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Thursday June 11, 2009 at 9:58 am
Soggy Spring Continues; More Storms Today
posted by Chris Naille: Meteorologist


Our active and damp weather pattern continues today as an area of low pressure pushes into the region bringing with it another round of showers and storms.  The atmospheric set up is once again conducive for some storms to be strong to severe.  The main threats will once again be heavy rain, gusty winds, frequent lighting, and hail.  Recent rains have made the ground saturated and with more heavy rain expected most of the region will be under a Flash Flood Watch later this afternoon.   The exceptions will be over St. Marys and Calvert county where the soil make up and flatter terrain can accept heavy rain better.
 
This system will begin to pull away by Friday afternoon with improvements as we head into the weekend.  Saturday is still my pick of the weekend for outdoor plans as partly cloudy skies will be overhead with warm daytime highs in the mid 80's.
 
Sunday will bring a return of a few showers and storms by the afternoon as our next weather feature approaches
 
~ Meteorologist Chris Naille
FYI... The National Weather Service confirmed an EF-0 Tornado from June 9th in Dundalk, MD.  Below is the public information statement if your interested.
------------------------------------------------------------------------------------------------------------------------------
 
THE BALTIMORE/WASHINGTON WEATHER FORECAST OFFICE OF THE
NATIONAL WEATHER SERVICE CONDUCTED A SURVEY OF STORM DAMAGE THAT
OCCURRED ON JUNE 9TH IN DUNDALK MARYLAND IN BALTIMORE COUNTY. THE
SURVEY WAS CONDUCTED IN CONCERT WITH BALTIMORE COUNTY OFFICE OF
HOMELAND SECURITY AND EMERGENCY MANAGEMENT.

THE FOLLOWING WAS DETERMINED THROUGH A DAMAGE SURVEY...EXAMINATION
OF RADAR AND EYEWITNESS INTERVIEWS.

BASED ON ALL EVIDENCE THE DAMAGE WAS CONSISTENT WITH A BRIEF SMALL
TORNADO RATED EF-0 ON THE ENHANCED FUJITA SCALE...WITH PEAK WINDS
ESTIMATED AT 70 MPH. PATH LENGTH WAS ONE MILE...WITH A MAX WIDTH OF
150 YARDS. INITIAL TIME OF TOUCHDOWN WAS 5:21 PM EDT...AND WAS ON
THE GROUND FOR ABOUT ONE MINUTE.

NO INJURIES WERE REPORTED.

NO DAMAGE COST ESTIMATE WAS AVAILABLE AT THIS TIME.

EVIDENCE OF THE TORNADO WAS FIRST NOTED ALONG THE NORTHERN EDGE OF
OAK LAWN CEMETERY AND THE ADJOINING EASTPOINT NEIGHBORHOOD NORTH OF
THE CEMETERY...DUE MAINLY TO TREES SNAPPED OR UPROOTED. MORE DAMAGE
WAS NOTED ALONG BREAD AND CHEESE CREEK FROM CARSON AVENUE EAST TO
PLAINFIELD RD. THE TORNADO PRODUCED STRUCTURE DAMAGE TO 3 TOWNHOUSES
ON BERKSHIRE LANE...WHERE PORTIONS OF THEIR FLAT TAR-PITCH ROOF WERE
REMOVED...A TREE FELL ON ANOTHER TOWNHOUSE ON BERKSHIRE...AND A
NEARBY CAR DEALERSHIP LOST A PORTION OF ITS CANVASS ROOF COVERING.
THE MOST CONCENTRATED DAMAGE WAS OBSERVED FROM THE BERKSHIRE RD
AREA...ACROSS MERRITT BLVD TO PLAINFIELD RD...WHERE MULTIPLE TREES
WERE SNAPPED AND/OR UP-ROOTED...WITH ONE TREE FALLING ON A HOUSE.
THE TORNADO APPEARED TO WEAKEN QUICKLY AS IT MOVED FURTHER EAST
THROUGH THE GRAY MANOR NEIGHBORHOOD...AND NO DAMAGE WAS OBSERVED
EAST OF WOODWELL RD.

EYEWITNESS ACCOUNTS AND EXAMINATION OF RADAR DATA SUGGEST THE
TORNADO BEGAN AS A GUSTNADO...A SPIN-UP CIRCULATION THAT FORMS ON
THE LEADING EDGE OF A THUNDERSTORM GUST FRONT. IT QUICKLY
TRANSFORMED INTO A MORE TRADITIONAL TORNADO...DEVELOPING AS A NEW
THUNDERSTORM UPDRAFT OVERRAN THE ORIGINAL GUST FRONT AND BECAME
COLLOCATED OVER THE ORIGINAL GUSTNADO. EYEWITNESSES REPORTED SEEING
DEBRIS...TREE LIMBS AND ROOFING MATERIAL...BEING LIFTED UPWARDS INTO
THE TORNADO CIRCULATION. ONE EYEWITNESS ON PLAINFIELD RD DESCRIBED
THE SOUND OF A FREIGHT TRAIN AS THE TORNADO PASSED OVER HIS HOUSE.

THE WEATHER SERVICE EXTENDS THANKS TO BALTIMORE COUNTY EMERGENCY
MANAGEMENT OFFICIALS...AND TO SOME MEMBERS OF LOCAL MEDIA WHO
ASSISTED IN POINTING OUT LOCATIONS OF DAMAGE IN DUNDALK.

$$
STEVE ZUBRICK
SCIENCE AND OPERATIONS OFFICER
NATIONAL WEATHER SERVICE
BALTIMORE/WASHINGTON FORECAST OFFICE
STERLING VIRGINIA
 

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  {ts '2009-10-14 10:39:21'}