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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
202 AM EST Fri Feb 27 2026
VAZ046-280900-
RAWS 441101
37.39N 78.80W Elev. 804 ft
202 AM EST Fri Feb 27 2026
Date 02/26/26 Fri 02/27/26 Sat 02/28/26 Sun
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 52 39 65 43
TEMP 42 40 45 52 52 48 44 41 39 40 50 61 64 57 50 48 45 44
DEWPT 38 39 40 41 39 39 38 37 37 38 42 43 42 41 41 40 40 39
MIN/MAX RH 96 62 91 44 84
RH 86 96 82 66 61 71 79 85 92 92 74 51 45 55 71 74 82 82
WIND DIR NE NE NE E E SE SE SW SW SW SW SW SW S SW SW SW SW
WIND SPD 2 2 3 3 3 2 2 2 2 2 4 4 4 2 3 3 4 5
CLOUDS B2 B2 B2 B1 SC SC SC SC B1 B1 FW CL CL CL CL CL FW SC
CLOUDS(%) 85 86 81 68 32 30 30 41 56 59 19 2 2 2 4 5 11 31
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 10 0 0 0 0
SPRINKLES
MIX HGT <1 <1 1 4 5 <1 <1 <1 <1 <1 1 3 4 <1 <1 <1 <1 <1
T WIND DIR NE NE NE NE E SE S W SW W W W S S S SW SW SW
T WIND SPD 5 3 9 4 1 2 2 2 2 2 9 5 2 3 4 5 5 6
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 3 3 18 18 7 1 1 1 1 2 13 21 11 2 2 3 3 7
MAX LVORI 6 8 3 3 3 3 4 5 7 7 3 2 2 3 3 3 5 4
STABILITY F C C C B G G F F C B B B G G G F B
CEILING 1800 None None None None None None None
STA PRES 29.42 29.41 29.44 29.42 29.42 29.35 29.37 29.33
Date 03/01Mon 03/02/26Tue 03/03/26Wed 03/04/26Thu 03/05/26
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 65 32 36 29 42 37 58 44 66
TEMP 64 50 37 33 34 34 31 29 38 41 40 42 56 54 48 48 64 62
DEWPT 41 31 22 20 21 22 23 24 28 33 35 39 45 44 42 44 50 49
RH 43 48 54 58 58 61 72 81 67 73 82 89 66 69 80 86 60 62
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B2 B2 OV B2 B2 B2 OV B2 B1 B2 B2 B2 B2 B2 B2 B2
POP 12HR 5 5 40 20 30 40 30 10 20
FRZG RAIN S S C
RAIN C C C C C C C S S S
SNOW C C S S
$$
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