Site contains unofficial IBTrACS data. Visit the IBTrACS Website to access archived data.

Key - Shading by Saffir Simpson Hurricane Scale

Tropical Depression or
Unknown or Missing
Tropical Storm Hurricane Cat 1 Cat 2 Cat 3 Cat 4 Cat 5

1970

Storms are listed in the basin where they reached their maximum intensity. Asterisks denote landfall on a major island or continent.

Northern Atlantic Eastern Pacific Western Pacific Northern Indian Southern Indian Southern Pacific
ALMA *
May 17-27
ADELE
May 30-Jun 7
NANCY
Feb 19-28
NOT_NAMED
May 1-6
ALINE
Aug 18-22
NOT_NAMED
Nov 13-15
BECKY *
Jul 19-23
BLANCA
Jun 10-12
AL01 *
Mar 14-17
NOT_NAMED
May 22-23
BLANCHE
Oct 7-15
ADA *
Jan 2-19
AL05
Jul 27-Aug 1
CONNIE
Jun 17-21
NOT_NAMED
Jun 11-16
NOT_NAMED
May 28-Jun 2
CORINNE:CORRINE *
Nov 11-21
NOT_NAMED
Jan 4-7
CELIA *
Jul 31-Aug 5
EILEEN *
Jun 26-30
AL04 *
Jun 14-17
AL03 *
Jun 6-11
DELPHINE
Dec 29-Jan 1
NOT_NAMED *
Jan 9-12
NOT_NAMED
Aug 2-6
FRANCESCA
Jul 1-10
NOT_NAMED *
Jun 20-24
AL07 *
Jun 29-Jul 3
DIANE:FRANCOISE
Jan 3-17
NOT_NAMED
Jan 11-12
NOT_NAMED *
Aug 5-7
GRETCHEN
Jul 14-21
PAMELA *
Jun 26-Jul 1
NOT_NAMED *
Jul 6-8
ELIANE *
Jan 7-11
DAWN *
Feb 10-19
NOT_NAMED
Aug 11-18
HELGA
Jul 16-20
OLGA *
Jun 26-Jul 7
AL05 *
Aug 17-19
GENEVIEVE *
Jan 10-19
FLORENCE
Feb 10-12
NOT_NAMED *
Aug 15-19
IONE-2
Jul 22-26
OLGA *
Jul 6-6
AL04 *
Sep 1-13
HERMINE
Jan 22-27
DOLLY
Feb 11-25
DOROTHY
Aug 17-23
IONE-1
Jul 24-25
RUBY *
Jul 8-22
NOT_NAMED *
Sep 7-17
HERMINE
Jan 25-27
NOT_NAMED
Feb 14-17
NOT_NAMED
Sep 3-9
JOYCE
Jul 29-Aug 4
NOT_NAMED
Jul 10-14
NOT_NAMED *
Sep 20-22
GLYNIS
Jan 26-Feb 6
EMMA
Feb 27-Mar 6
NOT_NAMED
Sep 5-7
KRISTEN
Aug 5-8
AL01
Jul 15-24
NOT_NAMED
Oct 10-13
ISEULT
Feb 1-15
NOT_NAMED
Mar 1-4
ELLA *
Sep 8-13
LORRAINE
Aug 16-27
SALLY
Jul 19-24
NOT_NAMED *
Oct 17-24
JUDY
Feb 9-24
NOT_NAMED
Mar 4-7
FELICE *
Sep 12-17
MAGGIE
Aug 20-27
NOT_NAMED
Jul 21-26
AL03 *
Nov 7-13
JANE *
Feb 9-Mar 2
CINDY *
Mar 11-22
AL02
Sep 22-25
NORMA
Aug 31-Sep 6
AL04
Jul 25-Aug 2
NOT_NAMED *
Nov 18-20
JANE *
Feb 24-25
NOT_NAMED
Apr 1-4
NOT_NAMED *
Sep 23-Oct 11
DOT
Sep 1-4
NOT_NAMED *
Jul 26-Aug 5
NOT_NAMED
Nov 21-28
JANE
Mar 1-2
GILLIAN
Apr 7-11
GRETA *
Sep 26-Oct 5
ORLENE *
Sep 7-9
NOT_NAMED
Jul 27-Aug 1
JANE
Feb 10-11
GILLIAN
Apr 9-11
AL04
Sep 29-Oct 1
PATRICIA
Oct 4-11
THERESE
Jul 30-Aug 4
INGRID *
Feb 9-17
ISA *
Apr 13-19
NOT_NAMED *
Oct 12-18
ROSALIE
Oct 21-23
NOT_NAMED
Aug 1-2
JANE *
Feb 24-25
HELEN
Apr 13-17
NOT_NAMED
Oct 20-28
SELMA
Nov 1-8
VIOLET *
Aug 3-10
JANE
Mar 1-2
AL05
Jun 22-23
WILDA *
Aug 7-19
KATIA *
Mar 16-26
ANITA *
Aug 13-24
KATHY:MICHELE
Mar 19-30
ANITA
Aug 15-16
LOUISE
Mar 20-Apr 1
AL04 *
Aug 16-19
LOUISE
Mar 31-Apr 1
NOT_NAMED *
Aug 18-20
LOUISE
Mar 23-24
BILIE:BILLIE *
Aug 21-Sep 1
LOUISE
Mar 31-Apr 1
NOT_NAMED
Aug 21-26
LULU *
May 4-9
NOT_NAMED
Aug 25-31
CLARA
Aug 25-Sep 4
NOT_NAMED *
Aug 29-Sep 4
FRAN *
Sep 1-11
ELLEN
Sep 2-6
AL06
Sep 4-4
NOT_NAMED *
Sep 3-5
GEORGIA *
Sep 7-16
NOT_NAMED
Sep 16-23
AL01
Sep 17-25
HOPE
Sep 18-30
NOT_NAMED
Sep 23-27
AL03 *
Sep 27-Oct 2
IRIS
Oct 2-8
NOT_NAMED
Oct 1-6
NOT_NAMED
Oct 4-5
NOT_NAMED
Oct 6-9
JOAN *
Oct 9-18
KATE *
Oct 13-26
NOT_NAMED
Oct 14-18
LOUISE *
Oct 23-30
MARGE *
Oct 26-Nov 8
NORA
Nov 1-4
OPAL *
Nov 10-17
PATSY *
Nov 13-22
RUTH
Nov 20-29
AL06
Dec 14-17