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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Mon Mar 30 2026
NCZ003-310800-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
801 PM EDT Mon Mar 30 2026
Date 03/30/26 Tue 03/31/26 Wed 04/01/26 Thu
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 53 78 58 82 59
TEMP 61 58 55 55 66 75 77 72 67 64 60 60 70 80 81 75 69 65 61 60
DEWPT 49 50 50 51 56 57 56 55 56 57 56 56 59 59 58 58 58 58 57 57
MIN/MAX RH 89 48 90 45 91
RH 65 75 83 86 70 54 48 55 68 78 87 87 68 49 46 55 68 78 87 90
WIND DIR S S SW SW SW SW SW SW SW SW SW SW SW SW SW S S S S SW
WIND SPD 3 4 8 6 9 10 10 10 10 10 9 5 6 8 8 6 6 5 5 5
WIND GUST 21
CLOUDS FW FW FW SC FW SC FW SC FW SC FW SC SC B1 B1 B2 B1 FW FW B1
CLOUDS(%) 20 13 18 31 16 26 23 36 25 30 24 35 44 66 66 70 59 23 22 52
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 10 5 50 20
RAIN SHWRS SC SC IS IS
TSTMS SC IS
MIX HGT <1 <1 <1 <1 2 5 6 1 1 <1 <1 <1 2 6 6 <1
T WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW W SW SW
T WIND SPD 6 6 6 8 16 14 18 11 10 9 4 4 8 11 12 10
DISPERSION VP VP PR FR FR FR PR PR PR PR PR
ADI 5 5 3 8 44 62 80 10 7 6 3 5 22 52 42 7
MAX LVORI 3 4 5 5 1 1 1 2 3 3 5 5 3 1 1 3
STABILITY E E F B C C C D E E E B B C D E
CEILING None None None None None None None 5500 None
STA PRES 29.21 29.20 29.19 29.10 29.11 29.11 29.15 29.10
Date 04/02Fri 04/03/26Sat 04/04/26Sun 04/05/26Mon 04/06/26
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 80 60 77 60 79 60 74 48 65
TEMP 78 73 64 61 75 72 63 61 77 73 64 62 72 68 56 49 63 60
DEWPT 57 53 55 58 57 56 58 57 58 57 57 57 57 50 46 42 41 39
RH 48 49 73 90 54 57 84 87 52 57 78 84 59 52 69 77 44 46
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1
POP 12HR 20 20 40 20 50 30 60 40 30
RAIN SHWRS IS IS IS IS SC IS IS IS SC SC SC SC NM SC SC SC SC
TSTMS 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
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