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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Wed Apr 15 2026

VAZ046-152000-
RAWS 441101
37.39N  78.80W Elev. 804 ft
801 AM EDT Wed Apr 15 2026

Date             Wed 04/15/26            Thu 04/16/26            Fri 04/17/26
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                 91          65          90          65          87
TEMP                82 88 90 83 76 72 67 67 81 88 89 83 75 72 67 66 78 84 87 79
DEWPT               55 52 51 52 52 51 51 53 54 53 52 52 52 53 54 56 56 54 51 50
MAX/MIN RH                   26          62          28          71          30
RH                  40 29 26 34 43 48 56 61 39 30 28 34 45 51 63 70 47 36 29 36
WIND DIR             W SW SW SW SW SW SW SW  W SW SW SW SW  W  W  W  W  W  W NW
WIND SPD             6  8  9  5  6  6  5  5  8 10 10  6  6  6  5  5  6  8  6  3
WIND GUST                       17                      17                     
CLOUDS              FW FW FW FW FW SC B1 B1 B1 SC SC SC SC SC B1 SC SC SC SC FW
CLOUDS(%)           16 23  7 24 22 46 63 67 53 45 34 28 31 45 52 35 35 30 30 11
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10  7  7  7  7  7  7   
POP 12HR                      0           0           0          20          20
RAIN SHWRS                                                 IS IS IS IS IS IS   
MIX HGT              3  7  7 <1 <1 <1 <1 <1  4  6  8 <1 <1 <1 <1 <1  4  8  8 <1
T WIND DIR           W SW SW SW SW SW SW SW  W SW SW SW SW  W  W  W NW NW NW  W
T WIND SPD          11 11 16  6  6  6  5  6 17 17 18  5  6  8  8 12 17 13 14  3
DISPERSION                   PR PR PR PR             PR PR PR PR             VP
ADI                 48 83127  3  3  5  4  7 76121150  3  3  5  5 12 85112128  2
MAX LVORI            1  1  1  2  2  2  3  3  1  1  1  2  2  2  3  3  1  1  1  2
STABILITY            B  B  B  F  F  E  E  A  B  B  B  F  F  E  E  A  B  B  B  G
CEILING              None  None  None  None  None  None  None  None  None  None
STA PRES            29.35 29.28 29.27 29.26 29.26 29.18 29.19 29.20 29.25 29.21


Date          Sat 04/18/26Sun 04/19/26Mon 04/20/26Tue 04/21/26
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       59      90      59      73      42      64      37      73
TEMP          64 63 87 83 70 63 71 66 50 45 62 58 44 42 69 67
DEWPT         52 53 53 52 54 53 45 35 29 24 20 19 23 26 31 33
RH            65 70 31 34 57 70 39 32 44 43 20 22 43 53 24 28
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC SC SC SC B1 B2 B1 SC CL FW FW CL CL FW FW
POP 12HR            5       5      20      50      20       5       0       0
RAIN SHWRS                IS IS 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