Alert archive / New York / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 183, NWS Binghamton, NY
NWS Binghamton, NY issued this severe thunderstorm warning at Jul 17, 2021, 4:57 PM EDT for 4 counties in New York. It was in force for 33 min. 5 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
- Jul 17, 2021, 4:57 PM EDT (20:57 UTC)
- Expired
- Jul 17, 2021, 5:30 PM EDT
- In force
- 33 min
- Issued by
- NWS Binghamton, NY
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Broome County, NY, Cortland County, NY, Tioga County, NY, Tompkins County, NY
The radar
The Binghamton radar (KBGM), 29 km from the middle of the area, began a volume at 21:00 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 |
|---|---|---|---|
| Jul 17, 5:00 PM EDT | HAIL 1 | 1 Se Harford, NY | |
| Jul 17, 5:06 PM EDT | TSTM WND DMG | 1 Ese Harford, NY | TREES DOWN AND ROOF DAMAGE AT A MOBILE HOME PARK. TIME ESTIMATED BY RADAR. |
| Jul 17, 5:15 PM EDT | HAIL 1 | 2 Se Harford, NY | |
| Jul 17, 5:21 PM EDT | TSTM WND DMG | 1 Nne Slaterville Spgs, NY | TREES AND WIRES DOWN ON ROAD. TIME ESTIMATED BY RADAR. |
| Jul 17, 5:35 PM EDT | HAIL 2 | 2 N Whitney Point, NY |
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 |
|---|---|---|---|
| Jul 17, 1:13 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 9.0 hours before the alert went out and 199 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
- 958 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 163 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
442
WUUS51 KBGM 172057
SVRBGM
NYC007-023-107-109-172130-
/O.NEW.KBGM.SV.W.0183.210717T2057Z-210717T2130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Binghamton NY
457 PM EDT Sat Jul 17 2021
The National Weather Service in Binghamton has issued a
* Severe Thunderstorm Warning for...
Northwestern Broome County in central New York...
Southwestern Cortland County in central New York...
Northeastern Tioga County in central New York...
Southeastern Tompkins County in central New York...
* Until 530 PM EDT.
* At 457 PM EDT, a severe thunderstorm was located over Caroline, or
11 miles southeast of Ithaca, moving northeast at 25 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Caroline, Virgil, Richford, Harford, Marathon, Lapeer, Lisle,
Slaterville Springs, Hunts Corners and West Slaterville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4231 7634 4243 7639 4257 7609 4236 7596
TIME...MOT...LOC 2057Z 244DEG 21KT 4237 7630
HAIL...1.25IN
WIND...60MPH
$$
Kistner2 follow-up statements
421
WWUS51 KBGM 172100
SVSBGM
Severe Weather Statement
National Weather Service Binghamton NY
500 PM EDT Sat Jul 17 2021
NYC007-023-107-109-172130-
/O.CON.KBGM.SV.W.0183.000000T0000Z-210717T2130Z/
Broome NY-Cortland NY-Tioga NY-Tompkins NY-
500 PM EDT Sat Jul 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR NORTHWESTERN BROOME...SOUTHWESTERN CORTLAND...NORTHEASTERN TIOGA
AND SOUTHEASTERN TOMPKINS COUNTIES...
At 500 PM EDT, a severe thunderstorm was located over Caroline, or 10
miles southeast of Ithaca, moving northeast at 25 mph.
HAZARD...Golf ball size hail and 70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
Locations impacted include...
Caroline, Virgil, Richford, Harford, Marathon, Lapeer, Lisle,
Slaterville Springs, Hunts Corners and West Slaterville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This thunderstorm is capable of producing all types of severe weather
including extremely large hail, destructive straight line winds and
tornadoes. Move quickly to a safe shelter, such as an interior room,
a bathroom or closet or basement.
&&
LAT...LON 4231 7634 4243 7639 4257 7609 4236 7596
TIME...MOT...LOC 2100Z 244DEG 21KT 4236 7632
TORNADO...POSSIBLE
HAIL...1.75IN
WIND...70MPH
$$
Kistner416
WWUS51 KBGM 172117
SVSBGM
Severe Weather Statement
National Weather Service Binghamton NY
517 PM EDT Sat Jul 17 2021
NYC109-172127-
/O.CAN.KBGM.SV.W.0183.000000T0000Z-210717T2130Z/
Tompkins NY-
517 PM EDT Sat Jul 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN TOMPKINS COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
central New York.
LAT...LON 4257 7609 4236 7596 4232 7624 4249 7626
TIME...MOT...LOC 2117Z 244DEG 21KT 4240 7620
$$
NYC007-023-107-172130-
/O.CON.KBGM.SV.W.0183.000000T0000Z-210717T2130Z/
Broome NY-Cortland NY-Tioga NY-
517 PM EDT Sat Jul 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR NORTHWESTERN BROOME...SOUTHWESTERN CORTLAND AND NORTHEASTERN
TIOGA COUNTIES...
At 517 PM EDT, a severe thunderstorm was located over Harford, or 8
miles west of Marathon, moving northeast at 25 mph.
HAZARD...70 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
Locations impacted include...
Virgil, Richford, Harford, Marathon, Lapeer, Lisle, Hunts Corners and
Center Lisle.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This thunderstorm is capable of producing all types of severe weather
including extremely large hail, destructive straight line winds and
tornadoes. Move quickly to a safe shelter, such as an interior room,
a bathroom or closet or basement.
&&
LAT...LON 4257 7609 4236 7596 4232 7624 4249 7626
TIME...MOT...LOC 2117Z 244DEG 21KT 4240 7620
TORNADO...POSSIBLE
HAIL...1.25IN
WIND...70MPH
$$
KistnerThe office that day
Everything else NWS Binghamton, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 9:39 AM EDT | Special Weather Statement | BGM | Schuyler, Steuben, Yates | 36 min |
| Jul 17, 12:42 PM EDT | Special Weather Statement | BGM | Otsego | 48 min |
| Jul 17, 1:29 PM EDT | Special Weather Statement | BGM | Otsego | 31 min |
| Jul 17, 1:32 PM EDT | Areal Flood Advisory | BGM | Otsego | 98 min |
| Jul 17, 2:04 PM EDT | Severe Thunderstorm Warning | BGM | Steuben | 56 min |
| Jul 17, 2:14 PM EDT | Areal Flood Advisory | BGM | Steuben | 110 min |
| Jul 17, 2:27 PM EDT | Tornado Warning | BGM | Steuben | 33 min |
| Jul 17, 2:57 PM EDT | Severe Thunderstorm Warning | BGM | Steuben | 48 min |
| Jul 17, 3:05 PM EDT | Areal Flood Advisory | BGM | Steuben | 115 min |
| Jul 17, 3:20 PM EDT | Areal Flood Advisory | BGM | Delaware, Sullivan | 117 min |
| Jul 17, 3:42 PM EDT | Special Weather Statement | BGM | Schuyler | 33 min |
| Jul 17, 3:50 PM EDT | Areal Flood Advisory | BGM | Delaware | 86 min |
| Jul 17, 3:59 PM EDT | Special Weather Statement | BGM | Delaware | 46 min |
| Jul 17, 4:01 PM EDT | Areal Flood Advisory | BGM | Chemung, Schuyler, Steuben, Tompkins | 63 min |
| Jul 17, 4:16 PM EDT | Special Weather Statement | BGM | Tompkins | 29 min |
| Jul 17, 4:30 PM EDT | Severe Thunderstorm Warning | BGM | Tompkins | 45 min |
| Jul 17, 4:55 PM EDT | Flash Flood Warning | BGM | Delaware, Sullivan | 4 hr |
| Jul 17, 5:12 PM EDT | Areal Flood Advisory | BGM | Broome, Chemung, Cortland, Schuyler, Tioga, Tompkins | 55 min |
| Jul 17, 5:21 PM EDT | Special Weather Statement | BGM | Delaware | 24 min |
| Jul 17, 5:23 PM EDT | Severe Thunderstorm Warning | BGM | Broome | 67 min |
| Jul 17, 5:24 PM EDT | Severe Thunderstorm Warning | BGM | Tioga, Tompkins | 27 min |
| Jul 17, 5:28 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Chenango, Cortland | 47 min |
| Jul 17, 5:36 PM EDT | Severe Thunderstorm Warning | BGM | Chenango, Delaware, Otsego | 39 min |
| Jul 17, 6:06 PM EDT | Areal Flood Advisory | BGM | Broome, Chemung, Chenango, Cortland, Tioga | 94 min |
| Jul 17, 6:14 PM EDT | Severe Thunderstorm Warning | BGM | Chenango | 31 min |
| Jul 17, 6:20 PM EDT | Tornado Warning | BGM | Chenango, Otsego | 25 min |
| Jul 17, 6:29 PM EDT | Severe Thunderstorm Warning | BGM | Sullivan | 28 min |
| Jul 17, 6:39 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Chenango, Delaware, Tioga | 36 min |
| Jul 17, 6:59 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Chenango, Tioga | 34 min |
| Jul 17, 7:06 PM EDT | Areal Flood Advisory | BGM | Broome, Chenango, Delaware, Otsego | 2 hr |
| Jul 17, 7:23 PM EDT | Flash Flood Warning | BGM | Broome, Chenango, Delaware, Otsego | 2 hr |
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.