{"id":27022,"date":"2018-02-08T23:59:28","date_gmt":"2018-02-08T23:59:28","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=27022"},"modified":"2020-05-03T03:25:01","modified_gmt":"2020-05-03T03:25:01","slug":"large-hail-in-argentina","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/27022","title":{"rendered":"Large hail in Argentina"},"content":{"rendered":"

\"GOES-16<\/a>

GOES-16 “Red” Visible (0.64 \u00b5m, top)<\/em> and “Clean” Infrared Window (10.3 \u00b5m, bottom)<\/em> images, with hourly surface reports (metric units) for C\u00f3rdoba, Argentina [click to play animated GIF — MP4<\/strong><\/a> also available]<\/p><\/div>GOES-16 (GOES-East)<\/em> “Red” Visible (0.64 \u00b5m<\/strong><\/a>) and “Clean” Infrared Window (10.3 \u00b5m<\/strong><\/a>) images (above)<\/strong><\/em> showed the development of severe thunderstorms which produced very large hail in the C\u00f3rdoba, Argentina area on 08 February 2018. Distinct above-anvil cirrus plumes<\/a><\/strong> were evident on the Visible imagery, with pulses of overshooting tops exhibiting Infrared brightness temperatures in the -70 to -80\u00baC range (black to white enhancement)<\/em>. The hail reportedly began around 1930 UTC or 4:30 PM local time. [Note: there is evidence that large hail produced by the northernmost storm may have set a new world record for size<\/strong><\/a>] <\/p>\n

The above-anvil cirrus plumes could also be seen in GOES-16 Near-Infrared “Snow\/Ice” (1.61 \u00b5m<\/strong><\/a>) images (below)<\/strong><\/em>.<\/p>\n

\"GOES-16<\/a>

GOES-16 Near-Infrared “Snow\/Ice” (1.61 \u00b5m)<\/em> images, with hourly surface reports (metric units) for C\u00f3rdoba, Argentina [click to play animated GIF — MP4<\/strong><\/a> also available]<\/p><\/div>An Aqua MODIS True Color Red-Green-Blue (RGB) image viewed using RealEarth<\/a><\/strong> (below)<\/em><\/strong> showed the thunderstorm just west of C\u00f3rdoba around 1850 UTC<\/a><\/strong>. One of the largest hailstones was observed in the western suburb of Villa Carlos Paz.<\/p>\n

\"Aqua<\/a>

Aqua MODIS True Color RGB image [click to enlarge]<\/p><\/div>According to the Worldview<\/strong><\/a> site, the coldest Aqua MODIS cloud-top infrared brightness temperature at that time was -78\u00baC (below)<\/strong><\/em>.<\/p>\n

\"Aqua<\/a>

Aqua MODIS True-color and Infrared Window (11.0 \u00b5m)<\/em> images [click to enlarge]<\/p><\/div>A time series plot of surface observations at C\u00f3rdoba (below)<\/em><\/strong> showed the warm temperatures and high dew points prior to the arrival of the thunderstorms; there were a number of hail reports between 19 UTC and 02 UTC (4 PM to 11 PM local time).<\/p>\n

\"Time<\/a>

Time series of surface observations at C\u00f3rdoba, Argentina [click to enlarge]<\/p><\/div>

<\/p>\n
\n

This hail that fell in Argentina Thursday, more than 7″ across, might be a Southern Hemisphere record. More info: https:\/\/t.co\/0VqmRZpdnb<\/a> Image: Victoria Druetta pic.twitter.com\/cmdB600mJe<\/a><\/p>\n

\u2014 Capital Weather Gang (@capitalweather) February 10, 2018<\/a><\/p><\/blockquote>\n