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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1001 AM EDT Thu Apr 30 2026

VAZ046-302000-
RAWS 441101
37.39N  78.80W Elev. 804 ft
1001 AM EDT Thu Apr 30 2026

Date             Thu 04/30/26            Fri 05/01/26            Sat 05/02/26
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                 70          40          70          47          60
TEMP                63 68 68 60 51 47 42 46 59 67 69 64 56 53 49 48 54 57 59 55
DEWPT               49 43 38 37 36 36 35 37 37 37 37 40 42 43 43 43 45 45 43 43
MAX/MIN RH                   33          81          31          82          57
RH                  60 40 33 42 56 65 76 71 44 33 31 41 59 69 80 83 71 64 55 64
WIND DIR            NW  W NW NW NW  N  N NE  S  S SW SW NW  N  N NE NE NE NE NE
WIND SPD             8  9 11  8  5  3  2  2  4  6  6  4  4  4  4  4  5  5  5  4
CLOUDS              SC FW FW FW FW FW SC SC SC FW SC B2 B2 B2 OV OV OV B2 B2 B2
CLOUDS(%)           41 17 12  8  7 23 41 42 30 18 36 71 80 82 89 89 90 85 77 72
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0          10          30          50
RAIN SHWRS                                           IS IS SC SC SC SC SC SC SC
MIX HGT              5  6  7 <1 <1 <1 <1 <1  4  6  7 <1 <1 <1  1  2  4  6  6 <1
T WIND DIR          NW  W NW NW NW  N  W NW  N SW SW  S SE NE NE NE NE  N  S SW
T WIND SPD          13 11 14 12  5  4  2  2  2  9 12  5  1 10 10 11  5  3  2  3
DISPERSION                   PR PR VP VP             VP VP VP VP             VP
ADI                 80 53 71  8  3  2  1  2 11 61 94  4  1  7  7 23 20 22 10  2
MAX LVORI            1  1  1  2  3  3  4  3  2  1  1  2  3  3  4  3  3  2  2  3
STABILITY            B  C  C  E  F  G  F  A  A  B  B  E  E  E  E  C  C  B  C  E
CEILING                    None  None  None  None  None  6300  5300  4200  7800
STA PRES                  29.12 29.26 29.30 29.31 29.21 29.25 29.26 29.27 29.21


Date          Sun 05/03/26Mon 05/04/26Tue 05/05/26Wed 05/06/26
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       39      66      39      76      53      81      56      82
TEMP          45 44 62 59 44 45 72 70 59 55 78 74 62 58 77 76
DEWPT         39 35 31 32 32 34 40 42 46 47 48 49 50 51 55 56
RH            79 70 31 36 62 65 31 36 62 74 35 41 65 77 47 50
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 FW FW CL CL CL FW FW SC FW FW SC SC SC B1 B1
POP 12HR           30       5       0      10       5      10      20      40
RAIN SHWRS    SC                                     IS SC SC
TSTMS                                                      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