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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1002 AM EDT Mon Mar 30 2026
NCZ006-302000-
RAWS 310801
36.37N 79.29W Elev. 580 ft
1002 AM EDT Mon Mar 30 2026
Date Mon 03/30/26 Tue 03/31/26 Wed 04/01/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
MAX/MIN TEMP 74 55 81 61 86
TEMP 64 72 73 68 62 60 57 58 71 79 81 75 69 66 63 62 75 83 85 78
DEWPT 48 49 49 49 50 51 52 54 58 58 56 56 56 56 56 58 61 60 59 59
MAX/MIN RH 41 90 43 87 41
RH 56 44 43 51 65 72 83 86 63 49 42 52 63 70 78 87 62 46 41 52
WIND DIR SW SW SW S SW S SW SW SW SW SW S S S SW SW SW SW SW S
WIND SPD 8 10 9 4 5 5 5 5 9 10 10 5 6 8 6 6 8 8 8 3
WIND GUST 18 16 16 19 20 18 19 18
CLOUDS SC SC SC FW FW FW FW SC FW SC SC SC SC FW SC SC SC B1 B1 B2
CLOUDS(%) 38 40 36 13 9 14 17 28 22 33 26 29 26 25 26 37 33 64 64 71
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 5 10 5 50
RAIN SHWRS SC SC SC
TSTMS IS IS
MIX HGT 3 5 6 <1 <1 <1 <1 <1 3 5 5 <1 <1 <1 <1 <1 2 6 6 <1
T WIND DIR SW SW SW S S S S SW SW SW SW S S S S SW W SW SW SW
T WIND SPD 24 20 19 8 8 9 9 11 23 18 19 6 6 8 8 6 14 14 14 6
DISPERSION VP PR PR PR PR PR PR PR VP
ADI 94 87 85 4 4 4 4 12 72 75 83 3 3 5 4 8 46 66 51 3
MAX LVORI 1 1 1 2 3 3 5 4 1 1 1 2 3 3 4 5 1 1 1 2
STABILITY B C C F F F F B C C C F F E F B B C D F
CEILING None None None None None None None None 5500
STA PRES 29.64 29.64 29.63 29.62 29.53 29.53 29.53 29.56 29.50
Date Thu 04/02/26Fri 04/03/26Sat 04/04/26Sun 04/05/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MIN/MAX TEMP 61 84 59 83 62 84 62 81
TEMP 67 61 81 77 65 61 80 76 66 64 81 77 67 64 79 72
DEWPT 59 58 58 56 57 59 58 57 60 61 61 59 59 59 58 55
RH 75 90 46 48 75 93 47 52 81 90 51 54 75 84 49 55
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC SC SC FW SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 30 20 10 40 20 40 40 50
RAIN SHWRS SC IS SC SC IS IS SC SC SC SC SC
TSTMS 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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