Alert archive / New York / Tornado Warnings in 2019

Tornado Warning 2, NWS Buffalo, NY

June 29, 2019Jefferson County, Lewis County, New York

NWS Buffalo, NY issued this tornado warning at Jun 29, 2019, 7:22 PM EDT for Jefferson County, Lewis County, New York. It was in force for 23 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 29, 2019, 7:22 PM EDT (23:22 UTC)
Expired
Jun 29, 2019, 7:45 PM EDT
In force
23 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Jefferson County, NY, Lewis County, NY

The radar

The Ft Drum radar (KTYX), 49 km from the middle of the area, began a volume at 23:24 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, 11.4 hours before the alert went out and 220 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 2019-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 24 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 2019-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 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
24 J/kg
Mixed-layer CIN
-231 J/kg
Mixed-layer LCL
1251 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
127 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

594 
WFUS51 KBUF 292322
TORBUF
NYC045-049-292345-
/O.NEW.KBUF.TO.W.0002.190629T2322Z-190629T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Buffalo NY
722 PM EDT Sat Jun 29 2019

The National Weather Service in Buffalo has issued a

* Tornado Warning for...
  Northeastern Jefferson County in central New York...
  North central Lewis County in central New York...

* Until 745 PM EDT..

* At 722 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 8 miles southeast of Redwood, or 11 miles southwest of
  Gouverneur, moving southeast at 30 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This tornadic thunderstorm will remain over mainly rural areas of
  northeastern Jefferson and north central Lewis Counties, including
  the following locations... Lake Bonaparte, Natural Bridge and
  Antwerp.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4425 7572 4430 7565 4414 7535 4402 7557
TIME...MOT...LOC 2322Z 319DEG 27KT 4424 7566 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

RSH
2 follow-up statements
179 
WWUS51 KBUF 292334
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
734 PM EDT Sat Jun 29 2019

NYC045-049-292345-
/O.CON.KBUF.TO.W.0002.000000T0000Z-190629T2345Z/
Jefferson NY-Lewis NY-
734 PM EDT Sat Jun 29 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR EAST
CENTRAL JEFFERSON AND NORTH CENTRAL LEWIS COUNTIES...
    
At 734 PM EDT, a severe thunderstorm capable of producing a tornado
was located 11 miles southeast of Redwood, or 12 miles northeast of
Fort Drum, moving southeast at 25 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Antwerp, Lake Bonaparte and Natural Bridge. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4421 7569 4424 7563 4414 7535 4402 7557
TIME...MOT...LOC 2334Z 324DEG 20KT 4420 7563 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

RSH
073 
WWUS51 KBUF 292345
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
745 PM EDT Sat Jun 29 2019

NYC045-049-292355-
/O.EXP.KBUF.TO.W.0002.000000T0000Z-190629T2345Z/
Jefferson NY-Lewis NY-
745 PM EDT Sat Jun 29 2019

...THE TORNADO WARNING FOR EAST CENTRAL JEFFERSON AND NORTH CENTRAL
LEWIS COUNTIES HAS EXPIRED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

LAT...LON 4421 7569 4424 7563 4414 7535 4402 7557
TIME...MOT...LOC 2345Z 319DEG 27KT 4414 7556 

$$

RSH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 1:03 AM EDTSpecial Marine WarningBUF27 min
Jun 29, 1:23 AM EDTSpecial Weather StatementBUFChautauqua67 min
Jun 29, 10:15 AM EDTSpecial Weather StatementBUFCattaraugus30 min
Jun 29, 1:35 PM EDTSpecial Weather StatementBUFAllegany25 min
Jun 29, 5:27 PM EDTSpecial Marine WarningBUF63 min
Jun 29, 5:36 PM EDTSpecial Marine WarningBUF84 min
Jun 29, 6:31 PM EDTSevere Thunderstorm WarningBUFJefferson59 min
Jun 29, 6:38 PM EDTSpecial Marine WarningBUF22 min
Jun 29, 7:13 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis62 min
Jun 29, 7:30 PM EDTSevere Thunderstorm WarningBUFJefferson45 min
Jun 29, 7:52 PM EDTSpecial Marine WarningBUF23 min

Nearby

Tornado Warnings in New York, 2019Every tornado warning in 2019Tornadoes 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.