Alert archive / New York / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 13, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at May 27, 2015, 7:53 PM EDT for 5 counties in New York. It was in force for 26 min. 2 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
- May 27, 2015, 7:53 PM EDT (23:53 UTC)
- Expired
- May 27, 2015, 8:19 PM EDT
- In force
- 26 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
Counties Genesee County, NY, Livingston County, NY, Monroe County, NY, Ontario County, NY, Wyoming County, NY
The radar
The Buffalo radar (KBUF), 80 km from the middle of the area, began a volume at 23:57 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 27, 8:02 PM EDT | TSTM WND DMG | 3 S Churchville, NY | NUMEROUS POWERLINES DOWN |
| May 27, 8:10 PM EDT | TSTM WND DMG | 3 S Chili Center, NY | NUMEROUS POWERLINES DOWN |
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, 11.9 hours before the alert went out and 77 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
- 47 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 866 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
593 WUUS51 KBUF 272353 SVRBUF NYC037-051-055-069-121-280030- /O.NEW.KBUF.SV.W.0013.150527T2353Z-150528T0030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BUFFALO NY 753 PM EDT WED MAY 27 2015 THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN ONTARIO COUNTY IN WESTERN NEW YORK... NORTHERN LIVINGSTON COUNTY IN WESTERN NEW YORK... SOUTHEASTERN GENESEE COUNTY IN WESTERN NEW YORK... NORTHEASTERN WYOMING COUNTY IN WESTERN NEW YORK... SOUTHERN MONROE COUNTY IN WESTERN NEW YORK... * UNTIL 830 PM EDT * AT 752 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR CALEDONIA...OR 7 MILES NORTHWEST OF GENESEO...AND MOVING EAST AT 40 MPH. * LOCATIONS IMPACTED INCLUDE... ROCHESTER...CHILI...GENESEO...EAST ROCHESTER...FAIRPORT... BRIGHTON...HENRIETTA AND PENFIELD. THIS INCLUDES THE FOLLOWING HIGHWAYS... INTERSTATE 390 BETWEEN EXITS 8 AND 12. INTERSTATE 90 BETWEEN EXITS 47 AND 44. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL... DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 4278 7801 4307 7804 4316 7740 4278 7733 TIME...MOT...LOC 2352Z 255DEG 34KT 4290 7788 $$ CHURCH
2 follow-up statements
079
WWUS51 KBUF 280012
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
812 PM EDT WED MAY 27 2015
NYC037-121-280020-
/O.CAN.KBUF.SV.W.0013.000000T0000Z-150528T0030Z/
GENESEE NY-WYOMING NY-
812 PM EDT WED MAY 27 2015
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GENESEE AND
NORTHEASTERN WYOMING COUNTIES IS CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.
LAT...LON 4285 7788 4309 7791 4316 7740 4281 7734
TIME...MOT...LOC 0010Z 255DEG 34KT 4294 7766
$$
NYC051-055-069-280030-
/O.CON.KBUF.SV.W.0013.000000T0000Z-150528T0030Z/
ONTARIO NY-LIVINGSTON NY-MONROE NY-
812 PM EDT WED MAY 27 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR NORTHWESTERN ONTARIO...NORTHEASTERN LIVINGSTON AND SOUTHERN
MONROE COUNTIES...
AT 810 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR SCOTTSVILLE...OR 6 MILES SOUTH OF CHILI MOVING EAST AT
40 MPH.
LOCATIONS IMPACTED INCLUDE...
ROCHESTER...CHILI...EAST ROCHESTER...FAIRPORT...BRIGHTON...
HENRIETTA...PENFIELD AND AVON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.
&&
LAT...LON 4285 7788 4309 7791 4316 7740 4281 7734
TIME...MOT...LOC 0010Z 255DEG 34KT 4294 7766
$$
CHURCH682
WWUS51 KBUF 280019
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
819 PM EDT WED MAY 27 2015
NYC051-055-069-280028-
/O.CAN.KBUF.SV.W.0013.000000T0000Z-150528T0030Z/
ONTARIO NY-LIVINGSTON NY-MONROE NY-
819 PM EDT WED MAY 27 2015
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ONTARIO...
NORTHEASTERN LIVINGSTON AND SOUTHERN MONROE COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY. THEREFORE THE WARNING HAS BEEN CANCELLED. HOWEVER GUSTY
WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.
LAT...LON 4285 7788 4309 7791 4316 7740 4281 7734
TIME...MOT...LOC 0020Z 255DEG 34KT 4310 7767
$$
CHURCHThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 4:19 AM EDT | Small Craft Advisory | BUF | 15 hr | |
| May 27, 6:03 PM EDT | Special Marine Warning | BUF | 87 min | |
| May 27, 6:19 PM EDT | Special Weather Statement | BUF | Niagara | 41 min |
| May 27, 7:02 PM EDT | Special Marine Warning | BUF | 58 min | |
| May 27, 7:35 PM EDT | Special Weather Statement | BUF | Genesee, Livingston, Wyoming | 40 min |
Nearby
Severe Thunderstorm Warnings in New York, 2015Every severe thunderstorm warning in 2015
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.