Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 150, NWS Binghamton, NY

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

NWS Binghamton, NY issued this severe thunderstorm warning at Jul 9, 2021, 5:30 PM EDT for Susquehanna County, Wayne County, Pennsylvania; Delaware County, Sullivan County, New York. It was in force for 45 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
Jul 9, 2021, 5:30 PM EDT (21:30 UTC)
Expired
Jul 9, 2021, 6:15 PM EDT
In force
45 min
Issued by
NWS Binghamton, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Delaware County, NY, Sullivan County, NY, Susquehanna County, PA, Wayne County, PA

The radar

The Binghamton radar (KBGM), 73 km from the middle of the area, began a volume at 21:30 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

Albany, NY (KALY), launched 12:00Z, 9.5 hours before the alert went out and 156 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 2021-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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 2021-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
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.

305 
WUUS51 KBGM 092130
SVRBGM
NYC025-105-PAC115-127-092215-
/O.NEW.KBGM.SV.W.0150.210709T2130Z-210709T2215Z/

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

The National Weather Service in Binghamton has issued a

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

* Until 615 PM EDT.

* At 530 PM EDT, a severe thunderstorm was located over Starlight, or
  13 miles south of Deposit, moving east at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Rockland, Bethel, Damascus, Callicoon, Cochecton, Hancock, Fremont,
  Ararat, Jeffersonville and Thompson.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4169 7568 4197 7544 4202 7482 4160 7481
TIME...MOT...LOC 2130Z 262DEG 30KT 4188 7533 

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

AJG
2 follow-up statements
997 
WWUS51 KBGM 092145
SVSBGM

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

PAC115-092155-
/O.CAN.KBGM.SV.W.0150.000000T0000Z-210709T2215Z/
Susquehanna PA-
545 PM EDT Fri Jul 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SUSQUEHANNA
COUNTY IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4182 7542 4198 7537 4202 7482 4169 7481
TIME...MOT...LOC 2145Z 262DEG 30KT 4190 7516 

$$

NYC025-105-PAC127-092215-
/O.CON.KBGM.SV.W.0150.000000T0000Z-210709T2215Z/
Delaware NY-Sullivan NY-Wayne PA-
545 PM EDT Fri Jul 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR SOUTHWESTERN DELAWARE...NORTHWESTERN SULLIVAN AND NORTHERN WAYNE
COUNTIES...

At 545 PM EDT, a severe thunderstorm was located over Peabrook, or 17
miles southeast of Deposit, moving east at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Rockland, Callicoon, Hancock, Fremont, Jeffersonville, Hiawatha,
Shehawken, Starlight, Stalker and Hazel.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4182 7542 4198 7537 4202 7482 4169 7481
TIME...MOT...LOC 2145Z 262DEG 30KT 4190 7516 

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

AJG
892 
WWUS51 KBGM 092159
SVSBGM

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

PAC127-092208-
/O.CAN.KBGM.SV.W.0150.000000T0000Z-210709T2215Z/
Wayne PA-
559 PM EDT Fri Jul 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN WAYNE COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4182 7510 4182 7512 4184 7512 4185 7514
      4185 7516 4187 7517 4187 7519 4194 7517
      4202 7482 4178 7482
TIME...MOT...LOC 2158Z 262DEG 30KT 4192 7501 

$$

NYC025-105-092215-
/O.CON.KBGM.SV.W.0150.000000T0000Z-210709T2215Z/
Delaware NY-Sullivan NY-
559 PM EDT Fri Jul 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR SOUTH CENTRAL DELAWARE AND NORTHWESTERN SULLIVAN COUNTIES...

At 558 PM EDT, a severe thunderstorm was located near Roscoe, or 15
miles northwest of Liberty, moving east at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Rockland, Fremont, White Sulphur Springs, Stalker, Hazel, Livingston
Manor, Roscoe, Peabrook, Callicoon Center and Shandelee.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4182 7510 4182 7512 4184 7512 4185 7514
      4185 7516 4187 7517 4187 7519 4194 7517
      4202 7482 4178 7482
TIME...MOT...LOC 2158Z 262DEG 30KT 4192 7501 

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

AJG

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 8:03 PM EDTAreal Flood AdvisoryBGMPike3 hr
Jul 9, 2:32 AM EDTAreal Flood AdvisoryBGMPike2 hr
Jul 9, 2:47 PM EDTSpecial Weather StatementBGMBradford43 min
Jul 9, 3:12 PM EDTSevere Thunderstorm WarningBGMBradford33 min
Jul 9, 3:45 PM EDTSpecial Weather StatementBGMBradford45 min
Jul 9, 3:57 PM EDTSevere Thunderstorm WarningBGMBradford, Susquehanna, Wyoming48 min
Jul 9, 4:46 PM EDTSevere Thunderstorm WarningBGMSusquehanna, Wayne44 min
Jul 9, 5:57 PM EDTSpecial Weather StatementBGMLuzerne33 min
Jul 9, 6:04 PM EDTSevere Thunderstorm WarningBGMLuzerne41 min
Jul 9, 6:39 PM EDTSpecial Weather StatementBGMLuzerne36 min
Jul 9, 7:57 PM EDTAreal Flood AdvisoryBGMBradford96 min
Jul 8, 8:07 PM EDTAreal Flood AdvisoryBGMCortland, Tompkins3 hr
Jul 8, 8:08 PM EDTSpecial Weather StatementBGMDelaware37 min
Jul 8, 8:27 PM EDTAreal Flood AdvisoryBGMDelaware3 hr
Jul 8, 8:42 PM EDTAreal Flood AdvisoryBGMMadison, Oneida3 hr
Jul 8, 10:34 PM EDTAreal Flood AdvisoryBGMSchuyler2 hr
Jul 8, 11:37 PM EDTAreal Flood WarningBGMOneida6 hr
Jul 9, 5:33 AM EDTAreal Flood AdvisoryBGMSullivan4 hr
Jul 9, 12:41 PM EDTSpecial Weather StatementBGMYates34 min
Jul 9, 1:16 PM EDTSpecial Weather StatementBGMSeneca, Tompkins, Yates29 min
Jul 9, 1:38 PM EDTSpecial Weather StatementBGMSteuben37 min
Jul 9, 1:44 PM EDTSpecial Weather StatementBGMCayuga31 min
Jul 9, 1:47 PM EDTSpecial Weather StatementBGMSchuyler, Tompkins43 min
Jul 9, 2:17 PM EDTSevere Thunderstorm WarningBGMCortland, Tioga, Tompkins43 min
Jul 9, 2:19 PM EDTSpecial Weather StatementBGMChemung26 min
Jul 9, 2:44 PM EDTSevere Thunderstorm WarningBGMBroome, Tioga, Tompkins46 min
Jul 9, 3:22 PM EDTSpecial Weather StatementBGMBroome38 min
Jul 9, 3:31 PM EDTSpecial Weather StatementBGMBroome44 min
Jul 9, 3:58 PM EDTSevere Thunderstorm WarningBGMBroome, Chenango, Delaware47 min
Jul 9, 7:30 PM EDTSpecial Weather StatementBGMChemung45 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2021Severe 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.