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

VAZ024-230800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
331 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          64          56          80          62
TEMP          61 58 56 54 53 55 60 63 64 62 59 58 57 59 69 78 80 75 69 67 66 63
DEWPT         53 56 56 54 53 54 58 60 62 61 59 58 57 58 65 66 69 68 66 65 64 62
MIN/MAX RH                  100          92         100          68          97
RH            75 93100100100 96 93 90 93 97100100100 96 87 67 69 79 90 93 93 97
WIND DIR       E  E  E  E  E  E  E  E  E  E  N  N  N  N  N  S  S  S  N  N  N  N
WIND SPD       4  3  3  3  2  2  2  2  2  1  0  0  0  0  0  2  2  1  0  0  0  0
WIND GUST        14 13                                                         
CLOUDS        OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2
CLOUDS(%)     96 99100100100100 99 96 96 99 96 93 88 82 80 78 78 78 78 74 82 80
VSBY           4  3  2  2  2  1  2  3  4  3  2  2                              
POP 12HR                    100         100          90          60          70
RAIN SHWRS     O SC NM  O  O  O  O  O NM SC NM NM SC IS IS NM NM NM NM SC SC NM
TSTMS         IS                      IS IS                IS SC IS            
MIX HGT        1  1  1  1  1  1  1  1  1  1 <1 <1 <1 <1  1  2  2 <1            
T WIND DIR     E  E  E  E  E  E NE NE NE NE  E  N NE  N  N  S  S  S            
T WIND SPD    10  8 10 10  9  6  5  8  5  5  2  3  2  2  1  4  9  9            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           16  4  9  9  8  9  8 11  8  3  1  2  1  2  2 14 26  4            
MAX LVORI      3  6  8  8  8  8  6  5  6  9 10 10 10  8  6  3  3  4            
STABILITY      C  F  D  D  D  D  B  B  B  F  F  F  F  B  B  B  B  F            
CEILING               500   400   500   700   400   400   400  2300  2600      
STA PRES            28.70 28.69 28.73 28.70 28.69 28.67 28.68 28.60            


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       82      62      78      62      82      61      82      58      80
TEMP          79 75 68 65 75 74 67 65 79 76 67 64 81 76 65 61 77 73
DEWPT         69 69 66 64 68 68 64 64 67 68 63 61 64 65 60 57 59 61
RH            72 82 93 97 79 82 90 97 67 76 87 90 56 69 84 87 54 66
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B2 OV OV B2 B2 B2 B2 B1 B1 B1 B1 SC B1 SC B1
POP 12HR           80      80      90      50      80      20      40      20      30
RAIN SHWRS    NM  O  O  O  O  O SC SC NM  O IS IS SC SC IS IS IS SC
TSTMS            SC IS       SC 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