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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
402 PM EST Fri Feb 27 2026
VAZ018-280900-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
402 PM EST Fri Feb 27 2026
Date 02/27/26 Sat 02/28/26 Sun 03/01/26 Mon
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 37 65 42 60 29
TEMP 49 46 43 42 38 51 59 64 57 52 49 47 43 51 56 58 49 43 39 36 30
DEWPT 37 37 38 37 35 39 40 40 38 38 38 37 38 41 38 35 34 31 29 27 26
MIN/MAX RH 90 40 82 41 87
RH 63 71 82 82 89 63 49 41 49 59 66 68 82 68 51 42 56 62 67 69 85
WIND DIR SE S SW W W W W W W W W W W W W NW NW NW N E E
WIND SPD 2 2 2 2 2 3 4 4 1 2 4 5 5 8 11 10 4 2 2 2 2
WIND GUST 18 13 12 14
CLOUDS SC B1 B2 B1 SC FW CL CL CL FW FW FW FW SC B1 B1 B2 B2 B2 OV OV
CLOUDS(%) 37 52 76 51 46 7 3 2 3 6 6 11 12 36 68 55 71 78 85 89 92
VSBY 9 7 4 6 5 9 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 5 10
SNOW C
Obvis PF
MIX HGT <1 <1 <1 <1 <1 <1 3 5 <1 <1 <1 <1 <1 3 4 3 <1
T WIND DIR SE S S SW W W W W NW NW W W W W W NW NW
T WIND SPD 8 4 5 3 5 8 20 18 4 3 2 3 4 14 32 24 23
DISPERSION VP VP VP VP VP VP VP PR VP VP VP VP
ADI 4 2 3 2 6 10 85107 2 2 1 2 5 47 87 61 15
MAX LVORI 3 3 4 5 5 3 1 1 2 3 3 3 4 1 1 1 2
STABILITY G F F F B B B B G G F F B B D D E
CEILING 300 None None None None None None 2100 19200
STA PRES 27.80 27.79 27.82 27.78 27.83 27.80 27.79 27.86
Date 03/02Tue 03/03/26Wed 03/04/26Thu 03/05/26Fri 03/06/26
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 36 31 46 43 61 47 68 53 72
TEMP 35 34 33 32 43 45 44 43 57 56 51 48 63 63 58 54 68 66
DEWPT 26 23 23 23 32 37 40 41 43 43 43 44 47 50 50 49 51 52
RH 69 64 66 69 65 73 86 93 59 62 74 86 56 62 75 83 54 61
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV OV OV OV B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B1 B1
POP 12HR 40 40 40 40 30 30 20 30 40
FRZG RAIN C C
RAIN C C C C C C C C S S S S C C C
SLEET C C
SNOW C 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