Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 119, NWS State College, PA

June 20, 1996Lycoming County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jun 20, 1996, 5:16 PM EDT for Lycoming County, Pennsylvania. It was in force for 59 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
Jun 20, 1996, 5:16 PM EDT (21:16 UTC)
Expired
Jun 20, 1996, 6:15 PM EDT
In force
59 min
Issued by
NWS State College, PA
Area
Whole counties

County Lycoming County, PA

The radar

The State College radar (KCCX), 92 km from the middle of the area, began a volume at 21:19 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
Jun 20, 5:30 PM EDTThunderstorm WindWilliamsport, PA

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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.3 hours before the alert went out and 222 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, Buffalo Intl Airport, NY at 12:00Z on 1996-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 271 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, Buffalo Intl Airport, NY at 12:00Z on 1996-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
271 J/kg
Mixed-layer CIN
-95 J/kg
Mixed-layer LCL
889 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

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 State College, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 20, 2:40 PM EDT, 2 hours 36 minutes earlier.

Area forecast discussion, Jun 20, 2:40 PM EDT, 2 hours 36 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
240 PM EDT THU JUN 20 1996

RUNNING LATE ....

LL MOISTURE POOLING ACROSS S-CENTRAL PA/N VA. THIS WILL BE THE AREA
OF CONCERN OVER THE NEXT 3-4 HRS. ELSEWHERE TRW/RW SHOULD DIMINISH
ACROSS W PA SO NO NEED FOR FFA ACROSS W CWA WITH NEW PACKAGE.

COLD FRONT MOVES TO EAST COAST TONIGHT LEAVING DRY AIR IN ITS WAKE.
SKIES SHOULD BECOME PTLY CLDY/MO CLR LATE.

FRIDAY SHO*ULD BE DRY FOR THE MOST PART. APPROACHING MID LEVEL
SHRTWV MAY TRIGGER SOME TRW/RW ACROSS NW PA LATE IN THE DAY.

The office that day

Everything else NWS State College, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 19, 9:04 PM EDTFlash Flood WarningCTPHuntingdon6 hr
Jun 20, 6:37 AM EDTFlash Flood WarningCTPWarren3 hr
Jun 20, 2:30 PM EDTFlash Flood WarningCTPHuntingdon3 hr
Jun 20, 3:30 PM EDTSevere Thunderstorm WarningCTPClinton, Lycoming60 min
Jun 20, 3:48 PM EDTFlash Flood WarningCTPClinton3 hr
Jun 20, 4:16 PM EDTFlash Flood WarningCTPHuntingdon3 hr
Jun 20, 5:11 PM EDTFlash Flood WarningCTPFranklin, Fulton3 hr
Jun 20, 5:46 PM EDTFlash Flood WarningCTPUnion3 hr
Jun 20, 6:14 PM EDTFlash Flood WarningCTPCentre3 hr
Jun 20, 6:41 PM EDTFlash Flood WarningCTPAdams3 hr
Jun 20, 7:33 PM EDTFlash Flood WarningCTPHuntingdon3 hr
Jun 20, 7:38 PM EDTSevere Thunderstorm WarningCTPDauphin, Perry67 min
Jun 20, 7:52 PM EDTFlash Flood WarningCTPAdams, Franklin3 hr
Jun 20, 7:52 PM EDTFlash Flood WarningCTPFulton3 hr

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1996Every severe thunderstorm warning in 1996

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.