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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1002 PM EDT Mon Mar 30 2026
VAZ018-310800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
1002 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 54 79 61 80 58
TEMP 56 56 55 57 70 77 79 71 66 63 62 62 75 80 78 69 65 62 59 59
DEWPT 47 47 48 49 55 55 53 52 54 54 53 54 58 58 58 57 56 55 55 55
MIN/MAX RH 76 41 77 46 91
RH 72 72 77 75 59 47 41 51 65 72 72 75 55 47 50 66 73 78 87 87
WIND DIR SW SW W W W W SW SW SW SW SW SW W SW SW SW SW S S S
WIND SPD 11 10 8 4 6 8 8 5 5 5 5 5 6 6 4 3 2 2 2 2
WIND GUST 19 24 23 24 19 21 20 19 21 24 19 17
CLOUDS FW FW FW SC SC SC SC SC SC SC SC B1 B1 B2 B2 B1 B1 SC SC SC
CLOUDS(%) 20 22 23 36 32 34 26 26 28 39 39 51 52 81 81 58 58 30 29 41
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 10 5 70 40
RAIN SHWRS SC SC NM NM SC SC IS
TSTMS IS SC SC
MIX HGT <1 <1 <1 <1 3 5 6 <1 <1 <1 <1 <1 4 6 3 <1
T WIND DIR S SW SW SW W W SW S SW SW SW W W W SW SW
T WIND SPD 12 11 9 6 23 21 19 13 9 11 12 9 24 16 13 16
DISPERSION FR FR PR PR PR PR PR VP VP VP VP
ADI 6 5 4 7 96 68 63 6 4 5 6 10 65 53 30 7
MAX LVORI 3 4 4 4 1 1 1 2 3 3 3 4 1 1 1 3
STABILITY F F F B B D D F F F F D D D D F
CEILING None None None None None 2000 3700 None
STA PRES 27.96 27.96 27.88 27.88 27.89 27.93 27.90
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 81 59 79 60 80 60 72 45 63
TEMP 78 72 62 60 77 71 62 60 78 72 64 62 70 62 52 46 62 56
DEWPT 57 53 52 55 55 53 54 55 57 55 54 55 53 45 41 38 37 34
RH 48 51 70 84 47 53 75 84 48 55 70 78 55 54 66 73 39 43
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 SC B1 B1 B1 B1 B1 B1 B2 B1 B1 B2 B2 B1 B1 B1 B1
POP 12HR 40 10 40 20 60 30 70 40 30
RAIN SHWRS IS SC IS SC IS SC NM SC SC SC NM SC SC SC SC
TSTMS IS 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