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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
702 PM EST Sat Feb 28 2026
VAZ012-010900-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
702 PM EST Sat Feb 28 2026
Date 02/28/26 Sun 03/01/26 Mon 03/02/26 Tue
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 42 58 33 40 33
TEMP 52 49 47 43 50 55 57 48 44 40 38 33 36 38 39 37 36 35 35 34
DEWPT 34 37 38 39 42 42 37 35 32 30 29 29 28 29 29 29 29 29 31 34
MIN/MAX RH 86 47 84 65 100
RH 50 63 71 86 74 61 47 60 62 67 70 85 72 70 67 72 75 78 85100
WIND DIR W W W W W W NW NW N NE E E E E E E E E E E
WIND SPD 2 4 4 5 9 9 8 6 3 2 3 4 5 5 4 4 4 4 4 3
CLOUDS FW SC CL FW SC B1 SC B1 B2 OV B2 B2 OV OV OV OV OV OV OV OV
CLOUDS(%) 11 42 0 10 31 60 45 59 74 88 87 85 91 96 97 97 97 96 94 91
VSBY 10 10 10 10 10 10 10 10 10 10 10 6 5 2 3 8 3 2 7 7
POP 12HR 5 20 10 40 40
RAIN C C C C C S S C
RAIN SHWRS IS
SNOW C C C
MIX HGT <1 <1 <1 <1 2 4 3 <1 <1 <1 <1 1 1 2 2 1
T WIND DIR W W W W W NW NW NW N E SE SE SE SE SE SE
T WIND SPD 3 6 9 6 14 17 16 8 3 5 9 11 16 10 11 14
DISPERSION VP VP VP PR VP VP VP VP VP VP VP
ADI 2 5 4 7 38 49 54 5 2 3 4 15 25 20 21 10
MAX LVORI 2 3 3 5 3 1 1 3 3 3 3 4 3 3 3 3
STABILITY G E F B C D B E F F F D D D D E
CEILING None None None None 1000 300 800 600 300
STA PRES 27.27 27.27 27.34 27.41 27.49 27.49 27.56 27.53
Date 03/03Wed 03/04/26Thu 03/05/26Fri 03/06/26Sat 03/07/26
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 57 41 67 46 72 50 74 53 74
TEMP 52 51 46 42 65 58 49 47 71 60 54 51 72 65 57 54 74 63
DEWPT 40 42 40 41 47 47 45 44 49 50 48 47 51 52 52 51 52 53
RH 63 71 79 96 52 67 86 89 46 69 80 86 48 63 83 90 46 70
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV B2 B2 B2 B2 B2 B2 B1 SC B1 B1 B1 B1 B1 B1 SC B1 B1
POP 12HR 30 20 5 10 30 20 40 20 50
RAIN C S S
RAIN SHWRS IS SC IS IS IS SC IS IS SC
$$
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