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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
702 PM EST Wed Feb 25 2026
VAZ012-260900-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
702 PM EST Wed Feb 25 2026
Date 02/25/26 Thu 02/26/26 Fri 02/27/26 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 39 49 36 56 33
TEMP 43 42 39 39 44 48 49 43 40 39 37 36 46 54 55 46 41 37 36 35
DEWPT 37 37 37 36 40 41 39 37 36 35 35 33 38 39 38 37 35 34 33 32
MIN/MAX RH 93 70 92 51 92
RH 79 82 92 89 86 77 68 79 85 85 92 89 73 57 53 71 79 89 89 89
WIND DIR W W W E SW W NW N N NW N NE SE S S SE S S SW W
WIND SPD 3 2 2 1 2 2 2 1 1 1 1 1 1 2 2 1 1 1 1 2
CLOUDS B1 B2 OV OV B2 B2 B1 B1 SC SC SC SC SC SC SC FW FW FW FW FW
CLOUDS(%) 68 83 90 90 78 79 68 61 44 41 44 39 43 37 26 21 16 18 21 17
VSBY 9 5 3 2 3 3 8 9 8 7 7 10 10 10 10 10 10 10 10 10
POP 12HR 80 70 10 10 5
RAIN D L C
RAIN SHWRS SC NM IS
MIX HGT 1 <1 <1 <1 <1 1 1 <1 <1 <1 <1 <1 1 3 5 <1
T WIND DIR W SW W SE S NW NW NW N SW E SE S S S SE
T WIND SPD 9 4 6 3 1 2 4 4 2 1 1 1 6 12 11 9
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 4 2 3 3 1 4 8 2 1 1 1 1 9 53 63 4
MAX LVORI 4 5 6 6 6 4 3 5 5 6 8 6 3 1 1 3
STABILITY F F F C C C C F F F F A A B B G
CEILING 600 600 600 1300 None None None None None
STA PRES 27.07 27.07 27.06 27.09 27.18 27.22 27.28 27.25
Date 02/28Sun 03/01/26Mon 03/02/26Tue 03/03/26Wed 03/04/26
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 57 36 46 31 47 36 55
TEMP 61 50 43 42 55 45 40 37 45 39 33 32 45 41 38 38 54 47
DEWPT 35 36 35 35 36 34 33 32 33 30 28 27 30 32 33 34 38 37
RH 38 58 73 76 49 65 76 82 62 70 82 81 55 70 82 85 54 68
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW CL CL FW SC B2 B2 OV OV OV OV OV OV OV OV B2 B2 B2
POP 12HR 0 5 5 40 60 40 50 50 50
FRZG RAIN C C C
RAIN C L L C C C C C C C
SNOW C L
$$
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