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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1001 AM EST Thu Jan 1 2026
NCZ006-012100-
RAWS 310801
36.37N 79.29W Elev. 580 ft
1001 AM EST Thu Jan 1 2026
Date Thu 01/01/26 Fri 01/02/26 Sat 01/03/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
MAX/MIN TEMP 51 29 57 39 43
TEMP 49 51 41 35 32 30 31 43 53 56 48 44 41 40 40 42 41 42 40
DEWPT 30 28 28 27 28 29 29 32 34 35 36 36 36 36 36 38 39 38 37
MAX/MIN RH 41 95 45 85 84
RH 48 41 59 72 85 96 92 65 48 45 63 73 82 85 85 86 92 86 89
WIND DIR W W NW N N S SW W W W W S N E NE NE NE NE NE
WIND SPD 6 5 1 0 0 1 2 3 6 4 2 1 0 1 2 3 5 6 5
CLOUDS B1 SC FW CL FW SC SC SC B1 B2 B2 B2 B2 OV OV OV OV OV OV
CLOUDS(%) 55 28 25 4 20 28 27 45 68 78 86 87 85 91 96 96 94 94 94
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 10 80
RAIN S L D L C
MIX HGT 5 4 <1 <1 <1 <1 <1 <1 3 3 <1 <1 <1 <1 <1 <1 <1 1 1
T WIND DIR W W W SW SW SW SW W W W SW S E E E E E E N
T WIND SPD 16 17 11 5 6 6 5 8 12 10 2 1 1 2 2 3 4 5 3
DISPERSION VP VP VP VP VP VP VP VP PR
ADI 49 66 5 3 3 3 6 11 31 32 1 1 1 1 2 3 6 9 2
MAX LVORI 1 1 3 3 6 8 5 3 1 1 3 4 6 5 5 5 6 5 6
STABILITY D C G G G G B B D C F F F F C C D D E
CEILING None None None None 14900 15900 7800 2600 400
STA PRES 29.27 29.29 29.23 29.24 29.23 29.28 29.28 29.29 29.15
Date Sun 01/04/26Mon 01/05/26Tue 01/06/26Wed 01/07/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MIN/MAX TEMP 30 51 26 49 33 58 41 63
TEMP 36 31 46 40 35 29 44 42 39 37 52 51 47 44 58 55
DEWPT 34 28 26 25 22 22 25 27 30 32 38 39 39 40 45 45
RH 92 88 45 55 59 75 47 55 70 82 59 63 74 86 62 69
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 SC FW FW SC B1 SC SC SC B1 B1 B1 B1 B1 B2 B2
POP 12HR 30 0 0 0 0 0 5 5
RAIN C
$$
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