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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
901 AM EST Tue Jan 20 2026

VAZ018-202100-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
901 AM EST Tue Jan 20 2026

Date             Tue 01/20/26            Wed 01/21/26            Thu 01/22/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19

MAX/MIN TEMP                 27          17          45          33          48
TEMP                18 26 26 20 17 17 17 17 28 42 44 37 35 36 36 37 42 47 45 36
DEWPT               -5 -8-11-10-10 -9 -5 -3 -1  8 13 15 18 25 30 30 29 26 23 21
MAX/MIN RH                   18          41          24          80          41
RH                  35 21 18 25 28 30 36 40 28 24 28 40 49 64 79 75 60 43 41 54
WIND DIR             W  W  W  W  W  W SW SE  S  S  S SW SW  W  W  W  W  W  W  W
WIND SPD             8  9  6  2  1  1  1  2  3  6  6  5  5  5  6  6  8  8  6  3
WIND GUST           28 26 23 13             14 20 23 20 21 23 24 26 27 25 23 16
CLOUDS              CL CL FW CL FW FW FW FW FW FW SC SC B1 B2 B2 B1 SC FW FW FW
CLOUDS(%)            4  5  7  4  6  8 11  7  8 16 30 43 56 72 75 62 33 25 23 14
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10  7               
POP 12HR                      0           0           5          20          10
RAIN                                                        S  S               
MIX HGT              2  4  3 <1 <1 <1 <1 <1  1  3  2 <1 <1  1  1  1  2  4  4 <1
T WIND DIR           W  W  W  W  W SW  S  S  S  S  S SW SW  W  W  W  W  W  W  W
T WIND SPD          17 19 17 14  5  2  2  3  8 18 20 12 11  9 17 23 20 21 20 11
DISPERSION                   VP VP VP VP             PR PR PR PR             VP
ADI                 47 69 60  7  3  1  1  4 13 56 55  8  8  6 12 31 56 77 74  5
MAX LVORI            1  1  1  2  2  2  2  2  2  1  1  2  2  3  4  3  1  1  1  3
STABILITY            C  C  C  G  G  G  G  B  B  C  C  E  E  E  E  D  C  C  C  G
CEILING                    None  None  None  None  None  2800  1500  None  None
STA PRES                  28.03 28.08 28.04 28.00 27.88 27.86 27.84 27.89 27.89


Date          Fri 01/23/26Sat 01/24/26Sun 01/25/26Mon 01/26/26
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly     01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19

MIN/MAX TEMP       27      39      18      25      14      28      10      27
TEMP          31 27 38 30 23 19 25 20 17 15 25 21 16 11 26 17
DEWPT         20 18 15 13  6  5  8  7  9  9 11  8  6  3  6  3
RH            63 68 38 49 47 54 48 56 70 77 55 56 64 69 42 53
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC B1 B1 B1 B2 B2 OV B2 B2 B2 B1 B1 B1 SC FW
POP 12HR           20      20      30      60      80      60      30      10
SNOW              S  S     S  C  C  L  L  D  L  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