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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EST Mon Mar 2 2026
VAZ018-030900-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
231 AM EST Mon Mar 2 2026
Date 03/01/26 Mon 03/02/26 Tue 03/03/26 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
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 31 36 31 57 46
TEMP 36 33 34 35 35 33 32 32 32 34 41 53 56 51 49 48 48 47
DEWPT 28 26 26 27 27 28 28 29 30 33 39 45 46 45 44 44 44 43
MIN/MAX RH 78 70 100 68 88
RH 72 75 72 72 72 82 85 88 92 96 92 74 69 80 83 86 86 86
WIND DIR E E SE SE SE SE SE SE E E SE S S S S SW W W
WIND SPD 3 3 4 4 3 3 2 2 2 2 2 4 4 3 3 2 2 2
WIND GUST 16 16 14 14 16 13 13 16 17 16 14 14 12 12
CLOUDS B1 B2 B2 OV OV OV OV OV OV OV B2 B1 B1 B2 B1 B1 B1 B2
CLOUDS(%) 63 80 87 92 91 94 94 93 98 94 81 59 61 78 64 61 69 70
VSBY 10 10 6 3 3 3 1 1 1 1 4 9 9 7 4 5 10 9
POP 12HR 10 90 80 20 30
FRZG RAIN C
RAIN S S S L L C S S S S C C C C S
SLEET L L
SNOW L D L
MIX HGT <1 <1 1 1 1 1 <1 <1 <1 <1 <1 2 2 1 <1 <1 <1 <1
T WIND DIR E E E SE SE SE SE SE SE SE S S S S SW SW W W
T WIND SPD 11 13 13 13 12 10 8 5 3 3 2 8 11 8 5 4 3 4
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 5 14 22 21 20 5 4 3 2 3 2 15 32 4 3 2 2 4
MAX LVORI 3 4 3 3 3 4 5 6 7 8 7 3 3 4 5 5 6 6
STABILITY F C D D C F F F F C C D C F F F F C
CEILING 1300 600 300 300 300 4800 2700 200
STA PRES 28.16 28.13 28.16 28.10 28.08 28.00 28.00 27.99
Date 03/04Thu 03/05/26Fri 03/06/26Sat 03/07/26Sun 03/08/26
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 71 51 76 56 78 57 79 60 73
TEMP 69 63 55 52 75 65 59 56 77 66 60 57 78 68 63 60 71 67
DEWPT 54 51 50 47 54 52 52 52 56 54 54 53 56 54 55 55 56 54
RH 59 65 83 83 48 63 78 86 48 65 81 86 47 61 75 84 59 63
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 SC SC FW FW FW B1 B1 B1 B1 B2
POP 12HR 20 5 10 20 20 10 40 50 50
RAIN S S S S C C C C C
$$
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