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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
601 PM EST Wed Jan 28 2026
VAZ018-290900-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
601 PM EST Wed Jan 28 2026
Date 01/28/26 Thu 01/29/26 Fri 01/30/26 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 9 27 13 28 13
TEMP 19 14 11 10 9 16 24 27 19 13 13 13 13 21 27 26 20 18 16 15 14
DEWPT 3 0 1 0 -2 1 3 2 0 3 3 5 7 11 13 14 13 12 11 9 7
MIN/MAX RH 64 33 74 55 79
RH 49 53 63 63 60 51 39 33 42 63 63 70 76 65 55 60 74 77 80 77 73
WIND DIR W NW NW NW NW W W W NW NW NW NW NW SE SE SE E E NE NE NE
WIND SPD 11 14 19 17 13 9 9 8 3 4 2 1 1 2 2 2 2 2 2 2 3
WIND GUST 26 34 37 31 23 20 19 13 12 16
CLOUDS B1 SC B1 SC SC SC SC SC SC SC B1 B2 B2 B2 OV OV OV OV OV OV OV
CLOUDS(%) 56 50 51 46 46 39 37 26 39 45 68 79 81 85 89 90 91 91 91 91 91
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 5 50 60
SNOW C C C C C C L L L
MIX HGT <1 1 1 1 <1 2 3 3 <1 <1 <1 <1 <1 1 2 2 <1
T WIND DIR W NW NW NW NW NW W W W NW NW N NE SE S S SE
T WIND SPD 12 29 31 26 17 20 17 16 12 4 2 2 1 3 3 2 5
DISPERSION FR GD GD GD VP VP VP VP VP VP VP VP
ADI 11 27 28 24 13 51 57 53 6 2 1 1 1 6 9 5 3
MAX LVORI 2 2 2 2 2 1 1 1 2 3 3 3 4 3 2 3 3
STABILITY D D D D C B B B G F F F C C C C F
CEILING None None None None None 5000 2600 1400 0
STA PRES 27.76 27.80 27.86 27.85 27.88 27.87 27.88 27.82
Date 01/31Sun 02/01/26Mon 02/02/26Tue 02/03/26Wed 02/04/26
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 22 8 19 7 31 14 35 19 41
TEMP 20 15 11 8 18 15 10 7 29 24 17 16 34 29 24 20 37 32
DEWPT 9 4 2 -1 4 2 2 0 11 10 9 10 20 19 17 16 23 21
RH 62 61 66 66 53 55 69 72 46 54 70 77 56 66 74 84 56 63
WIND SPD <15 <15 15> <15 <15 <15 <15 <15 <15
AVG CLOUDS OV OV B2 B1 B1 SC FW FW FW SC SC SC SC SC B1 B1 B1 B1
POP 12HR 60 40 10 0 5 5 0 10 20
RAIN S S
SNOW L L C C 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
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