Alert archive / Pennsylvania / Flash Flood Warnings in 1996

Flash Flood Warning 51, NWS State College, PA

June 12, 1996Franklin County, Pennsylvania

NWS State College, PA issued this flash flood warning at Jun 12, 1996, 5:00 AM EDT for Franklin County, Pennsylvania. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 12, 1996, 5:00 AM EDT (09:00 UTC)
Expired
Jun 12, 1996, 11:00 AM EDT
In force
6 hr
Issued by
NWS State College, PA
Area
Whole counties

County Franklin County, PA

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 9.0 hours before the alert went out and 112 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, Washington/Dulle, VA at 00:00Z on 1996-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1284 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, Washington/Dulle, VA at 00:00Z on 1996-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
1284 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
873 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.5
Supercell composite
4.6

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 flash flood 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 flash flood warning went out at Jun 12, 2:11 AM EDT, 2 hours 49 minutes earlier.

Area forecast discussion, Jun 12, 2:11 AM EDT, 2 hours 49 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 8:38 PM EDTFlash Flood WarningCTPFranklin3 hr
Jun 11, 9:45 PM EDTSevere Thunderstorm WarningCTPFranklin60 min
Jun 11, 10:10 PM EDTSevere Thunderstorm WarningCTPAdams, Cumberland65 min
Jun 11, 11:40 PM EDTFlash Flood WarningCTPFranklin5 hr
Jun 12, 10:50 AM EDTFlash Flood WarningCTPFranklin5 hr
Jun 12, 1:56 PM EDTSevere Thunderstorm WarningCTPLancaster64 min
Jun 12, 4:13 PM EDTSevere Thunderstorm WarningCTPCumberland62 min
Jun 12, 4:28 PM EDTFlash Flood WarningCTPLancaster4 hr
Jun 12, 4:39 PM EDTSevere Thunderstorm WarningCTPLancaster66 min
Jun 12, 4:48 PM EDTFlash Flood WarningCTPCumberland3 hr
Jun 12, 5:21 PM EDTSevere Thunderstorm WarningCTPNorthumberland, Snyder69 min
Jun 12, 5:39 PM EDTFlash Flood WarningCTPJuniata, Mifflin66 min
Jun 12, 5:39 PM EDTSevere Thunderstorm WarningCTPJuniata, Mifflin66 min
Jun 12, 6:23 PM EDTSevere Thunderstorm WarningCTPPerry67 min

Nearby

Flash Flood Warnings in Pennsylvania, 1996Every flash flood 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; the sounding from the Mesonet's radiosonde archive.