Alert archive / New York / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 55, NWS Binghamton, NY
NWS Binghamton, NY issued this severe thunderstorm warning at Jun 21, 2021, 5:59 PM EDT for 5 counties in New York. It was in force for 61 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
- Jun 21, 2021, 5:59 PM EDT (21:59 UTC)
- Expired
- Jun 21, 2021, 7:00 PM EDT
- In force
- 61 min
- Issued by
- NWS Binghamton, NY
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 70.0 mph
Counties Broome County, NY, Chenango County, NY, Cortland County, NY, Tioga County, NY, Tompkins County, NY
The radar
The Binghamton radar (KBGM), 36 km from the middle of the area, began a volume at 21:58 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 |
|---|---|---|---|
| Jun 21, 6:05 PM EDT | TSTM WND DMG | 1 N Freetown Corners, NY | APPROXIMATELY 5 TREES DOWN, ONE FELL ON GARAGE CAUSING ROOF DAMAGE. CHICKEN COOPS HEAVILY DAMAGED OR DESTROYED. TIME IS ESTIMATED BY RADAR. |
| Jun 21, 6:05 PM EDT | TSTM WND DMG | Harford, NY | TREES AND WIRES DOWN. ALSO IN MARATHON AND VIRGIL. TIME ESTIMATED FROM RADAR. |
| Jun 21, 6:35 PM EDT | TSTM WND DMG | Cincinnatus, NY | TREES AND WIRES DOWN. TIME ESTIMATED FROM RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 21, 1:11 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 10.0 hours before the alert went out and 159 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
- 524 J/kg
- Mixed-layer CIN
- -118 J/kg
- Mixed-layer LCL
- 990 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 192 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.4
The text
As transmitted.
555
WUUS51 KBGM 212159
SVRBGM
NYC007-017-023-107-109-212300-
/O.NEW.KBGM.SV.W.0055.210621T2159Z-210621T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Binghamton NY
559 PM EDT Mon Jun 21 2021
The National Weather Service in Binghamton has issued a
* Severe Thunderstorm Warning for...
Northwestern Broome County in central New York...
Cortland County in central New York...
Northeastern Tioga County in central New York...
Southeastern Tompkins County in central New York...
Northwestern Chenango County in central New York...
* Until 700 PM EDT.
* At 557 PM EDT, a severe thunderstorm was located near Harford, or
7 miles west of Marathon, moving east at 40 mph. Radar continues
to indicate a dangerous microburst and broad rotation over
southwestern Cortland County.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
* Locations impacted include...
Cortland, Norwich, Homer, Caroline, Virgil, Dryden, Plymouth, North
Norwich, Greene and Oxford.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Binghamton.
&&
LAT...LON 4229 7578 4228 7654 4268 7614 4261 7534
4259 7533 4258 7533
TIME...MOT...LOC 2157Z 259DEG 36KT 4243 7617
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
$$
MWG2 follow-up statements
450
WWUS51 KBGM 212210
SVSBGM
Severe Weather Statement
National Weather Service Binghamton NY
610 PM EDT Mon Jun 21 2021
NYC007-017-023-107-109-212300-
/O.CON.KBGM.SV.W.0055.000000T0000Z-210621T2300Z/
Broome NY-Cortland NY-Tioga NY-Tompkins NY-Chenango NY-
610 PM EDT Mon Jun 21 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR NORTHWESTERN BROOME...CORTLAND...NORTHEASTERN TIOGA...
SOUTHEASTERN TOMPKINS AND NORTHWESTERN CHENANGO COUNTIES...
At 610 PM EDT, a severe thunderstorm was located over Marathon,
moving east at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Cortland, Norwich, Homer, Caroline, Virgil, Dryden, Plymouth, North
Norwich, Greene and Oxford.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Binghamton.
&&
LAT...LON 4229 7578 4228 7654 4268 7614 4261 7534
4259 7533 4258 7533
TIME...MOT...LOC 2210Z 259DEG 36KT 4245 7600
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
MWG802
WWUS51 KBGM 212236
SVSBGM
Severe Weather Statement
National Weather Service Binghamton NY
636 PM EDT Mon Jun 21 2021
NYC109-212245-
/O.CAN.KBGM.SV.W.0055.000000T0000Z-210621T2300Z/
Tompkins NY-
636 PM EDT Mon Jun 21 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN TOMPKINS COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning moved out of the
warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
central New York. A Severe Thunderstorm Watch also remains in effect
until 1100 PM EDT for central New York.
LAT...LON 4229 7578 4229 7624 4265 7603 4261 7534
4259 7533 4258 7533
TIME...MOT...LOC 2235Z 259DEG 36KT 4250 7566
$$
NYC007-017-023-107-212300-
/O.CON.KBGM.SV.W.0055.000000T0000Z-210621T2300Z/
Broome NY-Cortland NY-Tioga NY-Chenango NY-
636 PM EDT Mon Jun 21 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR NORTHWESTERN BROOME...SOUTHEASTERN CORTLAND...NORTHEASTERN TIOGA
AND NORTHWESTERN CHENANGO COUNTIES...
At 635 PM EDT, a severe thunderstorm was located near Oxford, or 7
miles west of Norwich, moving east at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Norwich, Plymouth, North Norwich, Greene, Oxford, Berkshire,
Richford, Solon, Cincinnatus and Preston.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Binghamton.
&&
LAT...LON 4229 7578 4229 7624 4265 7603 4261 7534
4259 7533 4258 7533
TIME...MOT...LOC 2235Z 259DEG 36KT 4250 7566
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
MWGThe office that day
Everything else NWS Binghamton, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 8:25 PM EDT | Special Weather Statement | BGM | Cortland | 50 min |
| Jun 20, 11:49 PM EDT | Special Weather Statement | BGM | Chemung | 26 min |
| Jun 21, 12:14 AM EDT | Special Weather Statement | BGM | Tompkins | 31 min |
| Jun 21, 1:29 AM EDT | Special Weather Statement | BGM | Tompkins | 31 min |
| Jun 21, 1:45 AM EDT | Special Weather Statement | BGM | Steuben | 30 min |
| Jun 21, 2:25 AM EDT | Special Weather Statement | BGM | Steuben | 35 min |
| Jun 21, 2:41 AM EDT | Severe Thunderstorm Warning | BGM | Steuben | 34 min |
| Jun 21, 3:42 AM EDT | Special Weather Statement | BGM | Madison | 33 min |
| Jun 21, 6:17 AM EDT | Special Weather Statement | BGM | Yates | 28 min |
| Jun 21, 6:36 AM EDT | Special Weather Statement | BGM | Cayuga, Seneca, Yates | 39 min |
| Jun 21, 1:45 PM EDT | Special Weather Statement | BGM | Oneida | 30 min |
| Jun 21, 1:58 PM EDT | Special Weather Statement | BGM | Onondaga | 32 min |
| Jun 21, 2:00 PM EDT | Special Weather Statement | BGM | Cortland | 30 min |
| Jun 21, 2:07 PM EDT | Severe Thunderstorm Warning | BGM | Cortland, Madison, Onondaga | 53 min |
| Jun 21, 3:02 PM EDT | Special Weather Statement | BGM | Madison | 58 min |
| Jun 21, 3:23 PM EDT | Special Weather Statement | BGM | Cortland, Tompkins | 37 min |
| Jun 21, 3:26 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Cortland, Onondaga, Tompkins | 64 min |
| Jun 21, 3:28 PM EDT | Special Weather Statement | BGM | Oneida | 47 min |
| Jun 21, 3:29 PM EDT | Severe Thunderstorm Warning | BGM | Steuben | 61 min |
| Jun 21, 3:33 PM EDT | Severe Thunderstorm Warning | BGM | Madison, Oneida | 42 min |
| Jun 21, 3:33 PM EDT | Severe Thunderstorm Warning | BGM | Oneida | 26 min |
| Jun 21, 4:10 PM EDT | Severe Thunderstorm Warning | BGM | Cortland, Madison, Oneida, Onondaga | 35 min |
| Jun 21, 4:16 PM EDT | Severe Thunderstorm Warning | BGM | Schuyler, Seneca, Steuben, Yates | 44 min |
| Jun 21, 4:41 PM EDT | Severe Thunderstorm Warning | BGM | Madison, Oneida, Onondaga | 64 min |
| Jun 21, 4:42 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Chemung, Schuyler, Seneca, Steuben, Tompkins | 48 min |
| Jun 21, 4:53 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Onondaga | 67 min |
| Jun 21, 5:18 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Cayuga, Chemung, Cortland, Tioga, Tompkins | 42 min |
| Jun 21, 5:28 PM EDT | Severe Thunderstorm Warning | BGM | Oneida | 47 min |
| Jun 21, 5:34 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Chenango, Cortland, Madison, Onondaga | 56 min |
| Jun 21, 6:05 PM EDT | Severe Thunderstorm Warning | BGM | Chenango, Cortland, Madison, Oneida, Onondaga | 55 min |
| Jun 21, 6:08 PM EDT | Special Weather Statement | BGM | Broome, Tioga | 52 min |
| Jun 21, 6:56 PM EDT | Severe Thunderstorm Warning | BGM | Chenango, Otsego | 64 min |
| Jun 21, 7:18 PM EDT | Special Weather Statement | BGM | Delaware | 27 min |
| Jun 21, 7:35 PM EDT | Severe Thunderstorm Warning | BGM | Delaware | 40 min |
| Jun 21, 7:47 PM EDT | Severe Thunderstorm Warning | BGM | Chenango, Delaware, Otsego | 39 min |
| Jun 21, 7:56 PM EDT | Severe Thunderstorm Warning | BGM | Sullivan | 64 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.