000 NOUS42 KNHC 191430 REPRPD WEATHER RECONNAISSANCE FLIGHTS CARCAH, NATIONAL HURRICANE CENTER, MIAMI, FL. 1030 AM EDT SUN 19 MARCH 2017 SUBJECT: WINTER STORM PLAN OF THE DAY (WSPOD) VALID 20/1100Z TO 21/1100Z MARCH 2017 WSPOD NUMBER.....16-109 I. ATLANTIC REQUIREMENTS 1. NEGATIVE RECONNAISSANCE REQUIREMENTS. 2. OUTLOOK FOR SUCCEEDING DAY.....NEGATIVE. $$ WJM