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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 PM EST Sat Nov 29 2025
VAZ046-300900-
RAWS 441101
37.39N 78.80W Elev. 804 ft
731 PM EST Sat Nov 29 2025
Date 11/29/25 Sun 11/30/25 Mon 12/01/25 Tue
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 27 47 24 46 29
TEMP 30 29 28 31 36 42 45 42 38 33 28 25 39 45 44 34 31 30 31 32
DEWPT 17 17 18 21 28 35 38 38 33 25 21 20 22 21 21 21 22 24 27 31
MIN/MAX RH 73 64 86 38 97
RH 58 60 66 66 72 76 76 86 82 72 75 81 50 38 39 58 69 78 85 96
WIND DIR SE S S SW SW SW SW W W NW NW NW N NE E E E SE S NE
WIND SPD 3 4 3 4 6 9 9 5 5 5 5 4 5 5 4 2 2 2 2 2
CLOUDS B2 B1 B2 B2 OV OV B2 B1 SC FW FW FW FW FW FW SC B1 OV OV OV
CLOUDS(%) 83 68 71 85100100 85 51 37 20 8 6 6 9 23 39 51 88 94 93
VSBY 10 10 10 10 10 9 10 9 10 10 10 10 10 10 10 10
POP 12HR 5 30 0 0 70
FRZG RAIN S C
RAIN C S L D
SLEET S
SNOW L
MIX HGT <1 <1 <1 <1 1 1 <1 <1 <1 <1 <1 <1 2 3 2 <1
T WIND DIR S S S SW W SW SW W NW N NW NW N NE E E
T WIND SPD 8 6 5 10 5 5 5 4 8 13 5 3 16 6 3 3
DISPERSION VP VP VP PR PR PR PR VP VP VP VP
ADI 4 5 3 11 8 8 6 3 4 6 3 3 44 23 9 2
MAX LVORI 3 3 3 3 3 4 4 5 5 3 4 5 1 2 2 3
STABILITY F E F D D D D E F F F C C C C G
CEILING 12300 6600 1100 400 None None None None 8400
STA PRES 29.70 29.61 29.52 29.43 29.53 29.65 29.69 29.61
Date 12/02Wed 12/03/25Thu 12/04/25Fri 12/05/25Sat 12/06/25
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 43 26 46 27 50 25 42 31 45
TEMP 40 38 33 27 45 35 30 29 49 38 31 26 40 38 35 31 43 39
DEWPT 37 35 31 25 28 28 25 25 29 26 22 21 28 30 30 30 33 30
RH 89 89 92 92 51 75 81 85 46 62 69 81 62 73 82 96 67 70
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV B2 SC FW FW FW FW SC SC SC SC B1 B1 B2 B2 B2 B1 B1
POP 12HR 90 20 0 0 0 5 30 50 30
RAIN D L S C C 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