Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 52, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Jun 30, 1990, 8:36 PM EDT for Crawford County, Pennsylvania. It was in force for 69 min. 1 report 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
- Jun 30, 1990, 8:36 PM EDT (00:36 UTC)
- Expired
- Jun 30, 1990, 9:45 PM EDT
- In force
- 69 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Crawford County, PA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 30, 9:10 PM EDT | Hail 0.75 | Crawford, PA |
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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 0.6 hours before the alert went out and 142 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
- 1515 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 1023 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KERI 010036
SVRERI
PAC039-010145-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ERIE PA
836 PM EDT SAT JUN 30 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 945 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE NORTHWEST PART OF PENNSYLVANIA
CRAWFORD
AT 830 PM EDT RADAR INDICATED A SEVERE THUNDERSTORM NEAR EDINBORO
ALONG THE ERIE COUNTY...CRAWFORD COUNTY BORDER. THIS STORM WAS
MOVING SOUTHEAST INTO CRAWFORD COUNTY AT 30 MILES AN HOUR.
THIS STORM PRODUCED 3/4 INCH HAIL...VERY HEAVY RAIN AND
SEVERE LIGHTNING AS IT MOVED THROUGH ERIE COUNTY.
IF YOU ARE CAUGHT OUTSIDE...FIND SHELTER IN A NEARBY REIN_FORCED
BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND DANGEROUS
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
REMEMBER ALSO THAT TORNADOS ARE POSSIBLE WITH SEVERE
THUNDERSTORMS.
PARRISH/WELLSWhat 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 30, 6:32 PM EDT, 2 hours 4 minutes before
PAZ001-002-302330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 630 PM EDT SAT JUN 30 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL NORTHWEST PENNSYLVANIA... ...UNTIL 10 PM EDT... ...STRONG THUNDERSTORMS IN NORTHWEST PENNSYLVANIA... AT 630 PM WEATHER RADAR SHOWED A STRONG THUNDERSTORM ALONG THE OHIO... PENNSYLVANIA BORDER WEST OF ALBION. THIS STORM WAS MOVING SOUTHEAST AT 25 MILES AN HOUR AND WILL BE EFFECTING THE SOUTHWEST CORNER OF ERIE COUNTY BEFORE MOVING INTO CRAWFORD COUNTY AROUND 700 PM. OTHER THUNDERSTORMS WERE ALONG THE ALLEGHENY RIVER NORTH OF TIONESTA. THESE THUNDERSTORMS WILL CAUSE HEAVY DOWNPOURS...STRONG GUSTY WINDS... DANGEROUS LIGHTNING AND HAIL. PARRISH/WELLS
Special weather statement, Jun 30, 6:38 PM EDT, 1 hour 58 minutes before
OHZ006-011-302330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MANSFIELD OH 638 PM EDT SAT JUN 30 1990 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL... AT 635 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED A SMALL AREA OF THUNDERSTORMS OVER NORTHEAST MORROW COUNTY. THEY WERE MOVING SOUTHEAST AT 30 MPH. THIS AREA OF THUNDERSTORMS IS CAPABLE OF PRODUCING HEAVY DOWNPOURS.. POSSIBLY SOME HAIL AND STRONG GUSTY S4URFACE WINDS. THE THUNDERSTORMS WILL MOVE INTO NORTHERN KNOX COUNTY BY 645PM EDT. IF THREATENING WEATHER APPROACHES BE PREPARED TO SEEK SHELTER. BANYAS
Special weather statement, Jun 30, 6:39 PM EDT, 1 hour 57 minutes before
OHZ006-011-302330- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE MANSFIELD OH 638 PM EDT SAT JUN 30 1990 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 PM EDT... AT 635 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED A SMALL AREA OF THUNDERSTORMS OVER NORTHEAST MORROW COUNTY. THEY WERE MOVING SOUTHEAST AT 30 MPH. THIS AREA OF THUNDERSTORMS IS CAPABLE OF PRODUCING HEAVY DOWNPOURS.. POSSIBLY SOME HAIL AND STRONG GU5STY SURFACE WINDS. THE THUNDERSTORMS WILL MOVE INTO NORTHERN KNOX COUNTY BY 645PM EDT. IF THREATENING WEATHER APPROACHES BE PREPARED TO SEEK SHELTER. BANYAS
Special weather statement, Jun 30, 7:00 PM EDT, 1 hour 36 minutes before
PAZ001-002-003-010000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 755 PM EDT SAT JUN 30 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL NORTHWEST PENNSYLVANIA... ...UNTIL 10 PM EDT... ...STRONG THUNDERSTORMS IN NORTHWEST PENNSYLVANIA... AT 750 PM WEATHER RADAR SHOWED A LINE OF SHOWERS AND THUNDERSTORMS IN NORTHWEST PENNSYLVANIA...THIS LINE WAS 20 MILES WIDE AND EXTENDED FROM THE LINESVILLE AREA IN CRAWFORD COUNTY EASTWARD TO TIONESTA ALONG THE ALLEGENY RIVER THEN CONTINUED EASTWARD TO RIDGWAY IN ELK COUNTY. OTHER THUNDERSTORMS WERE OVER CENTRAL LAKE ERIE NORTH OF THE PENNSYLVANIA LAKESHORE. THESE STORMS WERE MOVING TOWARDS THE SOUTHEAST AT 30 MILES AN HOUR. THESE THUNDERSTORMS WILL CAUSE HEAVY DOWNPOURS...STRONG GUSTY WINDS... DANGEROUS LIGHTNING AND HAIL. SMALL BOATERS ON LAKE ERIE AND PRESQUE ISLE BAY SHOULD BE PREPARED TO MOVE TO SAFE HARBOR IF THREATENING WEATHER APPROACHES. PARRISH/WELLS
Special weather statement, Jun 30, 7:03 PM EDT, 1 hour 33 minutes before
PAZ001-002-003-010000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 655 PM EDT SAT JUN 30 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL NORTHWEST PENNSYLVANIA... ...UNTIL 10 PM EDT... ...STRONG THUNDERSTORMS IN NORTHWEST PENNSYLVANIA... AT 650 PM WEATHER RADAR SHOWED A LINE OF SHOWERS AND THUNDERSTORMS IN NORTHWEST PENNSYLVANIA...THIS LINE WAS 20 MILES WIDE AND EXTENDED FROM THE LINESVILLE AREA IN CRAWFORD COUNTY EASTWARD TO TIONESTA ALONG THE ALLEGENY RIVER THEN CONTINUED EASTWARD TO RIDGWAY IN ELK COUNTY. OTHER THUNDERSTORMS WERE OVER CENTRAL LAKE ERIE NORTH OF THE PENNSYLVANIA LAKESHORE. THESE STORMS WERE MOVING TOWARDS THE SOUTHEAST AT 30 MILES AN HOUR. THESE THUNDERSTORMS WILL CAUSE HEAVY DOWNPOURS...STRONG GUSTY WINDS... DANGEROUS LIGHTNING AND HAIL. SMALL BOATERS ON LAKE ERIE AND PRESQUE ISLE BAY SHOULD BE PREPARED TO MOVE TO SAFE HARBOR IF THREATENING WEATHER APPROACHES. PARRISH/WELLS
Special weather statement, Jun 30, 7:34 PM EDT, 1 hour 2 minutes before
OHZ006-011-010030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MANSFIELD OH 730 PM EDT SAT JUN 30 1990 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 PM EDT... AT 730 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED A LARGE AREA OF THUNDERSTORMS COVERING MOST OF KNOX COUNTY. THE THUNDERSTORMS WERE CENTERED OVER MT. VERNON AND WERE MOVING SOUTHEAST AT 30 MPH. THE THUNDERSTORMS SHOULD EXIT KNOX COUNTY BY 830 PM EDT. TH|E KNOX COUNTY SHERIFF DEPARTMENT REPORTED VERY HEAVY DOWNPOURS WITH THESE THUNDERSTORMS. THE THUNDERSTORMS THIS EVENING HAVE A HISTORY PRODUCING LARGE HAIL. IF THREATENING WEATHER APPROACHES BE PREPARED TO SEEK SHELTER. BANYAS
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 9:27 PM EDT | Severe Thunderstorm Warning | CLE | Venango | 63 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1990Every severe thunderstorm warning in 1990
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.