Alert archive / Pennsylvania / Flash Flood Warnings in 1996

Flash Flood Warning 96, NWS Cleveland, OH

June 18, 1996Erie County, Pennsylvania

NWS Cleveland, OH issued this flash flood warning at Jun 18, 1996, 8:58 AM EDT for Erie County, Pennsylvania. It was in force for 3 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 18, 1996, 8:58 AM EDT (12:58 UTC)
Expired
Jun 18, 1996, 12:00 PM EDT
In force
3 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 13:01 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, 1.0 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 1996-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 1996-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
614 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
44 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 181303
FFWCLE
PAC049-181600-
 
FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
858 AM EDT TUE JUN 18 1996
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
FLOOD WARNING FOR URBAN AREAS AND SMALL STREAM
EFFECTIVE UNTIL NOON EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN  PENNSYLVANIA
 
   ...ERIE COUNTY
 
HEAVY RAIN FROM PERSISTENT SHOWERS AND THUNDERSTORMS WILL
CONTINUE FOR THE REST OF THE MORNING ACROSS ERIE COUNTY.
CONSEQUENTLY, THE FLOOD WARNING FOR URBAN AREAS AND SMALL
STREAMS HAS BEEN EXTENDED UNTIL NOON.  RAINFALL AMOUNTS
OF 2.5 TO 3.5 INCHES HAVE OCCURRED SINCE EARLY THIS MORNING
AND RAINFALL TOTALS COULD REACH 3.5 TO OVER 4 INCHES BY
NOON.  MINOR FLOODING OF URBAN AREAS AND SMALL STREAMS
WILL CONTINUE UNTIL NOON.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.
 
 
LAPLANTE

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.

In the hours before

Special weather statement, Jun 18, 6:31 AM EDT, 2 hours 27 minutes before
OHZ002-003-005>014-017>023-027>033-036>038-047-PAZ001>003-190600-

SPECIAL WEATHER STATEMENT - SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CLEVELAND OH
631 AM EDT TUE JUN 18 1996

THE STORM PREDICTION CENTER IN KANSAS CITY MISSOURI SAYS THAT ALL OF
NORTHERN OHIO AND NORTHWEST PENNSYLVANIA HAS A RISK OF SEVERE
THUNDERSTORMS TODAY AND EARLY TONIGHT.

A STATIONARY FRONT ACROSS CENTRAL OHIO WILL MOVE SLOWLY NORTHEAST AS A
WARM FRONT LATER TODAY AND TONIGHT.  THIS WILL CAUSE THUNDERSTORMS TO
DEVELOP ALONG THE FRONT AS THE AIRMASS OVER THE AREA IS MOIST AND
UNSTABLE.  MANY OF THE STORMS WILL CONTAIN LOCALLY HEAVY RAIN AND A FEW
OF THE STORMS MAY BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS.

THE MOST FAVORABLE TIME FOR THE SEVERE STORMS WILL BE DURING THE
AFTERNOON AND EARLY EVENING HOURS WHEN THE TEMPERATURES ARE THE WARMEST.

PEOPLE IN THE AREA NEED TO KEEP AN EYE ON THE SKY AND BE READY TO MOVE
TO SAFETY IF WARNINGS ARE ISSUED O&R THREATENING WEATHER OCCURS.

ADAMS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 6:18 AM EDTFlash Flood WarningCLEErie3 hr
Jun 18, 9:40 AM EDTFlash Flood WarningCLEErie65 min
Jun 18, 9:48 AM EDTFlash Flood WarningCLEErie3 hr
Jun 18, 12:34 PM EDTFlash Flood WarningCLEErie116 min
Jun 18, 4:50 PM EDTFlash Flood WarningCLECrawford3 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.