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Tropical Storm Chantal (2007)

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568: 1090: 170: 27: 1318: 318: 249: 490: 328: 338: 513:. In offshore waters, wave heights reached 20 feet (6.1 m). Onshore, the storm produced moderately strong winds, with an unofficial peak gust of 54 mph (87 km/h) reported near where the storm moved ashore. The extratropical remnants of Chantal dropped heavy rainfall in a short duration across Newfoundland; 1.7 inches (43 mm) fell in 1 hour at 428:; six hours after becoming a tropical storm, Chantal reached peak winds of 50 mph (80 km/h). The storm tracked through an area of progressively cold waters and cooler air, resulting in the weakening of its convection. The circulation became embedded within the approaching frontal zone, and by 0600 UTC on August 1 Chantal transitioned into an 448:
Area with full force. It subsequently intensified to attain winds of near hurricane-force. On August 3 the cyclone underwent a final weakening trend in the far northern Atlantic Ocean, and on August 5 the extratropical remnants of Chantal merged with another extratropical cyclone to the east of
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observations suggested winds of 35 mph (56 km/h), and the center was well-involved enough with the convection for the National Hurricane Center to classify it as Tropical Depression Three while it was located about 270 miles (430 km) north-northwest of Bermuda, or about 445 miles
548:, the flooding caused a bridge to depress about 1.5 feet (46 cm); a temporary bridge was built within two months, with a permanent replacement scheduled to be finished by the summer of 2008. Insured damage across the area totaled $ 25 million (2007  465:
on July 30, producing scattered storms and increased cloud cover. The next day the system dropped more rainfall as it passed to the west of the island, and in the two-day period precipitation accumulated to 2.12 inches (54 mm) at the
212:, and with favorable conditions, the storm rapidly attained peak winds of 50 mph (80 km/h). The storm accelerated northeastward over an area of progressively colder water temperatures, and after a decrease in convection the 470:, accounting for 35% of the monthly rainfall total. Thunderstorms were reported on the island, and maximum reported winds on the island reached 45 mph (72 km/h). After Chantal passed Bermuda, a ship with the call sign 372:. The system tracked northeastward, and initially unfavorable environmental conditions left the system disorganized. However, conditions were forecast to become more conducive for development, and by July 29 the 435:
After becoming an extratropical cyclone, Chantal maintained scattered convection near its center, though its main area of convection and clouds extended to its north. Midday on August 1, the cyclone struck
420:." Convection increased further over the center, and at around 0600 UTC on July 31 the depression intensified into Tropical Storm Chantal while located about 530 miles (850 km) south of 392:. The system contained an exposed low-level circulation, which intermittently passed beneath a persistent area of convection to its northeast. By early on July 31, ship reports and 958: 1056: 404:
Upon receiving its classification, the depression consisted of a partially exposed low-level center with deep convection occupying the northeastern semicircle. Located over
932: 880: 806: 780: 1049: 906: 1042: 416:), one forecaster noted the depression had "a small window of opportunity... for it to reach tropical storm strength before transitioning to an 1077: 832: 1279: 545: 962: 1267: 1195: 1231: 1145: 514: 424:. The storm continued northeastward, under the influence of a mid-level trough, and Chantal quickly developed well-defined curved 1344: 1321: 541: 526: 530: 667: 645: 200:
in its formative stages and caused flooding and gusty winds in Newfoundland while extratropical. The third named storm of the
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before tracking into the open waters of the north Atlantic Ocean. Prior to forming, the storm dropped moderate rainfall on
534: 518: 228:. Subsequent to becoming extratropical, the remnants of Chantal produced gusty winds and heavy precipitation across the 1364: 1349: 936: 910: 884: 810: 784: 1183: 1104: 1354: 1219: 1066: 517:, the highest hourly rainfall total. Across the province, precipitation peaked at 7.89 inches (200 mm) at 201: 180: 1359: 467: 421: 368:. Deep convection initially failed to persist, though on July 28 meteorologists began tracking it with the 1034: 1116: 807:"Post-Tropical Storm Chantal Intermediate Information Statement at 12:30 PM ADT Wednesday August 1, 2007" 933:"Post-Tropical Storm Chantal Intermediate Information Statement at 6:30 PM ADT Wednesday August 1, 2007" 1303: 1159: 858: 758: 736: 714: 689: 581: 232:
of Newfoundland, causing flooding and wind damage; insured damage totaled $ 25 million (2007 
1207: 586: 373: 213: 158: 1255: 573: 262: 85: 81: 509:. Later, the Newfoundland Labrador Weather Office issued heavy rainfall warnings for southeastern 836: 405: 165: 1243: 591: 398: 425: 1089: 510: 506: 437: 429: 417: 377: 341: 221: 217: 52: 984: 781:"Post-Tropical Storm Chantal Information Statement at 3:00 AM ADT Wednesday August 1, 2007" 553: 389: 361: 237: 220:
early on August 1. Shortly thereafter, the extratropical remnant crossed over southeastern
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recorded sustained winds of 37 mph (60 km/h) over the open waters of the north
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Shortly after it first became a tropical storm, the Atlantic Storm Prediction Center of
907:"Tropical Storm Chantal Information Statement at 3:30 PM ADT Tuesday July 31, 2007" 881:"Tropical Storm Chantal Information Statement at 9:00 AM ADT Tuesday July 31, 2007" 522: 494: 441: 369: 321: 252:
Map plotting the storm's track and intensity, according to the Saffir–Simpson scale
229: 193: 1171: 549: 233: 154: 114: 1291: 1140: 475: 521:. The rainfall caused flooding and street washouts in several towns along the 1338: 1006: 357: 110: 1064: 544:
citizens were isolated for 5 days until a temporary road was made. Also in
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as it continued northeastward, under the influence of a large mid-latitude
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of low pressure; by July 26, it was nearly stationary to the east of the
483: 409: 353: 106: 1007:"Newfoundland begins cleanup of hurricane Igor's path of destruction" 248: 537:. Several communities in the region declared states of emergencies. 393: 209: 360:
on July 21, and as it drifted southeastward it degenerated into a
478:. At around 2300 UTC on July 31, a buoy to the southeast of 462: 450: 413: 385: 225: 205: 204:, Chantal developed on July 31 from non-tropical origins between 197: 150: 502: 489: 276:
Tropical storm (39–73 mph, 63–118 km/h)
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Tropical depression (≤38 mph, â‰¤62 km/h)
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Tropical Storm Chantal near peak intensity on July 31, 2007
344:, remnant low, tropical disturbance, or monsoon depression 296:
Category 4 (130–156 mph, 209–251 km/h)
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Category 3 (111–129 mph, 178–208 km/h)
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Category 2 (96–110 mph, 154–177 km/h)
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development." On July 30, the low passed to the west of
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Category 1 (74–95 mph, 119–153 km/h)
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ceased issuing advisories as Chantal began undergoing
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The precursor disturbance to Chantal began affecting
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Category 5 (≥157 mph, â‰Ą252 km/h)
1336: 621:"Tropical Storm Chantal Tropical Cyclone Report" 505:issued gale warnings for the coastal waters off 982: 1050: 618: 1004: 935:. Canadian Hurricane Centre. Archived from 909:. Canadian Hurricane Centre. Archived from 883:. Canadian Hurricane Centre. Archived from 809:. Canadian Hurricane Centre. Archived from 783:. Canadian Hurricane Centre. Archived from 1057: 1043: 959:"Newfoundlanders mopping up after Chantal" 956: 715:"Tropical Depression Three Discussion Two" 690:"Tropical Depression Three Discussion One" 168: 25: 1278: 1273: 737:"Tropical Storm Chantal Discussion Three" 243: 924: 859:"Tropical Storm Chantal Discussion Five" 759:"Tropical Storm Chantal Discussion Four" 712: 687: 643: 488: 247: 930: 708: 706: 1337: 1182: 1177: 961:. CanWest News Service. Archived from 950: 668:"July 29 Tropical Weather Outlook (2)" 659: 1038: 856: 850: 756: 734: 665: 637: 614: 612: 610: 608: 606: 1266: 1261: 1206: 1201: 1127: 1122: 898: 872: 750: 728: 703: 681: 1254: 1249: 1194: 1189: 904: 878: 798: 778: 772: 13: 1230: 1225: 1115: 1110: 646:"July 29 Tropical Weather Outlook" 603: 14: 1376: 1302: 1297: 1242: 1237: 1170: 1165: 1158: 1153: 1023: 397:(716 km) south-southeast of 1317: 1316: 1290: 1285: 1139: 1134: 1103: 1098: 1088: 833:"Sunny beginning, wet ending..." 831:Bermuda Weather Service (2007). 566: 552:, $ 24.3 million 2007  482:reported a pressure of 995  336: 326: 316: 236:, $ 24.3 million 2007  998: 976: 824: 376:remarked it had "potential for 16:Atlantic tropical storm in 2007 1345:2007 Atlantic hurricane season 1067:2007 Atlantic hurricane season 987:. The Transcontinental Compass 983:Lillian Simmons (2007-08-28). 805:Fogarty & Roussel (2007). 202:2007 Atlantic hurricane season 181:2007 Atlantic hurricane season 1: 1218: 1213: 597: 592:Other storms of the same name 468:Bermuda International Airport 985:"Towns bite into bridgework" 7: 1030:NHC Tropical Cyclone Report 861:. National Hurricane Center 761:. National Hurricane Center 739:. National Hurricane Center 717:. National Hurricane Center 692:. National Hurricane Center 670:. National Hurricane Center 648:. National Hurricane Center 626:. National Hurricane Center 559: 10: 1381: 1005:Alison Auld (2010-09-22). 582:List of Bermuda hurricanes 486:as Chantal passed nearby. 138:$ 24.3 million (2007 96:50 mph (85 km/h) 1365:Tropical cyclones in 2007 1312: 1095: 1086: 1073: 1065:Tropical cyclones of the 587:List of Canada hurricanes 456: 374:National Hurricane Center 214:National Hurricane Center 176: 164: 146: 134: 126: 121: 100: 92: 76: 69: 61: 51: 43: 36: 24: 1350:Atlantic tropical storms 574:Tropical cyclones portal 406:sea surface temperatures 218:extratropical transition 619:Richard Pasch (2007). 498: 399:Chatham, Massachusetts 349: 244:Meteorological history 190:Tropical Storm Chantal 38:Meteorological history 20:Tropical Storm Chantal 1355:Hurricanes in Bermuda 492: 430:extratropical cyclone 418:extratropical cyclone 342:Extratropical cyclone 251: 1360:Hurricanes in Canada 497:during the flooding. 422:Halifax, Nova Scotia 263:Saffir–Simpson scale 101:Lowest pressure 1009:. Medicine Hat News 957:Ken Meaney (2007). 332:Subtropical cyclone 21: 499: 493:Rattling Brook in 408:of about 80 Â° 350: 192:was a short-lived 93:Highest winds 78:1-minute sustained 19: 1330: 1329: 839:on August 8, 2007 713:Mainelli (2007). 688:Franklin (2007). 644:Mainelli (2007). 187: 186: 1372: 1320: 1319: 1300: 1288: 1276: 1264: 1252: 1240: 1228: 1216: 1204: 1192: 1180: 1168: 1156: 1149: 1137: 1125: 1113: 1101: 1092: 1059: 1052: 1045: 1036: 1035: 1018: 1017: 1015: 1014: 1002: 996: 995: 993: 992: 980: 974: 973: 971: 970: 954: 948: 947: 945: 944: 939:on June 11, 2011 931:Fogarty (2007). 928: 922: 921: 919: 918: 902: 896: 895: 893: 892: 887:on June 11, 2011 876: 870: 869: 867: 866: 854: 848: 847: 845: 844: 828: 822: 821: 819: 818: 813:on June 11, 2011 802: 796: 795: 793: 792: 787:on June 11, 2011 776: 770: 769: 767: 766: 754: 748: 747: 745: 744: 732: 726: 725: 723: 722: 710: 701: 700: 698: 697: 685: 679: 678: 676: 675: 663: 657: 656: 654: 653: 641: 635: 634: 632: 631: 625: 616: 576: 571: 570: 569: 523:Avalon Peninsula 495:Ship Harbour, NL 442:Avalon Peninsula 426:banding features 370:Dvorak technique 340: 339: 330: 329: 322:Tropical cyclone 320: 319: 305: 300: 295: 290: 285: 280: 275: 270: 230:Avalon Peninsula 172: 117: 72: 39: 29: 22: 18: 1380: 1379: 1375: 1374: 1373: 1371: 1370: 1369: 1335: 1334: 1331: 1326: 1308: 1307: 1306: 1301: 1298: 1295: 1294: 1289: 1286: 1283: 1282: 1277: 1274: 1271: 1270: 1265: 1262: 1259: 1258: 1253: 1250: 1247: 1246: 1241: 1238: 1235: 1234: 1229: 1226: 1223: 1222: 1217: 1214: 1211: 1210: 1205: 1202: 1199: 1198: 1193: 1190: 1187: 1186: 1181: 1178: 1175: 1174: 1169: 1166: 1163: 1162: 1157: 1154: 1151: 1150: 1143: 1138: 1135: 1132: 1131: 1126: 1123: 1120: 1119: 1114: 1111: 1108: 1107: 1102: 1099: 1093: 1082: 1069: 1063: 1026: 1021: 1012: 1010: 1003: 999: 990: 988: 981: 977: 968: 966: 955: 951: 942: 940: 929: 925: 916: 914: 903: 899: 890: 888: 877: 873: 864: 862: 855: 851: 842: 840: 829: 825: 816: 814: 803: 799: 790: 788: 777: 773: 764: 762: 755: 751: 742: 740: 733: 729: 720: 718: 711: 704: 695: 693: 686: 682: 673: 671: 664: 660: 651: 649: 642: 638: 629: 627: 623: 617: 604: 600: 572: 567: 565: 562: 515:St. John's West 459: 348: 347: 346: 345: 337: 334: 327: 324: 317: 314: 308: 307: 303: 302: 298: 297: 293: 292: 288: 287: 283: 282: 278: 277: 273: 272: 268: 266: 257: 253: 246: 177: 155:Atlantic Canada 122:Overall effects 104: 70: 37: 32: 17: 12: 11: 5: 1378: 1368: 1367: 1362: 1357: 1352: 1347: 1328: 1327: 1325: 1324: 1313: 1310: 1309: 1296: 1284: 1272: 1260: 1248: 1236: 1224: 1212: 1200: 1188: 1176: 1164: 1152: 1133: 1121: 1109: 1097: 1096: 1094: 1087: 1084: 1083: 1081: 1080: 1074: 1071: 1070: 1062: 1061: 1054: 1047: 1039: 1033: 1032: 1025: 1024:External links 1022: 1020: 1019: 997: 975: 949: 923: 897: 871: 857:Brown (2007). 849: 835:Archived from 823: 797: 771: 757:Blake (2007). 749: 735:Blake (2007). 727: 702: 680: 666:Blake (2007). 658: 636: 601: 599: 596: 595: 594: 589: 584: 578: 577: 561: 558: 546:Spaniard's Bay 476:Atlantic Ocean 458: 455: 444:, hitting the 356:moved off the 354:frontal system 335: 325: 315: 310: 309: 267: 260: 259: 258: 255: 254: 245: 242: 196:that affected 194:tropical storm 185: 184: 174: 173: 162: 161: 148: 147:Areas affected 144: 143: 136: 132: 131: 128: 124: 123: 119: 118: 113:); 29.35  102: 98: 97: 94: 90: 89: 74: 73: 71:Tropical storm 67: 66: 65:August 5, 2007 63: 59: 58: 55: 49: 48: 45: 41: 40: 34: 33: 30: 15: 9: 6: 4: 3: 2: 1377: 1366: 1363: 1361: 1358: 1356: 1353: 1351: 1348: 1346: 1343: 1342: 1340: 1333: 1323: 1315: 1314: 1311: 1305: 1293: 1281: 1269: 1257: 1245: 1233: 1221: 1209: 1197: 1185: 1173: 1161: 1147: 1142: 1130: 1118: 1106: 1091: 1085: 1079: 1076: 1075: 1072: 1068: 1060: 1055: 1053: 1048: 1046: 1041: 1040: 1037: 1031: 1028: 1027: 1008: 1001: 986: 979: 965:on 2007-09-29 964: 960: 953: 938: 934: 927: 913:on 2007-08-01 912: 908: 901: 886: 882: 875: 860: 853: 838: 834: 827: 812: 808: 801: 786: 782: 775: 760: 753: 738: 731: 716: 709: 707: 691: 684: 669: 662: 647: 640: 622: 615: 613: 611: 609: 607: 602: 593: 590: 588: 585: 583: 580: 579: 575: 564: 557: 555: 551: 547: 543: 538: 536: 532: 528: 524: 520: 516: 512: 508: 504: 496: 491: 487: 485: 481: 477: 473: 469: 464: 454: 452: 447: 443: 439: 433: 431: 427: 423: 419: 415: 411: 407: 402: 400: 395: 391: 387: 383: 379: 375: 371: 367: 363: 359: 355: 343: 333: 323: 313: 265: 264: 250: 241: 239: 235: 231: 227: 223: 219: 215: 211: 207: 203: 199: 195: 191: 183: 182: 175: 171: 167: 163: 160: 156: 152: 149: 145: 141: 137: 133: 130:None reported 129: 125: 120: 116: 112: 108: 103: 99: 95: 91: 87: 83: 79: 75: 68: 64: 60: 56: 54: 53:Extratropical 50: 47:July 31, 2007 46: 42: 35: 28: 23: 1332: 1128: 1011:. 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Index


Extratropical
SSHWS
NWS
mbar
hPa
inHg
USD
Bermuda
Atlantic Canada
Newfoundland
IBTrACS
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2007 Atlantic hurricane season
tropical storm
Bermuda
2007 Atlantic hurricane season
Bermuda
Cape Cod
National Hurricane Center
extratropical transition
Newfoundland
Bermuda
Avalon Peninsula
CAD
USD

Saffir–Simpson scale
Tropical cyclone
Subtropical cyclone

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