Alert archive / New York / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 41, NWS Albany, NY

July 15, 1997Greene County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jul 15, 1997, 1:49 PM EDT for Greene County, New York. It was in force for 56 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 15, 1997, 1:49 PM EDT (17:49 UTC)
Expired
Jul 15, 1997, 2:45 PM EDT
In force
56 min
Issued by
NWS Albany, NY
Area
Whole counties

County Greene County, NY

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 5.8 hours before the alert went out and 52 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 1997-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1020 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 1997-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
1020 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
794 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Special weather statement, Jul 15, 10:42 AM EDT, 3 hours 7 minutes before
NYZ032-033-038>043-047>054-058>061-063>066-MAZ001-VTZ013-014-
CTZ001-160000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
1042 AM EDT TUE JUL 15 1997

...THUNDERSTORMS THIS AFTERNOON WILL PRODUCE VERY HEAVY RAIN
AND POSSIBLE FLOODING...

A VERY WARM AND HUMID AIRMASS WILL REMAIN ACROSS EASTERN NEW YORK AND
ADJACENT WESTERN NEW ENGLAND THIS AFTERNOON AND EVENING. AS
TEMPERATURES RISE DURING THE AFTERNOON THE ATMOSPHERE WILL
DESTABILIZE AND THUNDERSTORMS PRODUCING TORRENTIAL RAINFALL WILL
DEVELOP. THE THREAT OF VERY HEAVY RAIN WILL INITIALLY BE GREATEST
ACROSS THE HIGHER TERRAIN...ESPECIALLY TO THE NORTH OF ALBANY. BY
LATE AFTERNOON THUNDERSTORMS WILL BE SCATTERED ACROSS MUCH OF EASTERN
NEW YORK AND ADJACENT WESTERN NEW ENGLAND.

THE THUNDERSTORMS THAT DO DEVELOP WILL BE CAPABLE OF PRODUCING
LOCALIZED AREAS OF VERY HEAVY RAIN AND FLOODING. THESE STORMS WILL
MOVE VERY SLOWLY AND LIKELY CONTINUE TO DROP HEAVY RAIN OVER THE SAME
LOCATIONS FOR A PROLONGED PERIOD OF TIME. THE THREAT OF ISOLATED
FLOODING IS REAL BUT SHOULD BE CONFINED TO LOCALIZED AREAS.

THE NATIONAL WEATHER SERVICE WILL CONTINUE TO MONITOR THE SITUATION
THROUGH THE AFTERNOON. SHORT TERM FORECASTS WILL PINPOINT LOCATIONS
OF THUNDERSTORMS...HEAVY RAIN AND POSSIBLE FLOODING. LISTEN TO NOAA
WEATHER RADIO...THE OFFICIAL VOICE OF THE NATION WEATHER SERVICE FOR
UPDATED INFORMATION.

BLAES /NWSFO ALY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 1:49 PM EDTFlash Flood WarningALYGreene56 min
Jul 15, 2:23 PM EDTSevere Thunderstorm WarningALYUlster67 min
Jul 15, 2:55 PM EDTSevere Thunderstorm WarningALYSaratoga65 min
Jul 15, 3:30 PM EDTSevere Thunderstorm WarningALYSaratoga, Washington60 min
Jul 15, 4:08 PM EDTSevere Thunderstorm WarningALYDutchess67 min
Jul 15, 4:39 PM EDTSevere Thunderstorm WarningALYWarren51 min
Jul 15, 5:36 PM EDTFlash Flood WarningALYHerkimer69 min
Jul 15, 5:36 PM EDTSevere Thunderstorm WarningALYHerkimer69 min

Nearby

Severe Thunderstorm Warnings in New York, 1997Every severe thunderstorm warning in 1997

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.