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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
832 AM EST Mon Mar 2 2026
NCZ006-022100-
RAWS 310801
36.37N 79.29W Elev. 580 ft
832 AM EST Mon Mar 2 2026
Date Mon 03/02/26 Tue 03/03/26 Wed 03/04/26
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 45 37 59 47 75
TEMP 42 44 43 40 39 39 39 39 43 54 59 56 52 51 49 48 61 72 74 67
DEWPT 30 30 34 34 33 34 35 37 41 45 47 48 48 49 49 48 54 54 54 53
MAX/MIN RH 57 95 66 100 48
RH 62 57 70 79 79 82 85 92 93 71 64 74 86 93100100 78 53 50 61
WIND DIR NE NE NE NE NE NE NE NE NE S S S S SW SW SW SW SW SW S
WIND SPD 9 8 6 2 2 2 2 1 1 2 3 2 2 2 2 2 4 6 5 2
CLOUDS OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 B2 B1 B1 SC SC B1 B1
CLOUDS(%) 89100100100 94 97 97 96 91 83 76 65 67 75 64 52 37 45 66 65
VSBY 10 10 9 8 7 5 5 4 8 9 10 10 10 10 10 10 10 10 10 10
POP 12HR 70 60 10 5 5
RAIN C L L C C C
MIX HGT 2 2 2 1 1 1 <1 <1 <1 1 2 <1 <1 <1 <1 <1 1 3 4 <1
T WIND DIR E NE E NE NE NE N N N SW S S S SW SW SW W SW SW SW
T WIND SPD 16 10 11 10 6 8 4 4 1 2 4 5 5 5 6 6 13 10 13 8
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 33 20 20 5 3 4 2 4 1 4 12 3 3 3 3 5 24 36 61 4
MAX LVORI 1 2 3 4 4 5 5 8 8 3 3 4 6 6 9 9 3 1 1 3
STABILITY D D D F F F F C C C C F F F F C B B B F
CEILING 2100 1000 900 900 900 900 800 None 29000
STA PRES 29.83 29.85 29.80 29.80 29.71 29.70 29.66 29.68 29.60
Date Thu 03/05/26Fri 03/06/26Sat 03/07/26Sun 03/08/26
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 55 77 59 81 60 81 62 78
TEMP 59 55 75 71 63 59 78 74 66 61 78 74 66 62 76 73
DEWPT 53 55 58 57 57 57 59 58 58 59 60 58 59 60 60 58
RH 80100 55 61 81 93 52 57 75 93 54 57 78 93 58 59
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B2 B2 B2 SC SC SC FW FW SC B1 B1 B1 B1 B2
POP 12HR 0 5 10 20 5 30 30 60
RAIN S C C C C L
$$
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