AAVSO Sudden Ionospheric Disturbance Report
May 2011

Observers:
A102	A118	A119	A121	
A122	A124	A125	A96	

YYMMDD		Event Peak		Importance
110501		0807			2+
110501		0814			2
110501		2334			2
110502		1404			1
110503		1053			2
110508		0544			1-
110512		1231			3
110514		0044			1-
110515		0747			2+
110515		1424			2+
110515		2334			1+
110517		2041			1-
110518		1300			2+
110525		0431			1-
110527		1452			2+
110527		1644			2
110527		1834			1-
110527		2302			1-
110528		0225			2
110528		0340			2+
110528		0622			2+
110528		0711			2
110528		0806			1+
110528		0849			3
110528		0856			2+
110528		0903			2
110528		1030			2+
110528		1525			2+
110528		1724			1+
110528		1915			2
110528		1947			1-
110528		2116			2+
110528		2256			1-
110529		0150			2
110529		0445			1-
110529		0616			1
110529		0716			1-
110529		0730			1+
110529		0822			3+
110529		0835			2
110529		0901			1-
110529		0925			1+
110529		0947			1
110529		1014			2+
110529		1024			2
110529		1055			2+
110529		1140			1+
110529		2116			2+
110529		2345			2+
110530		0548			1+
110530		0606			2
110530		1100			2+



**************************************************
Importance Summary - May 2011
	1- events: 11
	1  events:  3
	1+ events:  7
	2  events: 12
	2+ events: 16
	3  events:  2
	3+ events:  1
 ------------------
   Total events: 52