Alert archive / New York / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 15, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Jun 13, 2021, 6:42 PM EDT for Niagara County, New York. It was in force for 63 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
- Jun 13, 2021, 6:42 PM EDT (22:42 UTC)
- Expired
- Jun 13, 2021, 7:45 PM EDT
- In force
- 63 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Niagara County, NY
The radar
The Buffalo radar (KBUF), 32 km from the middle of the area, began a volume at 22:43 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 12:00Z, 10.7 hours before the alert went out and 35 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
- 2252 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
939
WUUS51 KBUF 132242
SVRBUF
NYC063-132345-
/O.NEW.KBUF.SV.W.0015.210613T2242Z-210613T2345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
642 PM EDT Sun Jun 13 2021
The National Weather Service in Buffalo has issued a
* Severe Thunderstorm Warning for...
Niagara County in western New York...
* Until 745 PM EDT..
* At 641 PM EDT, a severe thunderstorm was located 5 miles
west of Lewiston, or near Niagara Falls, moving east at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Niagara Falls, Lockport, Newfane, Lewiston, Youngstown, Fort
Niagara State Park, Sanborn, Wilson, Barker and Cambria Center.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
&&
LAT...LON 4337 7854 4311 7853 4308 7907 4311 7906
4312 7907 4314 7904 4317 7905 4325 7906
4326 7907 4327 7907
TIME...MOT...LOC 2241Z 262DEG 33KT 4318 7906
HAIL...1.00IN
WIND...60MPH
$$
EAJ3 follow-up statements
254
WWUS51 KBUF 132309
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
709 PM EDT Sun Jun 13 2021
NYC063-132345-
/O.CON.KBUF.SV.W.0015.000000T0000Z-210613T2345Z/
Niagara NY-
709 PM EDT Sun Jun 13 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR NIAGARA COUNTY...
At 709 PM EDT, a severe thunderstorm was located near Youngstown, or
12 miles northeast of Niagara Falls, moving east at 20 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Niagara Falls, Lockport, Newfane, Lewiston, Youngstown, Fort Niagara
State Park, Sanborn, Wilson, Barker and Cambria Center.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 4337 7854 4311 7853 4308 7907 4311 7906
4312 7907 4314 7904 4317 7905 4325 7906
4326 7907 4327 7907
TIME...MOT...LOC 2309Z 254DEG 19KT 4326 7895
HAIL...0.75IN
WIND...60MPH
$$
EAJ865
WWUS51 KBUF 132334
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
734 PM EDT Sun Jun 13 2021
NYC063-132345-
/O.CON.KBUF.SV.W.0015.000000T0000Z-210613T2345Z/
Niagara NY-
734 PM EDT Sun Jun 13 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR NORTHEASTERN NIAGARA COUNTY...
At 733 PM EDT, a severe thunderstorm was located over Newfane, or 8
miles north of Lockport, moving east at 40 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Newfane, Wilson, Barker, Gasport, Olcott and Appleton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 4318 7853 4321 7885 4331 7885 4334 7872
4337 7854
TIME...MOT...LOC 2333Z 262DEG 33KT 4329 7864
HAIL...0.75IN
WIND...60MPH
$$
EAJ956
WWUS51 KBUF 132348
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
748 PM EDT Sun Jun 13 2021
NYC063-132358-
/O.EXP.KBUF.SV.W.0015.000000T0000Z-210613T2345Z/
Niagara NY-
748 PM EDT Sun Jun 13 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN NIAGARA COUNTY
HAS EXPIRED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been allowed to expire.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Buffalo.
LAT...LON 4318 7853 4321 7885 4331 7885 4334 7872
4337 7854
TIME...MOT...LOC 2348Z 262DEG 33KT 4331 7846
$$
EAJThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 4:24 PM EDT | Special Weather Statement | BUF | Cattaraugus | 36 min |
| Jun 13, 6:29 PM EDT | Special Weather Statement | BUF | Niagara | 46 min |
| Jun 13, 6:31 PM EDT | Special Marine Warning | BUF | 59 min | |
| Jun 13, 7:23 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Niagara | 35 min |
| Jun 13, 7:24 PM EDT | Special Marine Warning | BUF | 66 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.