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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1201 PM EDT Mon Apr 27 2026

VAZ046-272000-
RAWS 441101
37.39N  78.80W Elev. 804 ft
1201 PM EDT Mon Apr 27 2026

Date             Mon 04/27/26            Tue 04/28/26            Wed 04/29/26
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          42          67          52          73
TEMP                   68 70 63 53 47 43 47 57 63 66 63 57 55 52 55 65 69 72 68
DEWPT                  41 41 42 42 41 40 41 45 48 50 52 52 51 51 53 58 61 61 60
MAX/MIN RH                   35          89          56          98          70
RH                     37 35 46 66 79 89 79 64 58 56 67 83 86 96 93 78 76 68 76
WIND DIR                E  E  E SE SE  S SW  S  S SW  S  S  S  S  S  S  S  S SW
WIND SPD                6  6  4  4  3  2  2  5  6  5  3  3  2  2  3  5  9  9  8
WIND GUST                                                                    18
CLOUDS                 FW FW SC FW SC SC B1 B2 OV B1 B1 SC B1 B1 B2 B2 OV OV B1
CLOUDS(%)               6  9 29 24 34 32 64 73 91 68 58 34 58 67 78 86 98 98 66
VSBY                   10 10 10 10 10 10 10  9 10 10 10 10  9                  
POP 12HR                      0           0          60          20         100
RAIN SHWRS                               IS NM SC    IS    IS IS NM NM  O  O SC
TSTMS                                                                  SC SC   
MIX HGT                 4  4 <1 <1 <1 <1 <1  2  3  3 <1 <1 <1 <1 <1  1  2  2 <1
T WIND DIR              E  E  E SE SE  S  S SE  S SW SW SE  S  S  S SE  S SW NW
T WIND SPD              9  9  4  6  3  3 10  6 12 17 10  2  2  5 10  9  9 11  3
DISPERSION                   VP VP VP VP             VP VP VP VP             PR
ADI                    48 47  2  3  2  2 11 15 38 60  5  1  1  3 11 17 25 28  3
MAX LVORI               1  1  2  3  5  7  4  2  1  1  3  5  7  8  5  3  3  3  4
STABILITY               B  B  F  F  G  F  B  C  C  C  G  G  F  F  B  C  C  C  D
CEILING                    None  None  None  4500  1200  None  1800   500   500
STA PRES                  29.50 29.53 29.49 29.51 29.39 29.34 29.24 29.10 28.95


Date          Thu 04/30/26Fri 05/01/26Sat 05/02/26Sun 05/03/26
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       51      69      41      68      42      65      38      68
TEMP          57 52 66 62 46 45 66 62 49 46 62 58 45 43 65 62
DEWPT         52 47 38 34 34 34 36 36 37 38 36 35 32 34 34 35
RH            83 83 36 35 63 65 33 38 63 73 38 42 60 70 31 36
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 FW FW FW FW FW FW SC SC B1 B1 SC FW FW FW SC
POP 12HR           50      10       5      20      30      30      10       5
RAIN SHWRS    SC                   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