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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
501 PM EDT Sun May 3 2026

VAZ046-040800-
RAWS 441101
37.39N  78.80W Elev. 804 ft
501 PM EDT Sun May 3 2026

Date           05/03/26      Mon 05/04/26            Tue 05/05/26            Wed
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                 42          76          55          82          61
TEMP             59 49 46 43 48 65 73 75 70 63 60 56 58 73 80 81 76 69 66 62 61
DEWPT            30 30 31 31 34 40 44 45 46 44 44 45 47 50 49 48 49 49 53 54 56
MIN/MAX RH                   64          34          69          31          83
RH               33 48 55 62 58 40 35 34 42 50 55 66 67 44 34 32 39 49 63 75 84
WIND DIR          W SW SW SW SW SW SW SW SW SW SW SW SW SW SW  S  S  S  S  S  S
WIND SPD          3  3  4  4  5  9 10 11  6  9 10 10 10 10 13 17 11 13 13 13 13
WIND GUST                          20    17 19 21 20    21 26 27 25 26 27 27 27
CLOUDS           CL FW SC SC SC SC SC FW SC SC SC SC FW FW SC SC B1 B1 B1 B2 OV
CLOUDS(%)         5  9 40 33 37 43 31 23 40 26 35 37 23 17 26 50 69 62 66 82 89
VSBY             10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      5          10           5           0          50
RAIN SHWRS                                                             SC SC NM
MIX HGT          <1 <1 <1 <1 <1  4  6  5 <1 <1 <1 <1  1  3  7  8 <1            
T WIND DIR       SW  S  S SW SW  W SW SW  S  S SW  S SW SW SW  S  S            
T WIND SPD        2  3  3  3  4 14 18 17  6  8  9  8 16 24 26 29 11            
DISPERSION       VP VP VP VP             PR PR FR FR             FR FR FR FR   
ADI               1  2  2  2  4 66129 74  3  5  6  5 21 98123147 10            
MAX LVORI         2  2  3  3  3  1  1  1  2  2  3  3  3  1  1  1  2            
STABILITY         G  G  F  F  A  B  B  C  F  E  E  E  B  B  C  C  D            
CEILING              None  None  None  None  None  None  None  None  4900      
STA PRES            29.31 29.32 29.30 29.22 29.22 29.25 29.26 29.17            


Date           05/06Thu 05/07/26Fri 05/08/26Sat 05/09/26Sun 05/10/26
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       77      55      64      41      69      49      71      47      75
TEMP          74 72 63 57 62 60 49 49 65 62 52 52 68 64 54 53 72 67
DEWPT         61 60 58 57 55 46 41 40 39 42 44 46 50 50 47 47 49 50
RH            64 66 84100 78 60 74 71 38 48 74 80 52 60 77 80 44 54
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 OV OV B2 SC FW FW FW SC SC B1 B1 SC FW FW FW
POP 12HR           70      80      80      20       5      20      40      20      10
RAIN SHWRS    NM NM NM  O  O NM IS             IS IS SC IS         
TSTMS            IS SC IS    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