Alert archive / New York / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 120, NWS Albany, NY

July 10, 2007Warren County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jul 10, 2007, 1:54 PM EDT for Warren County, New York. It was in force for 66 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
Jul 10, 2007, 1:54 PM EDT (17:54 UTC)
Expired
Jul 10, 2007, 3:00 PM EDT
In force
66 min
Issued by
NWS Albany, NY
Area
Counties, with a storm outline in the text

County Warren County, NY

The radar

The Albany radar (KENX), 110 km from the middle of the area, began a volume at 17:54 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
Jul 10, 12:59 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 5.9 hours before the alert went out and 97 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 2007-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2432 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 2007-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
2432 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
686 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
51 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.0

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 Jul 10, 1:47 PM EDT, 7 minutes earlier.

Area forecast discussion, Jul 10, 1:47 PM EDT, 7 minutes before
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Hazardous weather outlook, Jul 10, 1:14 PM EDT, 40 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ALBANY NY
114 PM EDT TUE JUL 10 2007

MAZ001-025-NYZ032-033-038>043-047>054-058>061-082>084-VTZ013>015-
111100-
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-NORTHERN FULTON-SOUTHEAST WARREN-
SOUTHERN WASHINGTON-BENNINGTON-WESTERN WINDHAM-EASTERN WINDHAM-
114 PM EDT TUE JUL 10 2007

...SEVERE THUNDERSTORM WATCH 505 IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE BERKSHIRES OF WESTERN
MASSACHUSETTS...THE SOUTHERN ADIRONDACKS...MOHAWK VALLEY...CAPITAL
REGION...SCHOHARIE VALLEY...THE LAKE GEORGE AND SARATOGA SPRINGS
REGION...THE EASTERN CATSKILLS...AND THE MID AND UPPER HUDSON VALLEY
REGION OF 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.

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

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS AGAIN WEDNESDAY
AFTERNOON AND EVENING. THE MAIN THREATS WILL BE DAMAGING WIND
GUSTS IN EXCESS OF 58 MPH AND LARGE HAIL. THE THUNDERSTORMS WILL
DEVELOP ALONG AND AHEAD OF A COLD FRONT THAT WILL MOVE THROUGH THE
REGION LATE WEDNESDAY AND WEDNESDAY EVENING. THUNDERSTORMS THAT
DEVELOP WILL MOVE FROM SOUTHWEST TO NORTHEAST AROUND 20 TO 30 MPH.

HEAVY DOWNPOURS WILL ONCE AGAIN BE POSSIBLE WEDNESDAY AFTERNOON
AND EVENING...POSSIBLY LEADING TO PONDING OF WATER IN URBAN AND
POOR DRAINAGE LOCATIONS.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS HAVE BEEN ACTIVATED IN THE FOLLOWING COUNTIES...

IN NEW YORK...

ALBANY...COLUMBIA...FULTON...GREENE...HAMILTON...HERKIMER...
MONTGOMERY...RENSSELAER...SARATOGA...SCHENECTADY...SCHOHARIE...
WARREN...AND WASHINGTON.

IN SOUTHERN VERMONT...

BENNINGTON...AND WINDHAM.

AND IN WESTERN MASSACHUSETTS...

BERKSHIRE.

CTZ001-013-NYZ063>066-111100-
NORTHERN LITCHFIELD-SOUTHERN LITCHFIELD-WESTERN ULSTER-
EASTERN ULSTER-WESTERN DUTCHESS-EASTERN DUTCHESS-
114 PM EDT TUE JUL 10 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWESTERN CONNECTICUT AND
THE LOWER MID HUDSON VALLEY OF EAST CENTRAL NEW YORK.

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON. ANY
THUNDERSTORMS THAT OCCUR WILL BE CAPABLE OF PRODUCING ISOLATED
DAMAGING WIND GUSTS...AND LARGE HAIL.

ALSO THIS AFTERNOON...VERY WARM TEMPERATURES AND HIGH HUMIDITY
LEVELS WILL COMBINE TO PRODUCE HEAT INDEX VALUES APPROACHING 100
DEGREES IN VALLEY LOCATIONS.

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

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS AGAIN WEDNESDAY
AFTERNOON AND EVENING. THE MAIN THREATS WILL BE DAMAGING WIND
GUSTS IN EXCESS OF 58 MPH AND LARGE HAIL. THE THUNDERSTORMS WILL
DEVELOP ALONG AND AHEAD OF A COLD FRONT THAT WILL MOVE THROUGH THE
REGION LATE WEDNESDAY AND WEDNESDAY EVENING. THUNDERSTORMS THAT
DEVELOP WILL MOVE FROM SOUTHWEST TO NORTHEAST AROUND 20 TO 30 MPH.

HEAVY DOWNPOURS WILL ONCE AGAIN BE POSSIBLE WEDNESDAY AFTERNOON
AND EVENING...POSSIBLY LEADING TO PONDING OF WATER IN URBAN AND
POOR DRAINAGE LOCATIONS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

KL

In the hours before

Local storm report, Jul 10, 12:47 PM EDT, 1 hour 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBANY NY
1247 PM EDT TUE JUL 10 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0920 PM     TSTM WND DMG     CLEMONS                 43.64N 73.45W
07/09/2007                   WASHINGTON         NY   PARK/FOREST SRVC

            MULTIPLE TREES DOWN.

0800 PM     TSTM WND DMG     NEW LEBANON             42.47N 73.39W
07/09/2007                   COLUMBIA           NY   LAW ENFORCEMENT

            WIRES DOWN

0755 PM     TSTM WND DMG     MINDENVILLE             42.99N 74.72W
07/09/2007                   MONTGOMERY         NY   LAW ENFORCEMENT

            MULTIPLE TREES DOWN

&&

KSUTKEVI
Local storm report, Jul 10, 12:49 PM EDT, 1 hour 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBANY NY
1249 PM EDT TUE JUL 10 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0920 PM     TSTM WND DMG     DRESDEN CENTER          43.63N 73.45W
07/09/2007                   WASHINGTON         NY   UNKNOWN

            TREES DOWN

&&

KSUTKEVI

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 8:46 PM EDTSevere Thunderstorm WarningALYWarren, Washington48 min
Jul 10, 7:09 PM EDTSevere Thunderstorm WarningALYWarren66 min
Jul 9, 10:25 PM EDTSevere Thunderstorm WarningALYWindham33 min
Jul 10, 5:06 PM EDTSevere Thunderstorm WarningALYWindham54 min
Jul 10, 6:33 PM EDTSevere Thunderstorm WarningALYWindham72 min

Nearby

Severe Thunderstorm Warnings in New York, 2007Every severe thunderstorm warning in 2007

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.