Alert archive / Pennsylvania / Flash Flood Warnings in 1986
Flash Flood Warning 1, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Jun 11, 1986, 6:47 PM EDT for Crawford County, Erie County, Pennsylvania. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jun 11, 1986, 6:47 PM EDT (22:47 UTC)
- Expired
- Jun 11, 1986, 10:00 PM EDT
- In force
- 3 hr
- 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.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 10.8 hours before the alert went out and 162 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
- 13 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 524 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 99 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 112247 RRA FFWERI PAC049-039-112345- BULLETIN - IMMEDIATE BROADCAST REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ERIE PA 647 PM EDT WED JUN 11 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 745 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF NORTHWEST PENNSYLVANIA...ERIE AND CRAWFORD HEAVY THUNDERSTORMS MOVING EASTWARD FROM OHIO INTO ERIE AND CRAWFORD COUNTIES WILL PRODUCE FLOODING THIS SLOW MOVING THUNDERSTORM MAY CAUSE FLOODING OF SMALL STREAMS AND UNDERPASSES THIS STORM IS ACCOMPANIED BY INTENSE LIGHTNING AND STRONG GUSTY WINDS.
What forecasters said that day
The local office's own words before this flash flood 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, Jun 11, 1:11 PM EDT, 5 hours 36 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 100 PM EDT WED JUN 11 1986 ...HEAVY THUNDERSTORMS MOVING TOWARD NORTHWEST PENNSYLVANIA... AT 1 PM WEATHER RADAR SHOWED VERY HEAVY THUNDERSTORMS ACROSS MUCH OF NORTHEAST OHIO..EXTENDING EAST INTO PARTS OF WEST CENTRAL PENNSYLVANIA. THESE STORMS PRODUCED VERY HEAVY RAIN IN PARTS OF NORTHEAST OHIO.. AROUND 1 INCH IN A VERY SHORT TIME..CAUSING SOME LOWLAND FLOODING. THE THUNDERSTORMS WERE MOVING TO THE EAST AROUND 25 MILES AN HOUR AND WILL BE MOVING INTO PARTS OF NORTHWEST PENNSYLVANIA LATER THIS AFTERNOON. A FLOOD WATCH CONTINUES IN EFFECT FOR PARTS OF NORTHWEST AND WEST CENTRAL PENNSYLVANIA..FOR THIS AFTERNOON AND TONIGHT..SO BE PREPARED IF HEAVY RAINS MOVE INTO YOUR AREA.
Special weather statement, Jun 11, 3:49 PM EDT, 2 hours 58 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 349 PM ED WED JUN 11 1986 STRONG THUNDERSTORMS AND HEAVY RAIN WILL CONTINUE TO THREATEN OHIO THROUGH THE AFTERNOON AND EVENING. A SPECIAL MARINE WARNING WILL BE IN EFFECT ON LAKE ERIE FROM MAUMEE BAY TO AVON POINT UNTIL 445 THIS AFTERNOON, AND ANOTHER WILL BE IN EFFECT FROM FAIRPORT HARBOR TO CONNEAUT UNTIL 530 THIS EVENING. A SEVERE THUNDERSTORM WATCH WILL CONTINUE IN EFFECT FOR MUCH OF NORTHERN OHIO UNTIL NINE O' CLOCK THIS EVENING. STRONG WINDS AND LARGE HAIL WILL BE A REAL THREAT IN THESE AREAS. A FLOOD WATCH WILL BE IN EFFECT FOR ALL OHIO THROUGH THE NIGHT AS RIVERS AND STREAMS ACROSS THE STATE RESPOND TO THE HEAVY RAINS. URBAN AREAS AND SMALL STREAMS HAVE ALREADY BEEN FLOODED IN THE NORTHEASTERN PARTS OF OHIO. URBAN AND SMALL STREAM FLOOD WARNINGS CONTINUE IN EFFECT FOR LAKE, GEAUGA, ASHTABULA, AND TRUMBULL COUNTIES. UNCONFIRMED REPORTS OF FLOODING HAVE BEEN RECEIVED FROM JOHNSTON (IN TRUMBULL COUNTY) AND ASHTABULA (IN ASHTABULA COUNTY). CLOSE TO AN INCH OF RAIN HAS ALREADY FALLEN IN PARTS OF OHIO, AND MANY RIVERS AND STREAMS HAVE BEGUN TO RISE. PEOPLE THROUGHOUT OHIO SHOULD WATCH CAREFULLY FOR FLOODING, ESPECIALLY IN THE NORTHEASTERN PARTS OF THE STATE. DO NOT TRY TO CROSS FLOODED ROADWAYS OR BRIGES IN A CAR OR ON FOOT. BURTON, IN GEAUGA COUNTY, MEASURED AN INCH OF RAIN BETWEEN 800 AM AND 330 PM. MORE THAN A HALF-INCH OF RAIN (.60) FELL ON WILLOUGHBY HILLS IN 20 MINUTES (IN LAKE COUNTY) EARLY IN THE AFTERNOON. THE CHAGRIN RIVER IN LAKE COUNTY HAS RISEN SOME FOUR FEET SINCE THIS MORNING, AND IT MAY LEAVE ITS BANKS BY MORNING. THE SCIOTO RIVER AT CIRCLEVILLE ROSE FIVE FEET DURING THE MORNING AND EARLY AFTERNOON; IT MAY FLOOD IF ENOUGH RAIN FALLS TONIGHT. THE THUNDERSTORMS IN NORTHEASTERN OHIO HAVE ALREADY BEGUN TO PRODUCE HAIL. HAILSTONES ABOUT THREE-EIGHTHS OF AN INCH IN DIAMETER FELL ON TWINSBURG (IN GEAUGA COUNTY) AT THREE O' CLOCK THIS AFTERNOON. AT 340 PM, WEATHER RADAR SHOWED SHOWERS AND THUNDERSTORMS SPREAD ACROSS ALMOST ALL OF OHIO. THE STRONGEST STORMS WERE OVER THE EASTERN HALF OF THE STATE. THE SHOWERS AND THUNDERSTORMS %WERE ALL MOVING EAST AT ABOUT 30 MILES AN HOUR. PEROUTKA
Special weather statement, Jun 11, 4:05 PM EDT, 2 hours 42 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 205 PM ED WED JUN 11 1986 THUNDERSTORMS WILL BRING DANGEROUS WEATHER TO MUCH OF OHIO THIS AFTERNOON AND EVENING. A SEVERE THUNDERSTORM WATCH WILL BE IN EFFECT FOR MUCH OF NORTHERN OHIO UNTIL NINE O' CLOCK THIS EVENING. URBAN AND SMALL STREAM FLOOD WARNINGS REMAIN IN EFFECT FOR LAKE, ASHTABULA, GEAUGA, AND TRUMBULL COUNTIES; AND FOR MERCER COUNTY, PENNSYLVANIA. A FLOOD WATCH WILL STAY IN EFFECT FOR ALL OF OHIO UNTIL THURSDAY MORNING. OHIO HAS SEEN MORE THAN ITS SHARE OF RAIN SO FAR THIS WEEK, AND IT HAS LEFT THE GROUND SATURATED AND THE AIR HUMID AND UNSTABLE. THUNDERSTORMS HAVE DEVELOPED ACROSS ALL OF OHIO. HEAVY RAINS, STRONG WINDS, AND LARGE HAIL MAY DEVELOP WITH THESE STORMS AS THE AFTERNOON PROGRESSES. BURTON, IN GEAUGA COUNTY, MEASURED ALMOST AN INCH OF RAIN (.90) BETWEEN 1000 AM AND 130 PM TODAY. PEOPLE IN NORTHERN OHIO SHOULD WATCH FOR DAMAGING THUNDERSTORM WINDS AND LARGE HAIL THIS AFTERNOON AND EVENING. PEOPLE ALL ACROSS OHIO SHOULD WATCH FOR POSSIBLE FLOODING, ESPECIALLY IN URBAN AND LOW-LYING AREAS. PEROUTKA
Special weather statement, Jun 11, 5:00 PM EDT, 1 hour 47 minutes before
AFTERNOON OHIO WEATHER STORY NATIONAL WEATHER SERVICE CLEVELAND OH 500 PM EDT WED JUN 11 1986 STRONG AND DANGEROUS THUNDERSTORMS WILL MOVE ACROSS OHIO TONIGHT. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF THE NORTHERN PORTION OF THE STATE UNTIL 9 PM. IN THE WATCH AREA AND IN ANY PART OF THE STATE SOME OF THE THUNDERSTORMS MAY CONTAIN DAMAGING WINDS AND HAIL. A FLOOD WATCH IS IN EFFECT FOR THE ENTIRE STATE TONIGHT AND THE NORTHEAST HALF OF OHIO THURSDAY MORNING. SOME OF THESE STORMS WILL CONTAIN VERY HEAVY RAIN THAT WILL CAUSE FLOODING OF ROADS, STREAMS AND RIVERS. PERSONS THROUGHOUT OHIO SHOULD NOT TRY TO CROSS FLOODED ROADWAYS OR BRIDGES IN A CAR OR ON FOOT. A URBAN AND SMALL STREAM FLOOD WARNING IS IN EFFECT FOR LAKE, ASHTABULA, AND GEAUGA COUNTIES THIS EVENING. THESE THUNDERSTORMS CAN BE VERY DANGEROUS, PERSONS IN OHIO SHOULD BE PREPARED TO TAKE ACTION IF THREATENING WEATHER APPROACHES AND LISTEN FOR LATER STATEMENTS OR POSSIBLE WARNINGS. FLOODING IS A PROBLEM IN NORTHWEST GEAUGA COUNTY, ESPECIALLY IN THE CHARDON, CHESTER, CLARIDON AND MUNSON AREAS. THE MITCHELL MILLS BRIDGE IN WESTERN CHARDON TOWNSHIP MAY BE LOST AS THE WATER IS RUNNING VERY HIGH ON THE CHAGRIN RIVER. MULBERRY ROAD IN CHESTER TOWNSHIP MAY HAVE TO BE CLOSED AS THE WATER IS VERY DEEP. A BRIDGE HAS BEEN WASHED OUT IN KIRTLAND (LAKE COUNTY). IT WAS A STICKY AFTERNOON WITH HIGHS IN THE LOWER OR MID 80S. THERE WERE AREAS OF SHOWERS AND THUNDERSTORMS.. SOME OF THE THUNDERSTORMS HAVE CONTAINED VERY HEAVY RAIN AND FLOODING HAS BEEN REPORTED IN PARTS OF NORTHEAST OHIO. AT 430 PM RAIN WAS FALLING HALF AN INCH AN HOUR NEAR THE YOUNGSTOWN AIRPORT. HAILSTONES ABOUT THREE-EIGHTS OF AN INCH IN DIAMETER FELL ON TWINSBURG (IN GEAUGA COUNTY) AT THREE THIS AFTERNOON. PEA SIZE HAIL WAS REPORTED IN SHARON AROUND 430 PM. THE WEATHER SHOULD EASE UP THURSDAY AS ONLY SCATTTERED SHOWERS AND THUNDERSTORMS ARE FOREAST. DRIER AIR WILL BE MOVING INTO OHIO THURSDAY NIGHT AND HIGHS FRIDAY SHOULD ONLY BE IN THE 70S. ALL THIS WEATHER IS BEING CAUSED BY A WARM AND MOIST SOUTHERLY FLOW THAT WAS AHEAD OF A COLD FRONT THAT WAS OVER THE MIDWEST. THE FRONT WILL MOVE INTO WESTERN OHIO THURSDAY AFTERmNOON AND EXIT THE STATE THURSDAY NIGHT. KIELTYKA
Special weather statement, Jun 11, 5:04 PM EDT, 1 hour 43 minutes before
SPECIAL WEATHER STATEMENT AND AFTERNOON OHIO WEATHER STORY NATIONAL WEATHER SERVICE CLEVELAND OH 505 PM EDT WED JUN 11 1986 STRONG AND DANGEROUS THUNDERSTORMS WILL MOVE ACROSS OHIO TONIGHT. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF THE NORTHERN PORTION OF THE STATE UNTIL 9 PM. IN THE WATCH AREA AND IN ANY PART OF THE STATE SOME OF THE THUNDERSTORMS MAY CONTAIN DAMAGING WINDS AND HAIL. A FLOOD WATCH IS IN EFFECT FOR THE ENTIRE STATE TONIGHT AND THE NORTHEAST HALF OF OHIO THURSDAY MORNING. SOME OF THESE STORMS WILL CONTAIN VERY HEAVY RAIN THAT WILL CAUSE FLOODING OF ROADS, STREAMS AND RIVERS. PERSONS THROUGHOUT OHIO SHOULD NOT TRY TO CROSS FLOODED ROADWAYS OR BRIDGES IN A CAR OR ON FOOT. A URBAN AND SMALL STREAM FLOOD WARNING IS IN EFFECT FOR LAKE, ASHTABULA, AND GEAUGA COUNTIES THIS EVENING. THESE THUNDERSTORMS CAN BE VERY DANGEROUS, PERSONS IN OHIO SHOULD BE PREPARED TO TAKE ACTION IF THREATENING WEATHER APPROACHES AND LISTEN FOR LATER STATEMENTS OR POSSIBLE WARNINGS. FLOODING IS A PROBLEM IN NORTHWEST GEAUGA COUNTY, ESPECIALLY IN THE CHARDON, CHESTER, CLARIDON AND MUNSON AREAS. THE MITCHELL MILLS BRIDGE IN WESTERN CHARDON TOWNSHIP MAY BE LOST AS THE WATER IS RUNNING VERY HIGH ON THE CHAGRIN RIVER. MULBERRY ROAD IN CHESTER TOWNSHIP MAY HAVE TO BE CLOSED AS THE WATER IS VERY DEEP. A BRIDGE HAS BEEN WASHED OUT IN KIRTLAND (LAKE COUNTY). IT WAS A STICKY AFTERNOON WITH HIGHS IN THE LOWER OR MID 80S. THERE WERE AREAS OF SHOWERS AND THUNDERSTORMS.. SOME OF THE THUNDERSTORMS HAVE CONTAINED VERY HEAVY RAIN AND FLOODING HAS BEEN REPORTED IN PARTS OF NORTHEAST OHIO. AT 430 PM RAIN WAS FALLING HALF AN INCH AN HOUR NEAR THE YOUNGSTOWN AIRPORT. HAILSTONES ABOUT THREE-EIGHTS OF AN INCH IN DIAMETER FELL ON TWINSBURG (IN GEAUGA COUNTY) AT THREE THIS AFTERNOON. PEA SIZE HAIL WAS REPORTED IN SHARON AROUND 430 PM. THE WEATHER SHOULD EASE UP THURSDAY AS ONLY SCATTTERED SHOWERS AND THUNDERSTORMS ARE FOREAST. DRIER AIR WILL BE MOVING INTO OHIO THURSDAY NIGHT AND HIGHS FRIDAY SHOULD ONLY BE IN THE 70S. ALL THIS WEATHER IS BEING CAUSED BY A WARM AND MOIST SOUTHERLY FLOW THAT WAS AHEAD OF A COLD FRONT THAT WAS OVER THE MIDWEST. THE FRONT WILL MOVE INsTO WESTERN OHIO THURSDAY AFTERNOON AND EXIT THE STATE THURSDAY NIGHT. KIELTYKA CORRECTED THE HEADING, MAKING IT A SPECIAL WEATHER STATEMENT AND WEATHER STORY.
Special weather statement, Jun 11, 5:53 PM EDT, 54 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 553 PM EDT WED JUN 11 1986 DANGEROUS AND STRONG THUNDERSTORMS WILL CONTINUE ACROSS ALL OF OHIO TONIGHT. SOME OF THE WORST WEATHER WAS OCCURRING OVER NORTHEAST OHIO THIS EVENING, ESPECIALLY NORTHWEST GEAUGA AND SOUTHEAST LAKE COUNTIES. A BRIDGE WAS WASHED OUT IN KIRTLAND (SOUTHWEST LAKE COUNTY). THE MITCHELL MILLS BRIDGE IN WESTERN CHARDON TOWNSHIP MAY GET WASHED OUT AS THE WATERS ON THE CHAGRIN RIVER ARE RUNNING HIGH. MANY ROADS WERE ALSO CLOSED IN THAT PART OF THE STATE BECAUSE OF HIGH WATER. AN URBAN AND SMALL STREAM FLOOD WARNING IS IN EFFECT FOR LAKE, GEAUGA AND ASHTABULA COUNTIES THIS EVENING. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF NORTHERN OHIO UNTIL 9 PM. THE STORMS IN THE WATCH AREA AND ANYWHERE IN THE STATE TONIGHT MAY CONTAIN DAMAGING WINDS AND HAIL. A FLOOD WATCH IS IN EFFECT FOR THE ENTIRE STATE TONIGHT AND THE NORTHEAST HALF OF OHIO THURSDAY MORNING. WITH THE GROUND SATURATED AND LOCALLY HEAVY DOWNPOURS LIKELY, FLOODING OF ROADS, BASEMENTS, STREAMS AND RIVERS MAY OCCUR. PERSONS SHOULD NOT TRY TO CROSS FLOODED ROADWAYS OR BRIDGES IN A CAR OR ON FOOT. A SPECIAL MARINE WARNING IS IN EFFECT FOR LAKE ERIE FROM ISLANDS TO RIPLELY NEW YORK UNTIL 8 PM. NO SEVERE WEATHER HAS BEEN REPORTED IN THE STATE AS OF 545 PM. PEA SIZE HAIL WAS REPORTED IN CANFIELD (MAHONING COUNTY) AROUND 530 PM. RADAR AT 545 PM WAS SHOWING AREAS OF THUNDERSTORMS MAINLY OVER THE EASTERN HALF OF THE STATE. THERE WERE STRONG STORMS OVER CENTRAL GEAUGA COUNTY, SOUTHEAST LAKE COUNTY, WEST OF AKRON AND WEST CENTRAL TRUMBULL COUNTY. RADAR ALSO INDICATED THAT THUNDERSTORMS WERE ABOUT READY TO ENTER SOUTHWEST OHIO. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 25 MPH. PERSON IN OHIO SHOULD BE PREPARED TO TAKE ACTION IF THREATENING WEATHER APPROACHES AND LISTEN FOR LATER STATEMENTS OR POSSIBLE WARNINGS. KIELTYKA
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 7:27 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 63 min |
Nearby
Flash Flood Warnings in Pennsylvania, 1986Every flash flood 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; the sounding from the Mesonet's radiosonde archive.