Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 80, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Aug 28, 1990, 7:54 PM EDT for Crawford County, Pennsylvania. It was in force for 66 min. 3 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 28, 1990, 7:54 PM EDT (23:54 UTC)
- Expired
- Aug 28, 1990, 9:00 PM EDT
- In force
- 66 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 |
|---|---|---|---|
| Aug 28, 7:55 PM EDT | Thunderstorm Wind 0 | Crawford, PA | |
| Aug 28, 8:15 PM EDT | Thunderstorm Wind 0 | Crawford, PA | |
| Aug 28, 8:35 PM EDT | Thunderstorm Wind 0 | 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 12:00Z, 11.9 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
- 32 J/kg
- Mixed-layer CIN
- -526 J/kg
- Mixed-layer LCL
- 1729 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 136 m²/s²
- 0-3 km storm-relative helicity
- 251 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 282354
SVRERI
PAC039-290100-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ERIE PA
754 PM EDT TUE AUG 28 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 900 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE NORTHWEST PART OF PENNSYLVANIA
CRAWFORD
AT 750 PM RADAR INDICATED A SEVERE THUNDERSTORM NEAR LINEVILLE
IN CRAWFORD CO PA. THIS STORM WAS MOVING SOUTHEAST AT 35 MILES AN
HOUR.
POWER LINES HAVE BEEN REPORTED DOWN IN THE COUNTY AND MUCH OF THE
COUNTY IS WITHOUT POWER.
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.
IF THREATENING WEATHER APPROACHES YOU SHOULD GO TO A SAFE PLACE
IMMEDIATELY AND ASK THE NEAREST LAW ENFORCEMENT AGENY TO RELAY YOUR
SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE OFFICE.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
HEAVY RAINFALL MAY CAUSE SOME STREET AND URBAN FLOODING.
RRWhat 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 28, 3:25 PM EDT, 4 hours 29 minutes before
OHZALL-282100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 340 PM EDT TUE AUG 28 1990 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE NORTHERN TWO THIRDS OF OHIO UNTIL 10 PM EDT. THE SEVERE THUNDERSTORM WATCH INCLUDES THE FOLLOWING CITIES... CLEVELAND... TOLEDO...DAYTON... COLUMBUS... YOUNGSTOWN... MANSFIELD AND AKRON-CANTON. AT 310 PM RADAR WAS SHOWING A DEVELOPING LINE OF THUNDERSTORMS FROM NORTHEAST OF DETROIT TO NEAR SOUTH BEND. THE THUNDERSTORMS WERE MOVING EAST SOUTHEAST AT 40 MPH AND WILL ENTER NORTHWEST OHIO BY 4 PM. PEOPLE IN OHIO SHOULD KEEP AN EYE TO THE SKY AND BE PREPARED FOR SOME SEVERE THUNDERSTORMS. THE THUNDERSTORMS COULD HAVE WIND GUSTS IN EXC@ESS OF 58 MPH... HAIL AND EVEN HEAVY RAIN. KIELTYKA
Special weather statement, Aug 28, 5:02 PM EDT, 2 hours 52 minutes before
OHZ001-002-011-282200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TOLEDO OH 501 PM EDT TUE AUG 28 1990 THUNDERSTORMS WERE MOVING INTO NORTHWEST OHIO THIS EVENING. AT 455 PM WEATHER RADAR INDICATED THUNDERSTORMS WITH POSSIBLE HAIL LOCATED IN WILLIAMS COUNTY OF NORTHWEST OHIO. THESE STORMS WERE MOVING EAST AT 35 MPH... AND WILL MOVE INTO FULTON AND HENRY COUNTIES BY 530 PM. THIS IS A POTENTIALLY DANGEROUS SITUATION. IF YOU ARE IN NORTHWEST OHIO YOU SHOULD PREPARE FOR SEVERE THUNDERSTORMS WITH HAIL AND DAMAGING WINDS. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES AND POSSIBLE WARNINGS. MURPHY
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 6:15 PM EDT | Tornado Warning | CLE | Erie | 60 min |
| Aug 28, 7:16 PM EDT | Tornado Warning | CLE | Erie | 59 min |
| Aug 28, 7:44 PM EDT | Severe Thunderstorm Warning | CLE | Forest, Venango, Warren | 61 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.