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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 AM EDT Thu Apr 23 2026

VAZ018-240800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
131 AM EDT Thu Apr 23 2026

Date           04/22/26      Thu 04/23/26            Fri 04/24/26            Sat
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                 53          81          56          83          59
TEMP                   54 54 57 72 79 80 70 63 59 57 59 76 80 82 73 64 61 59 60
DEWPT                  42 41 43 47 47 45 45 44 44 45 46 47 45 45 46 48 48 48 52
MIN/MAX RH                   65          32          64          29          73
RH                     64 61 59 41 32 29 41 50 57 64 62 36 29 27 38 56 62 67 75
WIND DIR                W  W NW NW NW NW NW NW  W  W  W  W  W  W  W  W  W  W  W
WIND SPD                3  3  3  6  6  6  2  2  2  2  2  3  4  4  2  2  2  2  3
WIND GUST              13 14 17 21 19 17 12             14 14          12 12 14
CLOUDS                 CL FW FW FW SC SC FW CL FW FW FW FW SC SC FW FW B1 B1 B2
CLOUDS(%)               3 10 11  9 28 34 18  5  7 17 23 20 37 28 24 16 52 52 87
VSBY                   10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      0          10           5          10          30
RAIN SHWRS                                                             SC SC  O
MIX HGT                <1 <1 <1  5  7  7 <1 <1 <1 <1 <1  7  8  6 <1 <1 <1 <1 <1
T WIND DIR              W  W  W NW NW NW NW  W  W  W  W  W  W  W  W  W  W  W  W
T WIND SPD              5  6  8 21 13 11  6  3  3  4  3 14 11 11  9  3  3  4  5
DISPERSION             VP VP             VP VP VP VP             VP VP VP VP   
ADI                     3  3  8126106 89  3  2  2  2  3118111 90  4  2  2  2  6
MAX LVORI               3  3  3  1  1  1  2  2  3  3  3  1  1  1  2  3  3  3  3
STABILITY               G  G  A  B  B  B  G  G  G  G  A  A  A  A  G  G  F  F  B
CEILING                    None  None  None  None  None  None  None  None 15300
STA PRES                  27.80 27.81 27.75 27.73 27.71 27.69 27.62 27.62 27.59


Date           04/25Sun 04/26/26Mon 04/27/26Tue 04/28/26Wed 04/29/26
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       77      52      76      51      70      55      72      51      74
TEMP          74 67 56 54 74 66 53 52 67 64 57 56 69 66 56 54 71 66
DEWPT         56 50 47 46 46 46 44 44 48 46 47 51 56 52 47 47 46 42
RH            53 54 72 74 37 48 71 74 50 52 69 83 63 61 72 77 41 42
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B1 SC SC SC SC B1 B1 B1 B1 B2 B2 B1 B1 SC B1 B1
POP 12HR           80      30      20      10      30      70      80      30      30
RAIN SHWRS     O  O SC    IS IS       IS SC SC NM  O SC SC IS SC SC
TSTMS            SC                                  SC          IS

$$


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