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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 AM EDT Fri May 22 2026

VAZ012-222000-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
301 AM EDT Fri May 22 2026

Date             Fri 05/22/26            Sat 05/23/26            Sun 05/24/26
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                 67          52          74          56          80
TEMP          56 55 59 63 66 63 58 57 56 55 62 68 70 67 62 60 59 61 69 75 77 71
DEWPT         55 55 58 59 59 58 56 55 54 55 60 62 63 63 61 59 58 61 64 64 66 65
MAX/MIN RH                   80         100          71         100          67
RH            96100 96 87 78 84 93 93 93100 93 81 78 87 97 96 96100 84 69 69 81
WIND DIR       E  E SE SE SE  E  E  E SE SE SE SE SE SE SE SE  N  S  S  S  S SE
WIND SPD       3  3  3  3  3  4  4  3  3  3  3  3  3  2  1  1  0  1  1  2  1  1
CLOUDS        OV OV OV OV OV OV OV OV B2 OV B1 OV OV OV B2 B2 B2 B2 B1 B2 B2 B2
CLOUDS(%)     90 92 89 92 91 94 94 90 84 92 69 96 96 92 75 81 78 77 65 86 86 72
VSBY           3  2  3  3  4  3  2  2  3  3  6  6  7  6  4                     
POP 12HR                     90          90          90          60          80
RAIN SHWRS    NM  O NM NM SC  O  O  O NM  O IS  O  O NM NM IS IS SC SC  O  O NM
TSTMS               IS IS IS       IS          SC SC IS             IS SC SC IS
MIX HGT       <1 <1  1  1  1 <1 <1 <1 <1 <1  1  2  2  1 <1 <1 <1 <1  1  3  2 <1
T WIND DIR     E  E  E  E  E  E  E  E SE  E SE  S  S  S SE  S  S  S  W SW  S  S
T WIND SPD     9 10  9  9  9  9  9  8  6  6  8 10 11 10  5  4  3  3 10 10  9 11
DISPERSION    VP             VP VP VP VP             VP VP VP VP             VP
ADI            4 11 13 13 13  6  6  4  3  7 13 22 25  5  3  2  2  4 18 41 28  5
MAX LVORI      7  7  5  4  4  4  6  6  6  8  5  3  3  5  8  9 10  9  4  1  3  4
STABILITY      F  B  B  B  B  E  E  F  F  B  B  B  B  F  F  F  F  B  B  B  B  F
CEILING               200   100   200   100   200   200   200   200   200  2200
STA PRES            27.37 27.35 27.37 27.36 27.38 27.34 27.36 27.37 27.38 27.33


Date          Mon 05/25/26Tue 05/26/26Wed 05/27/26Thu 05/28/26
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       58      79      58      76      58      76      58      76
TEMP          61 61 74 71 63 61 74 71 63 61 74 71 62 61 74 70
DEWPT         61 61 66 65 61 61 65 65 61 61 65 65 60 61 62 62
RH           100100 76 81 93100 74 81 93100 74 81 93100 66 76
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 OV B2 B2 B2 OV B2 B2 OV OV B1 B1 B1 B2
POP 12HR           60      90      60      90      60      90      40      70
RAIN SHWRS    NM SC  O  O NM SC  O  O NM SC  O  O SC SC SC NM
TSTMS         IS    IS SC IS    IS SC IS    IS SC IS       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