Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 89, NWS Binghamton, NY

June 30, 20219 counties in New York

NWS Binghamton, NY issued this severe thunderstorm warning at Jun 30, 2021, 3:28 PM EDT for 9 counties in New York. It was in force for 47 min. 2 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 30, 2021, 3:28 PM EDT (19:28 UTC)
Expired
Jun 30, 2021, 4:15 PM EDT
In force
47 min
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Broome County, NY, Chemung County, NY, Chenango County, NY, Cortland County, NY, Madison County, NY, Otsego County, NY, Schuyler County, NY, Tioga County, NY, Tompkins County, NY

The radar

The Binghamton radar (KBGM), 18 km from the middle of the area, began a volume at 19:31 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

TimeReportWhereRemark
Jun 30, 3:39 PM EDTTSTM WND DMG3 E Newfield, NYTREE DOWN ACROSS ROAD. TIME ESTIMATED BY RADAR.
Jun 30, 4:03 PM EDTTSTM WND DMG1 Ene Richford, NYDISPATCH REPORTS TREES AND POWERLINES DOWN AT HOG HOLLOW ROAD INTERSECTION WITH PAYNE MARSH ROAD. TIME ESTIMATED.

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.

IssuedProductOfficeLasted
Jun 30, 11:47 AM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 7.5 hours before the alert went out and 188 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, Albany, NY at 12:00Z on 2021-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 113 joules per kilogram.LCLLFCEL10008507005003002001001 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, Albany, NY at 12:00Z on 2021-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 square meters per square second.193958Sfc1 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
113 J/kg
Mixed-layer CIN
-257 J/kg
Mixed-layer LCL
1162 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

558 
WUUS51 KBGM 301928
SVRBGM
NYC007-015-017-023-053-077-097-107-109-302015-
/O.NEW.KBGM.SV.W.0089.210630T1928Z-210630T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Binghamton NY
328 PM EDT Wed Jun 30 2021

The National Weather Service in Binghamton has issued a

* Severe Thunderstorm Warning for...
  West central Otsego County in central New York...
  Southeastern Schuyler County in central New York...
  Northwestern Broome County in central New York...
  Southwestern Madison County in central New York...
  Northern Chemung County in central New York...
  Cortland County in central New York...
  Tioga County in central New York...
  Tompkins County in central New York...
  Chenango County in central New York...

* Until 415 PM EDT.

* At 328 PM EDT, severe thunderstorms were located along a line
  extending from De Ruyter to near Ithaca to near Big Flats, moving
  east at 45 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...
  Ithaca, Cortland, Norwich, Horseheads, Maine, Newfield, Owego,
  Cayuga Heights, Lansing and Danby.

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 these storms. 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.

Heavy rainfall is occurring with these storms, and may lead to flash
flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4237 7539 4208 7633 4209 7662 4218 7696
      4226 7696 4281 7587 4263 7506
TIME...MOT...LOC 1928Z 280DEG 41KT 4276 7584 4245 7644 4221 7692 

HAIL...1.00IN
WIND...60MPH
 
$$

MJM
1 follow-up statement
785 
WWUS51 KBGM 301952
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
352 PM EDT Wed Jun 30 2021

NYC015-053-097-302001-
/O.CAN.KBGM.SV.W.0089.000000T0000Z-210630T2015Z/
Schuyler NY-Madison NY-Chemung NY-
352 PM EDT Wed Jun 30 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SCHUYLER...
SOUTHWESTERN MADISON AND NORTHERN CHEMUNG COUNTIES IS CANCELLED...

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

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
central New York.

LAT...LON 4237 7539 4208 7633 4209 7655 4215 7656
      4216 7653 4228 7654 4229 7669 4273 7589
      4263 7506
TIME...MOT...LOC 1951Z 280DEG 41KT 4272 7554 4241 7614 4217 7663 

$$

NYC007-017-023-077-107-109-302015-
/O.CON.KBGM.SV.W.0089.000000T0000Z-210630T2015Z/
Otsego NY-Broome NY-Cortland NY-Tioga NY-Tompkins NY-Chenango NY-
352 PM EDT Wed Jun 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR WEST CENTRAL OTSEGO...NORTHWESTERN BROOME...SOUTHERN CORTLAND...
TIOGA...SOUTHERN TOMPKINS AND CHENANGO COUNTIES...

At 351 PM EDT, severe thunderstorms were located along a line
extending from Earlville to near Harford to near Erin, moving east at
45 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, Maine, Owego, Danby, Caroline, Guilford, Virgil, Dryden,
Plymouth and North Norwich.

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 these storms.
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.

Heavy rainfall is occurring with these storms, and may lead to flash
flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4237 7539 4208 7633 4209 7655 4215 7656
      4216 7653 4228 7654 4229 7669 4273 7589
      4263 7506
TIME...MOT...LOC 1951Z 280DEG 41KT 4272 7554 4241 7614 4217 7663 

HAIL...1.00IN
WIND...60MPH
 
$$

MJM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 8:06 PM EDTAreal Flood AdvisoryBGMChemung, Schuyler, Tioga, Tompkins114 min
Jun 29, 9:06 PM EDTSpecial Weather StatementBGMBroome24 min
Jun 29, 9:18 PM EDTSpecial Weather StatementBGMTompkins42 min
Jun 29, 10:22 PM EDTSpecial Weather StatementBGMDelaware23 min
Jun 29, 10:44 PM EDTSpecial Weather StatementBGMBroome46 min
Jun 29, 11:06 PM EDTAreal Flood AdvisoryBGMDelaware3 hr
Jun 29, 11:50 PM EDTSpecial Weather StatementBGMSteuben40 min
Jun 30, 12:25 AM EDTSevere Thunderstorm WarningBGMChemung, Schuyler, Steuben34 min
Jun 30, 11:34 AM EDTSevere Thunderstorm WarningBGMOnondaga56 min
Jun 30, 12:19 PM EDTSevere Thunderstorm WarningBGMMadison, Oneida, Onondaga41 min
Jun 30, 12:58 PM EDTSevere Thunderstorm WarningBGMMadison, Oneida38 min
Jun 30, 1:58 PM EDTSpecial Weather StatementBGMCayuga47 min
Jun 30, 2:07 PM EDTSevere Thunderstorm WarningBGMCayuga, Seneca38 min
Jun 30, 2:16 PM EDTSpecial Weather StatementBGMMadison44 min
Jun 30, 2:25 PM EDTSevere Thunderstorm WarningBGMMadison, Oneida, Onondaga50 min
Jun 30, 2:37 PM EDTSpecial Weather StatementBGMBroome23 min
Jun 30, 2:45 PM EDTSpecial Weather StatementBGMSchuyler, Steuben30 min
Jun 30, 3:08 PM EDTSevere Thunderstorm WarningBGMChenango, Madison, Otsego52 min
Jun 30, 3:14 PM EDTSpecial Weather StatementBGMChemung, Cortland, Tompkins46 min
Jun 30, 4:12 PM EDTSevere Thunderstorm WarningBGMChenango, Otsego43 min
Jun 30, 4:16 PM EDTSpecial Weather StatementBGMBroome44 min
Jun 30, 4:50 PM EDTSevere Thunderstorm WarningBGMBroome, Chenango, Delaware, Otsego, Tioga40 min
Jun 30, 5:18 PM EDTSpecial Weather StatementBGMDelaware27 min
Jun 30, 5:19 PM EDTFlash Flood WarningBGMBroome, Chenango, Delaware51 min
Jun 30, 5:32 PM EDTSpecial Weather StatementBGMDelaware43 min
Jun 30, 5:39 PM EDTSpecial Weather StatementBGMSullivan36 min
Jun 30, 5:49 PM EDTSevere Thunderstorm WarningBGMDelaware, Sullivan41 min
Jun 30, 5:59 PM EDTSpecial Weather StatementBGMSullivan46 min
Jun 30, 6:26 PM EDTSevere Thunderstorm WarningBGMSullivan19 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.