Alert archive / New York / Special Weather Statements in 2013

Special Weather Statement, NWS Buffalo, NY

May 20, 2013Niagara County, New York

NWS Buffalo, NY issued this special weather statement at May 20, 2013, 11:02 PM EDT for Niagara County, New York. It was in force for 43 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: May 20, 2013, 11:02 PM EDT (03:02 UTC)
Expired: May 20, 2013, 11:45 PM EDT
In force: 43 min
Issued by: NWS Buffalo, NY

County Niagara County, NY

The radar

The Buffalo radar (KBUF), 32 km from the middle of the area, began a volume at 03:03 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

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 3.0 hours before the alert went out and 35 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 724 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 1645 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 151 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Buffalo, NY wrote its last area forecast discussion before this special weather statement went out at May 20, 10:28 PM EDT, 34 minutes earlier.

Area forecast discussion, May 20, 10:28 PM EDT, 34 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, May 20, 6:02 PM EDT, 5 hours before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BUFFALO NY
602 PM EDT MON MAY 20 2013

NYZ001>008-010>014-019>021-085-212215-
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-JEFFERSON-LEWIS-
NORTHERN ERIE-GENESEE-WYOMING-LIVINGSTON-ONTARIO-CHAUTAUQUA-
CATTARAUGUS-ALLEGANY-SOUTHERN ERIE-
602 PM EDT MON MAY 20 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND NORTH CENTRAL NEW
YORK.

.DAY ONE...TONIGHT.

THE CHANCE FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

A STALLED FRONTAL BOUNDARY WILL BRING SEVERAL ROUNDS OF SHOWERS
AND THUNDERSTORMS TO THE REGION TUESDAY THROUGH THURSDAY.
RAINFALL TOTALS WILL VARY SIGNIFICANTLY...WITH LOCALIZED RAINFALL
TOTALS OF TWO INCHES OR MORE POSSIBLE. IN ADDITION TO THE
RAIN...CONDITIONS WILL BECOME FAVORABLE FOR SOME STRONGER
STORMS...WITH A SLIGHT RISK FOR THUNDERSTORMS WITH STRONG WINDS
AND LARGE HAIL ON WEDNESDAY AFTERNOON AND EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

THIS PRODUCT...ALONG WITH OTHER WATCHES...WARNINGS...ADVISORIES...
AND STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN
BUFFALO CAN BE FOUND ON THE INTERNET AT HTTP://WWW.WEATHER.GOV/BUF

LEZ020-040-041-LOZ042>045-062>065-SLZ022-024-212215-
UPPER NIAGARA RIVER AND BUFFALO HARBOR-
LAKE ERIE NEARSHORE WATERS FROM RIPLEY TO DUNKIRK-
LAKE ERIE NEARSHORE WATERS FROM DUNKIRK TO BUFFALO-
LAKE ONTARIO NEARSHORE WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
LAKE ONTARIO NEARSHORE WATERS FROM HAMLIN BEACH TO SODUS BAY-
LAKE ONTARIO NEARSHORE WATERS FROM SODUS BAY TO MEXICO BAY-
LAKE ONTARIO NEARSHORE WATERS FROM MEXICO BAY TO THE SAINT LAWRENCE
RIVER-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO SODUS BAY-
LAKE ONTARIO OPEN WATERS FROM SODUS BAY TO MEXICO BAY-
LAKE ONTARIO OPEN WATERS FROM MEXICO BAY TO THE SAINT LAWRENCE RIVER-
SAINT LAWRENCE RIVER FROM CAPE VINCENT TO OGDENSBURG-
SAINT LAWRENCE RIVER FROM OGDENSBURG TO SAINT REGIS-
602 PM EDT MON MAY 20 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE...LAKE
ONTARIO AND SAINT LAWRENCE RIVER.

.DAY ONE...TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

CONDITIONS WILL BECOME FAVORABLE FOR SOME STRONGER THUNDERSTORMS...WITH
A SLIGHT RISK FOR STORMS WITH STRONG WINDS AND LARGE HAIL ON
WEDNESDAY AFTERNOON AND EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

THIS PRODUCT...ALONG WITH OTHER WATCHES...WARNINGS...ADVISORIES...
AND STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN
BUFFALO CAN BE FOUND ON THE INTERNET AT HTTP://WWW.WEATHER.GOV/BUF

APFFEL

In the hours before

Special weather statement, May 20, 11:02 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1102 PM EDT MON MAY 20 2013

NYZ001-210345-
NIAGARA NY-
1102 PM EDT MON MAY 20 2013

...GUSTY WINDS MOVING INTO THE AREA...

* AT 1058 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
GUSTY WINDS OUT AHEAD OF A LINE OF THUNDERSTORMS WHICH IS PRODUCING
WINDS TO 40 MPH. THIS GUSTY FRONT WILL MOVE ACROSS NIAGARA COUNTY
THROUGH 1145 PM.

LAT...LON 4333 7883 4338 7851 4314 7850 4308 7900
      4310 7907 4312 7907 4313 7906 4325 7906
      4326 7908

APFFEL

The office that day

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

Issued	Product	Office	Counties	Lasted
May 20, 10:53 PM EDT	Special Marine Warning	BUF		52 min
May 21, 12:39 AM EDT	Special Marine Warning	BUF		51 min
May 21, 12:50 AM EDT	Special Marine Warning	BUF		55 min
May 21, 1:01 AM EDT	Special Weather Statement	BUF	Oswego	59 min
May 21, 1:27 AM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	48 min
May 21, 1:40 AM EDT	Special Marine Warning	BUF		50 min
May 21, 1:49 AM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	41 min
May 21, 1:59 AM EDT	Special Weather Statement	BUF	Lewis	61 min
May 21, 2:13 AM EDT	Severe Thunderstorm Warning	BUF	Lewis	32 min
May 21, 12:32 PM EDT	Severe Thunderstorm Warning	BUF	Ontario, Wayne	58 min
May 21, 12:34 PM EDT	Severe Thunderstorm Warning	BUF	Ontario	26 min
May 21, 3:02 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Wayne	58 min
May 21, 3:36 PM EDT	Severe Thunderstorm Warning	BUF	Wayne	54 min
May 21, 3:57 PM EDT	Special Weather Statement	BUF	Wyoming	33 min
May 21, 3:58 PM EDT	Special Marine Warning	BUF		62 min
May 21, 3:58 PM EDT	Severe Thunderstorm Warning	BUF	Monroe	47 min
May 21, 4:11 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Wyoming	49 min
May 21, 4:47 PM EDT	Special Weather Statement	BUF	Ontario	28 min
May 21, 4:58 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Ontario	47 min
May 21, 5:05 PM EDT	Special Marine Warning	BUF		85 min
May 21, 5:14 PM EDT	Special Marine Warning	BUF		61 min
May 21, 5:22 PM EDT	Special Marine Warning	BUF		83 min
May 21, 5:34 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson	56 min
May 21, 5:45 PM EDT	Severe Thunderstorm Warning	BUF	Ontario	15 min
May 21, 5:48 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego	57 min
May 21, 7:14 PM EDT	Special Weather Statement	BUF	Lewis	31 min
May 21, 7:40 PM EDT	Special Marine Warning	BUF		35 min

Nearby

Special Weather Statements in New York, 2013 Every special weather statement in 2013

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.