AIR QUALITY WEATHER SUMMARY
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
957 AM EDT FRI AUG 29 2008
 
***The following information provided is general weather forecast
information as it relates to expected areas of degraded air
quality but is not intended to supersede site-specific forecasts
or local alerts and advisories. This especially applies to the
proximity of wildfires where localized weather conditions are
often extreme and very erratic.***

NORTHEAST/MID-ATLANTIC STATES...
A MID LATITUDE TROUGH OVER THE EASTERN GREAT LAKES WILL SWEEP
ACROSS THE REGION. OVER THE WEEKEND...THE TREND WILL BE FOR
DECREASING CLOUDINESS WITH TEMPERATURES IN THE 70S. WINDS WILL
GENERALLY BE SOUTHWEST AT 5 TO 10 MPH. VENTILATION INDICES WILL BE
TRENDING HIGHER.

LOWER MISSISSIPPI VALLEY/SOUTHEAST...
A WEAK RIDGE OF HIGH PRESSURE WILL KEEP SKIES PARTLY CLOUDY.
SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED WITH THE SEA
BREEZE OVER MUCH OF THE GULF COAST. 
TEMPERATURES REGION WIDE WILL BE IN THE UPPER 80S TO LOWER 90S
WITH WINDS GENERALLY OUT OF THE EAST AND SOUTHEAST AT 5 TO 10 MPH.
VENTILATION INDICES WILL BE HIGH.

MIDDLE MISSISSIPPI VALLEY...
WEAK HIGH PRESSURE WILL REMAIN IN PLACE OVER THE WEEKEND. LIGHT
WINDS...VARIABLE CLOUDINESS AND TEMPERATURES GENERALLY IN THE MID
80S TO LOWER 90S SHOULD CREATE LOW VENTILATION INDICES ACROSS
PORTIONS OF MISSOURI...ARKANSAS...ILLINOIS AND IOWA. 

SOUTHERN PLAINS...
SKIES WILL BE PARTLY CLOUDY EXCEPT ACROSS TEXAS WHERE MOISTURE
FROM THE REMNANTS OF JULIO WILL BRING SCATTERED THUNDERSTORMS.
OVER THE WEEKEND...TEMPERATURES EXPECTED TO BE IN THE MID 80S TO
AROUND 90 WITH SOUTH WINDS AT 5 TO 15 MPH.
VENTILATION INDICES WILL BE TRENDING HIGHER.

LOWER ELEVATIONS OF THE INTERIOR WEST...
SKIES WILL BE SUNNY UNDER HIGH PRESSURE RIDGE EXCEPT FOR SCATTERED
THUNDERSTORMS ACROSS SOUTHERN ARIZONA FROM REMNANTS OF JULIO.
TEMPERATURES ARE EXPETCED TO BE IN THE 90S ACROSS THE GREAT BASIN
AND WILLAMETTE VALLEY WITH 100+ DEGREE READINGS ACROSS THE SONORAN
DESERT AND CENTRAL VALLEY OF CALIFORNIA.  WINDS WILL BE GENERALLY
OUT OF THE SOUTH AT 5 TO 10 MPH.  VENTILATION INDICES WILL BE FAIR
ACROSS NORTHERN NEVADA AND GOOD ELSEWHERE.

VOJTESAK