Alert archive / New York / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 51, NWS Albany, NY

June 30, 2009Fulton County, Herkimer County, Montgomery County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jun 30, 2009, 12:59 PM EDT for Fulton County, Herkimer County, Montgomery County, New York. It was in force for 61 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
Jun 30, 2009, 12:59 PM EDT (16:59 UTC)
Expired
Jun 30, 2009, 2:00 PM EDT
In force
61 min
Issued by
NWS Albany, NY
Area
Storm-based polygon

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

The radar

The Albany radar (KENX), 76 km from the middle of the area, began a volume at 17:00 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
Jun 30, 11:37 AM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 5.0 hours before the alert went out and 81 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 2009-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 191 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 2009-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 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
191 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
1100 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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 Jun 30, 12:16 PM EDT, 43 minutes earlier.

Area forecast discussion, Jun 30, 12:16 PM EDT, 43 minutes before
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Hazardous weather outlook, Jun 30, 11:46 AM EDT, 1 hour 13 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ALBANY NY
1146 AM EDT TUE JUN 30 2009

CTZ001-013-MAZ001-025-NYZ032-033-038>043-047>054-058>061-063>066-
082>084-VTZ013>015-011100-
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-
1146 AM EDT TUE JUN 30 2009

...SEVERE THUNDERSTORM WATCH 533 IN EFFECT UNTIL 7 PM EDT THIS
EVENING...

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

.DAY ONE...THIS AFTERNOON AND 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.

SEVERE THUNDERSTORM WATCH NUMBER 533 IS IN EFFECT UNTIL 7 PM.
THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS AHEAD OF A STRONG
UPPER LEVEL DISTURBANCE...AND AN OCCLUDED FRONT THIS AFTERNOON.
SOME OF THUNDERSTORMS MAY BECOME SEVERE WITH LARGE HAIL GREATER
THAN OR EQUAL TO THREE QUARTERS OF AN INCH IN DIAMETER...AND OR
DAMAGING WINDS 58 MPH OR GREATER. THE THUNDERSTORMS COULD ALSO
CONTAIN VERY HEAVY RAINFALL. THE THUNDERSTORMS WILL MOVE SOUTHWEST
TO NORTHEAST AT AROUND 25 MPH.

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

THERE IS A CHANCE OF NON SEVERE THUNDERSTORMS ON WEDNESDAY. THESE
THUNDERSTORMS MAY CONTAIN LOCALLY HEAVY RAINFALL.

.SPOTTER INFORMATION STATEMENT...

PLEASE REPORT HAIL SIZE...DAMAGING WINDS AND REPORTS OF TREES DOWN TO
THE NATIONAL WEATHER SERVICE BY EMAIL AT ALB.STORMREPORT@NOAA.GOV.
SEVERE WEATHER REPORTS CAN BE RELAYED TO LOCAL LAW ENFORCEMENT
FOR RELAY TO THE NATIONAL WEATHER SERVICE.

In the hours before

Special weather statement, Jun 30, 12:52 PM EDT, 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
1252 PM EDT TUE JUN 30 2009

NYZ038>040-301730-
SOUTHERN HERKIMER NY-MONTGOMERY NY-SOUTHERN FULTON NY-
1252 PM EDT TUE JUN 30 2009

...A STRONG THUNDERSTORM IN MONTGOMERY...HERKIMER AND FULTON
COUNTIES...

AT 1250 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM CAPABLE OF PRODUCING...AROUND HALF INCH HAIL...FREQUENT
LIGHTNING.  THIS STORM WAS LOCATED 18 MILES SOUTHWEST OF ST.
JOHNSVILLE...OR ABOUT 13 MILES NORTHEAST OF HARTWICK...AND MOVING
NORTH AT 20 MPH.

THE THUNDERSTORM WILL BE NEAR...
ST. JOHNSVILLE AND 6 MILES SOUTHEAST OF LITTLE FALLS BY 130 PM EDT

KL/KGS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 1:22 PM EDTAreal Flood AdvisoryALYFulton, Montgomery, Schoharie3 hr
Jun 30, 1:45 PM EDTFlash Flood WarningALYMontgomery4 hr
Jun 30, 1:53 PM EDTSevere Thunderstorm WarningALYFulton, Hamilton, Montgomery67 min
Jun 30, 1:59 PM EDTSevere Thunderstorm WarningALYUlster46 min
Jun 30, 2:16 PM EDTAreal Flood AdvisoryALYFulton, Hamilton4 hr
Jun 30, 2:16 PM EDTSevere Thunderstorm WarningALYRensselaer, Washington59 min
Jun 30, 2:30 PM EDTSevere Thunderstorm WarningALYWashington25 min
Jun 30, 2:32 PM EDTSevere Thunderstorm WarningALYGreene, Schoharie, Ulster58 min
Jun 30, 3:05 PM EDTSevere Thunderstorm WarningALYAlbany, Greene, Schoharie55 min
Jun 30, 3:15 PM EDTSevere Thunderstorm WarningALYSaratoga, Warren, Washington60 min
Jun 30, 3:16 PM EDTFlash Flood WatchALYAlbany, Columbia, Dutchess, Fulton, Greene, Hamilton and 9 more55 hr
Jun 30, 3:21 PM EDTSevere Thunderstorm WarningALYColumbia, Dutchess, Greene, Ulster54 min
Jun 30, 3:35 PM EDTSevere Thunderstorm WarningALYAlbany, Fulton, Montgomery, Saratoga, Schenectady, Schoharie55 min
Jun 30, 3:39 PM EDTAreal Flood AdvisoryALYColumbia, Dutchess, Ulster4 hr
Jun 30, 3:39 PM EDTSevere Thunderstorm WarningALYRensselaer, Saratoga, Washington66 min
Jun 30, 3:40 PM EDTSevere Thunderstorm WarningALYSaratoga, Warren65 min
Jun 30, 3:47 PM EDTSevere Thunderstorm WarningALYColumbia58 min
Jun 30, 3:49 PM EDTAreal Flood AdvisoryALYAlbany, Montgomery, Rensselaer, Saratoga, Schenectady4 hr
Jun 30, 3:56 PM EDTSevere Thunderstorm WarningALYWashington64 min
Jun 30, 3:58 PM EDTSevere Thunderstorm WarningALYAlbany, Rensselaer, Saratoga, Washington47 min
Jun 30, 4:00 PM EDTSevere Thunderstorm WarningALYDutchess, Ulster45 min
Jun 30, 4:15 PM EDTSevere Thunderstorm WarningALYWarren, Washington45 min
Jun 30, 4:22 PM EDTSevere Thunderstorm WarningALYSaratoga, Warren, Washington38 min
Jun 30, 4:23 PM EDTAreal Flood AdvisoryALYFulton, Saratoga, Warren, Washington4 hr
Jun 30, 4:50 PM EDTSevere Thunderstorm WarningALYWarren, Washington55 min
Jun 30, 4:42 PM EDTSevere Thunderstorm WarningALYBennington, Windham63 min
Jun 30, 5:34 PM EDTSevere Thunderstorm WarningALYBennington41 min
Jun 30, 5:43 PM EDTAreal Flood AdvisoryALYBennington4 hr
Jun 30, 5:50 PM EDTFlash Flood WarningALYBennington4 hr
Jun 30, 6:24 PM EDTSevere Thunderstorm WarningALYBennington, Windham66 min
Jun 30, 6:36 PM EDTAreal Flood AdvisoryALYWindham3 hr

Nearby

Severe Thunderstorm Warnings in New York, 2009Every severe thunderstorm warning in 2009

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.