National Weather Summary for Tuesday June 30, 2009
NATIONAL WEATHER SUMMARY:
In the East, a broad area of low pressure across southern Canada brought widespread showers and scattered thunderstorms from the Great Lakes to New England. Rainfall was generally light across the region but some areas of Vermont and New Hampshire picked up over an inch of rain during the day. Partly cloudy and dry weather was experienced Monday from the Mid Atlantic and Carolinas to the northern Gulf States. A slow moving cold front pushed south across the Gulf Coast region during the day resulting in strong to severe lines of thunderstorms during the afternoon hours. Strong
thunderstorm winds caused damage to roofs, power lines as well as
several trees in northern Florida and far southeastern Georgia.
Unfortunately two people died when a tree fell onto a car near
In the nation's midsection, it was another day of stifling heat across the Deep South. Several new records were established from eastern Texas to southern Louisiana, some of the records include:
Corpus Christi, Texas (99); Lafayette, La. (101); Houston
Intercontinental, Texas (103); San Antonio, Texas (104); and
Austin, Texas (105). Thunderstorms finally brought some relief to
southern Louisiana and bordering areas of eastern Texas late in the
day along a cold front. Some minor tree damage along with power
outages were reported with a storm that went through the Lake
Charles, La. area. Clusters of non-severe thunderstorms were common
through western Texas during the day with heavy rain in areas.
Other thunderstorms produced nickel size hail over western portions
of South Dakota and Nebraska on Monday afternoon. Mostly cloudy and
cool conditions were in place across the Upper Midwest with a few
showers over Upper Michigan and Wisconsin.
Across the West, showers and thunderstorms became common over eastern Arizona, New Mexico and eastern Colorado during the afternoon hours. Other storms affected portions of northeast Idaho, southern Montana and northern Wyoming with a few reports of small hail. The remainder of the west was mostly dry with high pressure in place. Very hot weather continued across the southwestern deserts and valleys. A few high temperatures were broken in California including: Stockton (105); Marysville (108); and Modesto (109).
WEATHER EXTREMES SO FAR TODAY:
HIGHEST TEMPERATURE (DEGREES F)............121 Death Valley,
HIGHEST HEAT INDEX (DEGREES F).............121 Death Valley,
LOWEST TEMPERATURE (DEGREES F)..............33 Old Faithful,
LOWEST WIND CHILL (DEGREES F)...............34 Old Faithful,
HIGHEST WIND GUST (MPH).....................56 Lake Charles, La.
HIGHEST PRECIPITATION (INCHES)............2.87 Tallahassee, Fla.
ON THIS DATE IN HISTORY:
In 1968, it would be another cloudy day in Sault Ste. Marie,
Mich. for this last day of June. In fact, not one clear day was observed during the entire month.
In 1989, Tropical Storm Allison brought heavy, flooding rains to much of Louisiana with reports of over 20 inches in a 3-day period in some locations. This rain completed a record wet June in many
areas of the south including Shreveport at 17.11 inches for the
In 1994, Tropical Storm Alberto moved inland near Panama City, Fla. causing very little damage. As the storm stalled over Georgia,
heavy rain resulted in extensive flooding which caused 30,000
people to evacuate their homes.
Filed by: DTN/Meteorlogix