Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EST Mon Mar 2 2026
NCZ003-030900-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
231 AM EST Mon Mar 2 2026
Date 03/01/26 Mon 03/02/26 Tue 03/03/26 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 37 39 35 56 45
TEMP 43 39 39 39 39 38 38 37 37 38 41 51 55 53 51 49 47 46
DEWPT 34 31 29 30 32 32 32 34 34 36 40 42 45 46 47 46 46 45
MIN/MAX RH 75 65 95 68 97
RH 70 73 67 70 76 79 79 89 89 92 96 71 69 77 86 89 96 96
WIND DIR E E NE E E E NE NE NE NE SE S S S SW SW SW SW
WIND SPD 10 10 8 5 5 6 5 4 3 2 2 3 5 5 5 4 3 2
WIND GUST 20
CLOUDS B1 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 B1 B1 SC
CLOUDS(%) 68 89 95 94 95 95 97 99 97 93 93 86 81 75 69 63 54 38
VSBY 10 10 10 8 6 6 5 5 4 4 4 10 10 10 10 9 9 10
POP 12HR 10 70 60 10 5
RAIN S C C L L S S S
MIX HGT <1 1 2 2 2 2 1 1 <1 <1 <1 2 2 1 <1 <1 <1 <1
T WIND DIR E E E E E E NE NE NE NE N SW SW SW SW SW SW SW
T WIND SPD 17 17 12 11 12 11 8 5 4 3 1 2 4 5 4 3 4 3
DISPERSION FR PR PR VP VP PR PR VP VP
ADI 15 23 24 22 22 8 5 4 2 3 1 4 9 4 3 2 2 4
MAX LVORI 3 3 3 3 3 4 4 6 6 8 7 3 3 4 5 6 8 8
STABILITY D D D D D E E E F C C C D E E E F B
CEILING 3000 1700 800 100 100 0 0 None
STA PRES 29.38 29.37 29.40 29.35 29.35 29.27 29.26 29.24
Date 03/04Thu 03/05/26Fri 03/06/26Sat 03/07/26Sun 03/08/26
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 71 52 74 55 78 58 77 59 74
TEMP 68 65 56 52 72 69 60 56 74 71 63 58 74 72 63 59 71 69
DEWPT 52 52 52 50 55 54 55 54 57 57 56 56 58 57 57 57 58 57
RH 57 63 86 93 55 59 84 93 55 61 78 93 57 59 81 93 63 66
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 B2 B2 B1 B1 B1 SC SC FW FW SC B1 B1 B1 B1 B2
POP 12HR 5 0 10 5 20 5 30 40 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