Knowledge

Ice crystal

Source 📝

237: 313: 168: 1951: 1973: 25: 122: 375: 1962: 681: 397:
is working to design a radar that can detect ice crystal environments to discern hazardous flight conditions. Ice crystals can melt when they touch the surface of warm aircraft, and refreeze due to environmental conditions. The accumulation of ice around the engine damages the aircraft. Weather
236: 730: 583: 1028: 1331: 1061: 406:
by comparing a droplet's horizontal and vertical lengths. Ice crystals are larger in the horizontal direction and are thus detectable.
1003: 755:
Murray, Benjamin J.; Salzmann, Christoph G.; Heymsfield, Andrew J.; Dobbie, Steven; Neely, Ryan R.; Cox, Christopher J. (2015-09-01).
206:, ice crystals can develop from the initial hexagonal prism into many symmetric shapes. Possible shapes for ice crystals are columns, 1223: 1085:
Stillwell, Robert A.; Neely, Ryan R.; Thayer, Jeffrey P.; Walden, Von P.; Shupe, Matthew D.; Miller, Nathaniel B. (2019-11-27).
2012: 2007: 2002: 933: 272:
symmetry depending on the temperature. Trigonal or cubic crystals form in the upper atmosphere where supercooling occurs.
89: 836:
Algara-Siller, G.; Lehtinen, O.; Wang, F. C.; Nair, R. R.; Kaiser, U.; Wu, H. A.; Geim, A. K.; Grigorieva, I. V. (2015).
61: 358:, where warm and moist air rises and freezes into ice crystals. Ice crystals rubbing against each other also produces 559: 198:
Slower crystal growth from colder and drier atmospheres produces more hexagonal symmetry. Depending on environmental
108: 68: 657: 46: 1358: 756: 75: 524: 382: 42: 1408: 1248: 705: 1143: 57: 913: 1755: 337: 317: 304:
present between all molecules, drives the formation. The material is a new crystalline phase of ice.
496: 221:, which is when ice forms directly from water vapor in the atmosphere. Small spaces in atmospheric 141: 608: 171:
An example of a hexagonal plate (top) and a hexagonal column (bottom), typical ice crystal shapes.
1510: 320:
created by light reflecting off of ice crystals in cirrus clouds. This specific halo is called a
296:, water forms square ice crystals at room temperature. Researchers believe high pressure and the 35: 1564: 215: 632: 394: 1965: 1846: 1398: 1180: 1098: 1086: 859: 768: 1972: 1403: 8: 1851: 297: 176: 82: 1184: 1102: 863: 772: 1997: 1954: 1489: 1276: 1204: 1124: 891: 849: 794: 378: 312: 211: 145: 1295: 1351: 1280: 1268: 1196: 1128: 1116: 1036: 929: 925: 883: 875: 798: 786: 565: 555: 188: 137: 1730: 1322: 1260: 1208: 1188: 1106: 921: 895: 867: 776: 1087:"Radiative Influence of Horizontally Oriented Ice Crystals over Summit, Greenland" 525:"Sandwiching water between graphene makes square ice crystals at room temperature" 1380: 812: 682:"Growth Rates and Habits of Ice Crystals between −20° and −70°C - Google Search" 1935: 1925: 1735: 363: 285: 261: 218: 837: 781: 1991: 1750: 1702: 1687: 1555: 1272: 1200: 1120: 1040: 979: 879: 790: 403: 399: 354:
are made of ice crystals. Cirrus clouds are often the sign of an approaching
257: 1168: 569: 1760: 1672: 1667: 1662: 1560: 1530: 1344: 887: 466: 347: 340:
in the sky due to light reflecting off of the crystals in a process called
333: 253: 156: 1930: 1836: 1720: 1692: 1682: 1677: 1615: 1600: 1585: 1570: 1494: 1458: 1264: 1111: 549: 386: 199: 167: 125:
A close-up of growing ice crystals displaying typical hexagonal symmetry.
1866: 1249:"High Altitude Ice Crystal Detection with Aircraft X-band Weather Radar" 871: 321: 225:
can also collect water, freeze, and form ice crystals. This is known as
1920: 1800: 1785: 1745: 1740: 1620: 1595: 1545: 1520: 1424: 1253:
SAE International Journal of Advances and Current Practices in Mobility
954: 355: 341: 329: 281: 226: 207: 149: 1192: 260:
that is still liquid. Ice crystals formed from supercooled water have
1892: 1882: 1861: 1790: 1635: 1610: 1590: 1525: 1515: 1484: 1479: 1444: 425: 420: 359: 241: 230: 214:. Mixed patterns are also possible. The symmetric shapes are due to 24: 1902: 1897: 1887: 1856: 1820: 1815: 1805: 1657: 1605: 1580: 1439: 1434: 430: 293: 265: 203: 180: 1976: 854: 1912: 1810: 1780: 1725: 1715: 1540: 1474: 1469: 1454: 1449: 1429: 1326: 609:"We've been thinking of how ice forms in cirrus clouds all wrong" 351: 192: 121: 374: 233:
form when additional vapor freezes onto an existing ice crystal.
1841: 1464: 435: 366:
can cause them to clump together and fall in other directions.
289: 269: 264:
in their layered hexagons. This causes ice crystals to display
184: 152: 1224:"Flight Campaign Studies Radar Detection of Ice Crystal Icing" 754: 191:, meaning the water molecules arrange themselves into layered 1795: 1710: 1625: 1550: 1384: 1377: 835: 301: 1029:"Ice Crystals Above Clouds Dance to the Tune of Electricity" 1630: 1575: 1535: 415: 222: 1084: 1367: 133: 1169:"Aggregation of Ice Crystals in Strong Electric Fields" 551:
Fundamentals of physics and chemistry of the atmosphere
1336: 1293: 1060:
Canada, Environment and Climate Change (2011-04-15).
706:"How do snowflakes form? Get the science behind snow" 240:
Further freezing of water on an ice crystal produces
187:
atom at a 105° angle. Ice crystals have a hexagonal
49:. Unsourced material may be challenged and removed. 1989: 761:Bulletin of the American Meteorological Society 658:"Understanding how ice crystals form in clouds" 584:"Sublimation and deposition - Energy Education" 362:. The crystals normally fall horizontally, but 1166: 980:"Cirrus Clouds | Center for Science Education" 920:, Oxford: Academic Press, pp. 1583–1594, 248: 1352: 757:"Trigonal Ice Crystals in Earth's Atmosphere" 1091:Journal of Geophysical Research: Atmospheres 398:forecasting uses differential reflectivity 175: At ambient temperature and pressure, 148:. Ice crystals are responsible for various 1359: 1345: 1246: 1110: 914:"OPTICS, ATMOSPHERIC | Optical Phenomena" 911: 853: 780: 109:Learn how and when to remove this message 1332:American Meteorological Society Glossary 838:"Square ice in graphene nanocapillaries" 547: 373: 311: 235: 166: 120: 1247:Lukas, Jan; Badin, Pavel (2019-06-10). 1221: 1167:Latham, J.; Saunders, C. P. R. (1964). 1990: 1059: 292:. When squeezed between two layers of 1340: 1141: 1026: 907: 905: 1961: 918:Encyclopedia of Atmospheric Sciences 522: 518: 516: 491: 489: 487: 461: 459: 457: 455: 453: 451: 307: 47:adding citations to reliable sources 18: 655: 13: 902: 275: 14: 2024: 1316: 1294:US Department of Commerce, NOAA. 961:. American Meteorological Society 637:Wiley Analytical Science Magazine 633:"How ice crystals form in clouds" 513: 484: 473:. American Meteorological Society 448: 288:unlike smaller molecules such as 1971: 1960: 1950: 1949: 606: 256:water refers to water below its 23: 1287: 1240: 1215: 1160: 1135: 1078: 1053: 1020: 996: 972: 947: 912:Gedzelman, S. D. (2003-01-01), 829: 805: 748: 723: 698: 144:columns, hexagonal plates, and 34:needs additional citations for 16:Water ice in symmetrical shapes 1144:"Electric Snow Crystal Growth" 926:10.1016/b0-12-227090-8/00284-0 813:"Cubic ice (ice Ic) structure" 674: 649: 625: 600: 576: 541: 1: 2013:Atmospheric optical phenomena 2008:Clouds, fog and precipitation 2003:Snow or ice weather phenomena 1222:Heidman, Kelly (2015-08-11). 916:, in Holton, James R. (ed.), 441: 387:colors are computer generated 383:scanning electron microscope 369: 328:Ice crystals create optical 162: 7: 409: 381:ice crystals imaged with a 249:Trigonal and cubic crystals 10: 2029: 1027:Plait, Phil (2016-11-16). 1944: 1911: 1875: 1829: 1773: 1756:Short-track speed skating 1701: 1653: 1644: 1503: 1417: 1391: 1374: 782:10.1175/BAMS-D-13-00128.1 735:earthobservatory.nasa.gov 523:Puiu, Tibi (2015-03-27). 548:Visconti, Guido (2001). 179:have a V shape. The two 1366: 959:Glossary of Meteorology 471:Glossary of Meteorology 280:Water can pass through 1142:Libbrecht, Kenneth G. 390: 325: 245: 172: 126: 1062:"How lightning works" 607:Utah, University of. 402:to identify types of 377: 315: 239: 170: 124: 1265:10.4271/2019-01-2026 1112:10.1029/2018JD028963 554:. Berlin: Springer. 43:improve this article 1852:Iceman (occupation) 1296:"Dual-Pol Products" 1185:1964Natur.204.1293L 1179:(4965): 1293–1294. 1148:www.its.caltech.edu 1103:2019JGRD..12412141S 1097:(22): 12141–12156. 872:10.1038/nature14295 864:2015Natur.519..443A 773:2015BAMS...96.1519M 501:www.its.caltech.edu 497:"Ice Crystal Halos" 298:van der Waals force 1404:Crystalline phases 731:"Supercool Clouds" 712:. 19 December 2016 656:UCL (2016-12-09). 588:energyeducation.ca 395:aerospace industry 391: 326: 246: 183:atoms bond to the 173: 146:dendritic crystals 127: 1985: 1984: 1966:Wikimedia Commons 1769: 1768: 1323:SnowCrystals.com! 1193:10.1038/2041293a0 935:978-0-12-227090-1 848:(7544): 443–445. 308:Weather phenomena 140:shapes including 119: 118: 111: 93: 2020: 1975: 1964: 1963: 1953: 1952: 1651: 1650: 1361: 1354: 1347: 1338: 1337: 1310: 1309: 1307: 1306: 1291: 1285: 1284: 1244: 1238: 1237: 1235: 1234: 1219: 1213: 1212: 1164: 1158: 1157: 1155: 1154: 1139: 1133: 1132: 1114: 1082: 1076: 1075: 1073: 1072: 1057: 1051: 1050: 1048: 1047: 1024: 1018: 1017: 1015: 1014: 1000: 994: 993: 991: 990: 976: 970: 969: 967: 966: 951: 945: 944: 943: 942: 909: 900: 899: 857: 833: 827: 826: 824: 823: 817:water.lsbu.ac.uk 809: 803: 802: 784: 767:(9): 1519–1531. 752: 746: 745: 743: 742: 727: 721: 720: 718: 717: 702: 696: 695: 693: 692: 678: 672: 671: 669: 668: 653: 647: 646: 644: 643: 629: 623: 622: 620: 619: 604: 598: 597: 595: 594: 580: 574: 573: 545: 539: 538: 536: 535: 520: 511: 510: 508: 507: 493: 482: 481: 479: 478: 463: 302:attractive force 262:stacking defects 157:cloud formations 114: 107: 103: 100: 94: 92: 51: 27: 19: 2028: 2027: 2023: 2022: 2021: 2019: 2018: 2017: 1988: 1987: 1986: 1981: 1940: 1907: 1871: 1825: 1765: 1697: 1646: 1640: 1511:Albedo feedback 1499: 1413: 1399:Amorphous solid 1387: 1370: 1365: 1319: 1314: 1313: 1304: 1302: 1300:www.weather.gov 1292: 1288: 1245: 1241: 1232: 1230: 1220: 1216: 1165: 1161: 1152: 1150: 1140: 1136: 1083: 1079: 1070: 1068: 1058: 1054: 1045: 1043: 1025: 1021: 1012: 1010: 1004:"Cirrus clouds" 1002: 1001: 997: 988: 986: 978: 977: 973: 964: 962: 953: 952: 948: 940: 938: 936: 910: 903: 834: 830: 821: 819: 811: 810: 806: 753: 749: 740: 738: 729: 728: 724: 715: 713: 704: 703: 699: 690: 688: 680: 679: 675: 666: 664: 654: 650: 641: 639: 631: 630: 626: 617: 615: 605: 601: 592: 590: 582: 581: 577: 562: 546: 542: 533: 531: 521: 514: 505: 503: 495: 494: 485: 476: 474: 465: 464: 449: 444: 412: 372: 364:electric fields 310: 278: 276:Square crystals 251: 195:upon freezing. 189:crystal lattice 177:water molecules 165: 115: 104: 98: 95: 52: 50: 40: 28: 17: 12: 11: 5: 2026: 2016: 2015: 2010: 2005: 2000: 1983: 1982: 1980: 1979: 1968: 1957: 1945: 1942: 1941: 1939: 1938: 1936:Snowball Earth 1933: 1928: 1926:Little Ice Age 1923: 1917: 1915: 1909: 1908: 1906: 1905: 1900: 1895: 1890: 1885: 1879: 1877: 1873: 1872: 1870: 1869: 1864: 1859: 1854: 1849: 1844: 1839: 1833: 1831: 1827: 1826: 1824: 1823: 1818: 1813: 1808: 1803: 1798: 1793: 1788: 1783: 1777: 1775: 1771: 1770: 1767: 1766: 1764: 1763: 1758: 1753: 1748: 1743: 1738: 1736:Figure skating 1733: 1728: 1723: 1718: 1713: 1707: 1705: 1699: 1698: 1696: 1695: 1690: 1685: 1680: 1675: 1670: 1665: 1660: 1654: 1648: 1642: 1641: 1639: 1638: 1633: 1628: 1623: 1618: 1613: 1608: 1603: 1598: 1593: 1588: 1583: 1578: 1573: 1568: 1558: 1553: 1548: 1543: 1538: 1533: 1528: 1523: 1521:Circle or disc 1518: 1513: 1507: 1505: 1501: 1500: 1498: 1497: 1492: 1487: 1482: 1477: 1472: 1467: 1462: 1452: 1447: 1442: 1437: 1432: 1427: 1421: 1419: 1415: 1414: 1412: 1411: 1406: 1401: 1395: 1393: 1389: 1388: 1375: 1372: 1371: 1364: 1363: 1356: 1349: 1341: 1335: 1334: 1329: 1318: 1317:External links 1315: 1312: 1311: 1286: 1259:(1): 256–264. 1239: 1214: 1159: 1134: 1077: 1052: 1019: 995: 984:scied.ucar.edu 971: 946: 934: 901: 828: 804: 747: 722: 697: 686:www.google.com 673: 648: 624: 599: 575: 560: 540: 512: 483: 446: 445: 443: 440: 439: 438: 433: 428: 423: 418: 411: 408: 400:weather radars 371: 368: 309: 306: 286:graphene oxide 277: 274: 258:freezing point 250: 247: 164: 161: 117: 116: 31: 29: 22: 15: 9: 6: 4: 3: 2: 2025: 2014: 2011: 2009: 2006: 2004: 2001: 1999: 1996: 1995: 1993: 1978: 1974: 1969: 1967: 1958: 1956: 1947: 1946: 1943: 1937: 1934: 1932: 1929: 1927: 1924: 1922: 1919: 1918: 1916: 1914: 1910: 1904: 1901: 1899: 1896: 1894: 1891: 1889: 1886: 1884: 1881: 1880: 1878: 1874: 1868: 1865: 1863: 1860: 1858: 1855: 1853: 1850: 1848: 1845: 1843: 1840: 1838: 1835: 1834: 1832: 1828: 1822: 1819: 1817: 1814: 1812: 1809: 1807: 1804: 1802: 1799: 1797: 1794: 1792: 1789: 1787: 1784: 1782: 1779: 1778: 1776: 1774:Constructions 1772: 1762: 1759: 1757: 1754: 1752: 1751:Speed skating 1749: 1747: 1744: 1742: 1739: 1737: 1734: 1732: 1729: 1727: 1724: 1722: 1719: 1717: 1714: 1712: 1709: 1708: 1706: 1704: 1700: 1694: 1691: 1689: 1686: 1684: 1681: 1679: 1676: 1674: 1671: 1669: 1666: 1664: 1661: 1659: 1656: 1655: 1652: 1649: 1643: 1637: 1634: 1632: 1629: 1627: 1624: 1622: 1619: 1617: 1614: 1612: 1609: 1607: 1604: 1602: 1599: 1597: 1594: 1592: 1589: 1587: 1584: 1582: 1579: 1577: 1574: 1572: 1569: 1566: 1562: 1559: 1557: 1554: 1552: 1549: 1547: 1544: 1542: 1539: 1537: 1534: 1532: 1529: 1527: 1524: 1522: 1519: 1517: 1514: 1512: 1509: 1508: 1506: 1502: 1496: 1493: 1491: 1488: 1486: 1483: 1481: 1478: 1476: 1473: 1471: 1468: 1466: 1463: 1460: 1456: 1453: 1451: 1448: 1446: 1443: 1441: 1438: 1436: 1433: 1431: 1428: 1426: 1423: 1422: 1420: 1416: 1410: 1407: 1405: 1402: 1400: 1397: 1396: 1394: 1390: 1386: 1382: 1379: 1373: 1369: 1362: 1357: 1355: 1350: 1348: 1343: 1342: 1339: 1333: 1330: 1328: 1324: 1321: 1320: 1301: 1297: 1290: 1282: 1278: 1274: 1270: 1266: 1262: 1258: 1254: 1250: 1243: 1229: 1225: 1218: 1210: 1206: 1202: 1198: 1194: 1190: 1186: 1182: 1178: 1174: 1170: 1163: 1149: 1145: 1138: 1130: 1126: 1122: 1118: 1113: 1108: 1104: 1100: 1096: 1092: 1088: 1081: 1067: 1066:www.canada.ca 1063: 1056: 1042: 1038: 1034: 1030: 1023: 1009: 1005: 999: 985: 981: 975: 960: 956: 950: 937: 931: 927: 923: 919: 915: 908: 906: 897: 893: 889: 885: 881: 877: 873: 869: 865: 861: 856: 851: 847: 843: 839: 832: 818: 814: 808: 800: 796: 792: 788: 783: 778: 774: 770: 766: 762: 758: 751: 736: 732: 726: 711: 707: 701: 687: 683: 677: 663: 659: 652: 638: 634: 628: 614: 610: 603: 589: 585: 579: 571: 567: 563: 561:3-540-67420-9 557: 553: 552: 544: 530: 526: 519: 517: 502: 498: 492: 490: 488: 472: 468: 467:"ice crystal" 462: 460: 458: 456: 454: 452: 447: 437: 434: 432: 429: 427: 424: 422: 419: 417: 414: 413: 407: 405: 404:precipitation 401: 396: 388: 384: 380: 376: 367: 365: 361: 357: 353: 349: 348:Cirrus clouds 345: 343: 339: 335: 331: 323: 319: 314: 305: 303: 299: 295: 291: 287: 283: 273: 271: 267: 263: 259: 255: 243: 238: 234: 232: 228: 224: 220: 217: 213: 210:, plates and 209: 205: 201: 196: 194: 190: 186: 182: 178: 169: 160: 158: 155:displays and 154: 151: 147: 143: 139: 135: 131: 123: 113: 110: 102: 91: 88: 84: 81: 77: 74: 70: 67: 63: 60: –  59: 58:"Ice crystal" 55: 54:Find sources: 48: 44: 38: 37: 32:This article 30: 26: 21: 20: 1761:Tour skating 1561:Frost flower 1392:Major phases 1303:. Retrieved 1299: 1289: 1256: 1252: 1242: 1231:. Retrieved 1227: 1217: 1176: 1172: 1162: 1151:. Retrieved 1147: 1137: 1094: 1090: 1080: 1069:. Retrieved 1065: 1055: 1044:. Retrieved 1032: 1022: 1011:. Retrieved 1007: 998: 987:. Retrieved 983: 974: 963:. Retrieved 958: 949: 939:, retrieved 917: 845: 841: 831: 820:. Retrieved 816: 807: 764: 760: 750: 739:. Retrieved 737:. 2014-12-20 734: 725: 714:. Retrieved 710:www.noaa.gov 709: 700: 689:. Retrieved 685: 676: 665:. Retrieved 661: 651: 640:. Retrieved 636: 627: 616:. Retrieved 612: 602: 591:. Retrieved 587: 578: 550: 543: 532:. Retrieved 528: 504:. Retrieved 500: 475:. Retrieved 470: 392: 346: 334:diamond dust 327: 279: 252: 216:depositional 197: 174: 130:Ice crystals 129: 128: 105: 96: 86: 79: 72: 65: 53: 41:Please help 36:verification 33: 1931:Pleistocene 1645:Ice-related 1556:Frost heave 1490:Stalactites 529:ZME Science 254:Supercooled 200:temperature 150:atmospheric 138:symmetrical 1992:Categories 1977:Wiktionary 1921:Glaciology 1876:Other uses 1746:Ice racing 1741:Ice hockey 1716:Iceboating 1647:activities 1418:Formations 1409:Superionic 1305:2023-03-30 1233:2023-03-30 1153:2023-03-30 1071:2023-03-30 1046:2023-03-30 1013:2023-03-30 1008:Met Office 989:2023-03-30 965:2023-03-29 941:2023-03-30 822:2023-04-10 741:2023-04-10 716:2023-03-30 691:2024-03-10 667:2023-04-10 642:2023-03-29 618:2023-03-30 593:2023-04-10 534:2023-03-30 506:2023-03-30 477:2023-03-29 442:References 356:warm front 342:scattering 284:sheets of 242:snowflakes 231:Snowflakes 227:nucleation 132:are solid 99:March 2022 69:newspapers 1998:Water ice 1688:Sculpture 1504:Phenomena 1281:182542723 1273:2641-9637 1201:1476-4687 1129:210640681 1121:2169-897X 1041:1091-2339 955:"Ice fog" 880:1476-4687 855:1412.7498 799:120907603 791:0003-0007 426:Ice spike 421:Snowflake 379:Dendritic 370:Detection 360:lightning 330:phenomena 282:laminated 223:particles 212:dendrites 163:Formation 142:hexagonal 1955:Category 1913:Ice ages 1867:Yakhchāl 1847:Icehouse 1673:Climbing 1668:Blocking 1663:Blasting 1581:Hair ice 1531:Crystals 888:25810206 662:UCL News 613:phys.org 570:46320998 431:Ice lens 410:See also 322:46° halo 294:graphene 266:trigonal 204:humidity 193:hexagons 181:hydrogen 1837:Cutting 1811:Pykrete 1731:Cycling 1726:Curling 1721:Cricket 1693:Skating 1683:Rafting 1678:Fishing 1658:Bathing 1601:Nucleus 1586:Jacking 1565:sea ice 1563: ( 1495:Volcano 1459:calving 1457: ( 1455:Iceberg 1450:Glacier 1327:Caltech 1209:8747928 1181:Bibcode 1099:Bibcode 896:4462633 860:Bibcode 769:Bibcode 352:ice fog 208:needles 83:scholar 1970:  1959:  1948:  1842:Icebox 1801:Palace 1786:Bridge 1703:Sports 1621:Slurry 1596:Needle 1546:Frazil 1465:Icicle 1425:Anchor 1279:  1271:  1207:  1199:  1173:Nature 1127:  1119:  1039:  932:  894:  886:  878:  842:Nature 797:  789:  568:  558:  436:Icicle 385:. The 290:helium 219:growth 185:oxygen 85:  78:  71:  64:  56:  1893:Cream 1883:Chips 1862:Trade 1796:Igloo 1791:Hotel 1711:Bandy 1636:Storm 1626:Slush 1616:Shuga 1611:Shove 1571:Glaze 1551:Frost 1526:Clear 1516:Black 1485:Spike 1480:Sheet 1445:Field 1385:water 1381:state 1378:solid 1325:, at 1277:S2CID 1205:S2CID 1125:S2CID 1033:Slate 892:S2CID 850:arXiv 795:S2CID 338:halos 332:like 300:, an 270:cubic 153:optic 90:JSTOR 76:books 1903:Pack 1898:Cube 1888:Core 1857:Pick 1830:Work 1821:Road 1816:Rink 1806:Pier 1631:Snow 1606:Rime 1591:Névé 1576:Hail 1536:Firn 1440:Dune 1435:Cave 1376:The 1269:ISSN 1228:NASA 1197:ISSN 1117:ISSN 1037:ISSN 930:ISBN 884:PMID 876:ISSN 787:ISSN 566:OCLC 556:ISBN 416:Snow 393:The 350:and 336:and 318:halo 202:and 62:news 1781:Bar 1541:Fog 1475:Sea 1470:Jam 1430:Cap 1383:of 1368:Ice 1261:doi 1189:doi 1177:204 1107:doi 1095:124 922:doi 868:doi 846:519 777:doi 268:or 136:in 134:ice 45:by 1994:: 1298:. 1275:. 1267:. 1255:. 1251:. 1226:. 1203:. 1195:. 1187:. 1175:. 1171:. 1146:. 1123:. 1115:. 1105:. 1093:. 1089:. 1064:. 1035:. 1031:. 1006:. 982:. 957:. 928:, 904:^ 890:. 882:. 874:. 866:. 858:. 844:. 840:. 815:. 793:. 785:. 775:. 765:96 763:. 759:. 733:. 708:. 684:. 660:. 635:. 611:. 586:. 564:. 527:. 515:^ 499:. 486:^ 469:. 450:^ 344:. 316:A 229:. 159:. 1567:) 1461:) 1360:e 1353:t 1346:v 1308:. 1283:. 1263:: 1257:2 1236:. 1211:. 1191:: 1183:: 1156:. 1131:. 1109:: 1101:: 1074:. 1049:. 1016:. 992:. 968:. 924:: 898:. 870:: 862:: 852:: 825:. 801:. 779:: 771:: 744:. 719:. 694:. 670:. 645:. 621:. 596:. 572:. 537:. 509:. 480:. 389:. 324:. 244:. 112:) 106:( 101:) 97:( 87:· 80:· 73:· 66:· 39:.

Index


verification
improve this article
adding citations to reliable sources
"Ice crystal"
news
newspapers
books
scholar
JSTOR
Learn how and when to remove this message

ice
symmetrical
hexagonal
dendritic crystals
atmospheric
optic
cloud formations

water molecules
hydrogen
oxygen
crystal lattice
hexagons
temperature
humidity
needles
dendrites
depositional

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.