Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 371, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Aug 24, 1998, 8:40 AM EDT for Crawford County, Erie County, Pennsylvania. It was in force for 60 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 24, 1998, 8:40 AM EDT (12:40 UTC)
- Expired
- Aug 24, 1998, 9:40 AM EDT
- In force
- 60 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
Counties Crawford County, PA, Erie County, PA
The radar
The Pittsburgh radar (KPBZ), 153 km from the middle of the area, began a volume at 12:43 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 24, 8:50 AM EDT | Thunderstorm Wind | Countywide, PA | Numerous trees and power lines were downed, especially in and around Conneautville. |
| Aug 24, 9:00 AM EDT | Thunderstorm Wind 52 | Countywide, PA | Numerous trees and power lines were downed. Two cars were damaged by falling trees in Corry, while wind gusts of 60 miles per hour were measured at Edinboro and Franklin Center. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 0.7 hours before the alert went out and 162 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
- 1420 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 952 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 203 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 8.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCLE 241240 RRA SVRCLE PAC039-049-PAZ520-241340- BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CLEVELAND OH 840 AM EDT MON AUG 24 1998 THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ERIE COUNTY PA INCLUDING ADJACENT COASTAL WATERS IN NORTHWESTERN PENNSYLVANIA CRAWFORD COUNTY PA IN NORTHWESTERN PENNSYLVANIA * UNTIL 940 AM EDT * AT 839 AM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE SEVERE THUNDERSTORMS FROM EASTERN ASHTABULA COUNTY THROUGH GEAUGA COUNTY. THE STORMS WERE MOVING EAST AT 40 MPH. DAMAGING WINDS TO 60 MPH AND LARGE HAIL ARE LIKELY. * THE SEVERE THUNDERSTORZMS WILL BE NEAR... LAKE CITY ERIE WATERFORD LINESVILLE MEADVILLE SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! GABRIC
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, Aug 24, 4:40 AM EDT, 4 hours before
OHZ003-006>014-017>023-027>033-036>038-047-089-PAZ001>003-251000- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE CLEVELAND OH 440 AM EDT MON AUG 24 1998 SOME OF THE THUNDERSTORMS IN NORTHERN OHIO AND ERIE AND CRAWFORD COUNTIES IN NORTHWEST PENNSYLVANIA COULD BECOME SEVERE TODAY AND TONIGHT. NORTHERN OHIO AND NORTHWEST PENNSYLVANIA WILL BE IN A MOIST AND UNSTABLE SOUTHWEST FLOW THROUGH TONIGHT. WEATHER SYSTEMS IN THIS WILL TRIGGER SCATTERED THUNDERSTORMS. SOME OF THESE THUNDERSTORMS COULD BECOME SEVERE WITH DAMAGING WINDS AND LARGE HAIL. SPOTTER ACTIVATION MAY BE NEEDED AT TIMES THROUGH TONIGHT. KIELTYKA
Special weather statement, Aug 24, 4:40 AM EDT, 4 hours before
OHZ003-006>014-017>023-027>033-036>038-047-089-PAZ001>003-251000- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE CLEVELAND OH 440 AM EDT MON AUG 24 1998 SOME OF THE THUNDERSTORMS IN NORTHERN OHIO AND ERIE AND CRAWFORD COUNTIES IN NORTHWEST PENNSYLVANIA COULD BECOME SEVERE TODAY AND TONIGHT. NORTHERN OHIO AND NORTHWEST PENNSYLVANIA WILL BE IN A MOIST AND UNSTABLE SOUTHWEST FLOW THROUGH TONIGHT. WEATHER SYSTEMS IN THIS WILL TRIGGER SCATTERED THUNDERSTORMS. SOME OF THESE THUNDERSTORMS COULD BECOME SEVERE WITH DAMAGING WINDS AND LARGE HAIL. SPOTTER ACTIVATION MAY BE NEEDED AT TIMES THROUGH TONIGHT. KIELTYKA
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1998Every severe thunderstorm warning in 1998
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.