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

VAZ024-222000-
RAWS 441631
37.63N  79.51W Elev. 865 ft
801 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                 65          51          68          56          81
TEMP                60 63 64 62 58 57 55 54 60 63 66 65 63 60 60 60 70 78 80 75
DEWPT               59 59 59 57 56 55 54 54 59 61 62 61 61 60 60 60 66 68 70 69
MAX/MIN RH                   82         100          85         100          71
RH                  96 87 84 84 93 93 96100 96 93 87 87 93100100100 87 71 72 82
WIND DIR             E  E  E  E  E  E  E  E  E  E  E  E  N  N  N  N  N  S  S  S
WIND SPD             3  4  4  3  3  2  2  2  2  2  2  1  0  0  0  0  0  2  3  1
WIND GUST                    14 13                                             
CLOUDS              OV OV OV OV OV OV B2 OV B2 B2 B2 OV OV B2 OV B2 B2 B1 B1 B2
CLOUDS(%)           92 93 94 95 92 95 85 93 82 83 84 93 93 85 89 81 76 69 69 79
VSBY                 2  3  3  3  1  2  3  2  2  2  3  3  2  2                  
POP 12HR                    100         100         100          90          50
RAIN SHWRS           O  O  O  O NM NM NM  O NM NM NM  O  O SC SC IS IS SC SC NM
TSTMS                                          SC SC                   SC SC IS
MIX HGT              1  1  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 NE NE NE NE  E NE NE NE NE  N NW NW SW SW  S  S
T WIND SPD          13 11 13 11 10  9  9  9  8  6  5  4  3  2  1  1  2  6  8  9
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 25 22 24  5  5  4  4 13 12 13  9  2  2  1  1  1  3 18 24  4
MAX LVORI            5  4  4  5  6  6  9  5  7  5  5  6  7 10 10 10  6  3  3  4
STABILITY            B  C  C  F  F  F  F  B  B  B  B  F  F  F  F  B  B  B  B  F
CEILING               800   400   400   400   900   700   400   400   900  3600
STA PRES            28.70 28.68 28.70 28.70 28.71 28.67 28.67 28.65 28.65 28.60


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       62      83      63      80      63      82      62      83
TEMP          67 63 82 76 69 66 78 76 68 65 81 77 68 65 82 77
DEWPT         65 63 71 70 66 65 70 69 65 64 69 70 65 63 66 67
RH            93100 69 82 90 97 76 79 90 97 67 79 90 93 58 71
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 OV B2 B2 B2 OV B2 B2 B2 B2 B2 B1 B1 B1
POP 12HR           70      80      80      80      50      70      30      40
RAIN SHWRS    NM SC SC  O  O SC NM  O SC SC NM NM SC IS SC SC
TSTMS         IS       SC IS       SC 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