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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
702 PM EST Wed Feb 25 2026
VAZ046-260900-
RAWS 441101
37.39N 78.80W Elev. 804 ft
702 PM EST Wed Feb 25 2026
Date 02/25/26 Thu 02/26/26 Fri 02/27/26 Sat
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 44 49 39 51 38
TEMP 50 49 47 45 47 48 49 46 44 42 41 40 43 48 51 46 43 42 41 40
DEWPT 37 38 40 41 44 44 43 41 40 39 38 38 39 40 40 38 38 37 37 37
MIN/MAX RH 93 73 93 66 91
RH 61 66 76 86 89 86 80 83 86 89 89 92 86 74 66 73 82 82 85 89
WIND DIR SW SW W SW NW N E E NE NE NE NE NE E E E SE SE W W
WIND SPD 8 5 4 3 4 5 4 2 2 2 3 3 4 4 4 2 2 2 2 2
WIND GUST 19 16
CLOUDS B1 B2 OV OV OV B2 B2 B2 SC B1 B1 B1 B1 B1 SC SC SC SC SC SC
CLOUDS(%) 57 84 91 95 88 87 73 71 44 52 66 68 64 53 45 31 30 36 46 46
VSBY 10 10 10 6 4 3 5 10 9 7 7 7 7 10 10 10 10 10 10 10
POP 12HR 50 70 20 20 10
RAIN C C L S S S S
RAIN SHWRS SC
MIX HGT <1 <1 <1 <1 <1 <1 1 <1 <1 <1 <1 <1 1 3 4 <1
T WIND DIR W W SW SW NW NE N NE NE E E NE E SE SE E
T WIND SPD 9 11 11 11 3 2 3 3 5 5 3 4 5 5 6 8
DISPERSION PR PR VP VP VP VP VP VP VP VP VP
ADI 8 8 8 9 4 3 5 2 3 3 2 4 8 14 30 4
MAX LVORI 3 3 4 5 6 5 4 5 5 6 7 6 4 3 3 3
STABILITY D E E C D D D F F F F C D D B G
CEILING 9000 8300 200 1600 None 800 1100 None None
STA PRES 29.14 29.19 29.21 29.21 29.31 29.39 29.47 29.44
Date 02/28Sun 03/01/26Mon 03/02/26Tue 03/03/26Wed 03/04/26
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 65 42 61 34 40 29 43 36 56
TEMP 60 55 48 44 59 50 40 36 38 37 32 30 39 39 37 38 54 50
DEWPT 42 40 39 37 38 33 25 25 27 25 23 23 25 28 29 31 39 37
RH 51 57 71 76 45 52 55 64 64 61 69 75 57 64 72 76 57 61
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW CL FW FW SC B1 B2 OV OV OV OV B2 OV OV OV B2 B1 FW
POP 12HR 5 0 5 20 60 40 50 40 40
FRZG RAIN C C C
RAIN S L C C C C C C C S
SNOW S L 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