Alert archive / Pennsylvania / Flash Flood Warnings in 1993
Flash Flood Warning 18, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Jul 28, 1993, 9:15 PM EDT for Forest County, Pennsylvania. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jul 28, 1993, 9:15 PM EDT (01:15 UTC)
- Expired
- Jul 28, 1993, 11:15 PM EDT
- In force
- 2 hr
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Forest County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 1.3 hours before the alert went out and 142 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
- 2503 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1289 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 9.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KERI 290119 FFWERI PAC053-290315- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ERIE PA 915 PM EDT WED JUL 28 1993 THE NATIONAL WEATHER SERVICE IN ERIE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1115 PM EDT FOR THE FOLLOWING LOCATION... IN NORTHWEST PENNSYLVANIA ...FOREST COUNTY AT 910 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A SLOW-MOVING THUNDERSTORM HEADED INTO FOREST COUNTY. STATE POLICE IN TIONESTA PENNSYLVANIA REPORTED THAT THE RAINFALL WAS STILL HEAVY OVER A REGION THAT RECEIVED COPIOUS RAINFALL EARLIER TODAY. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT'S IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. DO NOT ATTEMPT TO DRIVE OR WALK THROUGH FLOODED AREAS AS THE WATER MAY BE TOO DEEP FOR YOU TO PASS SAFELY. BELK/WELLS/LAMBERT
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, Jul 28, 7:00 PM EDT, 2 hours 15 minutes before
OHZ011-006-290000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MANSFIELD OH 700 PM EDT WED JUL 28 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 10 PM EDT FOR NORTHERN AND CENTRAL OHIO... AT 655 PM NATIONAL WEATHER SERVICE RADAR INDICATED A STRONG STORM OVER WESTERN CRAWFORD COUNTY AND WYANDOT COUNTY. THIS STORM WAS MOVING EAST AT 35 MPH. THE WYANDOT SHERIFF DEPARTMENT REPORTED FREQUENT CLOUD TO GROUND LIGHTNING...WIND GUSTS TO AROUND 40 MPH AND HEAVY DOWNPOURS AS THE STORM MOVED ACROSS THAT COUNTY. THE STORM WILL MOVE THROUGH THE CITY OF BUCYRUS IN CRAWFORD COUNTY BY 710 PM. BE PREPARED TO MOVE TO A SAFE PLACE IF THREATENING WEATHER APPROACHES. DOXEY NNNN
Special weather statement, Jul 28, 7:00 PM EDT, 2 hours 15 minutes before
OHZ011-006-290000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MANSFIELD OH 700 PM EDT WED JUL 28 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 10 PM EDT FOR NORTHERN AND CENTRAL OHIO... AT 655 PM NATIONAL WEATHER SERVICE RADAR INDICATED A STRONG STORM OVER WESTERN CRAWFORD COUNTY AND WYANDOT COUNTY. THIS STORM WAS MOVING EAST AT 35 MPH. THE WYANDOT SHERIFF DEPARTMENT REPORTED FREQUENT CLOUD TO GROUND LIGHTNING...WIND GUSTS TO AROUND 40 MPH AND HEAVY DOWNPOURS AS THE STORM MOVED ACROSS THAT COUNTY. THE STORM WILL MOVE THROUGH THE CITY OF BUCYRUS IN CRAWFORD COUNTY BY 710 PM. BE PREPARED TO MOVE TO A SAFE PLACE IF THREATENING WEATHER APPROACHES. DOXEY < NNNN
Special weather statement, Jul 28, 7:04 PM EDT, 2 hours 11 minutes before
OHZ004-007-290000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OH 704 PM EDT WED. JUL 28 1993 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTHEAST AND EAST-CENTRAL OHIO UNTIL 10 PM EDT. RADAR AT 655 PM INDICATED A BAND OF STRONG THUNDERSTORMS FROM 10 MILES WEST OF GENEVA IN ASTABULA COUNTY SOUTHWEST TO NEAR DAYTON. THE STONGEST STORMS WERE INDICATED NEAR CLEVELAND. OTHER STRONG STORMS WERE INDICATED 25 MILES SOUTHEAST OF FINDLAY AND ALSO ABOUT 20 MILES NORTH OF SPRINGFIELD. ISOLATED THUNDERSTORMS WERE ABOUT 10 MILES WEST OF YOUNGSTOWN AND 10 MILES SOUTHEAST OF COSHOCTON. ALL WERE MOVING EAST AT ABOUT 35 MPH. THOSE STORMS ALONG THE LAKESHORE COULD BRUSH THE NORTHERN SECTIONS OF SUMMIT AND PORTAGE COUNTIES BETWEEN 7 AND 8 PM. WE ARE WATCHING THIS AREA FOR POSSIBLE WARNINGS THAT MAY BECOME NECESSARY. PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT FOR THREATENING WEATHER AND BE PREPARED TO MOVE TO A PLACE OF SAFETY. RLB
Special weather statement, Jul 28, 7:04 PM EDT, 2 hours 11 minutes before
OHZ004-007-290000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OH 704 PM EDT WED. JUL 28 1993 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTHEAST AND EAST-CENTRAL OHIO UNTIL 10 PM EDT. RADAR AT 655 PM INDICATED A BAND OF STRONG THUNDERSTORMS FROM 10 MILES WEST OF GENEVA IN ASTABULA COUNTY SOUTHWEST TO NEAR DAYTON. THE STONGEST STORMS WERE INDICATED NEAR CLEVELAND. OTHER STRONG STORMS WERE INDICATED 25 MILES SOUTHEAST OF FINDLAY AND ALSO ABOUT 20 MILES NORTH OF SPRINGFIELD. ISOLATED THUNDERSTORMS WERE ABOUT 10 MILES WEST OF YOUNGSTOWN AND 10 MILES SOUTHEAST OF COSHOCTON. ALL WERE MOVING EAST AT ABOUT 35 MPH. THOSE STORMS ALONG THE LAKESHORE COULD BRUSH THE NORTHERN SECTIONS OF SUMMIT AND PORTAGE COUNTIES BETWEEN 7 AND 8 PM. WE ARE WATCHING THIS AREA FOR POSSIBLE WARNINGS THAT MAY BECOME NECESSARY. PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT FOR THREATENING WEATHER AND BE PREPARED TO MOVE TO A PLACEB OF SAFETY. RLB
Special weather statement, Jul 28, 8:03 PM EDT, 1 hour 12 minutes before
OHZ004-007-290100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OH 802 PM EDT WED. JUL 28 1993 A SEVERE THUNDERSTORM WARNING CONTINUES IN EFFECT FOR SUMMIT AND PORTAGE COUNTIES UNTIL 815 PM EDT. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTHEAST AND EAST-CENTRAL OHIO UNTIL 10 PM. RADAR AT 750 PM INDICATED AN AREA OF STRONG THUNDERSTORMS FROM ASTABULA SOUTHWEST TO NEAR AKRON. THE STRONGEST STORMS WERE INDICATED NEAR AKRON AND ALSO ABOUT 5 MILES WEST OF WARREN IN TRUMBULL COUNTY. THE STORMS WERE MOVING EAST AT ABOUT 35 MPH AND WERE PRODUCING HEAVY DOWNPOURS OF RAIN AND GUSTY WINDS. AT 745 PM HAM RADIO OPERATORS IN CUYAHOGA FALLS IN SUMMIT COUNTY REPORTED HAIL STONES FROM ONE HALF TO THREEE QUARTERS OF AN INCH. AT 750 PM HAM RADIO OPERATORS IN STOW IN SUMMIT COUNTY REPORTED MARBLE TO NICKEL SIZED HAIL. STRONG THUNDERSTORMS WILL CONTINUE TO CROSS EASTERN OHIO THIS EVENING AND PEOPLE SHOULD REMAIN ALERT AND BE PREPARED TO MOVE TO A SAFE PLACE. RLB
Special weather statement, Jul 28, 8:03 PM EDT, 1 hour 12 minutes before
OHZ004-007-290100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OH 802 PM EDT WED. JUL 28 1993 A SEVERE THUNDERSTORM WARNING CONTINUES IN EFFECT FOR SUMMIT AND PORTAGE COUNTIES UNTIL 815 PM EDT. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTHEAST AND EAST-CENTRAL OHIO UNTIL 10 PM. RADAR AT 750 PM INDICATED AN AREA OF STRONG THUNDERSTORMS FROM ASTABULA SOUTHWEST TO NEAR AKRON. THE STRONGEST STORMS WERE INDICATED NEAR AKRON AND ALSO ABOUT 5 MILES WEST OF WARREN IN TRUMBULL COUNTY. THE STORMS WERE MOVING EAST AT ABOUT 35 MPH AND WERE PRODUCING HEAVY DOWNPOURS OF RAIN AND GUSTY WINDS. AT 745 PM HAM RADIO OPERATORS IN CUYAHOGA FALLS IN SUMMIT COUNTY REPORTED HAIL STONES FROM ONE HALF TO THREEE QUARTERS OF AN INCH. AT 750 PM HAM RADIO OPERATORS IN STOW IN SUMMIT COUNTY REPORTED MARBLE TO NICKEL SIZED HAIL. STRONG THUNDERSTORMS WILL CONTINUE TO CROSS EASTERN OHIO THIS EVENING AND PEOPLE SHOULD REMAIN ALERT AND BE PREPARED TO MOVE TO A SAFE PLACE. RLB
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 8:07 PM EDT | Tornado Warning | CLE | Mercer | 53 min |
| Jul 28, 8:11 PM EDT | Flash Flood Warning | CLE | Crawford, Erie | 2 hr |
| Jul 28, 8:11 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 2 hr |
| Jul 28, 9:22 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 11 min |
| Jul 28, 10:01 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 44 min |
Nearby
Flash Flood Warnings in Pennsylvania, 1993Every flash flood warning in 1993
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.