Alert archive / New York / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 42, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Aug 6, 2018, 3:17 PM EDT for Monroe County, Wayne County, New York. It was in force for 58 min. 3 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
- Aug 6, 2018, 3:17 PM EDT (19:17 UTC)
- Expired
- Aug 6, 2018, 4:15 PM EDT
- In force
- 58 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Monroe County, NY, Wayne County, NY
The radar
The Buffalo radar (KBUF), 124 km from the middle of the area, began a volume at 19:17 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 |
|---|---|---|---|
| Aug 6, 3:19 PM EDT | TSTM WND DMG | 3 Se Fairport, NY | TREE FELL ON A VEHICLE ALONG MASON RD. |
| Aug 6, 3:36 PM EDT | TSTM WND DMG | 1 W Palmyra, NY | MULTIPLE REPORTS OF TREES DOWN IN MACEDON AND PALMYRA. |
| Aug 6, 3:36 PM EDT | HAIL 0.75 | Macedon, NY |
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, 7.3 hours before the alert went out and 121 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
- 570 J/kg
- Mixed-layer CIN
- -74 J/kg
- Mixed-layer LCL
- 1257 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
748 WUUS51 KBUF 061917 SVRBUF NYC055-117-062015- /O.NEW.KBUF.SV.W.0042.180806T1917Z-180806T2015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Buffalo NY 317 PM EDT MON AUG 6 2018 The National Weather Service in Buffalo has issued a * Severe Thunderstorm Warning for... Wayne County in western New York... East central Monroe County in western New York... * Until 415 PM EDT.. * At 317 PM EDT, a severe thunderstorm was located near Fairport, moving east at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Fairport, Newark, Marion, Lyons, Palmyra, Clyde, Sodus and Chimney Bluffs State Park. # PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4304 7744 4308 7748 4331 7694 4304 7683 TIME...MOT...LOC 1917Z 250DEG 24KT 4306 7737 HAIL...<.75IN WIND...60MPH $$ Apffel
3 follow-up statements
299
WWUS51 KBUF 061933
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
333 PM EDT MON AUG 6 2018
NYC055-061942-
/O.CAN.KBUF.SV.W.0042.000000T0000Z-180806T2015Z/
Monroe NY-
333 PM EDT MON AUG 6 2018
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL MONROE COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4304 7734 4312 7735 4331 7694 4304 7683
TIME...MOT...LOC 1932Z 250DEG 24KT 4310 7723
$$
NYC117-062015-
/O.CON.KBUF.SV.W.0042.000000T0000Z-180806T2015Z/
Wayne NY-
333 PM EDT MON AUG 6 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR WAYNE COUNTY...
At 332 PM EDT, a severe thunderstorm was located over Palmyra, or 10
miles east of Fairport, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Newark, Marion, Lyons, Palmyra, Clyde, Sodus, Chimney Bluffs State
Park and Walworth.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4304 7734 4312 7735 4331 7694 4304 7683
TIME...MOT...LOC 1932Z 250DEG 24KT 4310 7723
HAIL...<.75IN
WIND...60MPH
$$
Apffel922 WWUS51 KBUF 061945 SVSBUF Severe Weather Statement National Weather Service Buffalo NY 345 PM EDT MON AUG 6 2018 NYC117-062015- /O.CON.KBUF.SV.W.0042.000000T0000Z-180806T2015Z/ Wayne NY- 345 PM EDT MON AUG 6 2018 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT FOR SOUTHERN WAYNE COUNTY... At 344 PM EDT, a severe thunderstorm was located near Marion, or 15 miles east of Fairport, moving east at 25 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Newark, Marion, Lyons, Palmyra, Clyde, Rose, Fairville and North Rose. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4304 7724 4314 7726 4326 7692 4304 7683 TIME...MOT...LOC 1944Z 254DEG 21KT 4310 7714 HAIL...0.75IN WIND...60MPH $$ Apffel
560
WWUS51 KBUF 062006
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
406 PM EDT MON AUG 6 2018
NYC117-062015-
/O.EXP.KBUF.SV.W.0042.000000T0000Z-180806T2015Z/
Wayne NY-
406 PM EDT MON AUG 6 2018
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN WAYNE COUNTY WILL
EXPIRE AT 415 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
LAT...LON 4304 7724 4314 7726 4326 7692 4304 7683
TIME...MOT...LOC 2005Z 250DEG 24KT 4315 7697
$$
ApffelThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 2:01 PM EDT | Special Weather Statement | BUF | Livingston, Wyoming | 44 min |
| Aug 6, 2:43 PM EDT | Special Marine Warning | BUF | 62 min | |
| Aug 6, 2:46 PM EDT | Special Weather Statement | BUF | Wyoming | 44 min |
| Aug 6, 2:57 PM EDT | Special Marine Warning | BUF | 63 min | |
| Aug 6, 3:06 PM EDT | Special Weather Statement | BUF | Ontario | 24 min |
| Aug 6, 3:12 PM EDT | Special Marine Warning | BUF | 63 min | |
| Aug 6, 3:21 PM EDT | Special Weather Statement | BUF | Niagara | 54 min |
| Aug 6, 3:34 PM EDT | Special Marine Warning | BUF | 41 min | |
| Aug 6, 4:08 PM EDT | Special Marine Warning | BUF | 52 min | |
| Aug 6, 4:19 PM EDT | Special Weather Statement | BUF | Oswego | 56 min |
| Aug 6, 4:43 PM EDT | Severe Thunderstorm Warning | BUF | Lewis, Oswego | 41 min |
Nearby
Severe Thunderstorm Warnings in New York, 2018Every severe thunderstorm warning in 2018
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.