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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1232 PM EST Sun Mar 1 2026
NCZ003-012100-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
1232 PM EST Sun Mar 1 2026
Date Sun 03/01/26 Mon 03/02/26 Tue 03/03/26
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 68 34 39 33 55
TEMP 66 66 56 48 43 38 35 37 37 38 37 35 35 36 37 41 50 55 52
DEWPT 42 42 42 38 35 33 31 30 32 33 32 31 32 33 37 41 45 47 46
MAX/MIN RH 40 85 75 100 74
RH 42 42 59 68 73 82 85 75 82 82 82 85 89 89100100 83 74 80
WIND DIR W NW N N NE E E E E SE E SE SE N N S S S S
WIND SPD 5 5 4 3 3 3 3 5 3 2 2 1 1 0 0 1 4 4 2
CLOUDS FW B2 B1 SC B1 B1 OV OV OV OV OV OV OV OV OV OV B2 B2 B2
CLOUDS(%) 20 73 68 42 57 59 95 96 93 94 93 92 95 95 95 89 87 84 76
VSBY 10 10 10 10 10 10 10 4 5 4 2 3 3 2 3 1 5 10 4
POP 12HR 10 10 50 60 20
RAIN C C C L L C C S S
SLEET C
SNOW C S
MIX HGT 7 5 1 1 1 2 2 2 2 2 2 2 1 1 <1 1 2 2 2
T WIND DIR NW NW NW N E E E E NE E E E SE W W S SW S S
T WIND SPD 20 24 13 10 11 10 11 11 5 6 6 6 3 1 1 3 12 11 8
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 160 73 6 5 5 5 28 30 16 20 3 3 2 1 1 5 24 25 4
MAX LVORI 1 1 3 3 3 5 4 3 4 3 5 5 6 6 10 7 3 3 5
STABILITY B D F F F F C C C C F F F F C C D D F
CEILING 4800 None 1800 1200 1100 200 100 100 400
STA PRES 28.28 28.38 28.44 28.54 28.51 28.50 28.45 28.44 28.38
Date Wed 03/04/26Thu 03/05/26Fri 03/06/26Sat 03/07/26
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 46 68 50 72 54 76 57 75
TEMP 48 46 66 63 54 51 70 67 58 55 73 69 61 57 73 70
DEWPT 46 45 52 51 50 49 55 55 53 53 58 57 56 56 59 58
RH 93 96 61 65 86 93 59 65 83 93 59 66 84 96 62 66
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B1 B1 SC SC SC B1
POP 12HR 5 5 10 20 20 30 20 40
RAIN SHWRS IS IS SC IS IS SC
TSTMS 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