Alert archive / New York / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 36, NWS Buffalo, NY

June 20, 2019Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 20, 2019, 12:23 PM EDT for Oswego County, New York. It was in force for 37 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
Jun 20, 2019, 12:23 PM EDT (16:23 UTC)
Expired
Jun 20, 2019, 1:00 PM EDT
In force
37 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Oswego County, NY

The radar

The Ft Drum radar (KTYX), 54 km from the middle of the area, began a volume at 16:26 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, 4.4 hours before the alert went out and 187 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 2019-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 2019-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 square meters per square second.19395878Sfc1 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
2 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
552 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

165 
WUUS51 KBUF 201623
SVRBUF
NYC075-201700-
/O.NEW.KBUF.SV.W.0036.190620T1623Z-190620T1700Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
1223 PM EDT Thu Jun 20 2019

The National Weather Service in Buffalo has issued a

* Severe Thunderstorm Warning for...
  Southeastern Oswego County in central New York...

* Until 100 PM EDT..

* At 1222 PM EDT, a severe thunderstorm was located near Central
  Square, or 15 miles west of Camden, moving east at 25 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Central Square, Hastings, Constantia, West Monroe, Williamstown,
  Cleveland, Parish, Bernhards Bay, Amboy Center and Mallory.

 This includes Interstate 81 near exit 32.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4333 7589 4332 7588 4332 7586 4322 7588
      4323 7611 4324 7612 4338 7619 4348 7582
TIME...MOT...LOC 1622Z 261DEG 21KT 4331 7606 

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

Mitchell
1 follow-up statement
307 
WWUS51 KBUF 201654
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
1254 PM EDT Thu Jun 20 2019

NYC075-201703-
/O.EXP.KBUF.SV.W.0036.000000T0000Z-190620T1700Z/
Oswego NY-
1254 PM EDT Thu Jun 20 2019

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN OSWEGO COUNTY
WILL EXPIRE AT 100 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However heavy rain
is still possible with this thunderstorm.

LAT...LON 4333 7589 4332 7588 4332 7586 4322 7588
      4323 7611 4324 7612 4338 7619 4348 7582
TIME...MOT...LOC 1653Z 261DEG 21KT 4334 7581 

$$

Zaff

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 9:10 PM EDTFlash Flood WarningBUFLivingston, Wyoming3 hr
Jun 19, 11:14 PM EDTSpecial Marine WarningBUF46 min
Jun 19, 11:15 PM EDTSpecial Weather StatementBUFMonroe45 min
Jun 19, 11:50 PM EDTSpecial Marine WarningBUF55 min
Jun 20, 8:38 AM EDTFlash Flood WarningBUFMonroe, Ontario, Wayne4 hr
Jun 20, 9:37 AM EDTAreal Flood WarningBUFOntario, Wayne3 hr
Jun 20, 10:24 AM EDTAreal Flood WarningBUFAllegany, Cattaraugus, Livingston, Ontario3 hr
Jun 20, 10:38 AM EDTAreal Flood WarningBUFCayuga, Oswego3 hr
Jun 20, 11:31 AM EDTFlash Flood WarningBUFOswego4 hr
Jun 20, 2:18 PM EDTFlash Flood WatchBUFAllegany, Cattaraugus, Chautauqua8 hr
Jun 20, 2:26 PM EDTAreal Flood WarningBUFMonroe23 hr
Jun 20, 3:29 PM EDTAreal Flood WarningBUFOswego18 hr

Nearby

Severe Thunderstorm Warnings in New York, 2019Every severe thunderstorm warning in 2019

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.