Tornado Alerts Near Altadena, CA 91001

🌪️ Current Alert Status

Live NWS tornado and severe weather alerts

✅

All Clear

No active tornado alerts near Altadena

There are currently no tornado warnings, watches, or severe thunderstorm alerts in effect for the Altadena area. This page updates every 60 seconds from the National Weather Service.

Historical Tornado Risk

Activity level Moderate

Average per year 2.1 tornados

Peak season month February

Total on record 103 tornados

📋 Tornado History

Historical tornado events within 250 miles of Altadena

EF Rating	Damage	Path	Casualties	Distance	Date
EF0	Light damage	1 mi × 80 yd	None	14 mi	Mar 13, 2025
EF0	Light damage	0.7 mi × 15 yd	None	22 mi	May 4, 2023
EF0	Light damage	0.1 mi × 15 yd	None	23 mi	May 4, 2023
EF1	Moderate damage	0.5 mi × 50 yd	0 dead, 1 hurt	14 mi	Mar 22, 2023
EF0	Light damage	0.1 mi × 15 yd	None	22 mi	Feb 23, 2023
EF0	Light damage	1.6 mi × 50 yd	None	63 mi	Oct 8, 2022
EF0	Light damage	1.8 mi × 9 yd	None	31 mi	Sep 9, 2021
EF0	Light damage	N/A	None	53 mi	May 7, 2017
EF0	Light damage	N/A	None	67 mi	Oct 17, 2015
EF0	Light damage	0.7 mi × 10 yd	None	17 mi	Dec 12, 2014
EF0	Light damage	1 mi × 3 yd	None	60 mi	Aug 18, 2013
EF0	Light damage	N/A	None	59 mi	Sep 9, 2012
EF0	Light damage	0.5 mi × 50 yd	None	61 mi	Aug 12, 2012
EF1	Moderate damage	4.6 mi × 25 yd	None	33 mi	Jan 19, 2010
EF0	Light damage	0.4 mi × 10 yd	None	53 mi	May 22, 2008
EF0	Light damage	1 mi × 20 yd	None	54 mi	May 22, 2008
EF2	Considerable damage	2.8 mi × 75 yd	0 dead, 1 hurt	55 mi	May 22, 2008
EF0	Light damage	0.9 mi × 20 yd	None	58 mi	May 22, 2008
EF0	Light damage	0.1 mi × 15 yd	None	95 mi	Sep 22, 2007
EF0	Light damage	0.1 mi × 15 yd	None	42 mi	Sep 22, 2007
EF0	Light damage	13.1 mi × 75 yd	None	45 mi	Sep 1, 2007
EF0	Light damage	0.1 mi × 10 yd	None	31 mi	Sep 1, 2007
EF0	Light damage	1 mi × 20 yd	None	65 mi	Jul 23, 2006
EF0	Light damage	0.2 mi × 15 yd	None	93 mi	Mar 10, 2006
EF0	Light damage	0.1 mi × 33 yd	None	37 mi	Aug 15, 2005
EF0	Light damage	0.5 mi × 15 yd	None	41 mi	Mar 4, 2005
EF0	Light damage	2 mi × 15 yd	None	59 mi	Feb 26, 2005
EF1	Moderate damage	2.8 mi × 25 yd	None	74 mi	Feb 19, 2005
EF0	Light damage	2.2 mi × 15 yd	None	78 mi	Feb 19, 2005
EF0	Light damage	2.5 mi × 25 yd	None	76 mi	Feb 19, 2005
EF0	Light damage	0.2 mi × 20 yd	None	37 mi	Feb 19, 2005
EF0	Light damage	0.5 mi × 5 yd	None	18 mi	Dec 29, 2004
EF0	Light damage	0.5 mi × 5 yd	None	18 mi	Dec 29, 2004
EF0	Light damage	1 mi × 5 yd	None	29 mi	Dec 28, 2004
EF0	Light damage	0.2 mi × 25 yd	None	81 mi	Oct 17, 2004
EF0	Light damage	1 mi × 800 yd	None	36 mi	Aug 14, 2004
EF0	Light damage	0.1 mi × 10 yd	None	20 mi	Dec 21, 2001
EF0	Light damage	0.1 mi × 100 yd	None	33 mi	Feb 24, 2001
EF0	Light damage	0.1 mi × 2 yd	None	26 mi	Aug 28, 2000
EF0	Light damage	0.5 mi × 10 yd	None	17 mi	Feb 16, 2000
EF0	Light damage	0.1 mi × 5 yd	None	27 mi	Apr 1, 1999
EF0	Light damage	0.2 mi × 40 yd	None	67 mi	May 13, 1998
EF0	Light damage	0.3 mi × 25 yd	None	37 mi	Feb 24, 1998
EF0	Light damage	3 mi × 25 yd	None	94 mi	Feb 9, 1998
EF1	Moderate damage	0.5 mi × 40 yd	None	93 mi	Jan 29, 1998
EF1	Moderate damage	1.5 mi × 10 yd	0 dead, 1 hurt	29 mi	Jan 9, 1998
EF1	Moderate damage	1 mi × 30 yd	None	37 mi	Dec 21, 1997
EF1	Moderate damage	0.2 mi × 200 yd	None	40 mi	Nov 11, 1997
EF0	Light damage	0.1 mi × 5 yd	None	27 mi	Jul 21, 1997
EF0	Light damage	0.2 mi × 20 yd	None	50 mi	Jun 6, 1997
EF1	Moderate damage	3.5 mi × 100 yd	None	61 mi	May 18, 1997
EF1	Moderate damage	0.2 mi × 40 yd	None	58 mi	May 11, 1997
EF0	Light damage	9 mi × 75 yd	None	42 mi	Feb 7, 1994
EF0	Light damage	0.1 mi × 10 yd	None	13 mi	Feb 7, 1994
EF0	Light damage	0.1 mi × 10 yd	0 dead, 2 hurt	40 mi	Nov 11, 1993
EF0	Light damage	0.5 mi × 10 yd	None	24 mi	Feb 8, 1993
EF0	Light damage	0.1 mi × 10 yd	None	61 mi	Dec 29, 1992
EF0	Light damage	0.1 mi × 10 yd	None	84 mi	Dec 7, 1992
EF1	Moderate damage	0.1 mi × 10 yd	None	28 mi	Dec 7, 1992
EF1	Moderate damage	0.1 mi × 10 yd	None	32 mi	Dec 7, 1992
EF0	Light damage	0.1 mi × 10 yd	None	43 mi	Dec 7, 1992
EF1	Moderate damage	0.2 mi × 20 yd	None	7 mi	Mar 20, 1992
EF0	Light damage	0.5 mi × 20 yd	None	77 mi	Feb 15, 1992
EF1	Moderate damage	0.2 mi × 10 yd	None	91 mi	Mar 27, 1991
EF1	Moderate damage	3 mi × 53 yd	None	37 mi	Mar 27, 1991
EF0	Light damage	1 mi × 50 yd	None	45 mi	Mar 20, 1991
EF0	Light damage	0.2 mi × 10 yd	None	46 mi	Mar 20, 1991
EF0	Light damage	0.5 mi × 50 yd	None	24 mi	Mar 19, 1991
EF0	Light damage	0.5 mi × 50 yd	None	38 mi	Feb 28, 1991
EF0	Light damage	0.2 mi × 33 yd	None	18 mi	Jan 16, 1990
EF0	Light damage	0.2 mi × 10 yd	None	61 mi	Jan 18, 1988
EF0	Light damage	1.5 mi × 13 yd	None	50 mi	Jan 18, 1988
EF0	Light damage	0.2 mi × 20 yd	None	30 mi	Jun 5, 1987
EF0	Light damage	0.2 mi × 10 yd	None	73 mi	Jul 21, 1986
EF1	Moderate damage	1.2 mi × 40 yd	None	28 mi	Mar 16, 1986
EF0	Light damage	0.3 mi × 70 yd	None	19 mi	May 30, 1984
EF0	Light damage	0.1 mi × 10 yd	None	37 mi	Jan 13, 1984
EF1	Moderate damage	0.3 mi × 100 yd	0 dead, 3 hurt	23 mi	Oct 1, 1983
EF0	Light damage	0.3 mi × 100 yd	None	21 mi	Sep 30, 1983
EF0	Light damage	0.2 mi × 100 yd	None	5 mi	Mar 1, 1983
EF2	Considerable damage	3.5 mi × 100 yd	0 dead, 30 hurt	20 mi	Mar 1, 1983
EF0	Light damage	0.1 mi × 150 yd	None	31 mi	Nov 9, 1982
EF1	Moderate damage	0.2 mi × 33 yd	None	50 mi	Nov 9, 1982
EF2	Considerable damage	10 mi × 1300 yd	None	29 mi	Nov 9, 1982
EF0	Light damage	0.1 mi × 20 yd	None	18 mi	Nov 9, 1982
EF2	Considerable damage	1 mi × 150 yd	None	18 mi	Nov 9, 1982
EF1	Moderate damage	0.2 mi × 20 yd	None	33 mi	Nov 9, 1982
EF1	Moderate damage	2 mi × 67 yd	None	8 mi	Mar 29, 1982
EF0	Light damage	0.3 mi × 60 yd	None	46 mi	Jan 20, 1982
EF0	Light damage	0.4 mi × 10 yd	None	24 mi	Jan 28, 1980
EF1	Moderate damage	2 mi × 33 yd	None	34 mi	Jan 31, 1979
EF0	Light damage	N/A	None	13 mi	Jan 31, 1979
EF0	Light damage	0.8 mi × 80 yd	None	81 mi	Dec 18, 1978
EF0	Light damage	1 mi × 33 yd	None	24 mi	Feb 10, 1978
EF0	Light damage	N/A	None	19 mi	Jan 4, 1978
EF0	Light damage	0.1 mi × 100 yd	None	29 mi	May 8, 1977
EF1	Moderate damage	10.9 mi × 33 yd	0 dead, 4 hurt	25 mi	Mar 16, 1977
EF0	Light damage	N/A	None	43 mi	Sep 6, 1976
EF0	Light damage	N/A	None	42 mi	Sep 6, 1976
EF0	Light damage	N/A	None	42 mi	Sep 6, 1976
EF0	Light damage	N/A	None	31 mi	Sep 6, 1976
EF0	Light damage	N/A	None	49 mi	Sep 5, 1976
EF0	Light damage	N/A	None	42 mi	Sep 4, 1976

📈 Historical Trends

Tornado activity near Altadena over 36 years

103

Total tornados on record

2.1

Average per year

EF2

Strongest recorded

Feb

Peak month

EF Scale Distribution

EF0

78

EF1

21

EF2

4

EF3

0

EF4

0

EF5

0

Yearly Tornado Count

1976 2025

Strongest Tornados on Record

EF2 LOS ANGELES, CA Nov 9, 1982

10 mi path

EF2 LOS ANGELES, CA Mar 1, 1983

3.5 mi path 30 injured

EF2 RIVERSIDE, CA May 22, 2008

2.8 mi path 1 injured

EF2 LOS ANGELES, CA Nov 9, 1982

1 mi path

EF1 ORANGE, CA Mar 16, 1977

10.9 mi path 4 injured

📅 Tornado Season

When tornados are most likely near you

⚡

Active Tornado Season

Tornado season is active. Altadena sees the most tornado activity in Feb. Stay alert and have your shelter plan ready.

US Tornado Activity by Month

Jan

2%

PEAK

Feb

3%

Mar

7%

Apr

10%

May

18%

Jun

16%

Jul

12%

Aug

9%

Sep

7%

Oct

6%

Nov

5%

Dec

3%

Current month Peak for Altadena

🛡️ Tornado Safety

What to know before, during, and after a tornado

⚠️ Tornado Watch

Meaning: Conditions are favorable for tornado development

Be prepared to take shelter. Stay alert for changing conditions.

🌪️ Tornado Warning

Meaning: A tornado has been spotted or detected on radar

TAKE COVER IMMEDIATELY in your nearest safe shelter.

⚠️ Step 1

Tornado Watch — Be Prepared

Conditions are favorable for tornados. Monitor weather alerts, charge your phone, and review your shelter plan. Move vehicles into garages if possible.

🌪️ Step 2

Tornado Warning — Take Cover NOW

A tornado has been sighted or indicated by radar. Move immediately to an interior room on the lowest floor (basement, bathroom, closet). Get under sturdy furniture. Stay away from windows.

🔍 Step 3

After a Tornado

Stay in your shelter until the warning expires. Check for injuries, avoid downed power lines, and watch for gas leaks. Document damage for insurance before cleanup.

Where to Shelter

✓ Best: Underground shelter or basement

✓ Good: Interior room on lowest floor

✓ Acceptable: Bathroom or closet (no exterior walls)

✓ If driving: Pull over, get below road level in a ditch

✗ NEVER: Stay in a mobile home — leave for sturdy building

✗ NEVER: Shelter under a highway overpass

📍 Nearby Tornado Monitoring

Cities near Altadena with live tracking