Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EST Fri Nov 28 2025
NCZ003-290900-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
401 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 22 43 29 43 27
TEMP 31 27 25 23 22 33 40 40 32 31 30 31 32 35 39 42 40 36 33 30 28
DEWPT 13 13 12 13 12 14 12 13 14 15 16 17 22 26 33 37 37 33 27 23 21
MIN/MAX RH 65 31 67 56 91
RH 47 55 57 65 65 45 31 33 47 51 55 56 66 69 79 82 89 89 78 75 75
WIND DIR NW NW NW N N SE S S SE SE S SW SW SW SW SW W NW N N N
WIND SPD 5 4 2 2 2 1 3 2 2 2 2 2 2 3 4 4 3 5 8 5 4
CLOUDS CL CL CL FW FW CL FW CL B1 B2 B2 OV OV OV OV OV B1 SC SC SC SC
CLOUDS(%) 3 5 0 8 9 0 6 4 60 76 78 93100 99100 94 68 34 28 28 33
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 4 5 10 10
POP 12HR 0 0 10 30 30
RAIN S S C
RAIN SHWRS SC
MIX HGT <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 <1 1 <1 <1
T WIND DIR NW NW N S SW E SE SE SE S S SW W SW W W NW
T WIND SPD 11 11 5 1 1 4 3 5 2 3 3 5 4 4 4 3 5
DISPERSION PR VP VP VP VP VP VP VP VP PR PR PR
ADI 5 5 3 1 1 11 13 19 1 2 2 3 5 5 6 4 3
MAX LVORI 2 3 3 3 3 2 2 2 2 2 3 3 3 3 4 5 6
STABILITY F F G G B B B B F F F F D C D D F
CEILING None None None None 13600 2300 600 1800 None
STA PRES 29.31 29.36 29.40 29.32 29.27 29.19 29.11 29.05
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 42 32 42 28 44 28 49 30 43
TEMP 41 36 34 33 37 38 33 29 42 35 31 31 47 40 35 32 41 38
DEWPT 21 24 26 32 36 33 26 24 25 28 26 26 30 32 27 25 26 29
RH 44 61 72 96 96 82 75 81 50 75 81 81 51 73 72 75 55 70
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B2 OV OV B2 SC SC FW FW SC B1 SC SC B1 B1 B1 B2
POP 12HR 5 70 80 10 0 5 5 10 20
RAIN S L D 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