National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1102 PM EDT Sat Jun 14 2025

NCZ003-150800-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
1102 PM EDT Sat Jun 14 2025

Date           06/14/25      Sun 06/15/25            Mon 06/16/25            Tue
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                 70          80          67          81          67
TEMP                   71 70 71 75 79 78 75 70 69 69 69 74 78 78 74 70 69 67 69
DEWPT                  68 68 68 70 70 70 71 70 69 68 69 70 72 72 71 70 69 67 69
MIN/MAX RH                   93          73         100          80         100
RH                     90 93 90 84 74 76 87100100 97100 87 82 82 90100100100100
WIND DIR                S  S  S  S  S SW SW SE NE NE NE SE  S  W NE NE NE SE SW
WIND SPD                1  1  1  2  4  3  3  3  2  2  2  2  3  3  2  2  2  2  2
CLOUDS                 B1 B2 B2 B2 B1 OV B2 B2 B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2
CLOUDS(%)              64 75 82 79 69100 75 78 78 77 75 74 95 95 84 81 81 82 81
VSBY                    9  7  8 10 10  8 10  9  4 10                           
POP 12HR                     50          80          60          90          50
RAIN SHWRS                      SC SC  O NM NM       SC SC  O  O SC SC       IS
TSTMS                              SC NM SC IS          IS NM NM SC IS         
MIX HGT                <1 <1 <1  2  3  2 <1 <1 <1 <1 <1  2  3  2 <1            
T WIND DIR              W  W SW  S  S SW  S SW NE NE  E  S SW SW NW            
T WIND SPD              2  2  2  4 13 14  8  5  3  3  3  3  8  4  3            
DISPERSION             VP VP             VP VP VP VP             VP VP VP VP   
ADI                     1  1  2 12 46 28  4  3  2  2  4  9 31  9  2            
MAX LVORI               8  8  8  4  3  3  6  9 10  8  9  5  3  4  7            
STABILITY               F  F  B  B  C  D  F  F  F  F  B  B  B  B  F            
CEILING                    2800   500  1200  2700  3600  1100  1700  2000      
STA PRES                  28.99 28.99 28.95 28.95 28.96 28.96 28.92            


Date           06/17Wed 06/18/25Thu 06/19/25Fri 06/20/25Sat 06/21/25
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       85      69      88      69      88      67      86      64      88
TEMP          81 78 71 72 84 80 71 72 85 78 69 70 83 80 67 69 85 82
DEWPT         72 72 69 70 71 71 69 69 71 70 66 67 65 66 63 64 66 68
RH            74 82 93 93 65 74 93 90 63 76 90 90 55 62 87 84 53 63
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 OV B1 B1 SC B1 B1 SC SC B2 B1 FW FW SC SC FW FW SC
POP 12HR           80      30      50      10      60      20      20       5      20
RAIN SHWRS    IS  O SC       SC          NM IS       IS          IS
TSTMS            NM SC       SC          SC 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