National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
132 PM EDT Mon Jun 30 2025

NCZ019-302000-
RAWS 312001
36.23N  81.32W Elev. 2380 ft
132 PM EDT Mon Jun 30 2025

Date             Mon 06/30/25            Tue 07/01/25            Wed 07/02/25
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 84          68          81          67          83
TEMP                   83 81 76 72 70 69 71 78 78 75 72 69 68 68 69 77 80 80 75
DEWPT                  70 70 69 68 67 67 68 71 72 71 69 67 66 66 66 69 69 69 68
MAX/MIN RH                   66          93          79          95          68
RH                     65 69 79 87 90 93 90 79 82 87 90 93 93 93 90 76 69 69 79
WIND DIR                S  S SW SW SW SW SW  S SW  W  W  W NW NW NW  N  N  N  W
WIND SPD                5  4  3  2  2  1  1  2  4  3  2  2  1  1  2  2  2  2  2
CLOUDS                 B1 B1 B1 B1 SC SC SC B1 OV OV B2 B2 B2 B1 SC SC B1 B1 FW
CLOUDS(%)              68 59 58 52 40 26 38 57 90 89 85 73 75 59 47 45 55 55 24
VSBY                    6  6  5  7  4  4 10  7  1  3 10  9  5  5  6            
POP 12HR                     60          40          90          50          30
RAIN SHWRS             SC SC SC IS          SC  O NM SC SC       IS IS SC SC   
TSTMS                  SC SC SC             SC  O NM SC SC          IS SC SC   
Obvis                              PF PF                                       
MIX HGT                 5  4 <1 <1 <1 <1 <1  3  3  1 <1 <1 <1 <1 <1  3  4  5 <1
T WIND DIR              S  S  S SW SW  W SW SW SW SW SW  W NW  N SE  E  E  S SW
T WIND SPD             13 14 11  4  3  2  5 10 10 10  9  3  6  1  2  2  2  3  5
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                    58 54  5  2  2  1  6 42 35 15  4  2  3  1  2 10 12 19  3
MAX LVORI               1  1  4  6  7  7  6  3  3  4  6  7  8  8  6  4  3  3  4
STABILITY               C  C  F  F  G  G  A  B  C  B  F  F  F  F  A  A  B  B  G
CEILING                    3400  None  None  1900  2300  1700   700  None  None
STA PRES                  27.91 27.92 27.90 27.92 27.87 27.88 27.87 27.89 27.86


Date          Thu 07/03/25Fri 07/04/25Sat 07/05/25Sun 07/06/25
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       66      87      65      86      66      85      67      86
TEMP          67 68 82 77 68 68 83 77 68 69 83 77 69 69 83 77
DEWPT         63 63 63 64 61 62 65 66 63 64 67 67 64 65 68 68
RH            87 84 53 64 78 81 55 69 84 84 59 71 84 87 61 74
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW FW FW CL FW FW FW FW FW SC SC SC SC SC
POP 12HR            5       5       5      10       5      20       5      20
RAIN SHWRS                                     IS          IS
TSTMS                                          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