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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
702 AM EST Thu Feb 26 2026
VAZ046-262100-
RAWS 441101
37.39N 78.80W Elev. 804 ft
702 AM EST Thu Feb 26 2026
Date Thu 02/26/26 Fri 02/27/26 Sat 02/28/26
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 51 38 52 39 66
TEMP 49 49 50 48 44 42 40 39 43 50 52 49 45 43 41 40 51 63 65 58
DEWPT 47 46 44 41 39 38 38 37 39 40 39 39 38 37 37 37 41 42 41 40
MAX/MIN RH 75 96 62 90 41
RH 93 89 80 77 82 86 92 92 86 68 61 68 76 79 85 89 68 46 41 51
WIND DIR S N N NE NE NE NE NE NE SE SE SE SE S SW W W W SW S
WIND SPD 4 5 5 3 2 2 2 2 3 4 4 2 2 2 2 3 4 5 4 2
CLOUDS OV B2 B2 B2 B1 B1 B2 B2 B2 B1 SC SC FW SC SC SC CL CL CL CL
CLOUDS(%) 91 87 82 76 59 68 78 85 82 61 30 26 24 33 31 41 5 1 1 2
VSBY 3 3 3 5 4 3 4 2 9 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 90 10 10 5 5
RAIN D C
MIX HGT <1 <1 1 <1 <1 <1 <1 <1 <1 3 3 <1 <1 <1 <1 <1 <1 3 4 <1
T WIND DIR S SW SW SW N NE E E E E E E E NE N W NW NW W S
T WIND SPD 2 1 1 2 3 5 8 9 6 8 5 6 6 3 6 1 12 6 3 3
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 3 1 1 1 2 3 4 7 6 19 24 3 3 2 3 1 14 23 18 2
MAX LVORI 6 7 4 4 5 6 6 6 4 3 2 3 4 4 5 7 3 2 2 2
STABILITY D D D F F F F C C D B G G G G B B B B G
CEILING 2300 900 600 14400 700 None None None None None
STA PRES 29.16 29.16 29.27 29.35 29.44 29.42 29.39 29.33 29.35 29.32
Date Sun 03/01/26Mon 03/02/26Tue 03/03/26Wed 03/04/26
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 41 62 32 39 25 42 35 56
TEMP 48 42 61 50 40 33 36 35 30 25 40 40 38 39 54 51
DEWPT 39 37 40 33 26 26 24 23 21 20 28 30 32 34 39 35
RH 71 82 46 52 57 75 61 61 69 81 62 67 79 82 57 54
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW SC B2 B2 OV OV OV OV B2 B2 B2 OV OV OV B2
POP 12HR 0 5 30 60 40 50 40 30
FRZG RAIN C C C
RAIN C L S C C C C C S
SNOW C L L 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