Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 135, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Sep 26, 1986, 1:17 PM EDT for Erie County, Pennsylvania. It was in force for 58 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
- Sep 26, 1986, 1:17 PM EDT (17:17 UTC)
- Expired
- Sep 26, 1986, 2:15 PM EDT
- In force
- 58 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Erie County, PA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 26, 1:45 PM EDT | Thunderstorm Wind 0 | Erie, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 5.3 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.
- Mixed-layer CAPE
- 888 J/kg
- Mixed-layer CIN
- -94 J/kg
- Mixed-layer LCL
- 679 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 5.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KERI 261717 SVRERI PAC049-261815- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ERIE PA 117 PM EDT FRI SEP 26 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 215 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF NORTHWEST PENNSYLVANIA...ERIE AND AND ADJACENT LAKE ERIE WATERS AT 110 PM EDT A SEVERE THUNDERSTORM WAS INDICATED BY RADAR JUST NORTH OF THE ERIE AIRPORT AREA MOVING EAST AT 30 MILES AND HOUR. THIS SLOW MOVING THUNDERSTORM MAY CAUSE FLOODING OF SMALL STREAMS AND UNDERPASSES THIS STORM IS ACCOMPANIED BY INTENSE LIGHTNING AND STRONG GUSTY WINDS. SMALL BOATERS ON LAKE ERIE SHOULD HEAD FOR A SAFE HARBOR,
What forecasters said that day
The local office's own words before this severe thunderstorm 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, Sep 26, 8:23 AM EDT, 4 hours 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
816 AM EDT FRI SEP 26 1986
...HEAVY THUNDERSTORMS ALONG THE PENNSYLVANIA LAKESHORE...
AT 815 THIS MORNING HEAVY SHOWERS AND THUNDERSTORMS WERE OCCURRING ALONG
THE PENNSYLVANIA LAKESHORE AND THROUGHOUT MOST OF ERIE COUNTY IN
NORTHWEST PENNSYLVANIA.
THESE HEAVY SHOWERS AND THUNDERSTORMS FORMED ALONG A WARM FRONT WHICH
LIES ALONG THE LAKESHORE THIS MORNING. THESE SHOWERS AND THUNDERLSTORMS
ARE PRODUCING VERY HEAVY DOWNPOURS WHICH ARE CAUSING FLOODING OF STREETS
AND OTHER LOW LYING AREAS...GUSTY WINDS AND DANGEROUS LIGHTNING ARE ALSO
BEING PRODUCED BY THESE STORMS.
THE STORMS ARE CURRENTLY MOVING TOWARDS THE EASTSpecial weather statement, Sep 26, 8:25 AM EDT, 4 hours 52 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
823 AM EDT FRI SEP 26 1986
...HEAVY THUNDERSTORMS ALONG THE PENNSYLVANIA LAKESHORE...
AT 815 THIS MORNING HEAVY SHOWERS AND THUNDERSTORMS WERE OCCURRING ALONG
THE PENNSYLVANIA LAKESHORE AND THROUGHOUT MOST OF ERIE COUNTY IN
NORTHWEST PENNSYLVANIA.
THESE HEAVY SHOWERS AND THUNDERSTORMS FORMED ALONG A WARM FRONT WHICH
LIES ALONG THE LAKESHORE THIS MORNING. THESE SHOWERS AND THUNDERSTORMS
ARE PRODUCING VERY HEAVY DOWNPOURS WHICH ARE CAUSING FLOODING OF STREETS
AND OTHER LOW LYING AREAS...GUSTY WINDS AND DANGEROUS LIGHTNING ARE ALSO
BEING PRODUCED BY THESE STORMS.
THE STORMS ARE MOVING TOWARDS THE EAST AT 30 MILES AN HOUR.
N
PARRISHSpecial weather statement, Sep 26, 12:17 PM EDT, 1 hour before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
1215 PM EDT FRI SEP 26 1986
VERY HEAVY THUNDERSTORMS HAVE DEVELOPED RAPIDLY OVER MERCER COUNTY
IN WESTERN PENNSYLVANIA.
AT 1210 PM HEAVY THUNDERSTORMS WERE EAST OF GREENVILLE TO SANDY LAKE.
THESE THUNDERSTORMS WILL LIKELY CONTAIN FREQUENT CLOUD TO GROUND
LIGHTNING, GUSTY WINDS, AND VERY HEAVY RAIN AS THEY MOVE EAST AT
35 MPH.
CONDITIONS IN NORTHEAST OHIO AND WESTERN PENNSLYVANIA ARE FAVORABLE
FOR MORE THUNDERSTORMS TO DEVELOP. PEOPLE IN THESE AREAS SHOULD BE
READY TO SEEK SHELTER IF THE WEATHER LOOKS THREATENING.
THE HEAVY RAIN WILL LIKELY CAUSE TEMPORARY STREET FLOODING, AND
MOTORIST SHOULD NOT CROSS FLOODED STREETS.
MCMULLEN
[Special weather statement, Sep 26, 12:35 PM EDT, 42 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 1235 PM EDT FRI SEP 26 1986 ...SHOWERS AND THUNDERSTORMS BACK IN NORTHWEST PENNSYLVANIA... AT 1230 WEATHER RADAR INDICATED NUMEROUS SHOWERS AND THUNDERSTORMS FORMING OVER NORTHWEST PENNSYLVANIA...ANOTHER AREA OF SHOWERS AND STRONG THUNDERSTORMS WAS MOVING EASTWARD THROUGH CENTRAL LAKE ERIE AND WILL BE AFFECTING ERIE COUNTY AND ADJACENT LAKE ERIE WATERS BEGINNING AROUND 100 PM THIS AFTERNOON. SOME OF THESE STORMS WILL CONTAIN STRONG GUSTY WINDS...DANGEROUS LIGHTNING AND VERY HEAVY DOWNPOURS WHICH WILL CAUSE FLOODING OF ROADWAYS AND LOW LYING AREAS. BOATERS ON LAKE ERIE SHOULD BE PREPARED TO MOVE TO SAFE HARBOR WHEN THREATENING WEATHER APPROACHES. PRECIPITATION WAS MOVING EASTWARD AT 35 MILES AN HOUR. PARRISH
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 26, 8:35 AM EDT | Severe Thunderstorm Warning | CLE | Erie | 55 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1986Every severe thunderstorm warning in 1986
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.