We also discuss planned upgrades to the national network of Doppler weather-surveillance radars (e.g., azimuthal sampling of radar data will be two times more frequent dual polarization), which will provide additional and better data for researchers to use for the discrimination of different types of targets in the aerosphere. With the deployment of Doppler weather radar, data on the radial velocity of targets became available, and in this article, we demonstrate that it can be used in conjunction with information on winds aloft to discriminate types of reflectors based on their speed of movement. This is particularly true for weather-surveillance radars, because they have relatively long pulse lengths (greater sensitivity) and beam widths of 1°–2.5°. As pulse volumes increase, more and different types of targets (reflectors) are detected in a single pulse volume, and identifying the types of targets in the pulse volume can be a challenge. The pulse- or resolution-volume of the radar is the basic sampling volume of a radar, and it is determined by pulse length (pulse duration) and widths of the horizontal and vertical dimensions of the beam. The continent-wide network of weather-surveillance and airport-surveillance radars in the United States can be used to detect and monitor organisms in the aerosphere at even greater spatial scales. 1973), and insects (Schaefer 1969) in the atmosphere during both day and night at spatial scales ranging from 1–10 km (for small tracking or marine radars) to 10–200 km (for single weather-surveillance and airport-surveillance radars). Since that time radar has proven to be a useful tool for the detection, monitoring, and quantification of the movements of birds (Eastwood 1967 Gauthreaux 1970 Vaughn 1985), bats (Williams et al. (Baltimore/Washington D.C.Over 60 years ago birds were found to be responsible for some of the puzzling radar echoes dubbed “angels” by the British (Lack and Varley 1945 Buss 1946) and the first confirmation that insects were the source of some echoes on radar displays was published a few years later (Crawford 1949). WIND - TREE DOWN NEAR RUDDLE PARK OFF OF HWY 220. WEST VIRGINIA - PENDLETON COUNTY - 2 MILES NORTH-NORTHEAST OF RUDDLE NUMEROUS REPORTS OF DOWNED BRANCHES AND (Portland, ME) LARGE BRANCHES DOWN ACROSS A STRETCH OF DRACUT ROAD IN SOUTHERN HUDSON. WIND - CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 4 SSE HUDSON.
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WIND - TREE DOWN ON HIGH TENSION WIRES ON BILLINGS STREET. MASSACHUSETTS - MIDDLESEX COUNTY - 1 MILE SOUTHWEST OF DRACUT WIND - LARGE TREE DOWN BLOCKING PORTION OF MERRIMACK AVE PER P.D. MASSACHUSETTS - MIDDLESEX COUNTY - 2 MILES EAST-SOUTHEAST OF DRACUT ESTIMATED 1 FOOT IN DIAMETER DOWN ACROSS HILDRETH STREET.
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MASSACHUSETTS - MIDDLESEX COUNTY - 1 MILE WEST-NORTHWEST OF DRACUT VIRGINIA - ACCOMACK COUNTY - 1 MILE EAST-SOUTHEAST OF ATLANTIC WIND - LARGE BRANCH DOWN ON MASSACHUSETTS AVE NEAR KELLY CORNER. MASSACHUSETTS - MIDDLESEX COUNTY - 1 MILE SOUTHEAST OF ACTON WIND - TREE DOWN AT 100 BLOCK OF MAIN STREET AND 700 BLOCK OF MAIN STREET. MASSACHUSETTS - MIDDLESEX COUNTY - CONCORD WIND - LARGE LIMB DOWN AT MIDDLE ROAD AND DEPOT ROAD. MASSACHUSETTS - MIDDLESEX COUNTY - 1 MILE SOUTHWEST OF BOXBOROUGH WIND - *** 1 INJ *** REPORTS OF DAMAGE ON EAST SIDE OF LONGVIEW INCLUDING TREE FALLING ON VEHICLE WITH ONE INJURY REPORTED ON AUDREY STREET DAMAGE REPORTED TO SOUTHERN AUTO P (Shreveport, LO) WIND - TREES DOWN NEAR 288 EAST OF MANAKIN. VIRGINIA - GOOCHLAND COUNTY - 2 MILES EAST OF MANAKIN WIND - TREE DOWN NEAR THE 100 BLOCK OF OLD CHURCH RD. VIRGINIA - PRINCE WILLIAM COUNTY - 2 MILES NORTHEAST OF ADEN WIND - TREE DOWN BLOCKING THE SOUTHBOUND LANE OF CANTON AVE BY DOLLAR LANE.
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MASSACHUSETTS - NORFOLK COUNTY - 2 MILES WEST-SOUTHWEST OF MILTON VIRGINIA - ACCOMACK COUNTY - 4 MILES SOUTHEAST OF PARKSLEY MASSACHUSETTS - NORFOLK COUNTY - 1 MILE SOUTH-SOUTHEAST OF MATTAPAN MASSACHUSETTS - MIDDLESEX COUNTY - WALTHAM WIND - TREE LIMB AND WIRES DOWN IN FRONT YARD OF HOME ON WILLOW STREET. MASSACHUSETTS - NORFOLK COUNTY - 1 MILE SOUTHWEST OF WESTWOOD MARYLAND - WICOMICO COUNTY - 3 MILES SOUTH OF DELMAR WIND - MULTIPLE TREE BRANCHES DOWN AT ADAMS STREET AT HILLSDALE. MASSACHUSETTS - SUFFOLK COUNTY - 1 MILE SOUTH-SOUTHEAST OF BOSTON
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WIND - 911 CALL CENTER REPORTS TREE LIMBS DOWN ON EAST GROVE STREET IN DELMAR. NUMEROUS REPORTS OF DOWNED BRANCHES AND A FEW TREES ACROSS TOWN. WIND - LARGE BRANCHES DOWN ACROSS A STRETCH OF DRACUT ROAD IN SOUTHERN HUDSON. NEW HAMPSHIRE - HILLSBOROUGH COUNTY - 4 MILES SOUTH-SOUTHEAST OF HUDSON WIND - LARGE OAK TREE DOWN ON SEMMES AVE BLOCKING THE ROAD. VIRGINIA - CITY OF RICHMOND COUNTY - 1 MILE SOUTH-SOUTHWEST OF DOWNTOWN RICHMOND WIND - TREES AND POWER LINES DOWN ON HOLLY ST. 24 reports sorted by the latest reports first