Alert archive / Pennsylvania / Flash Flood Warnings in 1996

Flash Flood Warning 86, NWS State College, PA

June 19, 1996Huntingdon County, Pennsylvania

NWS State College, PA issued this flash flood warning at Jun 19, 1996, 9:04 PM EDT for Huntingdon 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 19, 1996, 9:04 PM EDT (01:04 UTC)
Expired
Jun 20, 1996, 3:00 AM EDT
In force
6 hr
Issued by
NWS State College, PA
Area
Whole counties

County Huntingdon County, PA

The radar

The State College radar (KCCX), 56 km from the middle of the area, began a volume at 01:05 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.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 1.1 hours before the alert went out and 171 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 1996-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2035 joules per kilogram.LCLEL10008507005003002001001 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 1996-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
2035 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
747 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.6
Supercell composite
5.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KCTP 200105
FFWCTP
PAC061-200700-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
904 PM EDT WED JUN 19 1996
 
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  300 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN  PENNSYLVANIA
 
   ...SOUTHERN HUNTINGDON COUNTY
 
THE AUGHWICK CREEK IN SOUTHERN HUNTINGDON COUNTY REMAINS HIGH.  THE
READING AT SHIRLEYSBURG WAS AROUND THE 10 FOOT MARK AT 850 PM AND SLOWLY
FALLING. WATER LEVELS WILL CONTINUE TO FALL OVERNIGHT...BUT PERSONS NEAR
THE CREEK SHOULD USE CAUTION AND STAY AWAY FROM FLOODED AREAS AND ROADS.
 
FLOODED ROADS ARE ESPECIALLY DANGEROUS AT NIGHT...AS FLOODED AREAS ARE
HARD TO SEE IN THE DARK.
 
MARTIN

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 19, 7:55 PM EDT, 1 hour 9 minutes earlier.

Area forecast discussion, Jun 19, 7:55 PM EDT, 1 hour 9 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
800 PM EDT WED JUN 19 1996

LOOKS LIKE BEST LL CONV WOULD BE UP TOWARD ERI...STRONG CELL JUST
EAST OF THEM.

EXPECT THINGS TO WEAKEN...AS STORMS HEAD INTO MORE STABLE AIR AND
DAYTIME HEATING IS LOST...AND BEST FORCING STAYS UP OVER NY.

STILL A CHC FOR A FEW HEAVY DUMPERS...ESP. NY/PA BORDER...IF
ANYTHING TRYS TO RIDE EASTWARD FROM LAKE ERIE...AND ACROSS SW
PA...AS HCELL NEAR PIT TRACKS E-SE.

PHI...AS DISC...OK SO FAR.

PIT...CAN SEE WHAT THINGS LOOK LIKE BEFORE ZONES GO OUT.

ACTIVITY SHOULD SHUT DOWN FROM W TO E THU AFT/EVEN.

NO COOL WX SEEN ANYWHERE.

MARTIN

The office that day

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

IssuedProductOfficeCountiesLasted
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, 5:16 PM EDTSevere Thunderstorm WarningCTPLycoming59 min
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

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; radar from the NEXRAD Level II archive.