Alert archive / Ohio / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 20, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at May 30, 1987, 4:38 PM EDT for Columbiana County, Ohio. It was in force for 52 min.
The area
The counties it named.
The facts
- Issued
- May 30, 1987, 4:38 PM EDT (20:38 UTC)
- Expired
- May 30, 1987, 5:30 PM EDT
- In force
- 52 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Columbiana County, OH
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 8.6 hours before the alert went out and 70 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 KYNG 302038 SVRYNG OHC029-302130- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE YOUNGSTOWN OH 438 PM EDT SAT MAY 30 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 530 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTY OF NORTHEAST OHIO...COLUMBIANA AT 435 PM RADAR INDICATED A POSSIBLE SEVERE THUNDERSTORM OVER EXTREME WESTERN COLUMBIANA COUNTY MOVING SLOWLY EAST. THIS STORM WILL LIKELY PRODUCE LARGE HAIL..FREQUENT LIGHTNING..AND HEAVY RAINS THAT WILL CAUSE TEMPORARY FLOODING. WHEN A THUNDERSTORM THREATENS ALL LIGHTNING EXPERTS AGREE THAT THE MOST IMPORTANT SINGLE THING YOU CAN DO IS T:O GET INSIDE A HOME OR LARGE BUILDING. IF YOU DO NOT HAVE TIME TO REACH A SAFE BUILDING.. AVOID OPEN FIELDS SUCH AS GOLF COURSES.. BASEBALL FIELDS.. BEACHES OR FISHING FROM A SMALL BOAT OR PIERS. TRP
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, May 30, 11:44 AM EDT, 4 hours 54 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, 4 hours 24 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, 3 hours 12 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
Special weather statement, May 30, 3:45 PM EDT, 53 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 345 PM EDT SAT MAY 20 1987 SEVERE THUNDERSTORM WATCHES REMAIN IN EFFECT FOR ALL OF OHIO EXCEPT THE NORTHWEST COUNTIES UNTIL 8 PM EDT. AT 320 PM EDT WEATHER SERVICE RADAR SHOWED A LINE OF THUNDERSTORMS FROM THE NORTHEAST CORNER OF OHIO TO CLEVELAND... AND THEN TO COLUMBUS. A RELATIVELY LARGE AREA OF THUNDERSTORMS COVERED MOST OF THE STATE SOUTH AND WEST OF COLUMBUS. MOST OF THE THUNDERSTORMS WERE MOVING NORTHEAST AT ABOUT 20 MPH. THE THUNDERSTORMS THAT DEVELOPED IN OHIO THIS AFTERNOON ARE CAPABLE OF PRODUCING BOTH LARGE HAIL AND DAMAGING WINDS. HAILSTONES 3/4 INCH IN DIAMETER FELL ON ASHTABULA COUNTY BETWEEN 215 PM AND 230 PM. THE WEATHER SERVICE RECEIVED AN UNCOMFIRMED REPORT OF WIND DAMAGE FROM THE GEAUGA COUNTY COMMMUNITY OF THOMPSON AT 305 PM. BESIDES HAIL AND HIGH WINDS... OHIOANS COULD ALSO EXPERIENCE HEAVY DOWNPOORS FROM THE THUNDERSTORMS MOVING ACROSS THE STAjTE. RESIDENTS OF THE BUCKEYE STATE SHOULD REMAIN ALERT FOR THREATENING WEATHER AND LISTEN FOR LATEST STATEMENTS FROM THE WEATHER SERVICE. KWIATKOWSKI
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 11:00 AM EDT | Severe Thunderstorm Warning | CLE | Stark | 60 min |
| May 30, 1:20 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning | 40 min |
| May 30, 2:14 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula, Geauga | 61 min |
| May 30, 2:18 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga | 57 min |
| May 30, 2:31 PM EDT | Severe Thunderstorm Warning | CLE | Lorain | 74 min |
| May 30, 4:20 PM EDT | Severe Thunderstorm Warning | CLE | Lorain | 70 min |
| May 30, 4:34 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga | 76 min |
| May 30, 4:58 PM EDT | Severe Thunderstorm Warning | CLE | Holmes, Stark | 62 min |
| May 30, 5:12 PM EDT | Severe Thunderstorm Warning | CLE | Wayne | 58 min |
| May 30, 5:16 PM EDT | Severe Thunderstorm Warning | CLE | Hancock | 64 min |
| May 30, 5:55 PM EDT | Severe Thunderstorm Warning | CLE | Guernsey | 65 min |
| May 30, 6:09 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 71 min |
| May 30, 6:47 PM EDT | Severe Thunderstorm Warning | CLE | Medina | 63 min |
| May 30, 7:10 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga | 60 min |
Nearby
Severe Thunderstorm Warnings in Ohio, 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; the sounding from the Mesonet's radiosonde archive.