Alert archive / New York / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 37, NWS Albany, NY

June 25, 2009Hamilton County, Herkimer County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jun 25, 2009, 3:57 PM EDT for Hamilton County, Herkimer County, New York. It was in force for 63 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 25, 2009, 3:57 PM EDT (19:57 UTC)
Expired
Jun 25, 2009, 5:00 PM EDT
In force
63 min
Issued by
NWS Albany, NY
Area
Storm-based polygon

Counties Hamilton County, NY, Herkimer County, NY

The radar

The Ft Drum radar (KTYX), 80 km from the middle of the area, began a volume at 19:57 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 nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 8.0 hours before the alert went out and 119 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 2009-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 46 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 2009-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.1939Sfc1 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
46 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
639 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 25, 1:39 PM EDT, 2 hours 18 minutes earlier.

Area forecast discussion, Jun 25, 1:39 PM EDT, 2 hours 18 minutes before
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Hazardous weather outlook, Jun 25, 4:46 AM EDT, 11 hours 11 minutes before
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In the hours before

Special weather statement, Jun 25, 3:46 PM EDT, 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
346 PM EDT THU JUN 25 2009

NYZ032-252045-
NORTHERN HERKIMER NY-
346 PM EDT THU JUN 25 2009

...STRONG THUNDERSTORM IN NORTHERN HERKIMER COUNTY...

AT 345 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM CAPABLE OF PRODUCING...AROUND HALF INCH HAIL...WINDS
AROUND 50 MPH...AND HEAVY RAIN.  THIS STORM WAS LOCATED NEAR NORTH
WILMURT...OR ABOUT 13 MILES NORTH OF HINCKLEY...AND MOVING SOUTHEAST
AT 10 MPH.

THE THUNDERSTORM WILL BE NEAR...
NORTH WILMURT BY 415 PM EDT
ATWELL BY 425 PM EDT.

KL
Special weather statement, Jun 25, 3:50 PM EDT, 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
350 PM EDT THU JUN 25 2009

NYZ032-252045-
NORTHERN HERKIMER NY-
350 PM EDT THU JUN 25 2009

...A STRONG THUNDERSTORM IN NORTHERN HERKIMER COUNTY...

AT 349 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM CAPABLE OF PRODUCING...AROUND HALF INCH HAIL...WINDS
AROUND 50 MPH...FREQUENT LIGHTNING...AND HEAVY RAIN.  THIS STORM WAS
LOCATED NEAR MCKEEVER...OR ABOUT 9 MILES SOUTHWEST OF OLD FORGE...AND
MOVING SOUTHEAST AT 10 MPH.

THE THUNDERSTORM WILL BE NEAR...
WOLF LAKE LANDING BY 410 PM EDT
FIRST LAKE BY 430 PM EDT
ATWELL BY 445 PM EDT

KL
Special weather statement, Jun 25, 3:56 PM EDT, 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
356 PM EDT THU JUN 25 2009

NYZ042-083-252045-
NORTHERN WARREN NY-SOUTHEAST WARREN NY-
356 PM EDT THU JUN 25 2009

...A STRONG THUNDERSTORM IN CENTRAL AND SOUTHEAST WARREN COUNTY...

AT 353 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM CAPABLE OF PRODUCING...AROUND HALF INCH HAIL...WINDS
AROUND 40 MPH...AND A PERIOD OF HEAVY RAIN. THIS STORM WAS LOCATED 7
MILES NORTHWEST OF LAKE LUZERNE CAMPGROUND...OR ABOUT 7 MILES
SOUTHWEST OF WARRENSBURG...AND MOVING SOUTHEAST AT 10 MPH.

THE THUNDERSTORM WILL BE NEAR...
6 MILES SOUTHWEST OF WARRENSBURG BY 420 PM EDT
LAKE LUZERNE CAMPGROUND BY 430 PM EDT
LAKE GEORGE VILLAGE BY 445 PM EDT

ONE HALF TO ONE INCH OF RAIN COULD FALL IN A SHORT AMOUNT OF TIME
WITH THIS STORM. PONDING OF WATER ON ROADS AND POOR DRAINAGE AREAS
WILL OCCUR.

JPV

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 4:30 PM EDTSevere Thunderstorm WarningALYSaratoga, Warren, Washington60 min
Jun 25, 4:33 PM EDTSevere Thunderstorm WarningALYWarren, Washington72 min
Jun 25, 4:40 PM EDTAreal Flood AdvisoryALYWarren3 hr
Jun 25, 5:25 PM EDTSevere Thunderstorm WarningALYWarren65 min
Jun 25, 6:06 PM EDTFlash Flood WarningALYWarren2 hr
Jun 25, 7:11 PM EDTSevere Thunderstorm WarningALYAlbany, Schoharie64 min

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.