Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 55, NWS Binghamton, NY

August 28, 1997Wayne County, Pennsylvania

NWS Binghamton, NY issued this severe thunderstorm warning at Aug 28, 1997, 5:42 PM EDT for Wayne County, Pennsylvania. It was in force for 63 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 28, 1997, 5:42 PM EDT (21:42 UTC)
Expired
Aug 28, 1997, 6:45 PM EDT
In force
63 min
Issued by
NWS Binghamton, NY
Area
Whole counties

County Wayne County, PA

The radar

The Binghamton radar (KBGM), 83 km from the middle of the area, began a volume at 21:45 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.

What was reported inside it

TimeReportWhereRemark
Aug 28, 6:14 PM EDTThunderstorm WindEquinunk, PAA thunderstorm briefly pulsed to severe limits along and just west of the Delaware River. Some trees were toppled by strong wind gusts in the town of Equinunk.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 9.7 hours before the alert went out and 168 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 1997-08-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 383 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 1997-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.19395878Sfc1 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
383 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
584 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
15 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.

NWS Binghamton, NY wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 28, 2:36 PM EDT, 3 hours 6 minutes earlier.

Area forecast discussion, Aug 28, 2:36 PM EDT, 3 hours 6 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BINGHAMTON NY
222 PM EDT THU AUG 28 1997

FNTL BNDRY AXIS JUST ABT THRU BGM ATTM...BUT LL DRYING OCCURS RATHER
SLOWLY. CONV ACTVTY IN BAND FM JST S OF UCA ACROSS FINGER LKS AND INTO
THE S TIER W OF STEUBEN CTY.

ADDTNL JET ENERGY ROTATING THRU NRN NY ATTM IS ALSO ENHANCING CONV. W/
CD POOL ALFT AND LOW TOP CONV HAIL WL STILL BE THE BIGGEST THREAT EARLY
THIS EVE. ACTVTY SHUD DIE DOWN AFT SUNSET.

DIFF EXIST BTWN MDLS AS TO DEGREE OF DRYING FRI AND STRENGTH OF UL CAP.
COMPARING UPSTREAM SNDGS FEEL THE ETA IS MOST ACCURATE W/ GRT UL WRMING
THAN THE NGM SHOWS. ON THE OTHER HAND LL WL LKLY NOT DRY OUT AS QUICKLY
AS ADVERTISED BY THIS MDL. WL THE|REFORE HAV LOW CHC POPS ADDED FOR ERN
SECTIONS OF CWA. THIS WL LINE UP WELL W/ SURROUNDING OFFICES. COORD W/
BUF AND ALB.

UL RDG GRDLY BUILD ACROSS RGN FOR WEEKEND.

ZONES GONE.

.BGM...NONE.

PB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 28, 3:40 PM EDTSevere Thunderstorm WarningBGMChenango65 min
Aug 28, 4:52 PM EDTSevere Thunderstorm WarningBGMDelaware53 min
Aug 28, 5:30 PM EDTSevere Thunderstorm WarningBGMSullivan60 min
Aug 28, 4:45 PM EDTSevere Thunderstorm WarningBGMSusquehanna60 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.