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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1031 PM EDT Mon Apr 27 2026

VAZ046-280800-
RAWS 441101
37.39N  78.80W Elev. 804 ft
1031 PM EDT Mon Apr 27 2026

Date           04/27/26      Tue 04/28/26            Wed 04/29/26            Thu
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                 46          66          51          70          50
TEMP                53 49 46 48 57 61 66 63 57 54 52 55 64 67 68 66 61 57 52 50
DEWPT               42 41 41 40 43 47 50 52 52 51 51 53 58 60 62 60 57 51 47 45
MIN/MAX RH                   84          57          99          79          85
RH                  66 74 83 74 59 60 56 67 83 90 96 93 81 78 81 81 87 80 83 83
WIND DIR            SE  S  S SW  S  S SW  S  S  S  S  S  S  S  S SW  W  W NW NW
WIND SPD             4  3  3  2  5  6  5  3  2  2  2  3  5  8  9  6  6  8  8  9
WIND GUST                                                           17       19
CLOUDS              CL SC B2 B1 B2 B2 B1 B1 SC B1 B2 B2 OV OV OV B1 B1 SC SC FW
CLOUDS(%)            0 29 70 63 78 85 62 58 46 57 70 84 90100100 61 61 30 27 17
VSBY                10 10 10 10 10 10 10 10 10  5  6 10  3  3  3 10 10 10 10 10
POP 12HR                      5          60          30         100          40
RAIN SHWRS                   IS NM SC    IS    SC SC  O  O  O  O SC SC         
TSTMS                                                      SC SC               
MIX HGT             <1 <1 <1 <1  2  3  3 <1 <1 <1 <1 <1  2  2  2 <1            
T WIND DIR          SE  S  S  S  S  S  S  S NE NE  E  S  S  S  S  S            
T WIND SPD          11 12  3 13  6 12  9  6  1  1  1  4 11 14 13 10            
DISPERSION          VP VP VP             VP VP VP VP             PR PR PR PR   
ADI                  5  6  2 15 17 37 27  3  1  1  1  5 23 29 25  7            
MAX LVORI            3  3  5  4  2  1  2  3  6  6 10  7  3  3  3  4            
STABILITY            F  G  G  B  C  C  C  F  F  F  F  B  C  D  D  E            
CEILING                   13100  3700   900  None  1800  1200  1700  None      
STA PRES                  29.49 29.48 29.38 29.34 29.26 29.17 28.99            


Date           04/30Fri 05/01/26Sat 05/02/26Sun 05/03/26Mon 05/04/26
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       69      41      69      46      60      38      68      44      75
TEMP          66 60 47 46 67 62 51 47 57 55 46 43 65 62 49 49 73 67
DEWPT         37 34 35 37 38 40 41 41 41 38 35 34 34 37 37 41 43 43
RH            34 37 63 71 34 44 68 79 55 53 65 70 31 39 63 74 34 42
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW FW FW SC B1 B1 B1 B1 SC FW FW SC FW FW FW SC
POP 12HR           10       5      20      40      40      20       5       5      10
RAIN SHWRS                   IS SC SC 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