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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 AM EST Sat Nov 29 2025
VAZ018-300900-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
1231 AM EST Sat Nov 29 2025
Date 11/28/25 Sat 11/29/25 Sun 11/30/25 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 22 43 28 46 25
TEMP 24 22 22 32 40 40 30 29 30 30 32 38 44 44 38 33 29 28 26
DEWPT 11 10 10 11 10 12 12 12 14 15 22 32 38 40 33 26 22 20 19
MIN/MAX RH 61 28 71 52 85
RH 57 59 59 41 28 31 46 48 51 53 66 79 79 86 82 75 75 71 74
WIND DIR NW NW NW SE SE SE SE SE SE SE S S SW W W NW NW NW NW
WIND SPD 3 2 2 2 3 4 4 4 4 4 4 5 6 6 9 9 8 6 6
WIND GUST 16 19
CLOUDS FW SC CL FW CL FW B1 B2 OV OV OV OV OV OV B2 B1 B1 SC SC
CLOUDS(%) 22 46 0 15 5 8 69 84 95 98 96 98100 90 83 68 63 45 38
VSBY 10 10 10 10 10 9 9 10 10 10 10 2 2 9 9 9 9 9 9
POP 12HR 0 0 20 40 30
FRZG RAIN S S
RAIN C C C
RAIN SHWRS SC
MIX HGT <1 <1 <1 1 2 2 <1 <1 <1 <1 <1 <1 2 2 1
T WIND DIR NW NW SW SE SE SE SE S S S S S SW W NW
T WIND SPD 12 8 1 6 6 11 10 12 10 8 5 8 9 24 26
DISPERSION VP VP VP VP VP VP PR PR PR PR
ADI 6 4 1 12 19 27 7 8 7 5 6 9 16 44 30
MAX LVORI 3 3 3 2 2 2 2 2 2 2 3 4 3 4 3
STABILITY G F B B B C E E E E D D D D D
CEILING None None None 8000 6400 700 1100 1500
STA PRES 28.08 28.12 28.06 27.99 27.90 27.82 27.81
Date 12/01Tue 12/02/25Wed 12/03/25Thu 12/04/25Fri 12/05/25
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 41 30 39 26 41 27 44 26 41
TEMP 40 32 31 31 36 34 31 26 39 30 28 28 42 34 30 28 39 33
DEWPT 19 20 22 27 32 29 23 21 24 23 22 22 28 26 20 21 23 26
RH 42 61 69 85 85 82 72 81 54 75 78 78 57 72 66 75 52 75
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC B2 OV OV B2 B1 B1 SC FW SC B1 B1 B1 B1 B1 B1 B2
POP 12HR 5 60 70 20 5 5 5 10 20
FRZG RAIN L L
RAIN L C S
SLEET S L
SNOW S
SNOWSHWRS IS
$$
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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