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

VAZ018-222000-
RAWS 444002
37.56N  80.18W Elev. 2702 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                 64          54          67          59          79
TEMP          58 57 60 61 63 59 58 57 56 56 59 62 65 63 63 61 61 63 72 78 76 70
DEWPT         55 55 59 59 59 55 54 52 52 53 58 60 62 60 59 58 58 59 66 68 69 66
MAX/MIN RH                   84          96          84          90          71
RH            90 93 96 93 87 87 86 83 86 90 96 93 90 90 87 90 90 87 81 71 79 87
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E SE  E  N  N  N  S  S  S SE
WIND SPD       3  4  4  4  4  5  4  4  3  3  3  3  3  2  1  0  0  0  1  2  2  1
WIND GUST     13 16 16 16 16 20 20 17 16 14 13                                 
CLOUDS        OV OV OV OV OV OV OV OV OV OV B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B2
CLOUDS(%)     91 99 91 93 95 95 95 93 91 93 86 86 87 89 88 87 86 78 74 83 83 75
VSBY           1  1  2  2  2  1  1  1  2  2  2  4  2  1  0                     
POP 12HR                    100          90          90          80          70
RAIN SHWRS    SC  O NM NM  O  O NM NM  O  O  O SC SC  O  O SC SC IS IS NM NM NM
TSTMS                  IS IS                   IS IS                   SC SC IS
MIX HGT       <1 <1  1  1  1 <1 <1 <1 <1 <1  1  1  1 <1 <1 <1 <1 <1  1  3  3 <1
T WIND DIR     E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  N  N SW  S SW  S  S
T WIND SPD     9  9  9 11 13 10  9 10  9  9  6  6  5  4  3  0  0  1  3  6  8 11
DISPERSION    VP             PR VP VP VP             VP VP VP VP             VP
ADI            4 10 14 18 20  7  6  7  4 11 10 10  9  2  2  0  0  1  5 23 27  5
MAX LVORI      6  5  5  5  4  5  5  4  5  5  6  5  5  6  7  7  7  7  4  3  3  5
STABILITY      F  C  C  C  C  E  E  E  F  B  B  B  B  F  F  F  F  B  B  B  B  F
CEILING               100   100   100   100   100   100   100   100   100  2400
STA PRES            27.96 27.94 27.96 27.95 27.97 27.93 27.93 27.91 27.92 27.88


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       64      81      64      78      64      80      63      81
TEMP          66 67 79 73 68 67 77 73 68 67 78 73 67 67 79 73
DEWPT         62 63 70 67 63 63 69 66 62 63 68 66 61 61 65 63
RH            87 87 74 81 84 87 76 79 81 87 71 79 81 81 62 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 B1 B1 B1 B1
POP 12HR           60      80      70      80      50      80      40      40
RAIN SHWRS    NM SC SC  O NM SC  O  O SC SC NM  O SC SC SC SC
TSTMS         IS    IS SC IS    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