Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 2, NWS Buffalo, NY

March 26, 20215 counties in New York

NWS Buffalo, NY issued this severe thunderstorm warning at Mar 26, 2021, 7:47 AM EDT for 5 counties in New York. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 26, 2021, 7:47 AM EDT (11:47 UTC)
Expired
Mar 26, 2021, 8:32 AM EDT
In force
45 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Erie County, NY, Genesee County, NY, Monroe County, NY, Niagara County, NY, Orleans County, NY

The radar

The Buffalo radar (KBUF), 57 km from the middle of the area, began a volume at 11:48 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.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 11.8 hours before the alert went out and 56 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-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 00:00Z on 2021-03-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 00:00Z on 2021-03-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2106 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

650 
WUUS51 KBUF 261147
SVRBUF
NYC029-037-055-063-073-261245-
/O.NEW.KBUF.SV.W.0002.210326T1147Z-210326T1245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
747 AM EDT Fri Mar 26 2021

The National Weather Service in Buffalo has issued a

* Severe Thunderstorm Warning for...
  Northeastern Erie County in western New York...
  East central Niagara County in western New York...
  Orleans County in western New York...
  Northwestern Genesee County in western New York...
  Northwestern Monroe County in western New York...

* Until 845 AM EDT..

* At 746 AM EDT, severe thunderstorms were located along a line
  extending from near Lockport to Lancaster, moving northeast at 65
  mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Brockport, Medina, Albion, Hilton, Hamlin Beach State Park, Darien
  Lakes State Park, Pembroke, Oakfield, Akron, Alden and Middleport.

 This includes Interstate 90 near exit 48A.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

This storm contains very little lightning, do not wait for the sound 
of thunder to seek shelter.

&&

LAT...LON 4338 7828 4338 7799 4332 7765 4287 7851
      4333 7850
TIME...MOT...LOC 1146Z 235DEG 57KT 4313 7866 4292 7865 

HAIL...<.75IN
WIND...60MPH
 
$$

Hitchcock
4 follow-up statements
112 
WWUS51 KBUF 261203
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
803 AM EDT Fri Mar 26 2021

NYC029-063-261212-
/O.CAN.KBUF.SV.W.0002.000000T0000Z-210326T1245Z/
Erie NY-Niagara NY-
803 AM EDT Fri Mar 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ERIE AND EAST
CENTRAL NIAGARA COUNTIES IS CANCELLED...

The storms which prompted the warning have moved east and out of
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4293 7840 4334 7846 4338 7828 4338 7799
      4332 7765
TIME...MOT...LOC 1202Z 236DEG 55KT 4326 7838 4305 7835 

$$

NYC037-055-073-261245-
/O.CON.KBUF.SV.W.0002.000000T0000Z-210326T1245Z/
Orleans NY-Genesee NY-Monroe NY-
803 AM EDT Fri Mar 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 AM EDT
FOR ORLEANS...NORTHWESTERN GENESEE AND NORTHWESTERN MONROE
COUNTIES...

At 802 AM EDT, severe thunderstorms were located along a line
extending from near Medina to near Oakfield, moving northeast at 65
mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Brockport, Medina, Albion, Hilton, Hamlin Beach State Park, Oakfield,
Holley, Waterport, Lakeside Beach State Park and Point Breeze.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4293 7840 4334 7846 4338 7828 4338 7799
      4332 7765
TIME...MOT...LOC 1202Z 236DEG 55KT 4326 7838 4305 7835 

HAIL...<.75IN
WIND...60MPH
 
$$

Hitchcock
190 
WWUS51 KBUF 261214
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
814 AM EDT Fri Mar 26 2021

NYC037-055-073-261245-
/O.CON.KBUF.SV.W.0002.000000T0000Z-210326T1245Z/
Orleans NY-Genesee NY-Monroe NY-
814 AM EDT Fri Mar 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 AM EDT
FOR EASTERN ORLEANS...NORTH CENTRAL GENESEE AND NORTHWESTERN MONROE
COUNTIES...

At 814 AM EDT, severe thunderstorms were located along a line
extending from near Point Breeze to near Byron, moving northeast at
70 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Brockport, Albion, Hilton, Hamlin Beach State Park, Holley,
Waterport, Lakeside Beach State Park, Point Breeze, Kent and
Clarendon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

This storm contains very little lightning, do not wait for the sound 
of thunder to seek shelter.

&&

LAT...LON 4338 7828 4338 7799 4332 7765 4302 7822
TIME...MOT...LOC 1214Z 237DEG 59KT 4333 7810 4311 7810 

HAIL...<.75IN
WIND...60MPH
 
$$

Hitchcock
378 
WWUS51 KBUF 261227
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
827 AM EDT Fri Mar 26 2021

NYC037-073-261236-
/O.CAN.KBUF.SV.W.0002.000000T0000Z-210326T1245Z/
Orleans NY-Genesee NY-
827 AM EDT Fri Mar 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN ORLEANS AND NORTH
CENTRAL GENESEE COUNTIES IS CANCELLED...

The storms which prompted the warning have moved east and out of
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4332 7765 4315 7798 4337 7796
TIME...MOT...LOC 1226Z 235DEG 57KT 4337 7788 4321 7790 

$$

NYC055-261245-
/O.CON.KBUF.SV.W.0002.000000T0000Z-210326T1245Z/
Monroe NY-
827 AM EDT Fri Mar 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 AM EDT
FOR NORTHWESTERN MONROE COUNTY...

At 826 AM EDT, severe thunderstorms were located along a line
extending from near Hamlin Beach State Park to near Brockport, moving
northeast at 65 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Brockport, Hilton, Hamlin Beach State Park and Braddock Bay. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

This storm contains very little lightning, do not wait for the sound 
of thunder to seek shelter.

&&

LAT...LON 4332 7765 4315 7798 4337 7796
TIME...MOT...LOC 1226Z 235DEG 57KT 4337 7788 4321 7790 

HAIL...<.75IN
WIND...60MPH
 
$$

Hitchcock
215 
WWUS51 KBUF 261232
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
832 AM EDT Fri Mar 26 2021

NYC055-261242-
/O.CAN.KBUF.SV.W.0002.000000T0000Z-210326T1245Z/
Monroe NY-
832 AM EDT Fri Mar 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN MONROE COUNTY IS
CANCELLED...
    
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning has
been cancelled.

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

LAT...LON 4332 7765 4315 7798 4337 7796
TIME...MOT...LOC 1230Z 235DEG 57KT 4341 7780 4325 7782 

$$

Hitchcock

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 25, 10:02 PM EDTSmall Craft AdvisoryBUF31 hr
Mar 26, 2:27 AM EDTSpecial Weather StatementBUFErie, Wyoming48 min
Mar 26, 7:00 AM EDTSpecial Marine WarningBUF45 min
Mar 26, 7:15 AM EDTSevere Thunderstorm WarningBUFErie, Niagara45 min
Mar 26, 7:54 AM EDTSpecial Marine WarningBUF66 min
Mar 26, 8:00 AM EDTSpecial Weather StatementBUFOswego45 min
Mar 26, 8:50 AM EDTSpecial Marine WarningBUF55 min
Mar 26, 9:44 AM EDTSpecial Marine WarningBUF61 min
Mar 26, 9:58 AM EDTSpecial Weather StatementBUFOswego47 min
Mar 26, 10:38 AM EDTSpecial Weather StatementBUFOswego37 min
Mar 26, 10:44 AM EDTSevere Thunderstorm WarningBUFJefferson, Lewis, Oswego61 min

Nearby

Severe Thunderstorm Warnings in New York, 2021Every severe thunderstorm warning in 2021

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.