Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 166, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Sep 2, 1993, 4:45 PM EDT for Cameron County, Pennsylvania. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Sep 2, 1993, 4:45 PM EDT (20:45 UTC)
- Expired
- Sep 2, 1993, 5:45 PM EDT
- In force
- 60 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Cameron County, PA
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.8 hours before the alert went out and 171 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
- 988 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 120 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 022045 SVRERI PAC023-022145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ERIE PA 445 PM EDT THU SEP 2 1993 THE NATIONAL WEATHER SERVICE IN ERIE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM EDT FOR THE FOLLOWING LOCATION... IN NORTHWEST PENNSYLVANIA ...CAMERON COUNTY AT 443 PM EDT WEATHER RADAR INDICATED A SEVERE THUNDERSTORM NEAR THE ELK AND CAMERON COUNTY BORDER ALONG ROUTE 120. THIS STORM IS MOVING TO THE NORTHEAST AT 35 MILES PER HOUR AND WILL AFFECT THE TOWNS OF HOWARD AND EMPORIOUM BY 530 PM EDT. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE xHAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS. BELK/PARRISH/LAMBERT
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, Sep 2, 3:07 PM EDT, 1 hour 38 minutes before
OHZ004-007-022000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OH 307 PM EDT THU SEP 2 1993 AT 305 PM EDT WEATHER RADAR INDICATED A STRONG THUNDERSTORM CLUSTER COVERING MUCH OF KNOX COUNTY IN CENTRAL OHIO. THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MPH AND WILL MOVE ACROSS HOLMES AND NORTHERN COSHOCTON COUNTIES BETWEEN 315 AND 345 PM. THESE STORMS WILL PRODUCE BRIEF VERY HEAVY RAIN THAT WILL CAUSE PONDING OF WATER ON ROADWAYS AND LOW LYING AREAS. FREQUENT CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 50 MPH ARE ALSO LIKELY. PEOPLE IN HOLMES AND COSHOCTON COUNTIES SHOULD SEEK SAFE SHELTER WITH THE APPROACH AND PASSAGE OF THESE STORMS. THOMPSON
Special weather statement, Sep 2, 3:16 PM EDT, 1 hour 29 minutes before
PAZ001-002-003-004-022100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 302 PM EDT THU SEP 02 1993 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR NORTHWEST PENNSYLVANIA... ...UNTIL 9 PM EDT... AT 300 PM WEATHER RADAR INDICATED SCATTERED SHOWERS AND A FEW STRONG THUNDERSTORMS ACROSS NORTHWEST PENNSYLVANIA. STRONGEST THUNDERSTORMS WERE IN POTTER COUNTY NORTHEAST OF COUDERSPORT...IN FOREST COUNTY NEAR MARIENVILLE. SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR. THUNDERSTORMS CAN PRODUCE DANGEROUS LIGHTING...STRONG GUST WINDS... HAIL AND HEAVY DOWNPOURS. PARRISH/BELK
Special weather statement, Sep 2, 4:03 PM EDT, 42 minutes before
OHZ004-007-022100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OH 403 PM EDT THU SEP 2 1993 AT 400 PM EDT WEATHER RADAR INDICATED AN AREA OF STRONG THUNDERSTORMS EXTENDING FROM MILLERSBURG NORTH THROUGH WOOSTER. THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MPH AND WILL MOVE ACROSS STARK AND SUMMIT COUNTIES OF NORTHEAST OHIO BETWEEN 415 AND 500 PM. THESE STORMS WILL PRODUCE BRIEF VERY HEAVY RAIN THAT WILL CAUSE PONDING OF WATER ON ROADWAYS AND LOW LYING AREAS. FREQUENT CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 50 MPH ARE ALSO LIKELY. PEOPLE IN STARK AND SUMMIT COUNTIES SHOULD SEEK SAFE SHELTER WITH THE APPROACH AND PASSAGE OF THESE STORMS. THOMPSON
Special weather statement, Sep 2, 4:03 PM EDT, 42 minutes before
OHZ004-007-022100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OH 403 PM EDT THU SEP 2 1993 AT 400 PM EDT WEATHER RADAR INDICATED AN AREA OF STRONG THUNDERSTORMS EXTENDING FROM MILLERSBURG NORTH THROUGH WOOSTER. THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MPH AND WILL MOVE ACROSS STARK AND SUMMIT COUNTIES OF NORTHEAST OHIO BETWEEN 415 AND 500 PM. THESE STORMS WILL PRODUCE BRIEF VERY HEAVY RAIN THAT WILL CAUSE PONDING OF WATER ON ROADWAYS AND LOW LYING AREAS. FREQUENT CLOUD TO GROUND LIGHTNING AND WIND GUSTS TO 50 MPH ARE ALSO LIKELY. PEOPLE IN STARK AND SUMMIT COUNTIES SHOULD SEEK SAFE SHELTER WITH THE APPROACH AND PASSAGE OF THESE STORMS. THOMPSON
Special weather statement, Sep 2, 4:25 PM EDT, 20 minutes before
OHZ001-002-011-022130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TOLEDO OH 425 PM EDT THU SEP 2 1993 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTHWEST OHIO UNTIL 9 PM EDT. AT 420 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF STRONG THUNDERSTORMS EXTENDING FROM THE ISLANDS TO MAUMEE BAY AND THEN THE LINE CONTINUED SOUTHWEST INTO OTTAWA...LUCAS...WOOD... FULTON AND HENRY COUNTIES OF NORTHWEST OHIO. THE AREA OF THUNDERSTORMS WAS MOVING TO THE NORTHEAST AT 40 MPH. THE STORMS...AROUND 320PM... PRODUCED LARGE HAIL AROUND 2 INCHES IN DIAMETER IN TOLEDO. VERY HEAVY RAIN AND FREQUENT CLOUD TO GROUND LIGHTNING WILL ACCOMPANY THESE STORMS AS THEY MOVE THROUGH. THE STORMS MAY BE SEVERE THIS AFTERNOON PRODUCING DAMAGING WINDS AND LARGE HAIL. MOVE INDOORS WHEN THUNDERSTORMS APPROACH. DO NOT USE ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY. ALSO...DUE TO THE TORRENTIAL RAINS AREA ROADS WILL QUICKLY BECOME COVERED WITH WATER. BARNES
Special weather statement, Sep 2, 4:25 PM EDT, 20 minutes before
OHZ001-002-011-022130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TOLEDO OH 425 PM EDT THU SEP 2 1993 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTHWEST OHIO UNTIL 9 PM EDT. AT 420 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF STRONG THUNDERSTORMS EXTENDING FROM THE ISLANDS TO MAUMEE BAY AND THEN THE LINE CONTINUED SOUTHWEST INTO OTTAWA...LUCAS...WOOD... FULTON AND HENRY COUNTIES OF NORTHWEST OHIO. THE AREA OF THUNDERSTORMS WAS MOVING TO THE NORTHEAST AT 40 MPH. THE STORMS...AROUND 320PM... PRODUCED LARGE HAIL AROUND 2 INCHES IN DIAMETER IN TOLEDO. VERY HEAVY RAIN AND FREQUENT CLOUD TO GROUND LIGHTNING WILL ACCOMPANY THESE STORMS AS THEY MOVE THROUGH. THE STORMS MAY BE SEVERE THIS AFTERNOON PRODUCING DAMAGING WINDS AND LARGE HAIL. MOVE INDOORS WHEN THUNDERSTORMS APPROACH. DO NOT USE ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY. ALSO...DUE TO THE TORRENTIAL RAINS AREA ROADS WILL QUICKLY BECOME COVERED WITH WATER. BARNES
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 3:45 PM EDT | Severe Thunderstorm Warning | CLE | Elk | 60 min |
| Sep 2, 5:25 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 65 min |
| Sep 2, 6:26 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 64 min |
| Sep 2, 6:51 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 39 min |
| Sep 2, 7:10 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 65 min |
| Sep 2, 7:11 PM EDT | Severe Thunderstorm Warning | CLE | Venango, Warren | 64 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.