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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EDT Fri May 15 2026

VAZ018-152000-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
401 AM EDT Fri May 15 2026

Date             Fri 05/15/26            Sat 05/16/26            Sun 05/17/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 72          53          85          61          89
TEMP          44 48 61 69 72 64 57 54 53 57 74 82 82 73 67 63 61 65 80 86 88 80
DEWPT         33 34 38 40 41 42 41 39 39 44 49 52 55 56 54 52 50 55 57 56 56 59
MAX/MIN RH                   32          61          35          72          33
RH            65 58 42 35 33 45 55 57 59 62 41 35 40 55 63 67 67 70 45 36 34 49
WIND DIR      NW NW NW NW NW NW  N  N  N  N SW SW SW SW SW  W  W  W  W SW  S  S
WIND SPD       5  6  8  5  3  2  0  0  0  0  2  4  4  2  2  2  2  2  3  3  2  1
WIND GUST     20 25 23 16                   12 14 14    12          13         
CLOUDS        FW CL CL SC FW B1 B1 SC FW FW SC SC SC B2 SC SC SC SC FW SC FW FW
CLOUDS(%)     17  4  2 31 25 58 56 42 23 23 26 37 39 81 36 44 40 29 24 26 19 21
VSBY          10 10 10 10 10 10 10 10 10 10 10 10 10  9 10 10  9 10  9 10 10  9
POP 12HR                      0           5           5           5           5
MIX HGT       <1  1  3  4  4 <1 <1 <1 <1 <1  3  6  4 <1 <1 <1 <1 <1  4  7  7 <1
T WIND DIR     W NW NW NW  W  W NW  W NW SW SW SW  W  W SW  W  W  W  S  S  S  S
T WIND SPD     6 13 17 13  8  3  3  2  2  1  9 12 11  1  3  4  3  2  1  9 12 13
DISPERSION    PR             VP VP VP VP             VP VP VP VP             VP
ADI            3 24 70 73 42  2  2  1  1  1 36 95 61  1  2  2  2  2  6 76107  6
MAX LVORI      3  2  1  1  1  2  2  3  3  3  1  1  1  3  3  3  3  3  2  1  1  2
STABILITY      F  B  B  A  A  F  F  F  G  A  A  A  A  F  G  F  G  A  A  A  A  G
CEILING              None  None  None  None  None  None  None  None  None  None
STA PRES            27.83 27.81 27.87 27.89 27.90 27.88 27.88 27.92 27.97 27.95


Date          Mon 05/18/26Tue 05/19/26Wed 05/20/26Thu 05/21/26
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       64      92      65      92      66      88      65      82
TEMP          66 68 91 83 69 69 89 83 70 70 85 78 68 67 79 72
DEWPT         54 58 57 57 55 58 54 55 54 58 59 59 58 59 57 55
RH            65 70 32 41 61 68 30 38 57 66 41 52 70 75 47 55
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW SC FW CL FW FW SC SC B1 B2 B1 B1 B1 B1
POP 12HR            5      20      10      10       5      60      30      50
RAIN SHWRS             IS                   SC NM SC IS SC SC
TSTMS                  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