Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1001 PM EST Fri Nov 28 2025
NCZ003-290900-
RAWS 310301
36.48N 80.86W Elev. 1300 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 19 43 27 46 25
TEMP 24 21 20 33 40 41 32 30 29 30 32 38 42 44 40 35 31 28 27
DEWPT 13 12 12 12 13 15 15 15 17 18 23 31 37 40 37 32 26 22 21
MIN/MAX RH 71 31 71 59 89
RH 62 68 71 41 33 34 49 53 60 60 69 76 82 86 89 89 81 78 78
WIND DIR NW NW NW SE S S S S S S S S SW SW NW NW N N N
WIND SPD 1 1 1 1 3 3 2 2 2 2 2 4 4 3 3 4 5 6 5
CLOUDS FW CL FW FW FW CL B1 OV B2 OV OV OV OV B2 B1 SC SC SC SC
CLOUDS(%) 11 4 19 14 7 5 64 90 79 92 95100 98 85 67 37 35 37 34
VSBY 10 10 10 10 10 10 10 10 10 10 10 4 4 10 10 10 10 10 10
POP 12HR 0 0 10 30 20
RAIN S C C
RAIN SHWRS IS
MIX HGT <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 1 1 1 <1
T WIND DIR NW NW W S S S S S S SW SW SW SW W NW
T WIND SPD 10 1 1 5 6 8 4 6 8 9 3 5 3 6 16
DISPERSION VP VP VP VP VP VP VP VP PR PR
ADI 5 1 1 15 26 26 2 3 4 4 3 8 6 10 7
MAX LVORI 3 4 3 2 2 2 2 2 3 3 3 4 4 4 5
STABILITY G G B B B B F F F F C D D C F
CEILING None None None 12500 3200 600 2800 None
STA PRES 28.45 28.49 28.43 28.37 28.29 28.22 28.17
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 43 30 44 27 46 27 50 29 44
TEMP 42 36 33 33 40 38 32 28 43 35 31 31 48 39 34 31 42 38
DEWPT 21 24 26 31 37 34 26 24 26 28 25 25 30 31 26 25 27 30
RH 43 61 75 92 89 85 78 85 51 75 78 78 49 73 72 78 55 73
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 OV OV OV B2 SC SC FW FW SC B1 SC B1 B1 B1 B1 B2
POP 12HR 5 70 80 10 0 5 5 10 30
RAIN S L D C C
SLEET 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