Alert archive / New York / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 16, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at May 29, 2020, 2:22 PM EDT for 5 counties in New York. It was in force for 53 min. 1 report 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
- May 29, 2020, 2:22 PM EDT (18:22 UTC)
- Expired
- May 29, 2020, 3:15 PM EDT
- In force
- 53 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Allegany County, NY, Cattaraugus County, NY, Erie County, NY, Livingston County, NY, Wyoming County, NY
The radar
The Buffalo radar (KBUF), 74 km from the middle of the area, began a volume at 18:25 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 |
|---|---|---|---|
| May 29, 2:31 PM EDT | TSTM WND DMG | 2 Wsw Delevan, NY | TREE DOWN AT THE INTERSECTION OF MCKINSTRY RD AND BLOCK RD. |
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, 6.4 hours before the alert went out and 71 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1304 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
378 WUUS51 KBUF 291822 SVRBUF NYC003-009-029-051-121-291915- /O.NEW.KBUF.SV.W.0016.200529T1822Z-200529T1915Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Buffalo NY 222 PM EDT Fri May 29 2020 The National Weather Service in Buffalo has issued a * Severe Thunderstorm Warning for... Southern Wyoming County in western New York... Eastern Cattaraugus County in western New York... Southeastern Erie County in western New York... Southwestern Livingston County in western New York... Northern Allegany County in western New York... * Until 315 PM EDT.. * At 222 PM EDT, a severe thunderstorm was located near Ashford and moving northeast at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Letchworth State Park, Ashford, Arcade, Franklinville, Belfast, Cuba, Rushford, Ashford Hollow, Houghton and Chaffee. This includes Interstate 86 near exit 24, and between exits 27 and 28. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4208 7856 4235 7882 4277 7825 4239 7783 TIME...MOT...LOC 1822Z 230DEG 41KT 4234 7855 HAIL...<.75IN WIND...60MPH $$ Reynolds
2 follow-up statements
320 WWUS51 KBUF 291841 SVSBUF Severe Weather Statement National Weather Service Buffalo NY 241 PM EDT Fri May 29 2020 NYC003-009-029-051-121-291915- /O.CON.KBUF.SV.W.0016.000000T0000Z-200529T1915Z/ Wyoming NY-Cattaraugus NY-Erie NY-Livingston NY-Allegany NY- 241 PM EDT Fri May 29 2020 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR SOUTHERN WYOMING...NORTHEASTERN CATTARAUGUS...SOUTHEASTERN ERIE...SOUTHWESTERN LIVINGSTON AND NORTHERN ALLEGANY COUNTIES... At 241 PM EDT, a severe thunderstorm was located near Arcade and moving northeast at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Letchworth State Park, Arcade, Belfast, Rushford, Houghton, Chaffee, Portageville, Yorkshire, Sardinia and Caneadea. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4222 7824 4251 7858 4277 7825 4239 7783 TIME...MOT...LOC 1841Z 230DEG 41KT 4248 7832 HAIL...<.75IN WIND...60MPH $$ Reynolds
898
WWUS51 KBUF 291910
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
310 PM EDT Fri May 29 2020
NYC003-009-029-051-121-291919-
/O.EXP.KBUF.SV.W.0016.000000T0000Z-200529T1915Z/
Wyoming NY-Cattaraugus NY-Erie NY-Livingston NY-Allegany NY-
310 PM EDT Fri May 29 2020
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN WYOMING...
NORTHEASTERN CATTARAUGUS...SOUTHEASTERN ERIE...SOUTHWESTERN
LIVINGSTON AND NORTHERN ALLEGANY COUNTIES WILL EXPIRE AT 315 PM
EDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.
LAT...LON 4222 7824 4251 7858 4277 7825 4239 7783
TIME...MOT...LOC 1909Z 230DEG 41KT 4268 7799
$$
ReynoldsThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 11:03 AM EDT | Special Weather Statement | BUF | Lewis | 27 min |
| May 29, 12:15 PM EDT | Special Marine Warning | BUF | 42 min | |
| May 29, 12:18 PM EDT | Special Marine Warning | BUF | 27 min | |
| May 29, 12:32 PM EDT | Special Weather Statement | BUF | Erie | 43 min |
| May 29, 12:44 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee, Niagara, Wyoming | 46 min |
| May 29, 12:55 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego, Wayne | 21 min |
| May 29, 1:27 PM EDT | Special Weather Statement | BUF | Genesee | 33 min |
| May 29, 1:36 PM EDT | Special Marine Warning | BUF | 24 min | |
| May 29, 1:42 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Oswego | 34 min |
| May 29, 1:43 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Monroe, Orleans, Wayne | 47 min |
| May 29, 1:56 PM EDT | Beach Hazards Statement | BUF | Cayuga, Jefferson, Oswego | 14 hr |
| May 29, 1:57 PM EDT | Small Craft Advisory | BUF | 14 hr | |
| May 29, 1:58 PM EDT | Special Weather Statement | BUF | Cattaraugus | 32 min |
| May 29, 2:07 PM EDT | Special Marine Warning | BUF | 53 min | |
| May 29, 2:13 PM EDT | Special Weather Statement | BUF | Lewis | 32 min |
| May 29, 2:14 PM EDT | Special Weather Statement | BUF | Cattaraugus, Wyoming | 61 min |
| May 29, 2:33 PM EDT | Special Weather Statement | BUF | Wayne | 42 min |
| May 29, 2:39 PM EDT | Special Marine Warning | BUF | 53 min | |
| May 29, 3:03 PM EDT | Special Weather Statement | BUF | Oswego | 42 min |
| May 29, 3:07 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Wayne | 26 min |
| May 29, 3:23 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis, Oswego | 47 min |
| May 29, 3:36 PM EDT | Special Marine Warning | BUF | 54 min | |
| May 29, 3:45 PM EDT | Special Weather Statement | BUF | Chautauqua | 45 min |
| May 29, 4:20 PM EDT | Special Weather Statement | BUF | Lewis | 25 min |
| May 29, 4:35 PM EDT | Special Weather Statement | BUF | Erie | 40 min |
| May 29, 4:40 PM EDT | Special Weather Statement | BUF | Lewis | 50 min |
| May 29, 4:51 PM EDT | Special Marine Warning | BUF | 24 min | |
| May 29, 4:51 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Niagara | 40 min |
Nearby
Severe Thunderstorm Warnings in New York, 2020Every severe thunderstorm warning 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.