Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 19, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Jun 8, 1993, 2:34 PM EDT for Butler County, Venango County, Pennsylvania. It was in force for 56 min.
The area
The counties it named.
The facts
- Issued
- Jun 8, 1993, 2:34 PM EDT (18:34 UTC)
- Expired
- Jun 8, 1993, 3:30 PM EDT
- In force
- 56 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
Counties Butler County, PA, Venango County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 6.6 hours before the alert went out and 86 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
- 446 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 573 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPIT 081834 SVRPIT PAC019-121-081930- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PITTSBURGH PA 234 PM EDT TUE JUN 8 1993 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 330 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF NORTHWEST PENNSYLVANIA...BUTLER AND VENANGO AT 230 PM RADAR SHOWED A SEVERE THUNDERSTORM ALMOST ON THE BORDER OF MERCER AND VENANGO COUNTY PENNSYLVANIA. THE THUNDERSTORM WAS 5 MILES EAST OF MERCER PENNSYLVANIA...MOVING SOUTHEAST AT 40 MPH. A SEVERE THUNDERSTORM WARNING MEANS SEVERE THUNDERSTORMS ARE IMMINENT OR IN PROGRESS. THESE STORMS WILL HAVE DAMAGING WIND..HAIL ..HEAVY RAIN..AND DANGEROUS LIGHTNING. LIGHTNING EXPERTS SAY IT IS BEST TO GET INSIDE A HOME OR LARGE BUILDING. AVOID OPEN FIELDS. STOP SWIMMING..FISHING..BOATING.. GOLFING...AND YARD WORK. IF THREATENING WEATHER APPROACHES..GO TO A SAFE PLACE IMMEDIATELY. THIS STORM WILL AFFECT PRIMARILY THE SOUTERN PART OF VENANGO AND THE NORTHERN PART OF BUTLER COUNTY...ALL NORTH OF PITTSBURGH. THIS STORM DEPOSITED HAIL THREE QUARTERS OF AN INCH IN DIAMATER WHILE IT WAS IN OHIO.
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, Jun 8, 12:50 PM EDT, 1 hour 44 minutes before
PAZ001-002-081800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 1242 PM EDT TUE JUN 08 1993 ...SHOWERS AND THUNDERSTORMS HEADING INTO NORTHWEST PENNSYLVANIA... AT 1240 THIS AFTERNOON WEATHER RADAR SHOWED THE LEADING EDGE OF AN AREA OF SHOWERS AND THUNDERSTORMS FROM JUST OFFSHORE OF ERIE COUNTY SOUTHWEST INTO ASHTABULA COUNTY IN NORTHEAST OHIO. THE STRONGEST THUNDERSTORMS WERE IN NORTHCENTRAL ASHTABULA COUNTY MOVING EASTWARD AT 40 MILES AN HOUR. THIS STRONG THUNDERSTORM WILL BE CROSSING OVER INTO WESTERN CRAWFORD COUNTY IN NORTHWEST PENNSYLVANIA BETWEEN 100 AND 130 PM. SOME THUNDERSTORMS WILL PRODUCE HEAVY DOWNPOURS...DANGEROUS LIGHTNING... STRONG GUSTY WINDS AND POSSIBLE \HAIL. SMALL BOATS ON LAKE ERIE AND PRESQUE ILSE BAY SHOULD SEEK SAFE HARBOR IF THREATENING WEATHER APPROACHES. PARRISH/MILLER
Special weather statement, Jun 8, 1:27 PM EDT, 1 hour 7 minutes before
OHZ004-PAZ003-081900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE YOUNGSTOWN OH 127 PM EDT TUE JUN 8 1993 STRONG THUNDERSTORMS WERE MOVING ACROSS NORTHEAST OHIO AND INTO NORTHWEST PENNSYLVANIA EARLY THIS AFTERNOON. AT 125 PM NATIONAL WEATHER SERVICE RADAR INDICATED A SMALL AREA OF THUNDERSTORMS MOVING ACROSS EXTREME NORTHERN TRUMBULL COUNTY IN OHIO. THE STORMS WERE MOVING TO THE EAST AT 40 MILES AN HOUR. THIS MOVEMENT WILL TAKE THE STORMS INTO NORTHERN MERCER COUNTY OF NORTHWEST PENNSYLVANIA BY 145 PM. THE THUNDERSTORMS MAY CONTAIN BRIEF HEAVY RAIN AND WIND GUSTS TO AROUND 45 MPH. FREQUENT LIGHTNING AND POSSIBLE SMALL HAIL MAY ALSO BE EXPECTED WITH THESE STORMS. PERSONS SHOULD SEEK SHELTER INDOORS IF A STORM APPROACHES. LISTEN TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR FURTHER UPDATES. MITCHELL 2SUNNO6WWUSF 8q6WWUS< `o6WWUS U6WWUS8 \M>6WWUS8 |u 6WWUS T~WWUS de6WWUS. Ua`WWUS N'WWUS Lv WUUSZ $M`WWUS ~6WWUS XWOUS o6WWUSl s66WWUS q6WWUS t6WWUS f] WUUS (e6WWUS tLA`WWUS HV6WWUS` 41821G27/980 FF2 U6WWUS8 \J:" M>6WWUS8 |"&T~WWUS dUa`WWUS O6WWUSF 8N'WWUS LM`WWUS *XWOUS JbQ0 WUUSL t6n / > JbLA`WWUS HV6WWUS`
Special weather statement, Jun 8, 1:29 PM EDT, 1 hour 5 minutes before
OHZ004-PAZ003-081900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE YOUNGSTOWN OH 127 PM EDT TUE JUN 8 1993 STRONG THUNDERSTORMS WERE MOVING ACROSS NORTHEAST OHIO AND INTO NORTHWEST PENNSYLVANIA EARLY THIS AFTERNOON. AT 125 PM NATIONAL WEATHER SERVICE RADAR INDICATED A SMALL AREA OF THUNDERSTORMS MOVING ACROSS EXTREME NORTHERN TRUMBULL COUNTY IN OHIO. THE STORMS WERE MOVING TO THE EAST AT 40 MILES AN HOUR. THIS MOVEMENT WILL TAKE THE STORMS INTO NORTHERN MERCER COUNTY OF NORTHWEST PENNSYLVANIA BY 145 PM. THE THUNDERSTORMS MAY CONTAIN BRIEF HEAVY RAIN AND WIND GUSTS TO AROUND 45 MPH. FREQUENT LIGHTNING AND POSSIBLE SMALL HAIL MAY ALSO BE EXPECTED WITH THESE STORMS. PERSONS SHOULD SEEK SHELTER INDOORS IF A STORM APPROACHES. LISTEN TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR FURTHER UPDATES. MITCHELL
Special weather statement, Jun 8, 1:35 PM EDT, 59 minutes before
PAZ001-002-003-081900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 135 PM EDT TUE JUN 08 1993 ...SHOWERS AND THUNDERSTORMS CONTINUE ACROSS NORTHWEST PENNSYLVANIA... AT 130 THIS AFTERNOON WEATHER RADAR SHOWED A LINE OF STRONG THUNDERSTORMS FROM NEAR WATERFORD IN ERIE COUNTY SOUTHWEST TO CAMBRIDGE SPRINGS AND MEADVILLE IN CRAWFORD COUNTY...THEN WESTWARD TO THE SOUTHERN TIP OF LAKE PYMATUNING. PEA SIZE HAIL WAS REPORTED WITH THESE THUNDERSTORMS AT SHERMANVILLE WEST OF CONNEAUT. OTHERWISE HEAVY DOWNPOURS AND DANGEROUS LIGHTNING HAVE BEEN OCURRING. THIS LINE IS PART OF A LARGER AREA OF SHOWERS AND THUNDERSTORMS STREACHING FROM WESTERN NEW YORK THRU NORTHWEST PENNSYLVANIA INTO NORTHEAST OHIO. PRECIPITATION HAS BEEN MOVING TOWARDS THE EAST AT 30 MILES AN HOUR. PARRISH/MILLER
Special weather statement, Jun 8, 1:40 PM EDT, 54 minutes before
PAZ001-002-003-081900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 135 PM EDT TUE JUN 08 1993 ...SHOWERS AND THUNDERSTORMS CONTINUE ACROSS NORTHWEST PENNSYLVANIA... AT 130 THIS AFTERNOON WEATHER RADAR SHOWED A LINE OF STRONG THUNDERSTORMS FROM NEAR WATERFORD IN ERIE COUNTY SOUTHWEST TO CAMBRIDGE SPRINGS AND MEADVILLE IN CRAWFORD COUNTY...THEN WESTWARD TO THE SOUTHERN TIP OF LAKE PYMATUNING. PEA SIZE HAIL WAS REPORTED WITH THESE THUNDERSTORMS AT SHERMANVILLE WEST OF CONNEAUT. OTHERWISE HEAVY DOWNPOURS AND DANGEROUS LIGHTNING HAVE BEEN OCURRING. THIS LINE IS PART OF A LARGER AREA OF SHOWERS AND THUNDERSTORMS STREACHING FROM WESTERN NEW YORK THRU NORTHWEST PENNSYLVANIA INTO NORTHEAST OHIO. PRECIPITATION HAS BEEN MOVING TOWARDS THE EAST AT 30 MILES AN HOUR. PARRISH/MILLER
Special weather statement, Jun 8, 2:33 PM EDT, 1 minute before
OHZ002-003-082000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 233 PM EDT TUE JUN 8 1993 STRONG THUNDERSTORMS HAD REDEVELOPED ACROSS PARTS OF NORTHERN OHIO. AT 235 PM...RADAR SHOWED A BAND OF SHOWERS AND THUNDERSTORMS FROM JUST EAST OF CLEVELAND...SOUTHWEST THROUGH MEDINA COUNTY INTO WAYNE COUNTY. OTHER STORMS WITH HEAVY RAIN WERE SCATTERED ACROSS CUYAHOGA COUNTY. A VERY STRONG THUNDERSTORM WAS LOCATED NEAR THE MEDINA/WAYNE COUNTY LINE. THE STORMS WERE MOVING NORTHEAST AROUND 45 MPH. THE THUNDERSTORMS WILL PRODUCE VERY HEAVY RAIN...FREQUENT LIGHTNING AND POSSIBLY SOME SMALL HAIL. TORRENTIAL RAIN WAS REPORTED IN NORTHERN SUMMIT COUNTY WHICH PRODUCED SOME STREET FLOODING AND FLOODED YARDS. THE POTENTIAL FOR STRONG THUNDERSTORMS WILL PERSIST THROUGH THE REMAINDER OF THE AFTERNOON. AREAS OF VERY HEAVY RAIN SHOULD BE ANTICIPATED THAT MAY PRODUCE SOME SMALL STREAM FLOODING AND STREET FLOODING. LISTEN TO NOAA WEATHER RADIO FOR UPDATES AND POSSIBLE WARNINGS. GABRIC
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 1:56 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 64 min |
| Jun 8, 7:29 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 61 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1993Every severe thunderstorm 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.