Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 PM EST Sat Dec 27 2025
VAZ018-280900-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
701 PM EST Sat Dec 27 2025
Date 12/27/25 Sun 12/28/25 Mon 12/29/25 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 39 52 48 56 21
TEMP 43 40 39 39 43 49 52 48 49 51 55 54 50 47 38 29 26 24 23 22
DEWPT 40 37 36 36 37 41 43 43 45 48 49 48 41 27 19 13 11 10 10 8
MIN/MAX RH 92 71 99 44 58
RH 89 89 89 89 79 74 71 83 86 89 80 80 71 45 46 51 52 54 57 54
WIND DIR S S S S S S S S SW SW SW W W W W W W W W NW
WIND SPD 3 3 4 4 4 5 6 4 6 8 9 13 14 14 14 17 19 20 21 21
WIND GUST 18 23 33 39 43 43 44 49 52 54 56 56
CLOUDS SC B2 OV OV OV OV B2 B2 B2 B1 B2 B1 B1 FW SC B1 B1 B1 B1 SC
CLOUDS(%) 49 74 89 88 89 90 75 79 72 63 82 69 63 11 31 54 55 62 52 47
VSBY 10 9 8 8 9 9 10 10 8 9 8 10 10 10 10 10
POP 12HR 5 10 40 50 10
RAIN C C C C
MIX HGT <1 <1 <1 <1 <1 1 <1 <1 <1 1 2 2 3 5 5 4
T WIND DIR SE SE S S S S S S S SW SW SW W W W W
T WIND SPD 6 5 5 6 6 5 6 8 6 8 9 12 35 39 41 44
DISPERSION VP VP VP VP PR PR PR GD GD GD GD
ADI 3 3 3 5 5 8 7 4 5 5 10 27 91115124 60
MAX LVORI 6 6 6 5 4 3 3 5 9 6 4 3 1 1 1 1
STABILITY F F F C C C C F E E D D D D D D
CEILING None 0 0 600 500 800 None None 1800
STA PRES 27.85 27.83 27.81 27.69 27.57 27.42 27.41 27.45
Date 12/30Wed 12/31/25Thu 01/01/26Fri 01/02/26Sat 01/03/26
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 31 22 41 29 43 24 39 25 45
TEMP 28 24 23 23 38 33 31 30 40 31 27 25 37 30 27 26 43 37
DEWPT 9 6 6 7 12 14 17 17 19 18 15 13 12 12 12 14 21 23
RH 44 45 47 50 34 45 56 58 42 58 60 60 35 46 53 60 41 56
WIND SPD 15> <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW FW SC B1 B1 B1 B1 SC B1 SC SC B1 B1 B1 B1 B1
POP 12HR 5 0 0 20 10 10 0 20 30
RAIN C C
SNOW S 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