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

VAZ024-010800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
801 PM EDT Thu Apr 30 2026

Date           04/30/26      Fri 05/01/26            Sat 05/02/26            Sun
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                 41          69          46          65          38
TEMP                50 45 42 46 59 66 69 65 54 49 46 47 56 61 64 58 49 43 39 42
DEWPT               34 34 35 36 36 35 37 39 40 40 39 38 39 38 37 36 35 33 32 32
MIN/MAX RH                   76          30          77          37          75
RH                  54 65 76 68 42 32 31 38 59 71 76 71 53 42 37 44 58 67 76 67
WIND DIR            NW NW  N  N  S  S SW NW NW NW  N  N  N  N NW NW NW NW NW NW
WIND SPD             3  2  1  1  4  8 10  3  2  2  2  2  2  3  4  3  2  2  2  3
WIND GUST                                13                      13 12         
CLOUDS              FW SC B1 SC FW FW SC B1 B2 B2 B2 OV B2 OV B2 B1 B1 FW FW FW
CLOUDS(%)           14 50 61 47 21 11 38 65 79 75 83 89 87 90 72 57 51 25 16  6
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      0          10          20          40          30
RAIN SHWRS                                     IS IS SC SC SC SC SC SC         
MIX HGT             <1 <1 <1  1  4  7  8 <1 <1 <1 <1  2  4  6  6  1            
T WIND DIR          NW NW NW NW  S SW SW  S  N NW  N  N NW NW NW NW            
T WIND SPD           6  3  3  1  4 11 13  4 13 11 10  8  9  4  8  4            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  3  2  2  2 25 91123  2  6  5  5 17 45 32 37  2            
MAX LVORI            3  3  4  3  2  1  1  2  3  3  4  3  1  1  1  2            
STABILITY            G  F  F  A  A  A  A  F  F  F  F  B  B  B  C  F            
CEILING              None  None  None  None  7700  6500  1900  3500  None      
STA PRES            28.45 28.47 28.47 28.38 28.45 28.48 28.47 28.38            


Date           05/03Mon 05/04/26Tue 05/05/26Wed 05/06/26Thu 05/07/26
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       66      39      78      49      82      56      79      55      76
TEMP          63 59 43 44 73 70 55 52 79 74 62 59 74 72 61 56 72 65
DEWPT         30 31 32 35 42 45 45 47 47 46 48 53 56 55 53 52 50 42
RH            29 34 65 70 33 41 69 83 32 37 60 80 53 55 75 86 46 43
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW CL CL FW FW SC FW FW FW SC SC B1 B1 B1 B1 B1 B1 B1
POP 12HR            5       5      10       5      10      20      50      50      50
RAIN SHWRS                                     IS SC SC SC SC SC SC
TSTMS                                                IS IS       SC

$$


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