Alert archive / Pennsylvania / Flash Flood Warnings in 1996

Flash Flood Warning 187, NWS Cleveland, OH

September 17, 1996Erie County, Pennsylvania

NWS Cleveland, OH issued this flash flood warning at Sep 17, 1996, 10:59 AM EDT for Erie County, Pennsylvania. It was in force for 2 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
Sep 17, 1996, 10:59 AM EDT (14:59 UTC)
Expired
Sep 17, 1996, 1:00 PM EDT
In force
2 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

County Erie County, PA

The radar

The Buffalo radar (KBUF), 145 km from the middle of the area, began a volume at 15:00 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 3.0 hours before the alert went out and 146 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 1996-09-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 20 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 1996-09-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
20 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
534 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCLE 171500
FFWCLE
PAC049-171659-

FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1059 AM EDT TUE SEP 17 1996

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
FLOOD WARNING URBAN AREAS AND SMALL STREAMS UNTIL 1 PM
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN PENNSYLVANIA
....ERIE COUNTY


MODERATE TO HEAVY SHOWERS WILL CONTINUE ACROSS NORTHERN ERIE COUNTY IN
PENNSYLVANIA THROUGH EARLY AFTERNOON. THESE SHOWERS HAVE PRODUCED MORE
THAN ONE INCH OF RAIN OVER PORTIONS OF ERIE SINCE 10AM. THIS HAS CAUSED
SOME PONDING OF WATER IN LOWLYING AREAS AND MAY CAUSED HAZARDOUS
DRIVING CONDITIONS AND FLOODING OF SMALL STREAMS. RESIDENTS IN ERIE
COUNTY CAN EXPECT THESE CONDITIONS TO CONTINUE THROUGH EARLY AFTERNOON.

DRIVERS SHOULD BE CAUTIOUS AND DO NOT ATTEMPT TO DRIVE THROUGH FLOODED
ROADWAYS.  

END/RINGO

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 17, 11:43 AM EDTFlash Flood WarningCLEErie3 hr
Sep 17, 12:54 PM EDTFlash Flood WarningCLECrawford3 hr
Sep 17, 1:34 PM EDTFlash Flood WarningCLEErie4 hr
Sep 17, 3:19 PM EDTFlash Flood WarningCLECrawford3 hr
Sep 17, 5:45 PM EDTFlash Flood WarningCLEErie3 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.