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

VAZ018-230800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
501 PM EDT Fri May 22 2026

Date           05/22/26      Sat 05/23/26            Sun 05/24/26            Mon
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                 52          62          59          78          64
TEMP             54 54 54 53 54 57 59 60 62 61 60 60 61 70 78 76 71 68 65 64 67
DEWPT            52 52 51 50 50 53 59 60 59 59 58 58 58 64 66 68 66 64 61 61 62
MIN/MAX RH                   92          86          99          67          88
RH               93 93 90 89 86 86100100 90 93 93 93 90 81 67 76 84 87 87 90 84
WIND DIR          E  E SE  E SE  E  E  E  E  E  N  N  N  S SE SE SE  N  N  N  N
WIND SPD          5  5  5  5  5  4  3  3  2  2  0  0  0  1  2  2  1  0  0  0  0
WIND GUST        16 16                   12                                    
CLOUDS           OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 OV OV B2 B2 B2 B2 B2
CLOUDS(%)       100100100100100100100100100 92 91 89 80 75 89 89 71 71 75 85 85
VSBY              1  1  1  2  1  2  3  3  3  2  2  3  3  6 10 10 10            
POP 12HR                    100         100          80          80          60
RAIN              C  D  D  D  D                                                
RAIN SHWRS                       O NM NM  O  O    SC IS IS  O  O NM NM SC SC NM
TSTMS                                                      SC SC IS            
Obvis               PF PF PF                                                   
MIX HGT          <1 <1 <1 <1  1  1  1 <1 <1 <1 <1 <1 <1  2  3  1 <1            
T WIND DIR        E  E  E  E  E  E  E  E  E  E NE NE  N SW  S  S  S            
T WIND SPD        9 10 10  9  9  6  6  5  4  2  2  1  1  8  4 10 11            
DISPERSION       PR PR PR PR             VP VP VP VP             VP VP VP VP   
ADI               8  9  9  8 12  9  9  7  4  1  1  1  1 19 17 19  5            
MAX LVORI         4  5  5  5  5  5  6  6  6  7  7  8  6  3  3  3  5            
STABILITY         D  D  D  D  D  B  D  B  D  F  F  F  B  B  B  B  F            
CEILING               100   100   200   100   200   100   600  2400  1600      
STA PRES            27.95 27.94 27.98 27.95 27.96 27.94 27.94 27.88            


Date           05/25Tue 05/26/26Wed 05/27/26Thu 05/28/26Fri 05/29/26
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      63      73      63      78      63      78      60      76
TEMP          78 72 66 65 71 69 66 66 74 72 66 65 76 72 64 62 73 69
DEWPT         68 65 62 62 66 64 61 61 65 64 59 59 61 61 57 55 56 56
RH            71 79 87 90 84 84 84 84 74 76 78 81 60 68 78 78 55 63
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 OV B2 B2 OV OV B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR           90      80      90      50      80      30      40      20      30
RAIN SHWRS    NM  O  O NM  O  O SC SC  O  O SC IS SC SC IS IS SC SC
TSTMS            SC IS    IS SC IS    IS SC          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