Maris 1969 Nor'Easter

Binciken yanayi na guguwar lokacin da yake kusa da ƙarfinta a safiyar Maris 8, 1969

Maris 1969 Nor'Easter wani guguwa ne na extratropical wanda ya cikin Gulf of Mexico a ranar 5 ga Maris, yana motsawa ta kudancin Georgia, sannan ya zurfafa yayin da yake motsawa tare da ƙananan Gabashin Gabas, kafin ya motsa New England da Atlantic Canada. Babban dusar ƙanƙara ya faɗi a gabashin Maryland, kudancin Delaware, da Martha's Vineyard a Massachusetts. Tsarin yana da ƙarfi, tare da matsakaicin iska mai ɗorewa na 80 knots (150 km/h) km / h) matsin lamba na tsakiya kusa da 950 hectopascals (28 inHg) yayin da yake kudu da Atlantic Canada. Tsarin ya koma cikin arewacin Tekun Atlantika yayin da ya rabu zuwa yankuna biyu a ranar 10 ga Maris.

A ƙarshen Maris 5, guguwar gaba ta Galveston, Texas. Tsarin ya motsa tare da gabar tekun Gulf a ranar 6 ga Maris. Iska mai karfi ta kasance a bayan layin guguwa a ranar 6 ga watan Maris. Guguwar ta motsa tare da iyakar Florida-Georgia tare da matsin lamba na tsakiya zuwa 995.0 hectopascals (29.38 inHg) . Rashin ya bi Gabashin Gabas daga marigayi a ranar 6 zuwa safiyar ranar 7 yayin da yake ƙarfafawa da sauri, tare da matsin lamba na tsakiya ya fadi zuwa 969.0 hectopascals (28.61 inHg) , sannan tare da iskar guguwa a bakin tekun Cape Charles, Virginia. Guguwar ta bi diddigin bakin tekun New England. Da safe na 8th, matsin lamba na tsakiya ya fadi zuwa 950.0 hectopascals (28.05 inHg) yayin da tsarin ya haɓaka matsakaicin iska mai ɗorewa na 80 knots (150 km/h) km / h) kudu da Newfoundland. A cikin rana, guguwar ta shawo kan guguwa mai karfi a baya a arewacinsa kusa da Tsibirin Anticosti. Tsarin ya raunana a hankali yayin da yake motsawa a hankali zuwa arewa maso gabashin gabashin Newfoundland a ranar 9 da 10, yana rasa iskar guguwa a ranar 9. Tsarin ya rabu zuwa cibiyoyin matsin lamba guda biyu a ranar 10 yayin da yake kusantar kudancin Greenland.

Tasirin

Layin guguwar guguwar ya yammacin Florida tsakanin 4:30 da 6:00 na yamma a ranar 6 ga watan Maris. Iska ta tashi zuwa tsakanin mil 45 a kowace awa (72 km / h) da mil 60 a kowace awa (97 km / h). Ruwan sama ya tashi zuwa tsakanin 3 feet (0.91 m) da 4 feet (1.2 m) sama da yadda aka saba. Lalacewar da aka haifar ta kasance tsakanin $ 50,000 da $ 500,000. Wani dusar ƙanƙara mai laushi ya fadi a fadin Gabashin Maryland da kudancin rabin Delaware daga marigayi 6 ga Maris zuwa Maris 7, har zuwa zurfin inci 7 (18 a Maryland da inci 12.5 (32 a Lewes, Delaware. A Martha's Vineyard, dusar ƙanƙara mai nauyi da iskõki har zuwa mil 50 a kowace awa (80 km / h) sun haifar da dusar ƙara da ta wuce 3 feet (0.91 m) m) a tsawo.