Alert archive / New York / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 91, NWS Buffalo, NY

August 17, 2019Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 17, 2019, 2:22 PM EDT for Oswego County, New York. It was in force for 38 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
Aug 17, 2019, 2:22 PM EDT (18:22 UTC)
Expired
Aug 17, 2019, 3:00 PM EDT
In force
38 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Oswego County, NY

The radar

The Ft Drum radar (KTYX), 68 km from the middle of the area, began a volume at 18:21 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, 6.4 hours before the alert went out and 190 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 2019-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 149 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 2019-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
149 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
787 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

462 
WUUS51 KBUF 171822
SVRBUF
NYC075-171900-
/O.NEW.KBUF.SV.W.0091.190817T1822Z-190817T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
222 PM EDT Sat Aug 17 2019

The National Weather Service in Buffalo has issued a

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

* Until 300 PM EDT..

* At 222 PM EDT, a severe thunderstorm was located over Cicero, or 8
  miles north of Syracuse, moving east at 30 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Oneida Lake, Constantia, Cleveland, Bernhards Bay, Lower South Bay 
  and Lakeport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If on or near Oneida Lake, get away from the water and move indoors 
or inside a vehicle. Remember, lightning can strike out to 15 miles 
from the parent thunderstorm. If you can hear thunder, you are close 
enough to be struck by lightning. Move to safe shelter now!  Do not 
be caught on the water in a thunderstorm.

&&

LAT...LON 4315 7588 4316 7592 4317 7593 4318 7599
      4318 7600 4320 7604 4320 7608 4322 7608
      4323 7612 4324 7614 4322 7620 4321 7620
      4322 7621 4323 7621 4325 7614 4332 7586
TIME...MOT...LOC 1822Z 262DEG 28KT 4315 7610 

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

Hitchcock
2 follow-up statements
061 
WWUS51 KBUF 171839
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
239 PM EDT Sat Aug 17 2019

NYC075-171900-
/O.CON.KBUF.SV.W.0091.000000T0000Z-190817T1900Z/
Oswego NY-
239 PM EDT Sat Aug 17 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EDT
FOR SOUTHEASTERN OSWEGO COUNTY...

At 238 PM EDT, a severe thunderstorm was located near Bridgeport, or
11 miles southwest of Camden, moving east at 35 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Oneida Lake, Constantia, Cleveland, Bernhards Bay and Lakeport. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If on or near Oneida Lake, get away from the water and move indoors 
or inside a vehicle. remember, lightning can strike out to 15 miles 
from the parent thunderstorm. If you can hear thunder, you are close 
enough to be struck by lightning. Move to safe shelter now!  Do not 
be caught on the water in a thunderstorm.

&&

LAT...LON 4315 7588 4316 7592 4317 7593 4318 7599
      4318 7600 4320 7604 4327 7606 4332 7586
TIME...MOT...LOC 1838Z 258DEG 30KT 4320 7588 

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

Hitchcock
815 
WWUS51 KBUF 171900
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
300 PM EDT Sat Aug 17 2019

NYC075-171910-
/O.EXP.KBUF.SV.W.0091.000000T0000Z-190817T1900Z/
Oswego NY-
300 PM EDT Sat Aug 17 2019

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN OSWEGO COUNTY HAS
EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.

LAT...LON 4315 7588 4316 7592 4317 7593 4318 7599
      4318 7600 4320 7604 4327 7606 4332 7586
TIME...MOT...LOC 1900Z 270DEG 28KT 4322 7570 

$$

Hitchcock

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 17, 10:14 AM EDTSpecial Marine WarningBUF61 min
Aug 17, 10:16 AM EDTSpecial Weather StatementBUFGenesee44 min
Aug 17, 10:40 AM EDTSpecial Weather StatementBUFChautauqua35 min
Aug 17, 11:04 AM EDTSpecial Weather StatementBUFMonroe56 min
Aug 17, 11:07 AM EDTSpecial Weather StatementBUFCattaraugus, Chautauqua, Erie, Wyoming53 min
Aug 17, 11:58 AM EDTSpecial Weather StatementBUFLivingston, Ontario, Wyoming47 min
Aug 17, 12:37 PM EDTSevere Thunderstorm WarningBUFLivingston, Ontario38 min
Aug 17, 1:16 PM EDTSpecial Weather StatementBUFOntario44 min
Aug 17, 1:31 PM EDTSevere Thunderstorm WarningBUFCayuga, Oswego, Wayne40 min
Aug 17, 1:48 PM EDTSpecial Weather StatementBUFWyoming57 min
Aug 17, 2:04 PM EDTSpecial Weather StatementBUFCattaraugus56 min
Aug 17, 2:18 PM EDTSpecial Weather StatementBUFLivingston27 min
Aug 17, 2:48 PM EDTSpecial Weather StatementBUFLivingston42 min
Aug 17, 2:58 PM EDTSpecial Weather StatementBUFCattaraugus47 min
Aug 17, 3:27 PM EDTSpecial Weather StatementBUFAllegany33 min
Aug 17, 3:36 PM EDTSevere Thunderstorm WarningBUFAllegany54 min
Aug 17, 4:06 PM EDTSpecial Marine WarningBUF39 min
Aug 17, 4:19 PM EDTSevere Thunderstorm WarningBUFNiagara, Orleans41 min

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.