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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Mon Mar 30 2026
NCZ006-310800-
RAWS 310801
36.37N 79.29W Elev. 580 ft
231 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 56 81 61 86 61
TEMP 74 69 63 60 57 58 71 79 80 75 69 66 63 62 75 83 86 78 70 68 63 62
DEWPT 50 49 49 51 52 54 58 57 57 55 56 57 56 58 61 60 58 59 60 60 59 59
MIN/MAX RH 88 44 86 40 92
RH 43 49 60 72 83 86 63 47 45 50 63 73 78 87 62 46 39 52 71 76 87 90
WIND DIR SW S S S SW SW SW SW SW S S SW SW SW SW SW SW S S S S S
WIND SPD 9 4 5 6 6 6 9 10 10 5 6 6 6 5 8 8 8 3 4 4 4 3
WIND GUST 19 17 19 20 17 18 17 16
CLOUDS FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC B1 B1 B1 SC SC SC SC
CLOUDS(%) 25 16 10 17 12 21 21 24 23 25 17 25 21 30 31 55 55 61 48 32 26 35
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 10 0 30 20
RAIN SHWRS SC SC IS IS
MIX HGT 6 <1 <1 <1 <1 <1 3 5 5 <1 <1 <1 <1 <1 2 6 6 <1
T WIND DIR SW S S S S SW SW SW SW S S S S SW W SW SW SW
T WIND SPD 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 VP VP VP
ADI 85 4 4 4 4 12 72 75 83 3 3 5 4 8 46 66 51 3
MAX LVORI 1 2 3 3 5 4 1 1 1 2 3 3 4 5 1 1 1 2
STABILITY 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 None None
STA PRES 29.64 29.64 29.63 29.62 29.53 29.53 29.53 29.56 29.50
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 85 60 83 61 85 62 81 49 67
TEMP 82 76 65 62 80 76 65 62 82 78 67 63 78 71 58 50 65 61
DEWPT 59 56 58 60 58 57 58 60 59 57 58 59 58 53 49 45 43 39
RH 46 50 78 93 47 52 78 93 46 48 73 87 50 53 72 83 45 44
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC FW SC B1 B1 B1 B1 B1 B1 SC B1 B1 B2 B1 B1 B1 B1
POP 12HR 20 10 30 20 40 30 60 50 40
RAIN SHWRS IS SC SC IS IS SC SC IS 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