Alert archive / Pennsylvania / Flash Flood Warnings in 1993
Flash Flood Warning 24, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Aug 27, 1993, 10:15 PM EDT for Lawrence County, Mercer County, Pennsylvania. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Aug 27, 1993, 10:15 PM EDT (02:15 UTC)
- Expired
- Aug 28, 1993, 1:15 AM EDT
- In force
- 3 hr
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
Counties Lawrence County, PA, Mercer County, PA
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 2.3 hours before the alert went out and 238 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
- 1989 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 1152 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 55 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 280217 FFWYNG PAC073-085-280515- BULLETIN - EBS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE YOUNGSTOWN OH 1015 PM EDT FRI AUG 27 1993 THE NATIONAL WEATHER SERVICE IN YOUNGSTOWN HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 115 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST PENNSYLVANIA ...LAWRENCE COUNTY...MERCER COUNTY AT 1015 PM EDT WEATHER SERVICE RADAR SHOWED NUMEROUS STRONG THUNDERSTORMS OVER SOUTHERN MERCER AND NORTHERN LAWRENCE COUNTIES. SEVERAL INCHES OF RAIN HAS FALLEN OVER THIS AREA THIS EVENING...AND SERIOUS FLOODING IS POSSIBLE IN THIS AREA. THESE THUNDERSTORMS WERE SHOWING LITTLE OR NO MOVEMENT...AND ARE EXPECTED TO CONTINUE FOR THE NEXT SEVERAL HOURS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. VEENEMAN
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, Aug 27, 6:33 PM EDT, 3 hours 42 minutes before
OHZ004-PAZ003-280000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE YOUNGSTOWN OH 633 PM EDT FRI AUG 27 1993 FLOOD WATCH FOR STREAMS AND CREEKS IN EFFECT UNTIL 10 PM EDT FOR MERCER COUNTY IN WESTERN PENNSYLVANIA. AT 628 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED STRONG THUNDERSTORMS OVER PORTIONS OF NORTHEASTERN OHIO AND WESTERN PENNSYLVANIA. THE STRONGEST STORM WAS LOCATED FIVE MILES NORTHEAST OF THE CITY OF MERCER IN MERCER COUNTY PENNSYLVANIA. THIS STORM WAS MOVING TO THE EAST AT 10 MPH AND WILL EXIT MERCER COUNTY BY 645 PM EDT. OTHER SHOWERS AND THUNDERSTORMS WERE LOCATED OVER NORTHERN PORTIONS OF MAHONING COUNTY IN NORTHEASTERN OHIO. THESE STORMS WERE ALSO MOVING EAST AT 10 MPH. THESE STORMS WILL EXIT THE YOUNGSTOWN AREA BY 650 PM EDT. THESE STORMS HAVE A HISTORY OF PRODUCING BRIEF HEAVY RAINS. FREQUENT LIGHTNING...SMALL HAIL...WIND GUSTS TO 35 MPH AND BRIEF TORRENTIAL RAINS ARE POSSIBLE AS THESE STORMS MOVE THROUGH THE AREA. BE ON THE LOOK OUT FOR PONDING OF WATER ON ROADWAYS. DO NOT DRIVE INTO STANDING WATER. STAY TUNED TO YOUR LOCAL MEDIA OR NOAA WEATHER RADIO FOR FURTHER UPDATES. KUBINA
Special weather statement, Aug 27, 6:34 PM EDT, 3 hours 41 minutes before
OHZ004-PAZ003-280000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE YOUNGSTOWN OH 633 PM EDT FRI AUG 27 1993 FLOOD WATCH FOR STREAMS AND CREEKS IN EFFECT UNTIL 10 PM EDT FOR MERCER COUNTY IN WESTERN PENNSYLVANIA. AT 628 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED STRONG THUNDERSTORMS OVER PORTIONS OF NORTHEASTERN OHIO AND WESTERN PENNSYLVANIA. THE STRONGEST STORM WAS LOCATED FIVE MILES NORTHEAST OF THE CITY OF MERCER IN MERCER COUNTY PENNSYLVANIA. THIS STORM WAS MOVING TO THE EAST AT 10 MPH AND WILL EXIT MERCER COUNTY BY 645 PM EDT. OTHER SHOWERS AND THUNDERSTORMS WERE LOCATED OVER NORTHERN PORTIONS OF MAHONING COUNTY IN NORTHEASTERN OHIO. THESE STORMS WERE ALSO MOVING EAST AT 10 MPH. THESE STORMS WILL EXIT THE YOUNGSTOWN AREA BY 650 PM EDT. THESE STORMS HAVE A HISTORY OF PRODUCING BRIEF HEAVY RAINS. FREQUENT LIGHTNING...SMALL HAIL...WIND GUSTS TO 35 MPH AND BRIEF TORRENTIAL RAINS ARE POSSIBLE AS THESE STORMS MOVE THROUGH THE AREA. BE ON THE LOOK OUT FOR PONDING OF WATER ON ROADWAYS. DO NOT DRIVE INTO STANDING WATER. STAY TUNED TO YOUR LOCAL MEDIA OR NOAA WEATHER RADIO FOR FURTHER UPDATES. KUBINA
Special weather statement, Aug 27, 9:15 PM EDT, 1 hour before
OHZ001-280230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TOLEDO OH 915 PM EDT FRI AUG 27 1993 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF NORTHWEST OHIO UNTIL 2 AM EDT. THE SEVERE THUNDERSTORM WATCH INCLUDES THE FOLLOWING COUNTIES IN NORTHWEST OHIO: DEFIANCE...FULTON...HENRY...LUCAS...PAULDING...AND WILLIAMS. AT 915 PM WEATHER RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM EAST CENTRAL LOWER MICHIGAN TO NORTH CENTRAL INDIANA. THE LINE OF STORMS WAS MOVING TO THE EAST AT 30 MILES AN HOUR. THE STORMS ARE EXPECTED TO ENTER EXTREME NORTHWEST OHIO AROUND 1030 PM. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND/OR LARGE HAIL. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES. MURPHY
Special weather statement, Aug 27, 9:17 PM EDT, 58 minutes before
OHZ001-280230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TOLEDO OH 915 PM EDT FRI AUG 27 1993 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF NORTHWEST OHIO UNTIL 2 AM EDT. THE SEVERE THUNDERSTORM WATCH INCLUDES THE FOLLOWING COUNTIES IN NORTHWEST OHIO: DEFIANCE...FULTON...HENRY...LUCAS...PAULDING...AND WILLIAMS. AT 915 PM WEATHER RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM EAST CENTRAL LOWER MICHIGAN TO NORTH CENTRAL INDIANA. THE LINE OF STORMS WAS MOVING TO THE EAST AT 30 MILES AN HOUR. THE STORMS ARE EXPECTED TO ENTER EXTREME NORTHWEST OHIO AROUND 1030 PM. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN A,ND CLOSE TO THE WATCH AREA. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND/OR LARGE HAIL. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES. MURPHY
Local storm report, Aug 27, 9:30 PM EDT, 45 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE ERIE, PA
930 PM EDT FRI AUG 27 1993
STORM REPORTS FOR NORTHWEST PENNSYLVANIA
TIME EDT EVENT
.........................................................................
550 PM SEVERAL LARGE TREES DOWN WITH 1 INCH OF WATER REPORTED IN
A HOUSE IN FRANKLIN PA IN VENANGO COUNTYLocal storm report, Aug 27, 9:31 PM EDT, 44 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE ERIE, PA
930 PM EDT FRI AUG 27 1993
STORM REPORTS FOR NORTHWEST PENNSYLVANIA
TIME EDT EVENT
.........................................................................
550 PM SEVERAL LARGE TREES DOWN WITH 1 INCH OF WATER REPORTED IN
A HOUSE IN FRANKLIN PA IN VENANGO COUNTYThe office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 8:10 PM EDT | Flash Flood Warning | CLE | Lawrence, Mercer | 2 hr |
| Aug 27, 8:28 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 47 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.