 B2 B2 B2 B2
POP 12HR 30 10 5 0 5 20 40 40 40
RAIN C S S 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