Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 17, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at May 30, 1987, 2:50 PM EDT for Crawford County, Erie County, Pennsylvania. It was in force for 60 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
- May 30, 1987, 2:50 PM EDT (18:50 UTC)
- Expired
- May 30, 1987, 3:50 PM EDT
- In force
- 60 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
Counties Crawford County, PA, 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 |
|---|---|---|---|
| May 30, 3:00 PM EDT | Hail 0.75 | 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
Pittsburgh, PA (KPIT), launched 12:00Z, 6.8 hours before the alert went out and 166 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
- 1755 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 1131 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- -18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KERI 301850 RRA
SVRERI
PAC049-039-301950-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ERIE PA
250 PM EDT SAT MAY 30 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 350 PM EDT FOR THE FOLLOWING COUNTIES OF
NORTHWESTERN PENNSYLVANIA... ERIE... CRAWFORD
{INCLUDING ADJACENT WATERS OF LAKE ERIE}
AT 235 PM RADAR SHOWED SEVERE THUNDERSTORMS IN SOUTHWEST ERIE AND
NORTHWEST CRAWFORD COUNTIES IN NORTHWEST PENNSYLVANIA.
PEA SIZE HAIL VERY HEAVY DOWNPOURS AND EXTENSIVE CLOUD TO GROUND
LIGHTNING HAVE BEEN REPORTED WITH THESE STORMS IN THE PAST HOUR.
THIS THUNDERSTORM MAY PRODUCE LARGE HAIL...HEAVY RAIN...DAMAGING WIND`S
AND DANGEROUS LIGHTNING. SEEK SHELTER FROM THIS STORM.
TPWhat 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, May 30, 11:44 AM EDT, 3 hours 6 minutes before
UPDATED SEVERE WEATHER OUTLOOK FOR OHIO NATIONAL WEATHER SERVICE CLEVELAND OH 1145 AM EDT SAT MAY 30 1987 THE NATIONAL SEVERE STORMS FORECAST CENTER IN KANSAS CITY SAYS THAT THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS DEVELOPING IN OHIO THIS AFTERNOON AND EVENING. MONTGOMERY
Special weather statement, May 30, 12:14 PM EDT, 2 hours 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
1215 PM EDT SAT MAY 30 1987
HEAVY THUNDERSTORMS ARE HEADED INTO COLUMBIANA COUNTY.
NATIONAL WEATHER SERVICE RADAR INDICATES A HEAVY THUNDERSTORM
ALONG THE WESTERN BORDER OF COLOMBIANA COUNTY IN OHIO LOCATED
FROM MINERVA TO ALLIANCE. THE STORM IS MOVING EAST AT ABOUT 15 MPH
AND WILL MOVE THROUGH COLUMBIANA COUNTY BETWEEN 1230 PM AND 200 PM.
RADAR ALSO SHOWS NEW THUNDERSTORMS DEVELOPING OVER MAHONING COUNTY.
MOTORISTS AND RESIDENTS SHOULD PREPARE FOR HEAVY DOWNPOURS WITH THESE
STORMS THAT WILL REDUCE VISIBILITY TO NEAR ZERO AND CAUSE SOME
TEMPORARY STREET FLOODING. FREQUENT DANGEROUS LIGHTNING... SMALL HAIL
BRIEF GUSTY 4WINDS ARE ALSO LIKELY. PEOPLE OUTDOORS SHOULD BE READY TO
TAKE COVER WHEN THESE STORMS APPROACH.
KOSARIK
[Special weather statement, May 30, 1:26 PM EDT, 1 hour 24 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 120 PM EDT SAT MAY 30 1987 VERY HEAVY THUNDERSTORMS WERE DEVELOPING OVER LAKESHORE COUNTIES. AT 120 THIS AFTERNOON WEATHER RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAINS IN EASTERN LAKE... NORTHEAST GEAUGA COUNTIES. THEY WERE MOVING NORTHEAST INTO ASHTABULA COUNTY. A THUNDERSTORM WITH HEAVY RAIN WAS ALONG ROUTE 224 BETWEEN GREENWHICH AND LODI IN NORTHERN ASHLAND COUNTY. A THUNDERSTORM WITH VERY HEAVY RAIN WAS SOUTH OF LAKESHORE AREA IT WAS NORTHWEST OF MANSFIELD NEAR THE CITY OF SHELBY IN NORTHWEST RICHLAND COUNTY. THE STORMS WERE MOVING NORTHEAST AROUND 15 MILES AN HOUR. THEY WILL CONTINUE TO DEVELOP OVER THE LAKESHORE AREA THROUGH THE AFTERNOON. THEY CAN PRODUCE VERY HEAVY RAINS... HAIL.. AND GUSTY WINDS. THOMPSON
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 1:38 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 67 min |
| May 30, 1:52 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 68 min |
| May 30, 6:25 PM EDT | Severe Thunderstorm Warning | CLE | Potter | 65 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1987Every severe thunderstorm warning in 1987
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.