Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 2, NWS Cleveland, OH

February 22, 1997Erie County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Feb 22, 1997, 3:12 AM EST for Erie County, Pennsylvania. It was in force for 48 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Feb 22, 1997, 3:12 AM EST (08:12 UTC)
Expired: Feb 22, 1997, 4:00 AM EST
In force: 48 min
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 08:13 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.

What was reported inside it

Time	Report	Where	Remark
Feb 22, 4:00 AM EST	Thunderstorm Wind 60	Edinboro, PA

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 8.2 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 8 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 1383 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 183 m²/s²
0-3 km storm-relative helicity: 282 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 220814 RRA
SVRCLE
PAC049-220900-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
312 AM EST SAT FEB 22 1997
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  400 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN  PENNSYLVANIA
 
   ...ERIE COUNTY
 
AND THE ADJACENT WATERS OF LAKE ERIE
 
 
NATIONAL WEATHER SERVICE DOPPLER RADAR IN CLEVELAND AT 310 AM EST
INDICATED A SEVERE THUNDERSTORM 10 MILES SOUTHEAST OF ASHTABULA. THIS
STORM IS MOVING NORTHEAST AT 65 MILES PER HOUR AND WILL MOVE INTO
WESTERN ERIE COUNTY BY 325AM. THE STORM WILL TRACK ALONG INTERSTATE 90
THROUGH 345AM. THE COMMUNITIES OF WEST SPRINGFIELD THROUGH THE CITY OF
ERIE CAN EXPECT WIND GUSTS IN EXCESS OF 60 MPH WITH THIS STORM.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
 
MILLER

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1997 Every severe thunderstorm warning in 1997

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.