Alert archive / New York / Tornado Warnings in 2024

Tornado Warning 23, NWS Buffalo, NY

September 6, 2024Allegany County, New York

NWS Buffalo, NY issued this tornado warning at Sep 6, 2024, 9:49 PM EDT for Allegany County, New York. It was in force for 28 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
Sep 6, 2024, 9:49 PM EDT (01:49 UTC)
Expired
Sep 6, 2024, 10:17 PM EDT
In force
28 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), 102 km from the middle of the area, began a volume at 01:49 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
Sep 6, 9:50 PM EDTTSTM WND DMG3 Sw Belmont, NYMultiple trees down in Allegany County.

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 00:00Z, 1.8 hours before the alert went out and 98 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 00:00Z on 2024-09-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 209 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, Buffalo Intl Airport, NY at 00:00Z on 2024-09-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
209 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
725 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted.

167 
WFUS51 KBUF 070149
TORBUF
NYC003-070230-
/O.NEW.KBUF.TO.W.0023.240907T0149Z-240907T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Buffalo NY
949 PM EDT Fri Sep 6 2024

The National Weather Service in Buffalo has issued a

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

* Until 1030 PM EDT.

* At 949 PM EDT, a severe thunderstorm capable of producing a tornado
  was located 8 miles northwest of Wellsville, moving northeast at 20
  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.

* Locations impacted include...
  Friendship, Scio, and Belmont.

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 7810 4218 7814 4232 7797 4220 7783
TIME...MOT...LOC 0149Z 241DEG 17KT 4218 7809 

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

$$

Apffel
2 follow-up statements
704 
WWUS51 KBUF 070201
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
1001 PM EDT Fri Sep 6 2024

NYC003-070230-
/O.CON.KBUF.TO.W.0023.000000T0000Z-240907T0230Z/
Allegany NY-
1001 PM EDT Fri Sep 6 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT FOR CENTRAL
ALLEGANY COUNTY...

At 1001 PM EDT, a severe thunderstorm capable of producing a tornado
was located 7 miles northwest of Wellsville, moving northeast at 20
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.

Locations impacted include...
Belmont.

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 4216 7806 4220 7811 4232 7797 4220 7783
TIME...MOT...LOC 0201Z 241DEG 17KT 4221 7802 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Apffel
140 
WWUS51 KBUF 070217
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
1017 PM EDT Fri Sep 6 2024

NYC003-070227-
/O.CAN.KBUF.TO.W.0023.000000T0000Z-240907T0230Z/
Allegany NY-
1017 PM EDT Fri Sep 6 2024

...THE TORNADO WARNING FOR CENTRAL ALLEGANY COUNTY IS CANCELLED...

The tornadic thunderstorm which prompted the warning has weakened. 
Therefore, the warning has been cancelled.

&&

LAT...LON 4216 7806 4220 7811 4232 7797 4220 7783
TIME...MOT...LOC 0216Z 241DEG 17KT 4225 7793 

$$

Apffel

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 6, 8:16 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus59 min
Sep 6, 9:43 PM EDTFlash Flood WarningBUFCattaraugus2 hr
Sep 7, 5:01 AM EDTBeach Hazards StatementBUFCayuga, Chautauqua, Erie, Jefferson, Monroe, Niagara and 3 more66 hr
Sep 7, 7:41 AM EDTSpecial Marine WarningBUF22 min
Sep 7, 8:57 AM EDTSpecial Marine WarningBUF63 min
Sep 7, 2:27 PM EDTSpecial Marine WarningBUF93 min
Sep 7, 7:34 PM EDTSpecial Marine WarningBUF86 min

Nearby

Tornado Warnings in New York, 2024Every tornado warning in 2024Tornadoes in 2024

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.