Tornado Alerts Near Grassflat, PA 16839

🌪️ Current Alert Status

Live NWS tornado and severe weather alerts

✅

All Clear

No active tornado alerts near Grassflat

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

Historical Tornado Risk

Activity level Moderate

Average per year 2.5 tornados

Peak season month July

Total on record 124 tornados

📋 Tornado History

Historical tornado events within 250 miles of Grassflat

EF Rating	Damage	Path	Casualties	Distance	Date
EF2	Considerable damage	1.7 mi × 300 yd	None	143 mi	Jul 7, 2025
EF1	Moderate damage	2.4 mi × 600 yd	None	88 mi	Jun 9, 2025
EF1	Moderate damage	0.7 mi × 500 yd	None	18 mi	Mar 16, 2025
EF1	Moderate damage	0.5 mi × 200 yd	None	39 mi	Mar 16, 2025
EF1	Moderate damage	6 mi × 200 yd	None	78 mi	Sep 6, 2024
EF1	Moderate damage	1.4 mi × 300 yd	None	136 mi	Aug 5, 2024
EF0	Light damage	0.8 mi × 75 yd	None	137 mi	Jul 15, 2024
EF0	Light damage	0.8 mi × 75 yd	None	129 mi	Jul 15, 2024
EF0	Light damage	1 mi × 50 yd	None	134 mi	Jul 10, 2024
EF1	Moderate damage	2.8 mi × 400 yd	None	122 mi	Jul 10, 2024
EF2	Considerable damage	3.2 mi × 300 yd	None	119 mi	Jul 10, 2024
EF1	Moderate damage	1.9 mi × 150 yd	None	112 mi	Sep 19, 2022
EF2	Considerable damage	10 mi × 500 yd	None	112 mi	Jul 28, 2022
EF0	Light damage	0.8 mi × 75 yd	None	131 mi	Apr 25, 2022
EF1	Moderate damage	0.8 mi × 75 yd	None	118 mi	Sep 12, 2021
EF1	Moderate damage	0.6 mi × 125 yd	None	30 mi	May 4, 2021
EF0	Light damage	1.1 mi × 50 yd	None	71 mi	May 29, 2019
EF0	Light damage	0.2 mi × 75 yd	None	129 mi	Oct 20, 2018
EF0	Light damage	0.2 mi × 20 yd	None	35 mi	Oct 2, 2018
EF2	Considerable damage	2.2 mi × 300 yd	None	61 mi	Oct 2, 2018
EF1	Moderate damage	1.1 mi × 300 yd	None	37 mi	Aug 21, 2018
EF1	Moderate damage	1.3 mi × 300 yd	None	37 mi	Aug 21, 2018
EF1	Moderate damage	2.1 mi × 100 yd	None	60 mi	Jul 23, 2018
EF1	Moderate damage	1.1 mi × 100 yd	None	128 mi	May 3, 2018
EF0	Light damage	0.4 mi × 10 yd	None	136 mi	Oct 31, 2017
EF1	Moderate damage	4.2 mi × 740 yd	None	93 mi	Jul 20, 2017
EF0	Light damage	1.1 mi × 150 yd	None	99 mi	Jul 20, 2017
EF0	Light damage	1.3 mi × 450 yd	None	117 mi	Jul 20, 2017
EF2	Considerable damage	6.1 mi × 700 yd	None	126 mi	Jul 20, 2017
EF1	Moderate damage	1.7 mi × 200 yd	None	52 mi	May 1, 2017
EF0	Light damage	0.3 mi × 50 yd	None	142 mi	Jun 10, 2015
EF0	Light damage	0.5 mi × 20 yd	None	46 mi	Aug 21, 2014
EF0	Light damage	0.3 mi × 100 yd	None	37 mi	May 15, 2014
EF1	Moderate damage	14 mi × 500 yd	None	78 mi	Jul 27, 2013
EF1	Moderate damage	2.9 mi × 200 yd	None	47 mi	Jul 27, 2013
EF1	Moderate damage	2.6 mi × 800 yd	None	96 mi	Jul 26, 2012
EF1	Moderate damage	0.3 mi × 100 yd	None	89 mi	Jul 26, 2012
EF0	Light damage	0.2 mi × 150 yd	None	55 mi	Jul 26, 2012
EF0	Light damage	0.4 mi × 25 yd	None	51 mi	May 2, 2012
EF1	Moderate damage	2.5 mi × 200 yd	None	74 mi	May 30, 2011
EF1	Moderate damage	2 mi × 100 yd	None	44 mi	May 26, 2011
EF1	Moderate damage	5.6 mi × 150 yd	None	44 mi	May 26, 2011
EF1	Moderate damage	4.6 mi × 150 yd	None	96 mi	Apr 27, 2011
EF0	Light damage	1.9 mi × 25 yd	None	50 mi	Apr 27, 2011
EF1	Moderate damage	1.1 mi × 250 yd	None	54 mi	Jul 24, 2010
EF1	Moderate damage	7.8 mi × 100 yd	None	81 mi	Jul 24, 2010
EF1	Moderate damage	1.2 mi × 50 yd	None	88 mi	Jul 24, 2010
EF1	Moderate damage	2.7 mi × 100 yd	None	73 mi	Jun 27, 2010
EF1	Moderate damage	4.7 mi × 250 yd	None	71 mi	Jun 27, 2010
EF0	Light damage	10.6 mi × 35 yd	None	130 mi	Aug 29, 2009
EF1	Moderate damage	1.3 mi × 150 yd	None	27 mi	Aug 9, 2009
EF1	Moderate damage	0.3 mi × 150 yd	None	28 mi	Aug 9, 2009
EF1	Moderate damage	7.8 mi × 25 yd	None	92 mi	Aug 9, 2009
EF0	Light damage	2.2 mi × 100 yd	None	79 mi	Jul 26, 2009
EF1	Moderate damage	1.3 mi × 30 yd	None	42 mi	Jul 26, 2009
EF1	Moderate damage	4.1 mi × 100 yd	None	134 mi	Jul 25, 2009
EF1	Moderate damage	3 mi × 75 yd	0 dead, 2 hurt	136 mi	Jun 30, 2006
EF1	Moderate damage	1 mi × 200 yd	None	91 mi	Aug 12, 2005
EF0	Light damage	0.5 mi × 10 yd	None	81 mi	Aug 12, 2005
EF1	Moderate damage	0.5 mi × 100 yd	None	40 mi	Jun 15, 2005
EF0	Light damage	2 mi × 100 yd	None	77 mi	Jun 6, 2005
EF3	Severe damage	2.5 mi × 200 yd	None	64 mi	Jul 21, 2003
EF1	Moderate damage	5.5 mi × 600 yd	None	59 mi	Jul 21, 2003
EF0	Light damage	1.3 mi × 75 yd	None	58 mi	May 11, 2003
EF1	Moderate damage	4 mi × 150 yd	None	81 mi	Aug 22, 2002
EF2	Considerable damage	6.5 mi × 300 yd	None	92 mi	Apr 28, 2002
EF0	Light damage	0.7 mi × 25 yd	None	110 mi	Apr 28, 2002
EF1	Moderate damage	2 mi × 100 yd	None	55 mi	Aug 19, 2001
EF1	Moderate damage	3.5 mi × 30 yd	None	31 mi	Aug 16, 2001
EF0	Light damage	0.1 mi × 30 yd	None	30 mi	Jul 10, 2001
EF1	Moderate damage	3 mi × 60 yd	None	37 mi	Jun 20, 2001
EF2	Considerable damage	15 mi × 250 yd	None	121 mi	Jun 2, 1998
EF1	Moderate damage	8 mi × 440 yd	None	68 mi	Jun 2, 1998
EF1	Moderate damage	7 mi × 75 yd	None	50 mi	May 31, 1998
EF1	Moderate damage	2 mi × 50 yd	None	20 mi	May 31, 1998
EF1	Moderate damage	3 mi × 50 yd	None	22 mi	May 31, 1998
EF0	Light damage	0.5 mi × 100 yd	None	44 mi	May 31, 1998
EF1	Moderate damage	3 mi × 100 yd	None	44 mi	May 31, 1998
EF1	Moderate damage	0.5 mi × 440 yd	None	61 mi	May 31, 1998
EF1	Moderate damage	3.5 mi × 880 yd	None	40 mi	Jul 18, 1997
EF0	Light damage	2 mi × 100 yd	None	37 mi	Jul 18, 1997
EF1	Moderate damage	8 mi × 100 yd	None	80 mi	Jul 8, 1997
EF0	Light damage	0.2 mi × 15 yd	None	75 mi	Jul 8, 1997
EF1	Moderate damage	5 mi × 50 yd	None	29 mi	May 19, 1997
EF1	Moderate damage	1 mi × 150 yd	None	45 mi	Nov 8, 1996
EF1	Moderate damage	2.5 mi × 500 yd	None	52 mi	Nov 8, 1996
EF1	Moderate damage	3 mi × 150 yd	None	41 mi	Nov 8, 1996
EF0	Light damage	0.5 mi × 10 yd	None	103 mi	Jul 30, 1996
EF0	Light damage	0.1 mi × 50 yd	None	41 mi	Jul 30, 1996
EF1	Moderate damage	0.5 mi × 15 yd	None	141 mi	Jul 15, 1996
EF1	Moderate damage	1.5 mi × 50 yd	None	125 mi	Jun 22, 1996
EF1	Moderate damage	1.5 mi × 50 yd	None	125 mi	Jun 22, 1996
EF1	Moderate damage	4 mi × 100 yd	None	34 mi	Sep 26, 1994
EF0	Light damage	1.5 mi × 10 yd	None	113 mi	Sep 3, 1993
EF2	Considerable damage	3.5 mi × 50 yd	None	90 mi	Sep 3, 1993
EF1	Moderate damage	0.5 mi × 20 yd	None	93 mi	Jul 17, 1992
EF1	Moderate damage	1 mi × 73 yd	None	41 mi	Jul 15, 1992
EF1	Moderate damage	0.5 mi × 20 yd	None	138 mi	Jul 12, 1992
EF1	Moderate damage	0.2 mi × 50 yd	None	115 mi	May 1, 1991
EF0	Light damage	0.5 mi × 10 yd	None	120 mi	May 1, 1991
EF1	Moderate damage	0.5 mi × 30 yd	None	115 mi	Apr 9, 1991
EF1	Moderate damage	0.5 mi × 7 yd	None	107 mi	Apr 9, 1991
EF0	Light damage	0.5 mi × 60 yd	0 dead, 2 hurt	79 mi	Aug 28, 1990
EF2	Considerable damage	1.5 mi × 30 yd	0 dead, 1 hurt	137 mi	Jul 30, 1987
EF3	Severe damage	11 mi × 910 yd	2 dead, 20 hurt	52 mi	May 31, 1985
EF4	Devastating damage	29 mi × 3330 yd	None	17 mi	May 31, 1985
EF4	Devastating damage	11.5 mi × 1000 yd	None	53 mi	May 31, 1985
EF4	Devastating damage	4.5 mi × 3330 yd	None	16 mi	May 31, 1985
EF4	Devastating damage	6.5 mi × 1000 yd	4 dead, 40 hurt	59 mi	May 31, 1985
EF4	Devastating damage	5.5 mi × 3330 yd	None	14 mi	May 31, 1985
EF4	Devastating damage	7.5 mi × 1000 yd	None	61 mi	May 31, 1985
EF4	Devastating damage	30 mi × 3330 yd	None	32 mi	May 31, 1985
EF2	Considerable damage	7 mi × 300 yd	None	55 mi	May 31, 1985
EF2	Considerable damage	10.5 mi × 300 yd	None	58 mi	May 31, 1985
EF2	Considerable damage	1.5 mi × 300 yd	None	59 mi	May 31, 1985
EF2	Considerable damage	9.8 mi × 30 yd	None	73 mi	May 2, 1983
EF1	Moderate damage	N/A	None	42 mi	May 11, 1981
EF1	Moderate damage	10.1 mi × 40 yd	None	92 mi	Jun 29, 1980
EF1	Moderate damage	0.8 mi × 13 yd	None	58 mi	Aug 2, 1979
EF1	Moderate damage	N/A	None	42 mi	Jun 7, 1978
EF1	Moderate damage	11.7 mi × 100 yd	None	108 mi	Sep 18, 1977
EF3	Severe damage	25 mi × 150 yd	None	46 mi	Jul 29, 1976
EF0	Light damage	0.1 mi × 33 yd	None	35 mi	Jul 11, 1976
EF1	Moderate damage	0.3 mi × 30 yd	None	139 mi	Jun 30, 1976

📈 Historical Trends

Tornado activity near Grassflat over 36 years

124

Total tornados on record

2.5

Average per year

EF4

Strongest recorded

Jul

Peak month

EF Scale Distribution

EF0

32

EF1

69

EF2

13

EF3

3

EF4

7

EF5

0

Yearly Tornado Count

1976 2025

Strongest Tornados on Record

EF4 MCKEAN, PE May 31, 1985

6.5 mi path 4 deaths 40 injured

EF4 CLEARFIELD, PE May 31, 1985

30 mi path

EF4 CLINTON, PE May 31, 1985

29 mi path

EF4 ELK, PE May 31, 1985

11.5 mi path

EF4 MCKEAN, PE May 31, 1985

7.5 mi path

📅 Tornado Season

When tornados are most likely near you

⚡

Active Tornado Season

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

US Tornado Activity by Month

Jan

2%

Feb

3%

Mar

7%

Apr

10%

May

18%

Jun

16%

PEAK

Jul

12%

Aug

9%

Sep

7%

Oct

6%

Nov

5%

Dec

3%

Current month Peak for Grassflat

🛡️ 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 Grassflat with live tracking