Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 149, NWS Binghamton, NY

July 9, 2021Broome County, Chenango County, Delaware County, New York; Susquehanna County, Wayne County, Pennsylvania

NWS Binghamton, NY issued this severe thunderstorm warning at Jul 9, 2021, 4:46 PM EDT for Broome County, Chenango County, Delaware County, New York; Susquehanna County, Wayne County, Pennsylvania. It was in force for 44 min. 1 report 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 9, 2021, 4:46 PM EDT (20:46 UTC)
Expired: Jul 9, 2021, 5:30 PM EDT
In force: 44 min
Issued by: NWS Binghamton, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Broome County, NY, Chenango County, NY, Delaware County, NY, Susquehanna County, PA, Wayne County, PA

The radar

The Binghamton radar (KBGM), 58 km from the middle of the area, began a volume at 20:45 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 9, 5:05 PM EDT	TSTM WND DMG	2 W Jackson, PA	DOWNED TREE BLOCKING ENTIRE ROAD ON PA-547 IN JACKSON TOWNSHIP. TIME ESTIMATED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 8.8 hours before the alert went out and 167 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3 J/kg
Mixed-layer CIN: -156 J/kg
Mixed-layer LCL: 764 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 67 m²/s²
0-3 km storm-relative helicity: 88 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

092 
WUUS51 KBGM 092046
SVRBGM
NYC007-017-025-PAC115-127-092130-
/O.NEW.KBGM.SV.W.0149.210709T2046Z-210709T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Binghamton NY
446 PM EDT Fri Jul 9 2021

The National Weather Service in Binghamton has issued a

* Severe Thunderstorm Warning for...
  Southeastern Broome County in central New York...
  Southwestern Delaware County in central New York...
  Southeastern Chenango County in central New York...
  Susquehanna County in northeastern Pennsylvania...
  Northwestern Wayne County in northeastern Pennsylvania...

* Until 530 PM EDT.

* At 446 PM EDT, severe thunderstorms were located along a line
  extending from near Sidney to near Montrose, moving southeast at 35
  mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Sidney, Jackson, Walton, Clifford, Sanford, Colchester,
  Susquehanna, Forest City, Deposit and Susquehanna Depot.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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

&&

LAT...LON 4162 7546 4164 7547 4164 7579 4182 7601
      4231 7544 4215 7486
TIME...MOT...LOC 2046Z 308DEG 32KT 4223 7536 4178 7585 

HAIL...<.75IN
WIND...60MPH
 
$$

AJG

2 follow-up statements

973 
WWUS51 KBGM 092105
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
505 PM EDT Fri Jul 9 2021

NYC007-017-025-PAC115-127-092130-
/O.CON.KBGM.SV.W.0149.000000T0000Z-210709T2130Z/
Broome NY-Delaware NY-Chenango NY-Susquehanna PA-Wayne PA-
505 PM EDT Fri Jul 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR SOUTHEASTERN BROOME...SOUTHWESTERN DELAWARE...SOUTHEASTERN
CHENANGO...EASTERN SUSQUEHANNA AND NORTHWESTERN WAYNE COUNTIES...

At 505 PM EDT, severe thunderstorms were located along a line
extending from near Walton to near Lenoxville, moving southeast at 35
mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Sidney, Jackson, Walton, Clifford, Sanford, Colchester, Susquehanna,
Forest City, Deposit and Susquehanna Depot.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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

&&

LAT...LON 4162 7546 4164 7547 4164 7579 4180 7592
      4214 7552 4231 7544 4215 7486
TIME...MOT...LOC 2105Z 308DEG 32KT 4214 7521 4169 7570 

HAIL...<.75IN
WIND...60MPH
 
$$

AJG

238 
WWUS51 KBGM 092116
SVSBGM

Severe Weather Statement
National Weather Service Binghamton NY
516 PM EDT Fri Jul 9 2021

NYC017-092125-
/O.CAN.KBGM.SV.W.0149.000000T0000Z-210709T2130Z/
Chenango NY-
516 PM EDT Fri Jul 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHENANGO COUNTY
IS CANCELLED...

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

LAT...LON 4162 7546 4164 7547 4164 7579 4165 7580
      4167 7581 4220 7544 4220 7542 4222 7542
      4229 7537 4215 7486
TIME...MOT...LOC 2115Z 270DEG 32KT 4210 7511 4165 7560 

$$

NYC007-025-PAC115-127-092130-
/O.CON.KBGM.SV.W.0149.000000T0000Z-210709T2130Z/
Broome NY-Delaware NY-Susquehanna PA-Wayne PA-
516 PM EDT Fri Jul 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR SOUTHEASTERN BROOME...SOUTHWESTERN DELAWARE...EASTERN SUSQUEHANNA
AND NORTHWESTERN WAYNE COUNTIES...

At 515 PM EDT, severe thunderstorms were located along a line
extending from near Walton to Royal, moving east at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Jackson, Walton, Clifford, Sanford, Colchester, Susquehanna, Forest
City, Deposit, Susquehanna Depot and Harford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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

&&

LAT...LON 4162 7546 4164 7547 4164 7579 4165 7580
      4167 7581 4220 7544 4220 7542 4222 7542
      4229 7537 4215 7486
TIME...MOT...LOC 2115Z 270DEG 32KT 4210 7511 4165 7560 

HAIL...<.75IN
WIND...60MPH
 
$$

AJG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 8:07 PM EDT	Areal Flood Advisory	BGM	Cortland, Tompkins	3 hr
Jul 8, 8:08 PM EDT	Special Weather Statement	BGM	Delaware	37 min
Jul 8, 8:27 PM EDT	Areal Flood Advisory	BGM	Delaware	3 hr
Jul 8, 8:42 PM EDT	Areal Flood Advisory	BGM	Madison, Oneida	3 hr
Jul 8, 10:34 PM EDT	Areal Flood Advisory	BGM	Schuyler	2 hr
Jul 8, 11:37 PM EDT	Areal Flood Warning	BGM	Oneida	6 hr
Jul 9, 2:32 AM EDT	Areal Flood Advisory	BGM	Sullivan	2 hr
Jul 9, 5:33 AM EDT	Areal Flood Advisory	BGM	Sullivan	4 hr
Jul 9, 12:41 PM EDT	Special Weather Statement	BGM	Yates	34 min
Jul 9, 1:16 PM EDT	Special Weather Statement	BGM	Seneca, Tompkins, Yates	29 min
Jul 9, 1:38 PM EDT	Special Weather Statement	BGM	Steuben	37 min
Jul 9, 1:44 PM EDT	Special Weather Statement	BGM	Cayuga	31 min
Jul 9, 1:47 PM EDT	Special Weather Statement	BGM	Schuyler, Tompkins	43 min
Jul 9, 2:17 PM EDT	Severe Thunderstorm Warning	BGM	Cortland, Tioga, Tompkins	43 min
Jul 9, 2:19 PM EDT	Special Weather Statement	BGM	Chemung	26 min
Jul 9, 2:44 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Tioga, Tompkins	46 min
Jul 9, 2:47 PM EDT	Special Weather Statement	BGM	Chemung	43 min
Jul 9, 3:12 PM EDT	Severe Thunderstorm Warning	BGM	Chemung, Tioga	33 min
Jul 9, 3:22 PM EDT	Special Weather Statement	BGM	Broome	38 min
Jul 9, 3:31 PM EDT	Special Weather Statement	BGM	Broome	44 min
Jul 9, 3:57 PM EDT	Severe Thunderstorm Warning	BGM	Tioga	48 min
Jul 9, 3:58 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chenango, Delaware	47 min
Jul 9, 5:30 PM EDT	Severe Thunderstorm Warning	BGM	Delaware, Sullivan	45 min
Jul 9, 7:30 PM EDT	Special Weather Statement	BGM	Chemung	45 min
Jul 8, 8:03 PM EDT	Areal Flood Advisory	BGM	Pike	3 hr
Jul 9, 3:45 PM EDT	Special Weather Statement	BGM	Bradford	45 min
Jul 9, 5:57 PM EDT	Special Weather Statement	BGM	Luzerne	33 min
Jul 9, 6:04 PM EDT	Severe Thunderstorm Warning	BGM	Luzerne	41 min
Jul 9, 6:39 PM EDT	Special Weather Statement	BGM	Luzerne	36 min
Jul 9, 7:57 PM EDT	Areal Flood Advisory	BGM	Bradford	96 min

Nearby

Severe Thunderstorm Warnings in New York, 2021 Severe Thunderstorm Warnings in Pennsylvania, 2021 Every 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.