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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Mon Mar 30 2026
NCZ003-310800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
231 AM EDT Mon Mar 30 2026
Date 03/29/26 Mon 03/30/26 Tue 03/31/26 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
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
MIN/MAX TEMP 43 71 49 78 56
TEMP 44 46 59 69 70 65 59 55 52 52 67 76 77 72 65 62 58 57
DEWPT 34 39 46 49 50 51 50 50 49 50 55 57 58 57 56 56 55 55
MIN/MAX RH 77 47 99 50 94
RH 68 76 62 49 49 60 72 83 89 93 65 52 52 59 73 81 90 93
WIND DIR S S SW SW S S SW S SW SW SW SW S S SW SW SW SW
WIND SPD 2 2 4 6 6 3 2 2 2 1 3 5 6 3 2 2 2 1
WIND GUST 17 17 13 13
CLOUDS B2 B1 SC SC SC SC FW FW FW FW SC B1 B1 SC SC SC FW SC
CLOUDS(%) 85 65 40 33 49 44 19 20 15 19 32 51 51 45 29 31 25 50
VSBY 10 10 10 10 10 10 10 10 10 10 10 7 7 10 10 10 10 10
POP 12HR 5 10 5 30 10
RAIN SHWRS SC SC IS
TSTMS IS
MIX HGT <1 <1 3 5 5 1 1 <1 <1 <1 2 5 4 1 1 <1 <1 <1
T WIND DIR S S SW SW SW S SW SW SW SW SW SW S SW SW SW SW W
T WIND SPD 5 4 14 17 13 11 17 13 6 4 13 10 17 11 9 8 4 2
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 3 5 51 98 80 5 8 6 3 4 43 31 50 5 4 4 2 2
MAX LVORI 3 4 1 1 1 3 3 4 6 6 1 1 1 3 3 5 6 6
STABILITY F B B B B F G G G A B D D F G G G A
CEILING 7200 None None None None None None None None
STA PRES 28.41 28.43 28.37 28.36 28.34 28.34 28.27 28.26 28.26
Date 04/01Thu 04/02/26Fri 04/03/26Sat 04/04/26Sun 04/05/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MAX/MIN TEMP 81 56 79 56 78 59 78 57 74
TEMP 79 74 63 57 77 74 61 58 76 72 62 60 76 72 61 59 72 66
DEWPT 60 60 57 56 58 55 54 56 58 58 57 57 61 60 57 55 58 51
RH 52 62 81 96 52 51 78 93 54 61 84 90 60 66 87 87 61 58
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B1 SC B1 B1 SC B2 B2 B1 B1 B2 B2 B2 B1 B1 B2 B1
POP 12HR 70 30 30 20 50 30 60 40 50
RAIN SHWRS IS NM SC SC IS IS SC SC SC IS SC NM SC SC SC SC
TSTMS IS SC IS IS IS IS 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