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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
902 PM EST Tue Mar 3 2026
VAZ018-040900-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
902 PM EST Tue Mar 3 2026
Date 03/03/26 Wed 03/04/26 Thu 03/05/26 Fri
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 40 70 51 77 57
TEMP 43 44 45 47 58 67 68 61 57 55 53 52 65 75 76 68 63 61 58 58
DEWPT 41 41 43 45 51 55 55 52 51 50 50 49 54 53 52 52 52 52 52 51
MIN/MAX RH 100 63 91 43 81
RH 93 89 93 93 77 65 63 72 80 83 89 89 68 46 43 57 67 72 80 77
WIND DIR SW W W W W W W W SW SW W W SW SW SW SW SW SW W W
WIND SPD 3 3 2 2 2 3 2 1 2 2 2 2 2 5 5 3 3 3 3 2
WIND GUST 16 14 13 13 13 13 17 18 14 16 17 14 13
CLOUDS SC SC B2 B2 OV B2 B1 B1 B1 B1 B1 B1 B1 B1 SC B1 SC SC SC SC
CLOUDS(%) 42 50 83 77 89 71 62 61 61 62 67 60 56 52 45 54 43 43 46 40
VSBY 10 9 8 4 10 10 10 10 10 10 10 9 9 9 9 9 9 5 10 9
POP 12HR 30 40 20 20 10
RAIN S S S S C
RAIN SHWRS IS IS IS IS
Obvis PF PF
MIX HGT <1 <1 <1 <1 1 3 3 <1 <1 <1 <1 <1 2 5 6 <1
T WIND DIR SW W W W W W SW S S SW SW SW W W W W
T WIND SPD 3 2 3 4 8 6 5 6 4 5 4 4 16 25 21 12
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 2 1 2 4 14 23 18 3 2 3 2 4 39 76141 6
MAX LVORI 6 7 7 8 4 2 2 3 5 5 6 6 3 1 1 3
STABILITY F F F C C C C F F F F C C D B F
CEILING 1900 1200 1700 1700 100 None None None
STA PRES 27.96 28.00 27.97 27.96 27.92 27.93 27.90
Date 03/06Sat 03/07/26Sun 03/08/26Mon 03/09/26Tue 03/10/26
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 79 58 79 59 73 56 73 54 76
TEMP 78 68 62 58 78 68 62 59 72 66 59 56 72 63 57 54 74 68
DEWPT 56 54 54 53 57 55 55 53 52 50 51 50 51 50 48 48 54 52
RH 47 61 75 83 48 63 78 80 49 56 75 80 48 62 72 80 50 57
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW FW FW B2 B2 B2 B1 B1 B1 B1 B1 B1 SC B1 B1 B1
POP 12HR 20 10 60 60 40 40 50 30 30
RAIN SHWRS IS NM NM SC SC SC SC SC SC SC IS SC SC SC
TSTMS SC 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