Alert archive / New York / Tornado Warnings in 2020

Tornado Warning 6, NWS Buffalo, NY

July 29, 2020Livingston County, Monroe County, Ontario County, New York

NWS Buffalo, NY issued this tornado warning at Jul 29, 2020, 6:50 PM EDT for Livingston County, Monroe County, Ontario County, New York. It was in force for 28 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 29, 2020, 6:50 PM EDT (22:50 UTC)
Expired: Jul 29, 2020, 7:18 PM EDT
In force: 28 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Livingston County, NY, Monroe County, NY, Ontario County, NY

The radar

The Buffalo radar (KBUF), 93 km from the middle of the area, began a volume at 22:52 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 was reported inside it

Time	Report	Where	Remark
Jul 29, 6:50 PM EDT	TSTM WND DMG	1 S Garbutt, NY	LARGE TREE DOWN ACROSS UNION ST
Jul 29, 6:52 PM EDT	TSTM WND DMG	1 Nne Maxwell, NY	LARGE TREE DOWN ACROSS SOUTH RD NEAR SCOTTSVILLE
Jul 29, 6:52 PM EDT	TSTM WND DMG	1 Sse Scottsville, NY	TWO TREES DOWN ON QUAKER RD NEAR RIVER RD
Jul 29, 6:53 PM EDT	TORNADO	Wheatland Center, NY	STORM SURVEY CONFIRMED EF0 TORNADO DAMAGE ALONG THE OATKA CREEK FROM SOUTH OF WHEATLAND CENTER TO SOUTH OF SCOTTSVILLE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 10.8 hours before the alert went out and 90 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: 95 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 995 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 217 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

As transmitted.

214 
WFUS51 KBUF 292250
TORBUF
NYC051-055-069-292330-
/O.NEW.KBUF.TO.W.0006.200729T2250Z-200729T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Buffalo NY
650 PM EDT Wed Jul 29 2020

The National Weather Service in Buffalo has issued a

* Tornado Warning for...
  Northeastern Livingston County in western New York...
  Southeastern Monroe County in western New York...
  Northwestern Ontario County in western New York...

* Until 730 PM EDT..

* At 650 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Scottsville, or 7 miles south of Chili, moving
  east at 30 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Lima around 705 PM EDT.
  Honeoye Falls around 710 PM EDT.
  Victor and Bloomfield around 725 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Industry, Fishers, Martin, Mendon, East Bloomfield, Farmington, West
Bloomfield, Holcomb, Garbutt and Rush.

This includes the following highways...
 Interstate 390 near exit 11.
 Interstate 90 between exits 45 and 44.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4294 7788 4304 7784 4304 7737 4303 7730
      4285 7733
TIME...MOT...LOC 2250Z 276DEG 28KT 4300 7778 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Fries

2 follow-up statements

439 
WWUS51 KBUF 292306
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
706 PM EDT Wed Jul 29 2020

NYC051-292316-
/O.CAN.KBUF.TO.W.0006.000000T0000Z-200729T2330Z/
Livingston NY-
706 PM EDT Wed Jul 29 2020

...THE TORNADO WARNING FOR NORTHEASTERN LIVINGSTON COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 4291 7756 4293 7757 4294 7758 4295 7763
      4301 7761 4303 7730 4285 7733
TIME...MOT...LOC 2306Z 277DEG 41KT 4296 7755 

$$

NYC055-069-292330-
/O.CON.KBUF.TO.W.0006.000000T0000Z-200729T2330Z/
Monroe NY-Ontario NY-
706 PM EDT Wed Jul 29 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR SOUTH
CENTRAL MONROE AND NORTHWESTERN ONTARIO COUNTIES...
    
At 706 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Honeoye Falls, or 10 miles south of East Rochester,
moving east at 45 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Victor and Bloomfield around 715 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Fishers, Mendon, East Bloomfield, Farmington, West Bloomfield and
Holcomb.

 This includes Interstate 90 between exits 45 and 44.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4291 7756 4293 7757 4294 7758 4295 7763
      4301 7761 4303 7730 4285 7733
TIME...MOT...LOC 2306Z 277DEG 41KT 4296 7755 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Fries

658 
WWUS51 KBUF 292318
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
718 PM EDT Wed Jul 29 2020

NYC055-069-292327-
/O.CAN.KBUF.TO.W.0006.000000T0000Z-200729T2330Z/
Monroe NY-Ontario NY-
718 PM EDT Wed Jul 29 2020

...THE TORNADO WARNING FOR SOUTH CENTRAL MONROE AND NORTHWESTERN
ONTARIO COUNTIES IS CANCELLED...
    
The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, damaging winds remain likely and a Severe 
Thunderstorm Warning remains in effect for the area.  

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Buffalo.

Remember, a Severe Thunderstorm Warning still remains in effect for
southern Monroe and northwestern Ontario counties until 745 PM.

LAT...LON 4291 7756 4293 7757 4294 7758 4295 7763
      4301 7761 4303 7730 4285 7733
TIME...MOT...LOC 2316Z 276DEG 28KT 4295 7743 

$$

Fries

The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 29, 4:20 AM EDT	Small Craft Advisory	BUF		16 hr
Jul 29, 10:06 AM EDT	Special Weather Statement	BUF	Erie	54 min
Jul 29, 10:51 AM EDT	Special Weather Statement	BUF	Genesee	54 min
Jul 29, 10:55 AM EDT	Special Marine Warning	BUF		23 min
Jul 29, 11:35 AM EDT	Special Weather Statement	BUF	Livingston	55 min
Jul 29, 11:51 AM EDT	Special Weather Statement	BUF	Wyoming	54 min
Jul 29, 12:21 PM EDT	Special Weather Statement	BUF	Wyoming	39 min
Jul 29, 12:26 PM EDT	Special Weather Statement	BUF	Ontario	34 min
Jul 29, 1:09 PM EDT	Special Weather Statement	BUF	Livingston	36 min
Jul 29, 1:19 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Livingston, Ontario	41 min
Jul 29, 1:28 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	62 min
Jul 29, 1:48 PM EDT	Special Marine Warning	BUF		42 min
Jul 29, 2:10 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua	65 min
Jul 29, 2:13 PM EDT	Special Weather Statement	BUF	Erie	32 min
Jul 29, 2:25 PM EDT	Special Marine Warning	BUF		50 min
Jul 29, 2:49 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus, Erie, Livingston, Wyoming	56 min
Jul 29, 2:53 PM EDT	Special Weather Statement	BUF	Erie, Wyoming	52 min
Jul 29, 3:27 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Wyoming	48 min
Jul 29, 3:41 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Ontario	64 min
Jul 29, 3:45 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Livingston, Ontario	45 min
Jul 29, 4:15 PM EDT	Special Weather Statement	BUF	Monroe	45 min
Jul 29, 4:20 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Ontario, Wayne	40 min
Jul 29, 4:40 PM EDT	Severe Thunderstorm Warning	BUF	Monroe, Wayne	38 min
Jul 29, 4:56 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego, Wayne	64 min
Jul 29, 5:35 PM EDT	Special Weather Statement	BUF	Genesee	25 min
Jul 29, 5:42 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Orleans	48 min
Jul 29, 6:34 PM EDT	Special Weather Statement	BUF	Livingston	26 min
Jul 29, 6:37 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Monroe, Ontario	51 min
Jul 29, 6:41 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Orleans	34 min

Nearby

Tornado Warnings in New York, 2020 Every tornado warning in 2020 Tornadoes in 2020

Sources

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