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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Sun Apr 26 2026

VAZ012-262000-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
801 AM EDT Sun Apr 26 2026

Date             Sun 04/26/26            Mon 04/27/26            Tue 04/28/26
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                 73          41          73          45          71
TEMP                65 71 72 62 52 47 43 44 60 69 72 64 53 48 46 48 57 64 70 65
DEWPT               49 46 45 46 44 42 40 39 40 40 38 38 38 38 38 40 46 50 52 53
MAX/MIN RH                   37          93          29          77          51
RH                  56 41 38 56 74 83 89 82 47 35 29 38 57 68 73 74 67 60 53 65
WIND DIR             N NE  E  E  E  E  E  E SE SE SE SE SE SE SE SE  S  S SW SW
WIND SPD             3  3  4  4  3  3  3  3  3  4  4  4  4  4  4  3  3  4  3  2
CLOUDS              SC SC SC SC SC B1 B2 B1 FW FW FW SC FW B1 B1 OV OV OV B1 B1
CLOUDS(%)           46 30 26 27 28 62 70 56 13 18 21 31 17 55 62 92 92 89 65 54
VSBY                10 10 10 10 10 10  5 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0           0          30          90
RAIN SHWRS                                                 SC SC  O  O SC SC SC
TSTMS                                                            IS IS IS SC IS
MIX HGT              2  4  4 <1 <1  1 <1  1  2  3  3 <1 <1 <1 <1 <1 <1  2  3 <1
T WIND DIR          NE NE  E  E  E  E  E SE SE SE SE SE SE  S  S  S SW  S SW SW
T WIND SPD           5  5  6  8  6 10 11 11 11 11 13 10 10 12 19 14  9 11 10  8
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 18 29 35  4  3  5  5 18 28 45 58  5  5  8 13 17 10 30 36  4
MAX LVORI            2  2  1  3  4  5  6  4  2  1  1  2  3  3  4  3  3  1  1  3
STABILITY            A  A  A  F  G  F  F  B  A  A  A  F  F  E  E  B  B  C  B  F
CEILING              None  None  None   100  None  None  None  1200   500   400
STA PRES            27.20 27.23 27.32 27.35 27.42 27.36 27.38 27.34 27.36 27.27


Date          Wed 04/29/26Thu 04/30/26Fri 05/01/26Sat 05/02/26
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       52      69      42      61      34      60      36      59
TEMP          54 55 66 60 47 44 58 52 40 38 58 52 40 39 57 51
DEWPT         52 52 55 50 43 38 33 31 31 29 31 32 33 33 33 30
RH            93 90 68 69 86 79 39 44 70 70 36 46 76 79 40 44
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B2 OV OV B1 SC SC SC FW FW SC B1 B1 B1 B1 SC
POP 12HR           70     100      30      10      10      30      40      30
RAIN SHWRS    SC NM  O  O SC                IS SC SC SC SC IS
TSTMS         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