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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
903 PM EST Sat Mar 7 2026
NCZ006-080900-
RAWS 310801
36.37N 79.29W Elev. 580 ft
903 PM EST Sat Mar 7 2026
Date 03/07/26 Sun 03/08/26 Mon 03/09/26 Tue
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 64 75 54 77 52
TEMP 70 67 66 65 70 74 74 67 63 59 56 54 64 74 77 70 62 58 54 53
DEWPT 60 60 61 61 63 61 60 59 57 54 52 50 53 54 53 53 52 51 50 50
MIN/MAX RH 93 60 88 43 94
RH 71 78 84 87 78 64 62 75 81 83 86 86 67 50 43 55 70 77 86 89
WIND DIR SW SW SW SW SW W W W NW N N N NW SW SW SW SW SW SW SW
WIND SPD 8 8 8 6 8 9 5 2 1 1 1 1 1 3 4 2 2 2 1 1
WIND GUST 18 19 19 17
CLOUDS FW SC B2 OV B2 B2 OV B2 B1 SC SC SC FW FW FW FW FW FW FW SC
CLOUDS(%) 23 45 85 88 75 86 91 81 59 38 34 42 25 25 25 11 16 17 25 34
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 40 70 20 20 10
RAIN SHWRS SC SC SC NM NM IS IS IS IS IS IS
TSTMS IS IS SC IS
MIX HGT 2 2 3 2 2 4 2 <1 <1 <1 <1 <1 1 4 6 <1
T WIND DIR SW SW SW SW SW W W W N N N N NE SW SW SW
T WIND SPD 9 9 11 17 31 23 16 3 10 4 3 3 2 8 8 2
DISPERSION PR PR PR VP VP VP VP VP VP VP VP
ADI 6 12 15 36 66 60 32 2 5 2 2 3 4 41 57 1
MAX LVORI 3 4 4 4 3 1 1 4 4 5 6 6 3 1 1 3
STABILITY E D D D D D D F F G G A A B B G
CEILING 2400 1000 3200 4400 None None None None
STA PRES 29.34 29.32 29.31 29.41 29.45 29.49 29.43
Date 03/10Wed 03/11/26Thu 03/12/26Fri 03/13/26Sat 03/14/26
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 81 60 84 56 70 35 57 43 68
TEMP 79 73 64 62 82 79 70 59 58 48 40 35 54 53 48 44 64 61
DEWPT 54 56 58 60 61 59 59 56 40 24 23 23 25 30 35 36 39 40
RH 42 55 81 93 49 50 68 90 51 39 50 61 32 41 60 73 40 46
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC FW B1 B2 B2 B2 OV B2 B1 SC FW SC SC SC SC B1 SC
POP 12HR 20 5 10 40 70 20 20 20 10
RAIN L C S S S
RAIN SHWRS IS IS SC
$$
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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