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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Thu May 7 2026

VAZ046-080800-
RAWS 441101
37.39N  78.80W Elev. 804 ft
401 PM EDT Thu May 7 2026

Date           05/07/26      Fri 05/08/26            Sat 05/09/26            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                 42          71          50          76          53
TEMP          58 56 51 48 43 47 63 68 70 64 56 52 50 53 66 73 76 71 61 57 53 58
DEWPT         50 50 48 42 38 40 39 40 41 43 43 43 43 46 52 53 53 54 53 53 51 53
MIN/MAX RH                   90          34          78          44          93
RH            75 80 89 80 82 76 41 36 35 46 62 71 77 77 61 49 45 55 75 86 93 83
WIND DIR       E SW  W NW NW  W SW SW SW  S  S  S  S SW SW SW SW SW SW SW  W  W
WIND SPD       3  2  3  4  3  2  4  8  9  6  6  5  6  8 11 13 11  5  4  4  3  3
WIND GUST                                17 17 16    18 21 24                  
CLOUDS        B1 SC FW FW FW FW CL CL CL FW SC SC FW B2 B1 SC FW FW FW SC SC SC
CLOUDS(%)     58 48 17 12 18 16  3  3  3  7 35 41 23 75 53 37 10 18 13 31 32 31
VSBY          10 10  9 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10  7      
POP 12HR                      0           0           0           5           0
MIX HGT        2 <1 <1 <1 <1 <1  4  7  7 <1 <1 <1 <1  1  3  6  7 <1            
T WIND DIR    NE SW  W  W  W SW SW SW SW  S  S  S  S  S  S SW  W  W            
T WIND SPD     3  6  4  3  2  1  8 13 13  6  6  6  5 14 19 20 19  8            
DISPERSION       VP VP VP VP             PR PR PR PR             PR VP VP VP   
ADI           10  3  2  2  1  1 45106104  3  3  3  3 25 46 92 92  4            
MAX LVORI      3  3  5  4  5  4  1  1  1  2  3  3  5  3  1  1  1  3            
STABILITY      B  G  F  F  G  A  A  B  B  F  F  F  F  C  D  C  C  F            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            29.22 29.29 29.31 29.23 29.22 29.15 29.12 29.08            


Date           05/10Mon 05/11/26Tue 05/12/26Wed 05/13/26Thu 05/14/26
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       82      54      69      44      71      49      73      51      74
TEMP          80 74 61 56 64 62 47 48 68 64 54 53 70 67 56 54 72 68
DEWPT         53 55 55 52 50 45 40 39 38 41 41 44 50 52 51 51 52 51
RH            39 51 81 86 60 54 76 71 33 43 61 71 49 59 83 90 49 54
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC B1 B1 B2 B1 SC FW FW FW B1 B1 B1 B1 B1 SC SC SC
POP 12HR           10      50      60       5       0      10      40      30      20
RAIN SHWRS          SC SC NM IS                   IS SC SC IS IS   
TSTMS               IS       IS                      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