National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
803 PM EDT Tue Jun 10 2025

VAZ046-110800-
RAWS 441101
37.39N  78.80W Elev. 804 ft
803 PM EDT Tue Jun 10 2025

Date           06/10/25      Wed 06/11/25            Thu 06/12/25            Fri
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                 63          87          64          92          68
TEMP                70 67 63 69 80 85 86 80 72 68 66 71 85 90 89 82 74 71 69 73
DEWPT               63 61 59 61 61 61 60 64 63 63 63 66 66 63 63 65 64 65 65 69
MIN/MAX RH                   87          42          93          40          90
RH                  78 81 87 76 52 45 42 58 73 84 90 84 53 41 42 56 71 81 87 87
WIND DIR            SW  W NW  N NE SW  W  S  S SW SW  W SW SW  S  S  S SW SW SW
WIND SPD             3  2  2  3  3  3  3  2  2  2  2  2  3  4  5  3  3  4  3  3
CLOUDS              B1 FW FW FW CL FW FW FW CL FW FW CL FW FW FW SC SC SC B1 SC
CLOUDS(%)           67 23 12  6  0 11  8 14  5  6  9  3  9 14 14 38 31 37 54 44
VSBY                10 10  8 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      5           0           0           5           5
MIX HGT             <1 <1 <1 <1  4  7  7 <1 <1 <1 <1 <1  4  7  8 <1            
T WIND DIR           W  W  N  E  E SW SW  N SE SW  W SW SW SW SW  S            
T WIND SPD           2  2  2  9  2  4  5  0  1  3  2  2  6  4  5  8            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  1  1  1  9 13 39 50  0  1  2  1  2 34 40 53  4            
MAX LVORI            4  5  6  4  2  1  1  3  4  5  7  5  1  1  1  3            
STABILITY            F  G  G  A  A  A  A  G  G  G  G  A  A  A  A  G            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            29.32 29.39 29.45 29.40 29.42 29.42 29.44 29.38            


Date           06/13Sat 06/14/25Sun 06/15/25Mon 06/16/25Tue 06/17/25
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       92      70      90      70      87      68      86      68      88
TEMP          89 81 73 73 88 81 72 72 85 78 70 71 84 79 71 72 85 82
DEWPT         67 68 69 70 70 69 69 70 71 70 68 70 70 70 69 70 70 70
RH            48 65 87 90 55 67 90 93 63 76 93 97 63 74 93 93 61 67
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B1 B2 B1 B1 B1 SC
POP 12HR           20      20      40      40      60      50      60      40      50
RAIN SHWRS       IS IS       SC SC IS IS NM SC IS IS NM SC IS IS SC
TSTMS               IS       SC SC       IS SC          SC       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