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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
201 AM EST Mon Jan 5 2026
VAZ018-060900-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
201 AM EST Mon Jan 5 2026
Date 01/04/26 Mon 01/05/26 Tue 01/06/26 Wed
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 29 52 40 62 48
TEMP 31 29 36 50 49 41 42 41 41 40 49 59 61 55 54 53 51 49
DEWPT 22 22 27 34 35 36 37 38 38 37 40 42 44 44 45 44 42 41
MIN/MAX RH 76 53 89 52 74
RH 69 75 69 54 58 82 82 89 89 89 71 53 53 66 71 71 71 74
WIND DIR SW SW SW SW SW W W W W W SW S SW W W W W W
WIND SPD 1 1 3 4 2 3 3 3 2 3 3 5 6 8 9 11 10 10
WIND GUST 18 21 24 24 23
CLOUDS FW B1 SC B1 B1 SC B1 B2 B1 B2 B2 B1 B1 B1 B1 B1 SC SC
CLOUDS(%) 20 55 47 55 55 49 56 74 69 75 74 67 62 51 52 57 42 47
VSBY 10 10 10 10 10 10 10 10 10 10 10 9 9 10 10 10 10 10
POP 12HR 0 0 0 5 10
MIX HGT <1 <1 <1 2 1 <1 <1 <1 <1 <1 <1 2 3 2 2 2 2 1
T WIND DIR SE S S S S S W W W W SW SW SW W W W W NW
T WIND SPD 4 3 5 6 5 2 3 3 3 2 1 8 6 18 23 33 34 28
DISPERSION VP VP VP VP VP PR PR FR FR
ADI 2 3 7 14 10 1 2 2 2 2 1 19 16 21 26 37 39 37
MAX LVORI 3 4 3 2 2 5 5 7 7 6 3 2 2 2 3 3 3 3
STABILITY G C B D B F F F F B B C D D D D D C
CEILING None None 22100 22100 22100 12200 None None
STA PRES 27.82 27.75 27.76 27.70 27.63 27.52 27.52 27.58
Date 01/07Thu 01/08/26Fri 01/09/26Sat 01/10/26Sun 01/11/26
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 59 38 62 48 66 52 59 32 40
TEMP 57 47 41 39 59 51 50 49 63 58 57 56 57 47 40 36 40 33
DEWPT 39 37 35 34 38 41 42 44 52 51 53 52 42 27 26 23 19 18
RH 51 68 79 82 45 68 74 83 67 77 86 86 57 45 57 59 42 53
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW SC SC SC B2 B2 B2 B1 B2 OV B2 B1 B1 B1 SC FW
POP 12HR 5 0 5 10 40 60 60 20 5
RAIN C C C L L C
RAIN SHWRS 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