Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1001 PM EST Fri Nov 28 2025
NCZ001-290900-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
1001 PM EST Fri Nov 28 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 18 33 26 39 22
TEMP 19 20 20 25 30 30 26 27 27 31 34 34 37 36 34 31 27 25 23
DEWPT 7 5 3 4 7 8 4 5 11 21 29 34 37 35 31 25 17 12 10
MIN/MAX RH 63 36 88 61 97
RH 59 51 47 40 37 39 38 38 50 66 82100100 96 89 78 65 57 57
WIND DIR NW NW S S S S S S S S S S SW W W NW NW NW N
WIND SPD 9 5 2 5 9 10 12 14 14 14 16 12 10 11 16 17 17 13 10
WIND GUST 25 25 25 27 28 29 28 24
CLOUDS SC FW CL CL FW SC B1 B2 B2 OV OV OV OV B2 B2 B1 SC SC SC
CLOUDS(%) 43 8 3 2 8 29 67 86 86 92 96 98100 83 77 59 47 40 40
VSBY 10 10 10 10 10 10 10 10 10 10 10 2 2 10 10 10 10 10 10
POP 12HR 0 0 20 40 30
FRZG RAIN S
RAIN S C C C
RAIN SHWRS SC
SNOWSHWRS SC IS
MIX HGT <1 <1 <1 <1 1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1
T WIND DIR NW NW SE S S S S S S S S SW W W NW
T WIND SPD 11 1 3 9 10 11 13 16 13 8 6 12 10 17 20
DISPERSION PR PR FR GD GD GD GD GD GD FR
ADI 10 1 4 7 16 11 12 14 12 7 8 14 12 20 19
MAX LVORI 2 2 2 2 2 2 2 2 2 3 4 5 7 5 4
STABILITY D F B C C C D D D D D D D D D
CEILING None None None 8800 2900 400 400 19300
STA PRES 26.90 26.94 26.88 26.83 26.77 26.72 26.71
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 35 29 37 23 36 26 37 27 36
TEMP 33 29 31 34 35 32 27 23 33 28 28 29 35 30 30 29 34 31
DEWPT 15 20 26 33 34 27 20 16 18 20 16 18 23 23 20 16 25 28
RH 47 69 81 96 96 81 74 74 53 71 60 63 61 75 66 58 69 88
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 OV OV OV B2 B1 B1 SC FW SC SC B1 B1 B1 B2 B2 B2
POP 12HR 5 70 80 20 5 5 5 10 30
FRZG RAIN C L
RAIN L D C C
SLEET C C
SNOW S C
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