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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
201 AM EST Tue Feb 3 2026
NCZ003-040900-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
201 AM EST Tue Feb 3 2026
Date 02/02/26 Tue 02/03/26 Wed 02/04/26 Thu
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 29 42 23
TEMP 20 22 32 40 41 36 35 34 32 33 37 39 39 35 33 30 26 23
DEWPT 18 20 27 30 32 32 33 33 32 33 36 36 35 32 30 26 23 18
MIN/MAX RH 92 65 100 87 90
RH 92 92 81 67 70 85 92 96100100 96 89 85 89 89 85 88 81
WIND DIR NW W N S SE N N N N N NE E E NE N N N N
WIND SPD 1 1 0 2 2 0 0 0 0 0 1 2 2 1 1 2 2 2
CLOUDS SC B2 B2 OV B2 B2 OV B1 B2 B2 OV OV OV OV OV B2 B1 SC
CLOUDS(%) 45 84 87 93 85 87 91 64 72 84 91 93 93 92 88 84 66 41
VSBY 10 10 10 10 10 7 7 10 10 7 6 6 2 4 3 7 7 10
POP 12HR 0 20 70 60 50
RAIN C S C C L L C
SNOW L C C S S
MIX HGT <1 <1 <1 2 1 <1 <1 <1 <1 <1 <1 1 1 1 <1 <1 <1 <1
T WIND DIR NW NW SW SW SW S SW W N N NE NE NE NE N N N NW
T WIND SPD 3 2 6 10 11 5 5 2 3 4 8 9 8 5 6 17 18 17
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 2 2 9 21 18 3 3 1 2 4 9 16 13 3 3 8 8 21
MAX LVORI 7 6 4 3 3 5 6 8 10 9 6 5 4 6 6 5 5 4
STABILITY F B B C B F F F F C C C C F F F F B
CEILING 11000 8400 3000 2400 800 500 1600 3500
STA PRES 28.26 28.15 28.10 28.09 28.13 28.11 28.12 28.11
Date 02/05Fri 02/06/26Sat 02/07/26Sun 02/08/26Mon 02/09/26
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 38 20 46 28 43 22 44 21 42
TEMP 35 30 23 23 43 41 36 29 40 35 26 24 41 36 28 23 40 36
DEWPT 19 17 15 16 28 31 28 23 20 20 17 17 23 23 21 19 23 23
RH 52 58 71 74 55 67 72 78 44 54 68 74 48 59 75 84 50 59
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW SC SC SC SC SC SC FW FW FW SC SC SC SC SC SC SC
POP 12HR 0 0 10 10 0 0 5 10 5
$$
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