OTD IN 2011: MORE THAN HALF A DOZEN TORNADOES STRIKE CENTRAL MD DURING HISTORIC US TORNADO OUTBREAK

On this day in 2011, a historic and deadly tornado outbreak swept across the southern and eastern states, spawning more than 200 tornadoes, and hundreds of fatalities. In Maryland, 7 tornadoes touched down in the central portion of the state.

Friendly:

...EF-0 TORNADO CONFIRMED IN FRIENDLY MARYLAND...

LOCATION...1 MI SOUTHEAST OF FRIENDLY IN PRINCE GEORGES COUNTY MD 
DATE...APRIL 27 2011
ESTIMATED TIME...7:06 PM TO 7:07 PM EDT
MAXIMUM EF-SCALE RATING...EF-0
MAXIMUM WIND SPEED...70 MPH 
MAXIMUM PATH WIDTH...75 YARDS 
LENGTH...0.4 MILES 
BEGINNING LAT/LON...38.746N / 76.959W
ENDING LAT/LON...38.750N / 76.954W
* FATALITIES...NONE
* INJURIES...NONE

* THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO 
CHANGE PENDING FINAL REVIEW OF THE EVENT/S/ AND PUBLICATION IN NWS 
STORM DATA.

...SUMMARY...

A BRIEF TORNADO OCCURRED AT POTOMAC AIRFIELD. SIX GENERAL AVIATION 
AIRCRAFT SUFFERED MINOR TO MAJOR DAMAGE. A CESSNA 182 HAD ITS TIE 
DOWN LINES SNAPPED AND THEN WAS TOSSED 120 FEET NORTHEAST ACROSS A 
TAXIWAY. A CESSNA 172 WAS LIFTED UP AND SMASHED NOSE FIRST INTO THE 
GROUND. A CESSNA 335 SKYMASTER WAS TOSSED ABOUT 25 FEET AND SMASHED 
ALONG THE GROUND. ALL THREE PLANES WERE DAMAGED EXTENSIVELY EVEN 
THOUGH ALL WERE SECURELY TIED DOWN. SEVERAL OTHER AIRCRAFT WERE 
MOVED AROUND BUT STAYED TIED DOWN AND SUFFERED LITTLE OR NO DAMAGE. 
THE TORNADO TRACKED CLOSE TO THE LONE AIRPORT RUNWAY 06-24. NO TREE 
DAMAGE WAS NOTED ON AIRPORT PROPERTY...AND NO DAMAGE OCCURRED TO 
NEARBY AIRPORT STRUCTURES...SOME OF WHICH WERE 100 FEET AWAY FROM 
THE DAMAGED AIRCRAFT. BASED ON EXAMINATION OF MULTIPLE RADAR DATA... 
PHOTOGRAPHIC EVIDENCE AND A POST-STORM SURVEY BY THE AIRPORT 
MANAGER...THE NATIONAL WEATHER SERVICE HAS CLASSIFIED THIS AS A 
TORNADO AND RATED IT AS EF-0. MAX WINDS WERE ESTIMATED AT 70 MPH 
WITH A WIDTH OF 75 YARDS AND PATH LENGTH OF 0.4 MILES. START AND END 
TIMES WERE BASED UPON RADAR DATA AND ARE CONSISTENT WITH SPOTTER 
REPORTED TIMES OF FUNNEL CLOUDS IN THE AREA.

Clinton:

No information is available from the storm survey conducted from the NWS, other than a note that considerable tree damage occured with a starting point near the intersection of Kirby Rd and Spruce Dr. The tornado was a weak EF0 with maximum winds of 70mph, was approximately 50 yards wide, and was on the ground for less than a mile.

Camp Springs:

...EF-0 TORNADO CONFIRMED NEAR CAMP SPRINGS MD...

LOCATION...ANDREWS AFB AND CAMP SPRINGS IN PRINCE GEORGES COUNTY MD
DATE...APRIL 27 2011 
ESTIMATED TIME...7:16 PM TO 7:17 PM EDT 
MAXIMUM EF-SCALE RATING...EF-0 
MAXIMUM WIND SPEED...70 MPH 
MAXIMUM PATH WIDTH...100 YARDS
LENGTH...0.8 MILES 
BEGINNING LAT/LON...38.810N / 76.902W 
ENDING LAT/LON...38.813N / 76.889W
* FATALITIES...NONE
* INJURIES...NONE

* THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO 
CHANGE PENDING FINAL REVIEW OF THE EVENT/S/ AND PUBLICATION IN NWS 
STORM DATA.

...SUMMARY...

A GROUND SURVEY CONDUCTED BY THE NATIONAL WEATHER SERVICE...TOGETHER 
WITH RADAR AND EYEWITNESS REPORTS DETERMINED THAT AN EF-0 TORNADO 
TRACKED BRIEFLY FROM A WOODED AREA JUST SOUTHWEST OF THE 
INTERSECTION OF AUTH ROAD AND ALLENTOWN ROAD ONTO ANDREWS AIR FORCE 
BASE. NUMEROUS TREES WERE UPROOTED AND SNAPPED. THE TORNADO ALSO 
PRODUCED SOME ROOFING AND SIDING DAMAGE.

Poolesville:

...EF-0 TORNADO CONFIRMED NEAR POOLESVILLE MARYLAND...

LOCATION...NORTH OF POOLESVILLE IN MONTGOMERY COUNTY MD
DATE...APRIL 28 2011
ESTIMATED TIME...6:45 AM TO 6:47 AM EDT
MAXIMUM EF-SCALE RATING...EF-0
MAXIMUM WIND SPEED...65 MPH
MAXIMUM PATH WIDTH...50 YARDS
LENGTH...0.8 MILES
BEGINNING LAT/LON...39.152N / 77.420W
ENDING LAT/LON...39.158N / 77.408W
* FATALITIES...NONE
* INJURIES...NONE

* THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO
CHANGE PENDING FINAL REVIEW OF THE EVENT/S/ AND PUBLICATION IN NWS
STORM DATA.

...SUMMARY...
A SHORT DAMAGE PATH NORTH OF POOLESVILLE MARYLAND WAS DETERMINED BY
NATIONAL WEATHER SERVICE GROUND SURVEY. SPOTTY TREE DAMAGE WAS
OBSERVED ALONG THE TRACK ON BEALLSVILLE ROAD...ELGIN ROAD AND
JERUSALEM ROAD. A TRAMPOLINE WAS LOFTED AND DEPOSITED ATOP A POWER
POLE...WITH ADJACENT DAMAGE TO A FENCE AND SMALL TREE.

Westminster:

...EF-0 TORNADO CONFIRMED IN WESTMINSTER MARYLAND...

LOCATION...WESTMINSTER IN CARROLL COUNTY MD
DATE...APRIL 28 2011
ESTIMATED TIME...7:37 AM TO 7:38 AM EDT 
MAXIMUM EF-SCALE RATING...EF-0 
MAXIMUM WIND SPEED...65 MPH 
MAXIMUM PATH WIDTH...50 YARDS 
LENGTH...0.6 MILES 
BEGINNING LAT/LON...39.568N / 76.988W 
ENDING LAT/LON...39.577N / 76.984W
* FATALITIES...NONE
* INJURIES...NONE

* THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO 
CHANGE PENDING FINAL REVIEW OF THE EVENT/S/ AND PUBLICATION IN NWS 
STORM DATA.

...SUMMARY...

A GROUND SURVEY CONDUCTED BY THE NATIONAL WEATHER SERVICE...TOGETHER 
WITH RADAR AND EYEWITNESS REPORTS DETERMINED THAT AN EF-0 TORNADO 
TRACKED ACROSS EASTERN PORTIONS OF WESTMINSTER. THE TORNADO UPROOTED 
AND SNAPPED SEVERAL TREES AND DOWNED LARGE BRANCHES. THE STORM 
TRACKED FROM NEAR OLD WESTMINSTER PIKE ACROSS RALPH AND CENTER 
STREETS BEFORE LIFTING AS IT CROSSED ROUTE 97.

Hereford:

...EF-0 TORNADO CONFIRMED NEAR HEREFORD MARYLAND...

LOCATION...NORTHERN BALTIMORE COUNTY...2 MILES WEST-NW OF HEREFORD
DATE...APRIL 28 2011
ESTIMATED TIME...9:54 AM TO 9:54 AM EDT
MAXIMUM EF-SCALE RATING...EF-0
MAXIMUM WIND SPEED...70 MPH
MAXIMUM PATH WIDTH...75 YARDS
LENGTH...0.1 MILES
BEGINNING LAT/LON...39.598N / 76.705W
ENDING LAT/LON...39.599N / 76.704W
* FATALITIES...NONE
* INJURIES...NONE

* THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO
CHANGE PENDING FINAL REVIEW OF THE EVENT/S/ AND PUBLICATION IN NWS
STORM DATA.

...SUMMARY...

BASED UPON RESULTS FROM AN AERIAL SURVEY CONDUCTED BY BALTIMORE
COUNTY...THE NATIONAL WEATHER SERVICE HAS DETERMINED AN EF-0
TORNADO TOUCHED DOWN BRIEFLY JUST NORTH OF EVNA ROAD IN A HEAVILY
WOODED AREA. DAMAGE WAS LIMITED TO TREES...NO STRUCTURES WERE
IMPACTED. THE TORNADO SNAPPED AND UPROOTED ABOUT TWO DOZEN TREES
AND DOWNED LARGE BRANCHES. THE TORNADO DAMAGE HAS BEEN RATED EF-0
WITH MAX WINDS OF 75 MPH...PATH WIDTH OF 75 YARDS AND WAS ON THE
GROUND FOR NO MORE THAN ONE MINUTE.

Hampstead:

...EF-0 TORNADO CONFIRMED NEAR HAMPSTEAD MARYLAND...

LOCATION...WESTERN BALTIMORE COUNTY...2 MILES EAST OF HAMPSTEAD
DATE...APRIL 28 2011 
ESTIMATED TIME...8:09 AM TO 8:11 AM EDT 
MAXIMUM EF-SCALE RATING...EF-0 
MAXIMUM WIND SPEED...65 MPH 
MAXIMUM PATH WIDTH...50 YARDS 
LENGTH...1.1 MILES 
BEGINNING LAT/LON...39.609N / 76.830W 
ENDING LAT/LON...39.614N / 76.810W
* FATALITIES...NONE
* INJURIES...NONE

* THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO 
CHANGE PENDING FINAL REVIEW OF THE EVENT/S/ AND PUBLICATION IN NWS 
STORM DATA.

...SUMMARY...

A GROUND SURVEY CONDUCTED BY THE NATIONAL WEATHER SERVICE...TOGETHER 
WITH RADAR AND EYEWITNESS REPORTS DETERMINED THAT AN EF-0 TORNADO 
TRACKED FROM NEAR THE CARROLL COUNTY LINE IN BALTIMORE COUNTY ALONG 
MT CARMEL ROAD FOR 1.1 MILES. THE TORNADO SNAPPED AND UPROOTED 
SEVERAL TREES AND DOWNED LARGE BRANCHES. THE STORM TRACKED ACROSS 
MARSHALL MILL ROAD.