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

VAZ024-110800-
RAWS 441631
37.63N  79.51W Elev. 865 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                 60          87          61          92          64
TEMP                68 64 60 65 79 85 86 81 71 66 62 66 84 91 91 83 74 69 66 70
DEWPT               57 56 56 59 61 58 58 62 61 60 60 62 64 60 60 63 62 62 62 65
MIN/MAX RH                   88          38          95          34          89
RH                  68 75 87 81 54 40 39 53 71 81 93 87 51 36 36 51 66 78 87 84
WIND DIR             W NW NW  N NW SW SW  S  W NW NW NW  W  S  S  S  S  W NW  N
WIND SPD             1  1  1  1  1  2  2  2  1  1  1  1  1  2  3  2  1  1  1  0
CLOUDS              SC FW CL CL CL FW FW FW FW CL FW FW FW FW FW SC SC SC B1 SC
CLOUDS(%)           36 13  3  2  2  6  7 13 11  3  6  8 17 15 18 43 34 47 52 45
VSBY                10 10  9 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      0           0           0           5           5
MIX HGT             <1 <1 <1 <1  5  7  7 <1 <1 <1 <1 <1  4  7  7 <1            
T WIND DIR          NW NW NW  N SW SW SW  S  W NW NW NW  W SW SW  S            
T WIND SPD           3  3  3  2  2  5  6  1  1  2  3  2  6  4  4  3            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  2  2  2  3 14 49 59  1  1  1  2  2 34 40 40  2            
MAX LVORI            3  4  6  4  2  1  1  2  4  5  7  6  1  1  1  2            
STABILITY            G  G  G  A  A  A  A  G  G  G  G  A  A  A  A  F            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            28.54 28.61 28.66 28.62 28.64 28.64 28.65 28.60            


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       93      67      91      68      88      67      87      67      90
TEMP          90 80 70 70 89 81 71 71 85 78 70 69 84 79 70 70 87 82
DEWPT         65 67 66 68 68 69 68 68 70 70 67 68 70 69 66 67 68 69
RH            44 65 87 93 50 67 90 90 61 76 90 97 63 72 87 90 53 65
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B1 B2 B1 B1 B1 SC
POP 12HR           20      10      50      40      60      50      60      40      50
RAIN SHWRS       IS          SC SC IS IS NM SC IS SC NM SC IS IS SC
TSTMS                        SC IS       IS SC       IS IS       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