Alert archive / New York / Special Marine Warnings in 2021
Special Marine Warning 83, NWS Buffalo, NY
NWS Buffalo, NY issued this special marine warning at Aug 10, 2021, 3:49 PM EDT. It was in force for 86 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
- Aug 10, 2021, 3:49 PM EDT (19:49 UTC)
- Expired
- Aug 10, 2021, 5:15 PM EDT
- In force
- 86 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Hail
- 0.0 in
- Wind
- 34.0 mph
The radar
The Buffalo radar (KBUF), 107 km from the middle of the area, began a volume at 19:49 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, 7.8 hours before the alert went out and 105 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
- 116 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 975 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
599
WHUS51 KBUF 101949
SMWBUF
LOZ042-043-062-063-102115-
/O.NEW.KBUF.MA.W.0083.210810T1949Z-210810T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Buffalo NY
349 PM EDT Tue Aug 10 2021
The National Weather Service in Buffalo has issued a
* Special Marine Warning for...
Lake Ontario from Point Breeze to Sodus Bay...
* Until 515 PM EDT.
* At 347 PM EDT, several thunderstorms developing to the south will
move northeast at 25 knots and affect this area through 515 PM
EDT. The strongest storm was located near Corfu, NY.
HAZARD...Wind gusts 34 knots or greater.
SOURCE...Radar.
IMPACT...Small craft could be damaged in briefly higher winds and
suddenly higher waves.
* Locations impacted include...
Sunset Beach, Ontario Beach, Sodus Bay, Irondequoit Bay, Ontario On
The Lake and Hamlin Beach.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to safe harbor until hazardous weather passes.
&&
LAT...LON 4327 7772 4327 7779 4331 7781 4334 7827
4359 7808 4363 7697 4324 7696 4323 7699
4325 7711 4325 7729 4320 7756
TIME...MOT...LOC 1947Z 229DEG 25KT 4304 7839
HAIL...0.00IN
WIND...>34KTS
$$
RSH2 follow-up statements
455
FZUS71 KBUF 102033
MWSBUF
Marine Weather Statement
National Weather Service Buffalo NY
433 PM EDT Tue Aug 10 2021
LOZ042-043-062-063-102115-
/O.CON.KBUF.MA.W.0083.000000T0000Z-210810T2115Z/
433 PM EDT Tue Aug 10 2021
...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 515 PM EDT...
For the following areas...
Lake Ontario from Point Breeze to Sodus Bay...
At 431 PM EDT, a line of thunderstorms was found along the Monroe
county shoreline...while a second line of storms were located along
a line extending from 15 nm south of Sunset Beach to 20 nm south of
Hamlin Beach. All of the activity was moving northeast 25 knots.
HAZARD...Wind gusts 34 knots or greater.
SOURCE...Radar indicated.
IMPACT...Small craft could be damaged in briefly higher winds and
suddenly higher waves.
Locations impacted include...
Sunset Beach, Ontario Beach, Sodus Bay, Irondequoit Bay, Ontario On
The Lake and Hamlin Beach.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to safe harbor until hazardous weather passes.
&&
LAT...LON 4327 7772 4327 7779 4331 7781 4334 7827
4359 7808 4363 7697 4324 7696 4323 7699
4325 7711 4325 7729 4320 7756
TIME...MOT...LOC 2031Z 245DEG 20KT 4312 7837 4305 7797
HAIL...0.00IN
WIND...>34KTS
$$
RSH368
FZUS71 KBUF 102103
MWSBUF
Marine Weather Statement
National Weather Service Buffalo NY
503 PM EDT Tue Aug 10 2021
LOZ042-043-062-063-102115-
/O.CON.KBUF.MA.W.0083.000000T0000Z-210810T2115Z/
503 PM EDT Tue Aug 10 2021
...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 515 PM EDT...
For the following areas...
Lake Ontario from Point Breeze to Sodus Bay...
At 502 PM EDT, a strong thunderstorm was located near Ontario Beach,
moving northeast at 30 knots. A second strong storm was located 5
miles south of Point Breeze.
HAZARD...Wind gusts 34 knots or greater.
SOURCE...Radar indicated.
IMPACT...Small craft could be damaged in briefly higher winds and
suddenly higher waves.
Locations impacted include...
Sunset Beach, Ontario Beach, Sodus Bay, Irondequoit Bay, Ontario On
The Lake and Hamlin Beach.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to safe harbor until hazardous weather passes.
&&
LAT...LON 4327 7772 4327 7779 4331 7783 4334 7827
4359 7808 4363 7697 4324 7696 4323 7699
4325 7711 4325 7729 4320 7756
TIME...MOT...LOC 2102Z 236DEG 29KT 4325 7770
HAIL...0.00IN
WIND...>34KTS
$$
RSHThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 9:13 AM EDT | Special Weather Statement | BUF | Chautauqua | 62 min |
| Aug 10, 5:49 PM EDT | Special Marine Warning | BUF | 41 min | |
| Aug 10, 5:53 PM EDT | Special Marine Warning | BUF | 52 min | |
| Aug 10, 6:29 PM EDT | Special Marine Warning | BUF | 75 min | |
| Aug 10, 7:18 PM EDT | Special Weather Statement | BUF | Oswego | 27 min |
| Aug 10, 7:26 PM EDT | Severe Thunderstorm Warning | BUF | Oswego | 49 min |
Nearby
Special Marine Warnings in New York, 2021Every special marine 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.