Alert archive / New York / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 25, NWS Albany, NY

May 21, 20134 counties in New York

NWS Albany, NY issued this severe thunderstorm warning at May 21, 2013, 8:54 PM EDT for 4 counties in New York. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 21, 2013, 8:54 PM EDT (00:54 UTC)
Expired
May 21, 2013, 9:45 PM EDT
In force
51 min
Issued by
NWS Albany, NY
Area
Storm-based polygon

Counties Fulton County, NY, Herkimer County, NY, Montgomery County, NY, Schoharie County, NY

The radar

The Albany radar (KENX), 62 km from the middle of the area, began a volume at 00:57 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 21, 1:40 PM EDTSevere Thunderstorm WatchSPC10 hr

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 0.9 hours before the alert went out and 70 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 00:00Z on 2013-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 353 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 00:00Z on 2013-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
353 J/kg
Mixed-layer CIN
-192 J/kg
Mixed-layer LCL
1578 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Albany, NY wrote its last area forecast discussion before this severe thunderstorm warning went out at May 21, 8:21 PM EDT, 33 minutes earlier.

Area forecast discussion, May 21, 8:21 PM EDT, 33 minutes before
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Hazardous weather outlook, May 21, 4:36 PM EDT, 4 hours 18 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ALBANY NY
436 PM EDT TUE MAY 21 2013

CTZ001-013-MAZ001-025-NYZ032-033-038>043-047>054-058>061-063>066-
082>084-VTZ013>015-221100-
NORTHERN LITCHFIELD-SOUTHERN LITCHFIELD-NORTHERN BERKSHIRE-
SOUTHERN BERKSHIRE-NORTHERN HERKIMER-HAMILTON-SOUTHERN HERKIMER-
SOUTHERN FULTON-MONTGOMERY-NORTHERN SARATOGA-NORTHERN WARREN-
NORTHERN WASHINGTON-SCHOHARIE-WESTERN SCHENECTADY-
EASTERN SCHENECTADY-SOUTHERN SARATOGA-WESTERN ALBANY-EASTERN ALBANY-
WESTERN RENSSELAER-EASTERN RENSSELAER-WESTERN GREENE-EASTERN GREENE-
WESTERN COLUMBIA-EASTERN COLUMBIA-WESTERN ULSTER-EASTERN ULSTER-
WESTERN DUTCHESS-EASTERN DUTCHESS-NORTHERN FULTON-SOUTHEAST WARREN-
SOUTHERN WASHINGTON-BENNINGTON-WESTERN WINDHAM-EASTERN WINDHAM-
436 PM EDT TUE MAY 21 2013

...SEVERE THUNDERSTORM WATCH 203 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWESTERN
CONNECTICUT...WESTERN MASSACHUSETTS...EAST CENTRAL NEW YORK AND
SOUTHERN VERMONT.

.DAY ONE...TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

SCATTERED THUNDERSTORMS ARE POSSIBLE AGAIN ON WEDNESDAY INTO
WEDNESDAY NIGHT. THE STORM PREDICTION CENTER HAS PLACED MUCH OF
THE REGION IN A SLIGHT RISK FOR SEVERE THUNDERSTORMS...WITH
LARGE HAIL AND DAMAGING WINDS BEING THE MAIN THREATS.

THERE IS ALSO A CHANCE OF THUNDERSTORMS AGAIN ON THURSDAY INTO
THURSDAY NIGHT. SOME OF THESE THUNDERSTORMS COULD ALSO BE STRONG
TO SEVERE...ESPECIALLY FROM THE CAPITAL REGION SOUTH AND EAST.

SOME AREAS OF FROST MAY BE POSSIBLE ON THE HOLIDAY
WEEKEND...ESPECIALLY OVER THE HIGHER TERRAIN.

.SPOTTER INFORMATION STATEMENT...

SKYWARN ACTIVATION IS REQUESTED AT THIS TIME FOR THE FOLLOWING
COUNTIES UNTIL 9 PM...

IN NORTHWESTERN CONNECTICUT...LITCHFIELD.

IN WESTERN MASSACHUSETTS...BERKSHIRE.

IN EAST CENTRAL NEW YORK...ALBANY...COLUMBIA...DUTCHESS...FULTON
...GREENE...HAMILTON...HERKIMER...MONTGOMERY...RENSSELAER...SARATOGA
...SCHENECTADY...SCHOHARIE...ULSTER...WARREN AND WASHINGTON.

IN SOUTHERN VERMONT...BENNINGTON AND WINDHAM.

FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/ALBANY

In the hours before

Local storm report, May 21, 8:00 PM EDT, 54 minutes before
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Local storm report, May 21, 8:08 PM EDT, 46 minutes before
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Special weather statement, May 21, 8:19 PM EDT, 35 minutes before
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Local storm report, May 21, 8:35 PM EDT, 19 minutes before
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Special weather statement, May 21, 8:37 PM EDT, 17 minutes before
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Local storm report, May 21, 8:52 PM EDT, 2 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 8:19 PM EDTSpecial Weather StatementALYWarren56 min
May 21, 8:38 PM EDTSevere Thunderstorm WarningALYFulton, Montgomery, Saratoga, Schenectady52 min
May 21, 9:26 PM EDTSevere Thunderstorm WarningALYRensselaer, Saratoga, Schenectady, Warren, Washington64 min
May 21, 10:06 PM EDTSpecial Weather StatementALYOtsego54 min
May 21, 10:14 PM EDTAreal Flood AdvisoryALYAlbany, Rensselaer, Saratoga, Schenectady, Washington3 hr
May 21, 10:27 PM EDTSpecial Weather StatementALYRensselaer33 min
May 21, 10:42 PM EDTSpecial Weather StatementALYMontgomery63 min
May 21, 11:16 PM EDTSpecial Weather StatementALYFulton, Montgomery, Saratoga, Schenectady59 min
May 21, 11:27 PM EDTAreal Flood AdvisoryALYAlbany, Columbia, Fulton, Herkimer, Montgomery, Rensselaer and 4 more6 hr
May 22, 3:12 AM EDTAreal Flood AdvisoryALYColumbia, Dutchess, Rensselaer6 hr
May 22, 1:06 PM EDTSpecial Weather StatementALYSchenectady24 min
May 22, 1:18 PM EDTSpecial Weather StatementALYMontgomery42 min
May 22, 1:34 PM EDTSevere Thunderstorm WarningALYGreene, Ulster56 min
May 22, 1:39 PM EDTSevere Thunderstorm WarningALYAlbany, Montgomery, Schenectady, Schoharie66 min
May 22, 2:10 PM EDTSpecial Weather StatementALYSchenectady35 min
May 22, 2:30 PM EDTAreal Flood AdvisoryALYAlbany, Schoharie3 hr
May 22, 2:30 PM EDTAreal Flood AdvisoryALYSchenectady3 hr
May 22, 2:35 PM EDTSpecial Weather StatementALYUlster25 min
May 22, 2:46 PM EDTSpecial Weather StatementALYSaratoga29 min
May 22, 2:55 PM EDTFlash Flood WarningALYSaratoga, Schenectady2 hr
May 22, 3:05 PM EDTAreal Flood AdvisoryALYAlbany, Rensselaer3 hr
May 22, 3:09 PM EDTSevere Thunderstorm WarningALYRensselaer, Saratoga, Washington66 min
May 22, 3:18 PM EDTFlash Flood WarningALYRensselaer, Saratoga, Washington3 hr
May 22, 3:25 PM EDTSpecial Weather StatementALYWarren35 min
May 22, 3:27 PM EDTSpecial Weather StatementALYUlster48 min
May 22, 3:30 PM EDTSpecial Weather StatementALYWashington30 min
May 22, 3:31 PM EDTRiver Flood WarningALYRensselaer, Washington10 hr
May 22, 3:56 PM EDTSevere Thunderstorm WarningALYUlster49 min
May 22, 6:27 PM EDTSpecial Weather StatementALYHerkimer33 min
May 22, 7:34 PM EDTSpecial Weather StatementALYMontgomery26 min
May 21, 10:22 PM EDTSpecial Weather StatementALYBennington, Windham53 min
May 22, 12:35 AM EDTSpecial Weather StatementALYWindham55 min
May 22, 5:34 AM EDTRiver Flood WarningALYBennington3 hr
May 22, 5:41 AM EDTRiver Flood WarningALYBennington4 hr
May 22, 3:14 PM EDTFlash Flood WarningALYBennington3 hr
May 22, 3:31 PM EDTRiver Flood WarningALYBennington10 hr
May 22, 3:31 PM EDTRiver Flood WarningALYBennington10 hr
May 22, 3:48 PM EDTSpecial Weather StatementALYBennington27 min
May 22, 4:04 PM EDTSpecial Weather StatementALYBennington, Windham26 min

Nearby

Severe Thunderstorm Warnings in New York, 2013Every severe thunderstorm warning 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.