Alert archive / New York / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 10, NWS Buffalo, NY

May 22, 2014Lewis County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 22, 2014, 1:43 PM EDT for Lewis County, New York. It was in force for 32 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 22, 2014, 1:43 PM EDT (17:43 UTC)
Expired
May 22, 2014, 2:15 PM EDT
In force
32 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

County Lewis County, NY

The radar

The Ft Drum radar (KTYX), 35 km from the middle of the area, began a volume at 17:46 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 22, 2:00 PM EDTHAIL 0.75Port Leyden, NYDIME SIZED HAIL

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

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 5.7 hours before the alert went out and 156 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 2014-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2014-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 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
16 J/kg
Mixed-layer CIN
-167 J/kg
Mixed-layer LCL
762 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
71 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

610 
WUUS51 KBUF 221743
SVRBUF
NYC049-221815-
/O.NEW.KBUF.SV.W.0010.140522T1743Z-140522T1815Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
143 PM EDT THU MAY 22 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL LEWIS COUNTY IN CENTRAL NEW YORK

* UNTIL 215 PM EDT

* AT 141 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR CONSTABLEVILLE...OR 8 MILES NORTHWEST OF
  BOONVILLE...AND MOVING SOUTHEAST AT 15 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  CONSTABLEVILLE...
  PORT LEYDEN...

LAT...LON 4355 7523 4348 7540 4359 7551 4366 7538
      4357 7521
TIME...MOT...LOC 1742Z 313DEG 14KT 4358 7539

$$

ZAFF
2 follow-up statements
910 
WWUS51 KBUF 221800
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
200 PM EDT THU MAY 22 2014

NYC049-221815-
/O.CON.KBUF.SV.W.0010.000000T0000Z-140522T1815Z/
LEWIS NY-
200 PM EDT THU MAY 22 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM EDT
FOR SOUTH CENTRAL LEWIS COUNTY...

AT 155 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL.  THIS STORM WAS LOCATED NEAR PORT LEYDEN...OR 8 MILES NORTHWEST
OF BOONVILLE...MOVING SOUTHEAST AT 5 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  CONSTABLEVILLE...
  PORT LEYDEN...

LAT...LON 4357 7521 4355 7523 4350 7535 4359 7547
      4363 7543 4364 7542
TIME...MOT...LOC 1759Z 300DEG 6KT 4358 7539

$$

ZAFF
604 
WWUS51 KBUF 221820
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
220 PM EDT THU MAY 22 2014

NYC049-221828-
/O.EXP.KBUF.SV.W.0010.000000T0000Z-140522T1815Z/
LEWIS NY-
220 PM EDT THU MAY 22 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL LEWIS COUNTY HAS
BEEN REPLACED BY A FLASH FLOOD WARNING...

WHILE A SEVERE THUNDERSTORM OVER SOUTH CENTRAL LEWIS COUNTY HAS 
EXPIRED...HEAVY RAIN CONTINUES OVER THE REGION.  THEREFORE THE 
WARNING HAS BEEN REPLACED BY A FLASH FLOOD WARNING. SOME CREEKS AND 
RIVERS INCLUDED IN THE WARNING ARE TRIBUTARIES LEADING INTO THE 
SUGAR RIVER AND MOOSE RIVER.  SOME ROADS INCLUDE ROUTE 26...12...AND 
12D.  SEE THE LATEST FLASH FLOOD WARNING FOR FURTHER DETAILS. 

LAT...LON 4357 7521 4355 7523 4350 7535 4359 7547
      4363 7543 4364 7542
TIME...MOT...LOC 1800Z 180DEG 0KT 4358 7540

$$

ZAFF

The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 6:21 AM EDTSpecial Weather StatementBUFWayne54 min
May 22, 6:49 AM EDTSpecial Marine WarningBUF56 min
May 22, 6:49 AM EDTSevere Thunderstorm WarningBUFCayuga, Wayne56 min
May 22, 11:23 AM EDTSpecial Marine WarningBUF67 min
May 22, 1:06 PM EDTSpecial Weather StatementBUFLewis84 min
May 22, 2:17 PM EDTFlash Flood WarningBUFLewis6 hr
May 22, 2:47 PM EDTSpecial Weather StatementBUFLewis58 min
May 22, 4:36 PM EDTSpecial Weather StatementBUFLewis54 min
May 22, 5:53 PM EDTSpecial Weather StatementBUFLewis67 min
May 22, 7:55 PM EDTAreal Flood AdvisoryBUFJefferson3 hr

Nearby

Severe Thunderstorm Warnings in New York, 2014Every severe thunderstorm warning in 2014

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.