Alert archive / Ohio / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 41, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at May 1, 1991, 1:45 PM EDT for Columbiana County, Mahoning County, Ohio. It was in force for 60 min. 3 reports 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 1, 1991, 1:45 PM EDT (17:45 UTC)
- Expired
- May 1, 1991, 2:45 PM EDT
- In force
- 60 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
Counties Columbiana County, OH, Mahoning County, OH
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 1, 1:45 PM EDT | Hail 0.75 | Columbiana, OH | |
| May 1, 2:09 PM EDT | Thunderstorm Wind 51 | Mahoning, OH | |
| May 1, 2:30 PM EDT | Thunderstorm Wind 0 | Columbiana, OH |
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, 5.8 hours before the alert went out and 78 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2057 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 134 m²/s²
- 0-3 km storm-relative helicity
- 133 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 011747 SVRYNG OHC029-099-011845- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE YOUNGSTOWN OH 145 PM EDT WED MAY 1 1991 THE NATIONAL WEATHER SERVICE IN YOUNGSTOWN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 245 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST OHIO ...COLUMBIANA COUNTY...MAHONING COUNTY AT 145 PM EDT WEATHER RADAR WAS SHOWING POSSIBLE SEVERE THUNDERSTORMS MOVING INTO WESTERN MAHONING AND COLUMBIANA COUNTIES. THESE STORMS WERE MOVING NORTHEAST AT 45 MPH. STRONG GUSTY WINDS WILL BE THE MAJOR PROBLEMS WITH THESE STORMS. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HBAIL...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. SITES
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 1, 12:19 PM EDT, 1 hour 26 minutes before
OHZ002-003-004-11-011720- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OHIO 1220 PM EDT WED MAY 1 1991 A LINE OF INTENSE THUNDERSTORMS HAVE DEVELOPED OVER NORTHERN OHIO EARLY THIS AFTERNOON. AT 1210 PM EDT A LINE OF THUNDERSTORMS WAS FROM ELYRIA TO MANSFILED MOVING EAST AT 40 MPH. ANOTHER AREA OF STORMS WAS ALONG CLEVELAND'S LAKESHORE. AT NOON SMALL HAIL WAS REPORTED IN LAKEWOOD. PEOPLE AND BOATERS ACROSS CUYAHOGA... ASHLAND... GEAUGA... LORAIN... MEDINA AND LAKE COUNTIES AND EXPECT THESE STORMS BY 100 PM EDT. THESE STORMS MAY PRODUCE DANGEROUS LIGHTNING... HEAVY DOWNPOURS... GUSTY WINDS AND SMALL HAIL.. JOHNSON
Special weather statement, May 1, 12:22 PM EDT, 1 hour 23 minutes before
OHZ002-003-004-011-011720- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE CLEVELAND OHIO 1220 PM EDT WED MAY 1 1991 A LINE OF INTENSE THUNDERSTORMS HAVE DEVELOPED OVER NORTHERN OHIO EARLY THIS AFTERNOON. AT 1210 PM EDT A LINE OF THUNDERSTORMS WAS FROM ELYRIA TO MANSFILED MOVING EAST AT 40 MPH. ANOTHER AREA OF STORMS WAS ALONG CLEVELAND'S LAKESHORE. AT NOON SMALL HAIL WAS REPORTED IN LAKEWOOD. PEOPLE AND BOATERS ACROSS CUYAHOGA... ASHLAND... GEAUGA... LORAIN... MEDINA AND LAKE COUNTIES AND EXPECT THESE STORMS BY 100 PM EDT. THESE STORMS MAY PRODUCE DANGEROUS LIGHTNING... HEAVY DOWNPOURS... GUSTY WINDS AND SMALL HAIL.. JOHNSON CORRECTED COUNTY CODE.
Special weather statement, May 1, 1:06 PM EDT, 39 minutes before
PAZ001-02-011900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 1256 PM EDT WED MAY 01 1991 ...STRONG THUNDERSTORMS HEADING TOWARD NORTHWEST PENNSYLVANIA... AT 1 PM EDT ERIE WEATHER RADAR SHOWED A LINE OF STRONG THUNDERSTORMS ACROSS LAKE ERIE...EXTENDING SOUTHWARD ACROSS WESTERN ASHTABULA COUNTY... OHIO TO GEAUGA COUNTY OHIO. THIS LINE OF THUNDERSTORMS WAS MOVING TO THE EAST AT 40 MILES AN HOUR. AS THESE THUNDERSTORMS MOVE ACROrSS ERIE AND ASHTABULA COUNTIES BETWEEN 1 PM AND 2 PM...THEY WILL PRODUCE HEAVY DOWNPOURS...POSSIBLE WIND GUSTS TO 50 MILES AND HAIL. BOATERS ON LAKE ERIE SHOULD SEEK SAFE HARBOR AS THESE STORMS APPROACH THE LAKESHORE AREA. TJP/FPW/BCL/RR
Special weather statement, May 1, 1:09 PM EDT, 36 minutes before
OHZ004-007-011810- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OH 108 PM EDT WED MAY 1 199 STRONG THUNDERSTORMS WERE CONTINUING TO DEVELOPE OVER EASTERN OHIO THIS AFTERNOON. RADAR AT 100 PM INDICATED A LINE OF STORMS FROM ABOUT 20 MILES NORTH OF RAVENNA SOUTHWEST TO ABOUT 15 MLES SOUTHWEST OF ZANESVILLE. THESE STORMS WERE MOVING NORTHEAST AT ABOUT 45 MPH AND HAVE THE POTENTIAL FOR PRODUCING BRIEF HEAVY DOWNPOURS...WIND GU>STS TO ABOUT 45 MPH AND POSSIBLY SMALL HAIL. THOSE ALONG THEIR PATH SHOULD BE ALERT FOR THEIR APPROACH AND BE PREPARED TO MOVE TO A PALCE OF SAFETY SHOULD CONDITIONS BECOME THREATENING. BROOKY
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 12:53 PM EDT | Severe Thunderstorm Warning | CLE | Ashtabula, Geauga | 67 min |
| May 1, 1:19 PM EDT | Severe Thunderstorm Warning | CLE | Stark, Tuscarawas | 56 min |
| May 1, 2:05 PM EDT | Severe Thunderstorm Warning | CLE | Trumbull | 55 min |
Nearby
Severe Thunderstorm Warnings in Ohio, 1991Every severe thunderstorm warning in 1991
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.