Alert archive / Pennsylvania / Flash Flood Warnings in 1988

Flash Flood Warning 7, NWS State College, PA

May 19, 1988Lancaster County, Pennsylvania

NWS State College, PA issued this flash flood warning at May 19, 1988, 7:34 AM EDT for Lancaster County, Pennsylvania. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
May 19, 1988, 7:34 AM EDT (11:34 UTC)
Expired
May 19, 1988, 1:30 PM EDT
In force
6 hr
Issued by
NWS State College, PA
Area
Whole counties

County Lancaster County, PA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 00:00Z, 11.6 hours before the alert went out and 163 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, Atlantic City In, NJ at 00:00Z on 1988-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Atlantic City In, NJ at 00:00Z on 1988-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 square meters per square second.193958Sfc1 km3 km6 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
714 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
77 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.

The office that day

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

IssuedProductOfficeCountiesLasted
May 18, 8:28 PM EDTFlash Flood WarningCTPFranklin6 hr
May 18, 11:31 PM EDTFlash Flood WarningCTPAdams5 hr
May 19, 5:46 AM EDTFlash Flood WarningCTPAdams6 hr
May 19, 8:45 AM EDTFlash Flood WarningCTPClinton6 hr
May 19, 1:19 PM EDTFlash Flood WarningCTPFranklin6 hr
May 19, 2:10 PM EDTFlash Flood WarningCTPLycoming6 hr

Nearby

Flash Flood Warnings in Pennsylvania, 1988Every flash flood warning in 1988

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.