Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 79, NWS Cleveland, OH

July 6, 1993Erie County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 6, 1993, 4:00 PM EDT for Erie County, Pennsylvania. It was in force for 75 min.

The area

The counties it named.

The facts

Issued
Jul 6, 1993, 4:00 PM EDT (20:00 UTC)
Expired
Jul 6, 1993, 5:15 PM EDT
In force
75 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Erie County, PA

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.0 hours before the alert went out and 146 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.

Skew-T log-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 1993-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1273 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 1993-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1273 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
912 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
-52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS1 KERI 062016
SVRCLE
PAC049-062115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ERIE PA
400 PM EDT TUE JUL 6 1993
 
THE NATIONAL WEATHER SERVICE IN ERIE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  500 PM EDT
FOR THE FOLLOWING LOCATION...
 
IN NORTHWEST PENNSYLVANIA
 
   ...ERIE COUNTY
 
AND AJACENT LAKE ERIE WATERS
 
 
AT 400 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM NEAR LAKE CITY IN NORTHERN ERIE COUNTY. THIS THUNDERSTORM
WAS MOVING TO THE EAST AT 35 MILES PER HOUR. THIS STORM WILL AFFECT THE
CITIES OF ERIE..LAWRENCE PARK...AND NORTH EAST WITHIN THE NEXT HOUR.
 
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
...RETRANSMITTED FOR AFOS ACCEPTENCE...
BELK/LAMBERT/PARRISH/MILLER

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, Jul 6, 11:15 AM EDT, 4 hours 45 minutes before
OHZ011-006-061615-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MANSFIELD OH
1115 AM EDT TUE JUL 6 1993

...TEST...TEST...TEST...
THIS IS ONLY A TEST FOR COMMUNICATIONS PURPOSE.

DOXEY

NNNN
Special weather statement, Jul 6, 11:15 AM EDT, 4 hours 45 minutes before
OHZ011-006-061615-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MANSFIELD OH
1115 AM EDT TUE JUL 6 1993

...TEST...TEST...TEST...
THIS IS ONLY A TEST FOR COMMUNICATIONS PURPOSE.

DOXEY

H

NNNN
Special weather statement, Jul 6, 3:16 PM EDT, 44 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
316 PM EDT TUE JUL 06 1993

...SHOWERS AND THUNDERSTORMS ARE MOVING INTO NORTHWEST PENNSYLVANIA...

AT 300 PM EDT A LINE OF SHOWERS AND THUNDERSTORMS WAS LOCATED JUST OFFSHORE
FROM CONNEAUT OHIO TO NEAR AKRON OHIO.  THESE STORMS WERE MOVING TO THE EAST
AT 35 MILES PER HOUR.  THESE SHOWERS AND THUNDERSTORMS SHOULD ARRIVE IN THE
VICINITY OF ERIE BEFORE 400 PM EDT.

THESE THUNDERSTORMS MAY CONTAIN LOCALLY HEAVY RAIN...DANGEROUS LIGHTNING...
STRONG GUSTY WINDS...AND POSSIBLE SMALL HAIL.

SMALL BOATERS ON LAKE ERIE AND PRESQUE ISLE BAY SHOULD SEEK SAFE HARBOR IF
THREATENING WEATHER APPROACHES.

BELK/PARRISH
Special weather statement, Jul 6, 3:16 PM EDT, 44 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
316 PM EDT TUE JUL 06 1993

...SHOWERS AND THUNDERSTORMS ARE MOVING INTO NORTHWEST PENNSYLVANIA...

AT 300 PM EDT A LINE OF SHOWERS AND THUNDERSTORMS WAS LOCATED JUST OFFSHORE
FROM CONNEAUT OHIO TO NEAR AKRON OHIO.  THESE STORMS WERE MOVING TO THE EAST
AT 35 MILES PER HOUR.  THESE SHOWERS AND THUNDERSTORMS SHOULD ARRIVE IN THE
VICINITY OF ERIE BEFORE 400 PM EDT.

THESE THUNDERSTORMS MAY CONTAIN LOCALLY HEAVY RAIN...DANGEROUS LIGHTNING...
STRONG GUSTY WINDS...AND POSSIBLE SMALL HAIL.

SMALL BOATERS ON LAKE ERIE AND PRESQUE ISLE BAY SHOULD SEEK SAFE HARBOR IF
THREATENING WEATHER APPROACHES.

BELK/PARRISH
Special weather statement, Jul 6, 3:40 PM EDT, 20 minutes before
OHZ004-007-062040-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
340 PM EDT TUE JUL 06 1993

SCATTERED SHOWERS AND THUNDERSTORMS WERE MOVING ACROSS THE EASTERN
TWO-THIRD OF OHIO THIS AFTERNOON.

AT 332 PM EDT WEATHER SERVICE RADAR INDICATED A CLUSTER OF THUNDERSTORMS
OVER NORTH CENTRAL OHIO. THERE WAS AN ISOLATED THUNDERSTORM OVER WESTERN
STARK...SOUTHEASTERN HOLMES AND NORTHWESTERN TUSCARAWAS COUNTIES. THERE
WERE OTHER THUNDERSTORMS OVER CENTRAL OHIO NEAR COLUMBUS AND ZANESVILLE.
THE STORMS WERE MOVING NORTHEAST AROUND 35 MPH.

THESE STORMS ARE CAPABLE OF PRODUCING GUSTY WINDS UPTO 35 MPH...BRIEF VERY
HEAVY RAINS AND SMALL HAIL. THE HEAVY RAINS WILL CAUSE PONDING OF WATER ON
ROADWAYS AND EVEN FLOODING OF POOR DRIANAGE AREAS.

IK
Special weather statement, Jul 6, 3:41 PM EDT, 19 minutes before
OHZ004-007-062040-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
340 PM EDT TUE JUL 06 1993

SCATTERED SHOWERS AND THUNDERSTORMS WERE MOVING ACROSS THE EASTERN
TWO-THIRD OF OHIO THIS AFTERNOON.

AT 332 PM EDT WEATHER SERVICE RADAR INDICATED A CLUSTER OF THUNDERSTORMS
OVER NORTH CENTRAL OHIO. THERE WAS AN ISOLATED THUNDERSTORM OVER WESTERN
STARK...SOUTHEASTERN HOLMES AND NORTHWESTERN TUSCARAWAS COUNTIES. THERE
WERE OTHER THUNDERSTORMS OVER CENTRAL OHIO NEAR COLUMBUS AND ZANESVILLE.
THE STORMS WERE MOVING NORTHEAST AROUND 35 MPH.

THESE STORMS ARE CAPABLE OF PRODUCING GUSTY WINDS UPTO 35 MPH...BRIEF VERY
HEAVY RAINS AND SMALL HAIL. THE HEAVY RAINS WILL CAUSE PONDING OF WATER ON
ROADWAYS AND EVEN FLOODING OF POOR DRIANAGE AREAS.

IK

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.