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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
225 PM EST Mon Feb 2 2026
VAZ046-030900-
RAWS 441101
37.39N 78.80W Elev. 804 ft
225 PM EST Mon Feb 2 2026
Date 02/02/26 Tue 02/03/26 Wed 02/04/26 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
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 21 42 29 39 18
TEMP 38 31 26 24 21 22 33 40 41 37 35 34 31 29 34 37 37 32 29 26 22 19
DEWPT 16 17 18 17 17 18 26 28 29 30 30 31 30 28 30 29 27 26 23 19 16 14
MIN/MAX RH 85 61 98 67 80
RH 40 56 71 74 84 84 75 62 62 75 82 89 96 96 85 72 67 78 78 74 77 80
WIND DIR W SW SW SW SW W W SW SW S SW SW NW N NE NE NE NE NE NE N N
WIND SPD 5 4 4 4 4 4 5 6 5 3 3 2 3 5 5 5 4 3 3 3 2 2
CLOUDS FW B1 FW FW FW SC B1 B2 OV OV B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 SC
CLOUDS(%) 7 53 20 11 8 44 64 80 92 91 87 70 65 74 80 74 83 78 81 73 54 35
VSBY 10 10 10 10 10 10 10 10 10 10 7 5 5 7 7 10 10 7 7 10 10
POP 12HR 0 20 50 20 10
RAIN C C S S S
SNOW S S
MIX HGT 2 <1 <1 <1 <1 <1 1 2 1 <1 <1 <1 <1 <1 1 2 2 <1
T WIND DIR SW SW SW W W SW W W SW S S SW W N NE NE NE NE
T WIND SPD 9 4 4 6 4 4 17 13 12 3 5 2 1 9 13 9 9 11
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 23 3 2 3 2 5 30 25 18 2 3 1 1 10 22 18 18 5
MAX LVORI 2 3 3 3 5 5 3 2 2 4 5 7 9 6 4 3 3 4
STABILITY B E F F F B C D D F F F F D D D D F
CEILING None None 11400 4300 3600 400 900 1900 3200
STA PRES 29.49 29.50 29.51 29.42 29.35 29.34 29.42 29.37
Date 02/05Fri 02/06/26Sat 02/07/26Sun 02/08/26Mon 02/09/26
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 38 19 44 25 37 17 38 21 41
TEMP 35 28 21 22 40 39 33 26 36 27 20 19 34 31 25 22 38 33
DEWPT 15 14 10 10 20 27 24 14 9 11 6 6 9 15 14 13 16 19
RH 43 55 62 59 44 62 69 60 32 50 54 56 35 51 62 68 40 56
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW SC SC B1 SC SC FW CL FW FW SC SC SC SC SC SC SC
POP 12HR 0 0 20 0 0 5 5 5 5
RAIN S
SNOW S
$$
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