Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 45, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Jul 7, 1989, 4:23 PM EDT for Elk County, Forest County, Pennsylvania. It was in force for 97 min.
The area
The counties it named.
The facts
- Issued
- Jul 7, 1989, 4:23 PM EDT (20:23 UTC)
- Expired
- Jul 7, 1989, 6:00 PM EDT
- In force
- 97 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
Counties Elk County, PA, Forest County, PA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 8.4 hours before the alert went out and 153 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
- 18 J/kg
- Mixed-layer CIN
- -132 J/kg
- Mixed-layer LCL
- 1092 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 14 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 072023
SVRERI
PAC053-047-121-072200-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ERIE PA
423 PM EDT FRI JUL 7 1989
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 600 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE NORTHWEST PART OF PENNSYLVANIA
FOREST...ELK...VENANGO
AT 4 PM EDT ERIE WEATHER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS FROM NEAR GREENVILLE PENNSYLVANIA EXTENDING EAST TO
NEAR BRADFORD. THE LINE WAS MOVING TO THE SOUTHEAST AT 20 MILES
AN HOUR
WHEN THUNDERSTORMS ARE OCCURRING...PEAOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND NEAR WINDOWS. DO NOT USE TELEPHONES
OR ELECTRICAL APPLIANCES. MOTORISTS SHOULD AVOID LOW WATER CROSSINGS.
IF YOU ARE CAUGHT OUTSIDE...FIND SHELTER IN A NEARBY REINFORCED
BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND DANGEROUS
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.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 7, 4:22 PM EDT, 1 minute before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 422 PM EDT FRI JUL 7 1989 AT 415 PM... CLEVELAND WEATHER RADAR INDICATED A THUNDERSTORM POSSIBLY PRODUCING HAIL IN NORTHEAST HURON COUNTY... EAST OF NORWALK OR ABOUT 30 MILES WEST SOUTHWEST OF CLEVELAND HOPKINS AIRPORT. THIS STORM WAS MOVING SOUTHEAST AT 25 TO 30 MPH AND WILL MOVE THROUGH SOUTHWEST LORAIN COUNTY INTO EITHER NORTHEAST ASHLAND COUNTY OR SOUTHWEST MEDINA COUNTY BY 5 PM. OTHER SHOWERS AND THUNDERSTORMS WERE SCATTERED THROUGH NORTHWEST OHIO FROM NEAR PAULDING AND FINDLAY TO UPPER SANDUSKY AND JUST WEST OF MANSFIELD. THUNDERSTORMS SHOULD AFFECT THE MANSFIELD AREA BETWEEN 430 AND 515 PM. DRAG
Special weather statement, Jul 7, 4:22 PM EDT, 1 minute before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TOLEDO OH 421 PM EDT FRI JUL 7 1989 SHOWERS AND THUNDERSTORMS WERE DEVELOPING OVER NORTHWEST OHIO. AT 417 PM EDT WEATHER SERVICE RADAR INDICATED NEWLY DEVELOPED SCATTERED SHOWERS AN THUNDERSTORMS OVER PUTNAM, HANCOCK, SENECA AND WYANDOT COUNTIES OF NORTHWEST OHIO. THE THUNDERSTORMS CONTINUED TO INCREASE IN STRENGTH AND WERE MOVING SLOWLY SOUTHEAST. THESE SHOWERS AND THUNDERSTORMS ARE EXPECTED TO EXIT NORTHWEST OHIO BY 530 PM. IF THREATENING WEATHER APPROACHES YOUR AREA...SEEK SHELTER. ELH
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 4:23 PM EDT | Severe Thunderstorm Warning | CLE | Venango | 97 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1989Every severe thunderstorm warning in 1989
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.