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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
432 AM EST Sat Feb 28 2026
VAZ024-282100-
RAWS 441631
37.63N 79.51W Elev. 865 ft
432 AM EST Sat Feb 28 2026
Date Sat 02/28/26 Sun 03/01/26 Mon 03/02/26
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 67 42 65 30 39
TEMP 40 51 65 67 59 50 46 44 44 59 65 62 50 42 37 33 30 35 39 39 37
DEWPT 39 43 40 40 40 40 39 38 39 45 44 38 32 28 26 24 20 20 19 19 20
MAX/MIN RH 37 84 41 68 42
RH 96 74 40 37 49 68 76 79 82 60 46 41 50 57 64 69 66 54 44 44 50
WIND DIR NW W W W NW W W W W W W NW NW N N NE NE E E SE SE
WIND SPD 1 2 3 2 1 1 1 1 2 4 9 6 3 2 2 2 2 2 3 3 2
WIND GUST 14 20 19 14
CLOUDS B1 FW CL CL CL FW FW FW SC SC SC B1 B2 B1 B2 B2 B2 B2 B2 B2 B2
CLOUDS(%) 63 17 2 3 3 10 6 18 28 30 43 61 78 69 72 81 83 84 80 76 77
VSBY 0 10 10 10 10 10 10 10 10 10 8 8 10 8 10 10 10 8 8 3 3
POP 12HR 0 5 5 5 30
SNOW C C C C C
Obvis PF
MIX HGT <1 1 4 6 <1 <1 <1 <1 <1 2 6 4 1 1 1 1 1 2 3 2 2
T WIND DIR W W SW SW S SW NW NW NW NW W W NW N N NE NE NE E SE SE
T WIND SPD 4 4 5 6 3 2 3 3 2 1 24 23 16 13 10 10 9 8 4 6 6
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 4 8 26 49 2 1 2 2 2 3105 66 7 6 5 5 15 23 15 20 3
MAX LVORI 6 3 2 1 2 3 4 4 5 3 1 1 2 3 3 3 3 2 2 2 2
STABILITY C B B B G G G G B B C D F F F F B B B B F
CEILING None None None None None 4300 15400 27900 25900 31600
STA PRES 28.58 28.52 28.55 28.54 28.54 28.56 28.77 28.89 28.99 28.97
Date Tue 03/03/26Wed 03/04/26Thu 03/05/26Fri 03/06/26
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 29 46 40 64 47 70 52 74
TEMP 31 30 42 46 43 45 61 58 51 48 66 64 57 53 74 69
DEWPT 21 22 31 36 40 42 50 47 46 46 54 52 50 49 56 56
RH 66 72 65 68 89 89 67 67 83 93 65 65 77 86 53 63
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 OV B2 B2 B2 B2 B2 B2 OV OV B2 B2 B2 B1 B1
POP 12HR 30 30 30 30 20 30 20 30
FRZG RAIN C
RAIN C S S C C S S S C C S S C
SLEET C S
SNOW 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