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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Sun Mar 29 2026
NCZ005-300800-
RAWS 310540
36.38N 79.70W Elev. 858 ft
801 PM EDT Sun Mar 29 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 48 72 56 81 61
TEMP 50 50 49 50 62 70 72 67 62 60 58 57 69 78 80 74 68 66 63 62
DEWPT 34 38 42 44 48 48 48 47 47 50 52 54 57 57 55 54 55 56 57 58
MIN/MAX RH 79 42 91 42 87
RH 54 63 77 80 60 45 42 49 58 69 80 90 66 48 42 50 63 70 81 87
WIND DIR S S SW SW SW SW SW SW SW SW SW SW SW SW SW S S S SW SW
WIND SPD 5 9 8 6 10 11 12 6 8 8 9 8 10 12 12 8 10 11 10 9
WIND GUST 20
CLOUDS SC B1 B1 B1 SC SC FW FW FW FW FW FW SC FW SC SC FW SC SC SC
CLOUDS(%) 37 60 68 65 46 39 21 16 11 17 19 19 26 25 26 34 16 27 26 37
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 5 0 10 5
RAIN SHWRS IS
MIX HGT <1 <1 <1 <1 3 5 6 <1 <1 <1 <1 <1 3 5 6 <1
T WIND DIR S S SW SW SW SW SW SW SW SW SW SW SW SW SW S
T WIND SPD 5 9 13 12 23 23 21 13 12 6 8 12 23 20 19 10
DISPERSION PR PR PR PR PR PR PR PR FR FR FR
ADI 3 8 12 14 73 95 95 6 8 5 5 15 72 86 85 7
MAX LVORI 2 3 4 4 1 1 1 2 3 3 4 5 1 1 1 2
STABILITY F D D D C C C F E E E B C C C E
CEILING None 2800 None None None None None None None
STA PRES 29.67 29.62 29.64 29.56 29.57 29.55 29.56 29.45
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 83 61 81 61 80 61 82 62 82
TEMP 81 75 66 63 78 74 65 61 78 75 65 62 79 76 66 64 79 76
DEWPT 59 58 58 58 59 55 56 58 59 57 58 59 61 58 59 59 58 53
RH 47 55 75 84 52 51 73 90 52 54 78 90 54 54 78 84 49 45
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B2 B1 SC SC B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 60 40 40 30 50 20 40 30 40
RAIN SHWRS IS NM SC IS IS SC SC SC SC SC IS IS SC SC SC 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