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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
202 PM EST Sat Feb 28 2026
VAZ046-010900-
RAWS 441101
37.39N 78.80W Elev. 804 ft
202 PM EST Sat Feb 28 2026
Date 02/28/26 Sun 03/01/26 Mon 03/02/26 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 42 64 33 37 32
TEMP 62 56 52 49 47 43 53 59 62 54 47 43 40 33 35 36 36 35 34 34 33 33
DEWPT 42 43 43 42 40 38 42 43 39 35 30 26 24 23 22 22 23 24 25 26 28 30
MIN/MAX RH 83 43 66 51 90
RH 48 62 71 77 76 82 66 55 43 48 51 51 52 66 59 56 59 64 69 72 82 89
WIND DIR SW S SW SW SW SW W NW N NE NE NE NE NE NE N N N NE NE E SE
WIND SPD 8 3 3 2 3 4 6 8 10 8 8 8 9 10 9 6 5 4 3 2 2 2
WIND GUST 18 19 19 19
CLOUDS CL CL CL CL B1 B1 FW B1 B1 B1 B1 SC B1 B2 B2 B2 OV OV OV OV OV OV
CLOUDS(%) 0 0 0 0 54 60 13 52 58 64 53 41 61 80 84 87 92 96 94 92 96 99
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 6 5 4 3 10 10
POP 12HR 0 10 5 20 40
RAIN C C
SLEET C C
SNOW S S C C
MIX HGT 2 <1 <1 <1 <1 <1 1 2 2 1 1 2 1 2 2 2 2 1
T WIND DIR SW S SW SW SW SW W NW NE NE NE NE NE NE E E E E
T WIND SPD 6 4 4 3 3 3 13 9 16 14 13 14 13 13 11 8 6 9
DISPERSION VP VP VP VP PR PR PR PR VP VP VP VP
ADI 20 2 2 2 2 3 24 19 29 17 12 17 15 23 21 16 14 6
MAX LVORI 2 3 3 4 4 5 3 2 2 2 2 2 2 3 2 2 2 3
STABILITY B G G G F C B D D D D D D D D D D E
CEILING None None None 2100 None 3500 4300 800 800
STA PRES 29.34 29.33 29.40 29.53 29.69 29.76 29.85 29.84
Date 03/03Wed 03/04/26Thu 03/05/26Fri 03/06/26Sat 03/07/26
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 47 44 66 51 72 57 76 59 76
TEMP 44 46 45 45 64 61 55 52 70 67 61 57 74 70 64 60 73 71
DEWPT 36 40 43 45 51 49 49 49 54 52 52 53 57 55 56 56 58 56
RH 73 79 93100 63 65 80 89 57 59 72 86 55 59 75 87 59 59
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV OV OV B2 B1 B2 B2 B1 B1 B1 B1 B2 B1 SC B1 SC SC B1
POP 12HR 30 10 5 10 20 10 30 10 30
RAIN C S
RAIN SHWRS IS SC 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