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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 AM EST Tue Feb 24 2026
NCZ006-250900-
RAWS 310801
36.37N 79.29W Elev. 580 ft
1231 AM EST Tue Feb 24 2026
Date 02/23/26 Tue 02/24/26 Wed 02/25/26 Thu
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 26 46 37 59 47
TEMP 29 28 26 34 42 46 40 38 40 40 40 46 54 58 53 50 49 48 48
DEWPT 16 14 14 15 14 15 18 19 21 23 25 28 31 33 35 38 41 42 46
MIN/MAX RH 60 29 53 38 92
RH 58 55 60 45 31 28 41 46 46 50 55 49 41 39 50 63 74 80 93
WIND DIR NW NW NW NW W SW S SW SW SW SW SW SW SW SW SW SW S S
WIND SPD 5 4 4 5 5 5 2 5 8 9 8 10 10 10 5 4 3 3 4
WIND GUST 18 19 19 20 21 20
CLOUDS FW FW FW FW SC SC B1 B2 OV OV OV B2 B2 B1 B1 B1 B2 OV OV
CLOUDS(%) 15 10 10 13 45 50 64 80 94 96 93 87 79 53 54 64 85 90 91
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 0 0 5 40
RAIN S C L
MIX HGT 1 2 2 3 4 4 <1 <1 1 1 1 2 4 4 <1
T WIND DIR NW NW NW NW W W SW SW SW SW SW SW SW SW SW
T WIND SPD 14 21 14 13 11 11 6 10 12 13 17 17 24 23 10
DISPERSION PR VP VP PR PR PR PR VP VP VP
ADI 7 10 39 57 52 50 3 7 11 12 27 41 88 84 7
MAX LVORI 3 2 1 1 1 1 2 2 2 2 2 1 1 1 2
STABILITY F F B B B B F E D D C C C C E
CEILING None None None 10700 9600 10200 14200 16500
STA PRES 29.48 29.51 29.41 29.34 29.25 29.23 29.20
Date 02/26Fri 02/27/26Sat 02/28/26Sun 03/01/26Mon 03/02/26
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 62 45 60 36 65 40 67 39 54
TEMP 60 59 53 46 57 50 42 37 60 54 45 42 64 57 45 40 50 49
DEWPT 51 49 45 41 39 37 35 34 40 40 40 39 42 41 37 34 35 35
RH 72 69 74 83 51 61 76 89 47 59 82 89 45 55 73 79 56 58
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV B2 B2 B2 SC FW FW FW FW FW FW FW SC B1 B1 B2 B2 B2
POP 12HR 80 80 20 10 10 10 10 30 40
RAIN L D L S S C C C
RAIN SHWRS O
$$
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