Alert archive / Ohio / Severe Thunderstorm Watches in 2012

Severe Thunderstorm Watch 524

July 26, 20127 states

The Storm Prediction Center issued this severe thunderstorm watch at Jul 26, 2012, 1:16 PM EDT for 7 states. It was in force for 9 hr.

The area

The outline as issued.

The facts

Issued: Jul 26, 2012, 1:16 PM EDT (17:16 UTC)
Expired: Jul 26, 2012, 10:00 PM EDT
In force: 9 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2 in
Strongest gust expected: 70 kt

All 192 counties

Dearborn County, IN, Fayette County, IN, Franklin County, IN, Ohio County, IN, Ripley County, IN, Switzerland County, IN, Union County, IN, Wayne County, IN, Boone County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Gallatin County, KY, Grant County, KY, Greenup County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Garrett County, MD, Allegany County, NY, Cattaraugus County, NY, Chautauqua County, NY, Adams County, OH, Allen County, OH, Ashland County, OH, Ashtabula County, OH, Athens County, OH, Auglaize County, OH, Belmont County, OH, Brown County, OH, Butler County, OH, Carroll County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Columbiana County, OH, Coshocton County, OH, Crawford County, OH, Cuyahoga County, OH, Darke County, OH, Delaware County, OH, Erie County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Gallia County, OH, Geauga County, OH, Greene County, OH, Guernsey County, OH, Hamilton County, OH, Hancock County, OH, Hardin County, OH, Harrison County, OH, Henry County, OH, Highland County, OH, Hocking County, OH, Holmes County, OH, Huron County, OH, Jackson County, OH, Jefferson County, OH, Knox County, OH, Lake County, OH, Lawrence County, OH, Licking County, OH, Logan County, OH, Lorain County, OH, Lucas County, OH, Madison County, OH, Mahoning County, OH, Marion County, OH, Medina County, OH, Meigs County, OH, Mercer County, OH, Miami County, OH, Monroe County, OH, Montgomery County, OH, Morgan County, OH, Morrow County, OH, Muskingum County, OH, Noble County, OH, Ottawa County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Portage County, OH, Preble County, OH, Putnam County, OH, Richland County, OH, Ross County, OH, Sandusky County, OH, Scioto County, OH, Seneca County, OH, Shelby County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Tuscarawas County, OH, Union County, OH, Vinton County, OH, Warren County, OH, Washington County, OH, Wayne County, OH, Wood County, OH, Wyandot County, OH, Adams County, PA, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Bedford County, PA, Blair County, PA, Butler County, PA, Cambria County, PA, Cameron County, PA, Centre County, PA, Clarion County, PA, Clearfield County, PA, Clinton County, PA, Columbia County, PA, Crawford County, PA, Cumberland County, PA, Dauphin County, PA, Elk County, PA, Erie County, PA, Fayette County, PA, Forest County, PA, Franklin County, PA, Fulton County, PA, Greene County, PA, Huntingdon County, PA, Indiana County, PA, Jefferson County, PA, Juniata County, PA, Lancaster County, PA, Lawrence County, PA, Lebanon County, PA, Lycoming County, PA, McKean County, PA, Mercer County, PA, Mifflin County, PA, Montour County, PA, Northumberland County, PA, Perry County, PA, Potter County, PA, Schuylkill County, PA, Snyder County, PA, Somerset County, PA, Sullivan County, PA, Tioga County, PA, Union County, PA, Venango County, PA, Warren County, PA, Washington County, PA, Westmoreland County, PA, York County, PA, Barbour County, WV, Braxton County, WV, Brooke County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Gilmer County, WV, Hancock County, WV, Harrison County, WV, Jackson County, WV, Kanawha County, WV, Lewis County, WV, Marion County, WV, Marshall County, WV, Mason County, WV, Monongalia County, WV, Nicholas County, WV, Ohio County, WV, Pleasants County, WV, Pocahontas County, WV, Preston County, WV, Putnam County, WV, Randolph County, WV, Ritchie County, WV, Roane County, WV, Taylor County, WV, Tucker County, WV, Tyler County, WV, Upshur County, WV, Webster County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV

The radar

The Cleveland radar (KCLE), 78 km from the middle of the area, began a volume at 17:18 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes: 20%
One or more EF2 to EF5 tornadoes: 5%
Ten or more severe wind reports: 95%
One or more gusts of 65 knots or more: 70%
Ten or more severe hail reports: 40%
One or more hailstones of 2 inches or more: 20%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

120 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Jul 26, 1:16 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua	59 min
Jul 26, 1:20 PM EDT	Severe Thunderstorm Warning	CTP	Warren	55 min
Jul 26, 1:21 PM EDT	Tornado Warning	CLE	Ashtabula, Trumbull	24 min
Jul 26, 1:22 PM EDT	Severe Thunderstorm Warning	PBZ	Mercer, Venango	53 min
Jul 26, 1:35 PM EDT	Tornado Warning	PBZ	Mercer, Venango	40 min
Jul 26, 1:37 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua	38 min
Jul 26, 1:38 PM EDT	Severe Thunderstorm Warning	CLE	Wayne	52 min
Jul 26, 1:48 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Clearfield, Elk, McKean, Potter, Warren	72 min
Jul 26, 1:50 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	40 min
Jul 26, 1:57 PM EDT	Severe Thunderstorm Warning	PBZ	Coshocton, Guernsey, Muskingum, Tuscarawas	63 min
Jul 26, 1:58 PM EDT	Severe Thunderstorm Warning	CLE	Stark	47 min
Jul 26, 2:09 PM EDT	Severe Thunderstorm Warning	PBZ	Butler, Clarion, Forest, Lawrence, Mercer, Venango	81 min
Jul 26, 2:12 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus	48 min
Jul 26, 2:18 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus	42 min
Jul 26, 2:23 PM EDT	Tornado Warning	PBZ	Clarion, Forest, Jefferson, Venango	37 min
Jul 26, 2:25 PM EDT	Severe Thunderstorm Warning	CTP	Warren	35 min
Jul 26, 2:28 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning	47 min
Jul 26, 2:35 PM EDT	Severe Thunderstorm Warning	PBZ	Columbiana	40 min
Jul 26, 2:39 PM EDT	Severe Thunderstorm Warning	BUF	Allegany	51 min
Jul 26, 2:39 PM EDT	Severe Thunderstorm Warning	PBZ	Carroll, Harrison, Jefferson, Tuscarawas	66 min
Jul 26, 2:51 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Centre, Clearfield, Clinton, Elk, McKean and 3 more	69 min
Jul 26, 2:51 PM EDT	Tornado Warning	CTP	McKean, Potter	39 min
Jul 26, 2:52 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont, Guernsey, Monroe, Muskingum, Noble	38 min
Jul 26, 2:54 PM EDT	Severe Thunderstorm Warning	PBZ	Carroll, Columbiana, Harrison, Jefferson, Tuscarawas	43 min
Jul 26, 2:56 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	34 min
Jul 26, 3:01 PM EDT	Severe Thunderstorm Warning	ILN	Champaign, Clark, Greene, Miami, Montgomery	44 min
Jul 26, 3:06 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Beaver, Butler, Clarion, Indiana, Jefferson and 1 more	69 min
Jul 26, 3:08 PM EDT	Severe Thunderstorm Warning	ILN	Montgomery, Preble	52 min
Jul 26, 3:09 PM EDT	Severe Thunderstorm Warning	PBZ	Columbiana	66 min
Jul 26, 3:10 PM EDT	Severe Thunderstorm Warning	CLE	Summit	50 min
Jul 26, 3:15 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont, Guernsey, Harrison, Jefferson	45 min
Jul 26, 3:19 PM EDT	Severe Thunderstorm Warning	RLX	Morgan	21 min
Jul 26, 3:22 PM EDT	Tornado Warning	CTP	Potter, Tioga	53 min
Jul 26, 3:23 PM EDT	Severe Thunderstorm Warning	ILN	Campbell	52 min
Jul 26, 3:24 PM EDT	Severe Thunderstorm Warning	PBZ	Monroe, Muskingum, Noble	51 min
Jul 26, 3:29 PM EDT	Severe Thunderstorm Warning	ILN	Champaign, Delaware, Franklin, Madison, Union	46 min
Jul 26, 3:29 PM EDT	Severe Thunderstorm Warning	CTP	Clinton, Lycoming, Potter, Sullivan, Tioga	91 min
Jul 26, 3:30 PM EDT	Tornado Warning	PBZ	Jefferson	45 min
Jul 26, 3:36 PM EDT	Severe Thunderstorm Warning	ILN	Clark, Fayette, Greene, Madison, Montgomery	39 min
Jul 26, 3:37 PM EDT	Severe Thunderstorm Warning	PBZ	Harrison, Jefferson	38 min
Jul 26, 3:42 PM EDT	Severe Thunderstorm Warning	ILN	Boone, Campbell, Kenton	48 min
Jul 26, 3:46 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Centre, Clearfield, Clinton, Columbia, Lycoming and 6 more	74 min
Jul 26, 3:47 PM EDT	Severe Thunderstorm Warning	ILN	Delaware, Franklin, Licking, Madison, Union	43 min
Jul 26, 3:51 PM EDT	Severe Thunderstorm Warning	ILN	Franklin, Madison, Pickaway	39 min
Jul 26, 3:53 PM EDT	Severe Thunderstorm Warning	CLE	Knox, Morrow	52 min
Jul 26, 3:54 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Cambria, Centre, Clearfield, Huntingdon, Mifflin	66 min
Jul 26, 4:01 PM EDT	Severe Thunderstorm Warning	CLE	Knox	44 min
Jul 26, 4:02 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Armstrong, Butler, Indiana, Westmoreland	58 min
Jul 26, 4:05 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Washington	40 min
Jul 26, 4:09 PM EDT	Severe Thunderstorm Warning	ILN	Fairfield, Licking	66 min
Jul 26, 4:14 PM EDT	Severe Thunderstorm Warning	ILN	Fayette, Madison	31 min
Jul 26, 4:14 PM EDT	Severe Thunderstorm Warning	ILN	Brown, Clermont, Clinton, Highland	46 min
Jul 26, 4:16 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Armstrong, Butler, Indiana, Jefferson, Westmoreland	59 min
Jul 26, 4:19 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Washington, Westmoreland	41 min
Jul 26, 4:24 PM EDT	Severe Thunderstorm Warning	PBZ	Coshocton, Guernsey, Muskingum, Tuscarawas	66 min
Jul 26, 4:25 PM EDT	Severe Thunderstorm Warning	ILN	Fairfield, Fayette, Franklin, Hocking, Licking, Madison and 1 more	65 min
Jul 26, 4:41 PM EDT	Tornado Warning	CTP	Columbia, Lycoming, Montour, Northumberland	34 min
Jul 26, 4:42 PM EDT	Severe Thunderstorm Warning	ILN	Adams, Fayette, Highland, Hocking, Pickaway, Pike and 1 more	48 min
Jul 26, 4:43 PM EDT	Severe Thunderstorm Warning	RLX	Athens, Morgan, Perry, Vinton, Washington	62 min
Jul 26, 4:48 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair, Cambria, Centre, Clearfield, Fulton and 5 more	57 min
Jul 26, 4:49 PM EDT	Severe Thunderstorm Warning	CLE	Holmes	41 min
Jul 26, 4:53 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Huntingdon, Juniata, Mifflin, Northumberland, Snyder and 1 more	67 min
Jul 26, 4:54 PM EDT	Severe Thunderstorm Warning	ILN	Bracken, Lewis, Mason	66 min
Jul 26, 4:54 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Fayette, Indiana, Westmoreland	66 min
Jul 26, 4:56 PM EDT	Severe Thunderstorm Warning	PBZ	Monroe, Noble	64 min
Jul 26, 4:58 PM EDT	Severe Thunderstorm Warning	CTP	Columbia	32 min
Jul 26, 4:59 PM EDT	Severe Thunderstorm Warning	ILN	Hocking	46 min
Jul 26, 5:01 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Greene, Washington	44 min
Jul 26, 5:06 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Montour, Northumberland, Schuylkill, Snyder, Sullivan	84 min
Jul 26, 5:09 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Cumberland, Dauphin, Huntingdon, Juniata, Lancaster and 8 more	81 min
Jul 26, 5:09 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana, Westmoreland	51 min
Jul 26, 5:18 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 5 more	72 min
Jul 26, 5:19 PM EDT	Severe Thunderstorm Warning	RLX	Athens, Gallia, Jackson, Meigs, Morgan, Vinton and 1 more	56 min
Jul 26, 5:24 PM EDT	Severe Thunderstorm Warning	RLX	Washington	51 min
Jul 26, 5:26 PM EDT	Severe Thunderstorm Warning	ILN	Hocking, Pike, Ross	49 min
Jul 26, 5:30 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair, Cambria, Cumberland, Franklin, Fulton and 5 more	60 min
Jul 26, 5:37 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Greene, Washington, Westmoreland	53 min
Jul 26, 5:42 PM EDT	Severe Thunderstorm Warning	RLX	Athens, Morgan, Vinton, Washington	63 min
Jul 26, 5:46 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Montour, Northumberland, Schuylkill	74 min
Jul 26, 5:50 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Greene	55 min
Jul 26, 5:53 PM EDT	Severe Thunderstorm Warning	CLE	Erie, Lorain	36 min
Jul 26, 5:53 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana, Westmoreland	47 min
Jul 26, 5:55 PM EDT	Severe Thunderstorm Warning	CLE	Portage	37 min
Jul 26, 5:56 PM EDT	Severe Thunderstorm Warning	ILN	Lewis, Mason	64 min
Jul 26, 6:01 PM EDT	Severe Thunderstorm Warning	PBZ	Carroll, Harrison, Jefferson	74 min
Jul 26, 6:03 PM EDT	Severe Thunderstorm Warning	RLX	Athens, Gallia, Jackson, Meigs, Morgan, Vinton and 1 more	57 min
Jul 26, 6:04 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, Franklin, Perry, York	56 min
Jul 26, 6:13 PM EDT	Severe Thunderstorm Warning	ILN	Clinton, Fayette, Greene, Highland	26 min
Jul 26, 6:16 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning	35 min
Jul 26, 6:17 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Greene, Washington, Westmoreland	58 min
Jul 26, 6:24 PM EDT	Severe Thunderstorm Warning	PBZ	Columbiana	33 min
Jul 26, 6:26 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair, Cambria, Cumberland, Franklin, Fulton and 5 more	64 min
Jul 26, 6:33 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, Dauphin, Lancaster, Lebanon, Schuylkill and 1 more	57 min
Jul 26, 6:37 PM EDT	Severe Thunderstorm Warning	PBZ	Garrett	68 min
Jul 26, 6:38 PM EDT	Severe Thunderstorm Warning	RLX	Athens, Meigs, Washington	37 min
Jul 26, 6:41 PM EDT	Severe Thunderstorm Warning	PBZ	Greene	49 min
Jul 26, 6:48 PM EDT	Flash Flood Warning	PBZ	Marion, Monongalia	2 hr
Jul 26, 6:49 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Fayette, Washington, Westmoreland	56 min
Jul 26, 6:50 PM EDT	Severe Thunderstorm Warning	RLX	Boyd, Greenup	40 min
Jul 26, 6:50 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Geauga, Lake	40 min
Jul 26, 6:56 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, Franklin, York	49 min
Jul 26, 6:56 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Indiana, Westmoreland	49 min
Jul 26, 7:05 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette	55 min
Jul 26, 7:07 PM EDT	Severe Thunderstorm Warning	ILN	Highland, Pike, Ross	38 min
Jul 26, 7:10 PM EDT	Severe Thunderstorm Warning	RLX	Gallia, Lawrence	50 min
Jul 26, 7:16 PM EDT	Severe Thunderstorm Warning	RLX	Barbour, Braxton, Calhoun, Doddridge, Gilmer, Harrison and 8 more	44 min
Jul 26, 7:19 PM EDT	Severe Thunderstorm Warning	ILN	Adams, Brown, Highland, Pike	41 min
Jul 26, 7:20 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair, Cambria, Huntingdon, Somerset	70 min
Jul 26, 7:22 PM EDT	Severe Thunderstorm Warning	ILN	Clermont, Clinton, Highland, Warren	24 min
Jul 26, 7:23 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Lancaster, York	52 min
Jul 26, 7:25 PM EDT	Severe Thunderstorm Warning	PBZ	Garrett	80 min
Jul 26, 7:26 PM EDT	Severe Thunderstorm Warning	RLX	Gallia, Lawrence	49 min
Jul 26, 7:27 PM EDT	Severe Thunderstorm Warning	ILN	Boone, Campbell, Kenton	45 min
Jul 26, 7:46 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Cambria, Centre, Clearfield, Huntingdon	59 min
Jul 26, 7:52 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Cumberland, Franklin, Fulton, Huntingdon, Juniata and 3 more	53 min
Jul 26, 7:56 PM EDT	Severe Thunderstorm Warning	ILN	Carroll, Gallatin, Grant, Owen	49 min
Jul 26, 7:58 PM EDT	Severe Thunderstorm Warning	RLX	Cabell, Jackson, Kanawha, Mason, Putnam, Roane	47 min
Jul 26, 8:24 PM EDT	Severe Thunderstorm Warning	ILN	Boone, Campbell, Gallatin, Grant, Kenton, Pendleton	19 min
Jul 26, 8:44 PM EDT	Severe Thunderstorm Warning	RLX	Braxton, Calhoun, Clay, Gilmer, Kanawha, Nicholas and 2 more	31 min
Jul 26, 9:59 PM EDT	Flash Flood Warning	ILN	Lewis, Mason	6 hr

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 5.3 hours before the alert went out and 132 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2136 J/kg
Mixed-layer CIN: -101 J/kg
Mixed-layer LCL: 847 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 284 m²/s²
0-3 km storm-relative helicity: 277 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 13.9

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 26, 2:40 AM EDT	Mesoscale Discussion	SPC	Elkhart, LaGrange, Lake, LaPorte, Porter, Saint Joseph and 1 more	65 min
Jul 26, 12:26 PM EDT	Mesoscale Discussion	SPC	Bartholomew, Blackford, Brown, Clark, Clay, Crawford and 37 more	2 hr
Jul 26, 2:46 PM EDT	Severe Thunderstorm Watch	SPC	Bartholomew, Brown, Clark, Clay, Crawford, Daviess and 29 more	10 hr
Jul 26, 4:55 PM EDT	Mesoscale Discussion	SPC	Bartholomew, Brown, Clark, Clay, Crawford, Daviess and 29 more	35 min
Jul 26, 7:29 PM EDT	Mesoscale Discussion	SPC	Posey	61 min
Jul 26, 2:25 PM EDT	Mesoscale Discussion	SPC	Ballard, Carlisle, Livingston, McCracken	65 min
Jul 26, 3:37 PM EDT	Mesoscale Discussion	SPC	Boone, Boyd, Bracken, Campbell, Carter, Fleming and 8 more	113 min
Jul 26, 4:57 PM EDT	Mesoscale Discussion	SPC	Bath, Bourbon, Breathitt, Carter, Casey, Clark and 30 more	2 hr
Jul 26, 6:06 PM EDT	Mesoscale Discussion	SPC	Boyd, Greenup, Lewis	84 min
Jul 26, 6:26 PM EDT	Severe Thunderstorm Watch	SPC	Bath, Boyd, Breathitt, Carter, Clay, Elliott and 24 more	7 hr
Jul 26, 3:08 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Charles and 14 more	2 hr
Jul 26, 5:54 PM EDT	Severe Thunderstorm Watch	SPC	Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 17 more	6 hr
Jul 26, 1:15 AM EDT	Mesoscale Discussion	SPC	Allegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 4 more	2 hr
Jul 26, 4:31 AM EDT	Mesoscale Discussion	SPC	Allegany, Cattaraugus, Chautauqua, Chemung, Livingston, Ontario and 5 more	89 min
Jul 26, 1:50 PM EDT	Mesoscale Discussion	SPC	Albany, Broome, Chemung, Chenango, Columbia, Cortland and 22 more	115 min
Jul 26, 2:10 PM EDT	Tornado Watch	SPC	Albany, Broome, Cayuga, Chemung, Chenango, Columbia and 26 more	6 hr
Jul 26, 3:57 PM EDT	Severe Thunderstorm Watch	SPC	Bronx, Kings, Nassau, New York, Orange, Putnam and 5 more	6 hr
Jul 26, 6:04 PM EDT	Mesoscale Discussion	SPC	Bronx, Columbia, Dutchess, Kings, Nassau, New York and 9 more	86 min
Jul 26, 7:28 PM EDT	Mesoscale Discussion	SPC	Bronx, Dutchess, Kings, Nassau, New York, Putnam and 5 more	92 min

Nearby

Severe Thunderstorm Watches in Ohio, 2012 Severe Thunderstorm Watches in Pennsylvania, 2012 Severe Thunderstorm Watches in West Virginia, 2012 Every severe thunderstorm watch in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.