AAVSO Sudden Ionospheric Disturbance Report
October 2021

Observers:
A118	A119	A122	A131	A134	A136	A138	A141	A143	
A146	A148	A149	A150	A152	A153	A96	A97	

YYMMDD		Event Peak		Importance
211002		2236			2	A122  - XRA
211003		0720			1
211003		1416			1-	A146  - XRA
211003		1416			1-	A146  - XRA
211004		1345			1-	A141  - XRA
211004		1345			1-	A141  - XRA
211007		0302			2+	A122  - QUAL
211007		1421			1-	A146  - QUAL
211007		1520			1-	A146  - QUAL
211007		1732			1-	A146  - QUAL
211007		2228			1	A122  - XRA
211008		1916			2+	A141  - QUAL
211008		1916			2+	A141  - QUAL
211008		1951			2+	A153  - XRA
211008		2005			2	A148  - XRA
211008		2005			2	A148  - XRA
211009		0628			1
211009		2240			2	A122  - QUAL
211013		2112			2+	A141  - QUAL
211013		2112			2+	A141  - QUAL
211014		0144			2	A122  - XRA
211014		0318			2	A122  - XRA
211025		1956			1+
211025		2211			1-
211026		0105			2	A122  - XRA
211026		0244			2+	A122  - XRA
211026		0529			1-	A152  - XRA
211026		0544			1-	A122  - QUAL
211026		0602			1-	A152  - XRA
211026		0611			1-	A122  - XRA
211026		0952			2+
211026		1125			1+
211026		1134			1-	A146  - XRA
211026		1144			1-	A146  - QUAL
211026		1335			1-
211026		1347			1+	A152  - XRA
211026		1556			1
211026		1604			1-	A96   - XRA
211027		0546			1-	A152  - XRA
211027		0552			2	A122  - XRA
211027		0603			1	A152  - XRA
211027		0849			1-
211027		0954			1-
211027		1029			1
211027		1159			1-
211027		1218			1
211027		1309			1-	A146  - FLA
211027		1317			1-	A152  - FLA
211027		1630			2+	A153  - XRA
211027		1638			1+	A97   - XRA
211027		1805			1
211027		1857			1-
211027		1914			1-	A146  - QUAL
211027		2046			1-	A148  - XRA
211027		2052			1-	A148  - XRA
211027		2229			1+	A153  - XRA
211028		0740			1
211028		0802			3	A134  - FLA
211028		0957			1-
211028		1028			2+
211028		1128			1-	A146  - QUAL
211028		1157			1-	A146  - FLA
211028		1219			1-	A152  - XRA
211028		1236			1
211028		1322			1-
211028		1336			3+	A148  - XRA
211028		1358			1
211028		1531			2
211028		1535			2+
211028		1611			1-	A152  - FLA
211029		0257			2+	A134  - XRA
211029		0305			2	A122  - QUAL
211029		0543			1-	A152  - XRA
211029		0600			1-	A122  - XRA
211029		0744			1-	A152  - XRA
211029		1125			1
211029		1215			1	A119  - XRA
211029		1328			1
211029		1547			1-	A146  - QUAL
211029		1701			1-	A146  - QUAL
211029		1727			1-	A146  - QUAL
211030		0334			1-	A122  - QUAL
211030		0955			1-
211030		1228			1-	A146  - QUAL
211030		1530			1-
211031		0655			3	A152  - XRA
211031		0655			3	A152  - XRA
211031		0707			1-	A131  - XRA
211031		2002			1	A153  - XRA
211031		2008			2	A141  - XRA



**************************************************
Importance Summary - Oct 2021
	1- events: 43
	1  events: 15
	1+ events:  5
	2  events: 11
	2+ events: 12
	3  events:  3
	3+ events:  1
 ------------------
   Total events: 90