Alert archive / New York / Tornado Warnings in 2019

Tornado Warning 1, NWS Buffalo, NY

May 25, 2019Allegany County, New York

NWS Buffalo, NY issued this tornado warning at May 25, 2019, 7:35 PM EDT for Allegany County, New York. It was in force for 29 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
May 25, 2019, 7:35 PM EDT (23:35 UTC)
Expired
May 25, 2019, 8:04 PM EDT
In force
29 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Allegany County, NY

The radar

The Buffalo radar (KBUF), 104 km from the middle of the area, began a volume at 23:39 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

TimeReportWhereRemark
May 25, 8:03 PM EDTTSTM WND DMGAndover, NYTREES DOWN IN THE TOWN OF ANDOVER

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

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 11.6 hours before the alert went out and 101 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, Buffalo Intl Airport, NY at 12:00Z on 2019-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Buffalo Intl Airport, NY at 12:00Z on 2019-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 191 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1594 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
191 m²/s²
0-3 km storm-relative helicity
228 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

277 
WFUS51 KBUF 252335
TORBUF
NYC003-260015-
/O.NEW.KBUF.TO.W.0001.190525T2335Z-190526T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Buffalo NY
735 PM EDT Sat May 25 2019

The National Weather Service in Buffalo has issued a

* Tornado Warning for...
  Southern Allegany County in western New York...

* Until 815 PM EDT..

* At 735 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 9 miles northwest of Wellsville, moving east at 35 mph.

  HAZARD...Tornado.

  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 dangerous storm will be near...
  Wellsville around 750 PM EDT.
  Alfred around 800 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Belmont, Friendship, Scio, Knight Creek, Andover and Stannards.

 This includes Interstate 86 between exits 29 and 30.
 
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 4213 7822 4226 7820 4227 7774 4206 7775
TIME...MOT...LOC 2335Z 274DEG 30KT 4219 7810 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Fries
2 follow-up statements
282 
WWUS51 KBUF 252352
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
752 PM EDT Sat May 25 2019

NYC003-260015-
/O.CON.KBUF.TO.W.0001.000000T0000Z-190526T0015Z/
Allegany NY-
752 PM EDT Sat May 25 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR
SOUTHEASTERN ALLEGANY COUNTY...
    
At 752 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Wellsville, moving east at 45 mph.

HAZARD...Tornado.

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 dangerous storm will be near...
  Alfred around 755 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Andover and Scio.

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 4214 7801 4223 7798 4225 7774 4207 7775
TIME...MOT...LOC 2352Z 278DEG 37KT 4216 7787 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Fries
410 
WWUS51 KBUF 260004
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
804 PM EDT Sat May 25 2019

NYC003-260013-
/O.CAN.KBUF.TO.W.0001.000000T0000Z-190526T0015Z/
Allegany NY-
804 PM EDT Sat May 25 2019

...THE TORNADO WARNING FOR SOUTHEASTERN ALLEGANY COUNTY IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Buffalo.

Remember, a Severe Thunderstorm Warning still remains in effect for
Allegany County until 815 PM.

LAT...LON 4214 7801 4223 7798 4225 7774 4207 7775
TIME...MOT...LOC 0002Z 274DEG 30KT 4215 7774 

$$

Fries

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 10:47 AM EDTSpecial Weather StatementBUFGenesee43 min
May 25, 2:31 PM EDTSpecial Weather StatementBUFAllegany, Cattaraugus, Chautauqua, Livingston, Wyoming89 min
May 25, 4:01 PM EDTSpecial Weather StatementBUFAllegany, Cattaraugus, Chautauqua, Livingston, Wyoming89 min
May 25, 5:24 PM EDTSpecial Marine WarningBUF21 min
May 25, 5:24 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis51 min
May 25, 5:28 PM EDTSevere Thunderstorm WarningBUFAllegany47 min
May 25, 5:51 PM EDTSpecial Marine WarningBUF84 min
May 25, 6:15 PM EDTSpecial Weather StatementBUFNiagara45 min
May 25, 6:25 PM EDTSevere Thunderstorm WarningBUFNiagara50 min
May 25, 6:28 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua62 min
May 25, 6:40 PM EDTSpecial Marine WarningBUF50 min
May 25, 6:45 PM EDTSevere Thunderstorm WarningBUFErie, Genesee, Niagara, Wyoming32 min
May 25, 6:50 PM EDTSpecial Marine WarningBUF40 min
May 25, 7:00 PM EDTSpecial Weather StatementBUFChautauqua30 min
May 25, 7:09 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Chautauqua, Wyoming66 min
May 25, 7:29 PM EDTSevere Thunderstorm WarningBUFGenesee, Livingston, Monroe, Ontario, Wyoming61 min
May 25, 7:33 PM EDTSevere Thunderstorm WarningBUFAllegany42 min
May 25, 7:44 PM EDTSpecial Marine WarningBUF61 min
May 25, 7:57 PM EDTSevere Thunderstorm WarningBUFCayuga, Ontario, Oswego, Wayne51 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.