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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 PM EDT Sat May 23 2026

VAZ018-240800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
631 PM EDT Sat May 23 2026

Date           05/23/26      Sun 05/24/26            Mon 05/25/26            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
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08

MIN/MAX TEMP                 54          73          63          81          64
TEMP             55 55 55 55 56 66 72 70 69 66 65 64 66 75 79 77 71 68 66 65 67
DEWPT            53 53 53 54 56 60 64 65 65 63 61 60 62 68 69 69 66 65 63 62 63
MIN/MAX RH                   99          77          92          70          90
RH               93 93 93 96100 81 76 84 87 90 87 87 87 79 72 76 84 90 90 90 87
WIND DIR         SE SE SE SE  S  S  S  S SE  N  N  W  W  W  W  N  N  N  N  N  N
WIND SPD          4  4  4  3  3  3  3  3  2  0  0  1  1  1  1  0  0  0  0  0  0
CLOUDS           OV OV OV OV OV OV B2 B2 B2 OV B2 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2
CLOUDS(%)       100 98 96 93 90 89 80 83 86 89 81 67 68 65 86 86 85 87 86 87 82
VSBY              2  1  1  1  1  4  8 10  8  4  2  1  2  5  7  9  5            
POP 12HR                     60          30          30          80          70
RAIN SHWRS       SC NM SC IS IS       SC SC SC IS IS SC SC  O  O NM NM SC SC NM
TSTMS                                    IS                SC SC IS            
MIX HGT          <1 <1 <1 <1 <1 <1  2  2 <1 <1 <1 <1 <1  2  3  2 <1            
T WIND DIR        E SE  E NE  E SW SW  S  S  S SW NW  W  W NW NW  N            
T WIND SPD        5  4  2  2  2  4  4  8 11  5  4  3  9  9 16  9  5            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI               3  2  1  1  2  6 14 20  5  3  2  2 10 21 54 21  3            
MAX LVORI         8  6  6  6  6  6  4  3  5  6  6  7  5  3  3  3  6            
STABILITY         F  F  F  F  B  B  B  B  F  F  F  F  B  A  B  B  F            
CEILING               200   100   100  1600  1600   100  4600  2900  3200      
STA PRES            27.96 27.95 27.94 27.89 27.88 27.88 27.92 27.89            


Date           05/26Wed 05/27/26Thu 05/28/26Fri 05/29/26Sat 05/30/26
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MAX/MIN TEMP       80      64      80      64      82      61      76      56      72
TEMP          79 70 67 68 79 74 68 68 81 75 66 65 75 69 61 59 70 65
DEWPT         70 67 63 64 69 66 61 62 66 64 59 58 60 58 53 51 55 53
RH            74 90 87 87 72 76 78 81 60 69 78 78 60 68 75 75 59 65
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 OV B2 B2 B2 OV B1 B1 B1 B2 SC B1 B1 B1 B1 B1 B1 B1
POP 12HR          100      70      90      30      60      20      50      40      40
RAIN SHWRS    NM  O NM SC NM  O SC IS SC NM IS IS SC SC SC SC SC SC
TSTMS            SC IS    IS SC SC       SC          IS            

$$


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