Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 22, NWS Cleveland, OH

April 15, 1994Crawford County, Erie County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Apr 15, 1994, 3:01 PM EDT for Crawford County, Erie County, Pennsylvania. It was in force for 59 min.

The area

The counties it named.

The facts

Issued
Apr 15, 1994, 3:01 PM EDT (19:01 UTC)
Expired
Apr 15, 1994, 4:00 PM EDT
In force
59 min
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Crawford County, PA, Erie County, PA

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 7.0 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.

Skew-T log-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 1994-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1994-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 158 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1820 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
158 m²/s²
0-3 km storm-relative helicity
173 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 
TTAA00 KERI 151900
SVRERI
PAC039-049-152000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ERIE PA
301 PM EDT FRI APR 15 1994
 
THE NATIONAL WEATHER SERVICE IN ERIE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  400 PM EDT
FOR THE FOLLOWING LOCATIONS...
 
IN NORTHWEST PENNSYLVANIA
 
   ...CRAWFORD COUNTY...ERIE COUNTY
 
AND AJACENT LAKE ERIE WATERS
 
AT 258 PM NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS MOVING INTO ERIE AND CRAWFORD COUTNIES OF NORTHWEST
PENNSYLVANIA AT 50 MPH.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  SEVERE THUNDERSTORMS CAN AND OFTEN DO PRODUCE
TORNADOES WITH LIITLE OR NO ADVANCE WARNING.  PEOPLE OUTSIDE SHOULD
MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY
FROM WINDOWS.
 
BELK

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, Apr 15, 10:42 AM EDT, 4 hours 19 minutes before
OHZ002-003-005>008-016>018-027-151600-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE TOLEDO OH
1041 AM EDT FRI APR 15 1994

A TORNADO WATCH IS IN EFFECT FOR ALL NORTHWEST OHIO UNTIL 4 PM EDT.

AT 1035 AM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A THUNDERSTORM
OVER FULTON COUNTY OF NORTHWEST OHIO. THIS STORM HAS PRODUCED SEVERAL
REPORTS OF PEA-SIZED HAIL FROM THE SHERIFF'S OFFICE AND SKYWARN
SPOTTERS IN NORTHERN FULTON COUNTY BETWEEN 10 AND 1015 AM. THIS STORM
WAS A PART OF A LINE OF STORMS THAT EXTENDED NORTH INTO SOUTHEAST
LOWER MICHIGAN AND INTO EXTREME NORTHEAST INDIANA.

THE STORMS WERE MOVING NORTHEAST AT 40 MPH. STORMS...SOME LIKELY TO BE
SEVERE...WILL CONTINUE TO AFFECT NORTHWEST OHIO THROUGH THE AFTERNOON
HOURS. REMEMBER...SEVERE STORMS CAN PRODUCE TORNADOS WITH LITTLE OR NO
ADVANCE WARNING.

ALL RESIDENTS IN NORTHWEST OHIO SHOULD KEEP ABREAST TO THE LATEST
STATEMENTS AND POSSIBLE WARNINGS. REPORT ANY SEVERE WEATHER TO YOUR
NEAREST LAW ENFORCEMENT OFFICIAL.

MURPHY
CORRECTED WORDING AND TYPOS
Special weather statement, Apr 15, 10:56 AM EDT, 4 hours 5 minutes before
OHZ029-028-037-047-030-151600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MANSFIELD OH
1105 AM EDT FRI APR 15 1994

A TORNADO WATCH IS IN EFFECT UNTIL 4 PM FOR CRAWFORD COUNTY
AND ALL OF WESTERN OHIO.

AT 1045 AM NATIONAL WEATHER SERVICE RADAR INDICATED A BROKEN LINE OF
THUNDERSTORMS FROM MARION AND MORROW COUNTIES EXTENDING TO THE
EAST AND SOUTH OF COLUMBUS. HALF INCH HAIL WAS REPORTED WITH THESE
THUNDERSTORMS AS THEY MOVED THROUGH COLUMBUS.

THESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 40 MILES AN
HOUR...AND WILL BE AFFECTING KNOX...RICHLAND...AND ASHLAND COUNTIES
DURING THE NEXT HOUR.

THESE THUNDERSTORMS MAY DEVELOP QUICKLY...IF THREATENING WEATHER
APPROACHES TAKE SHELTER IMMEDIATELY.

BLONDIN
NNNN
Special weather statement, Apr 15, 12:49 PM EDT, 2 hours 12 minutes before
OHZ021-022-031-032-038-039-048-058-131635-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
1248 PM EDT FRI APR 15 1994

A TORNADO WATCH IS IN EFFECT FOR EASTERN OHIO...WESTERN PENNSYLVANIA
AND WEST VIRGINIA THIS AFTERNOON AND EVENING.

AT 1240 PM NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
THUNDERSTORMS EXTENDING FROM NEAR CLEVELAND SOUTH THROUGH AKRON...
CANTON...DOVER...AND SAINT CLAIRSVILLE TO EAST OF PARKERSBURG
WEST VIRGINIA.  OTHER THUNDERSTORMS EXTENDED FROM AKRON SOUTHWEST
THROUGH WOOSTER AND MILLERSBURG TO NEAR COLUMBUS.  OTHER THUNDERSTORMS
WERE OVER ASHLAND COUNTY. THE STORMS WERE MOVING NORTHEAST AT 50 MPH.

THE STORMS WILL PRODUCE VERY HEAVY RAIN...GUSTY WINDS UP TO 50 MPH...
DANGEROUS LIGHTNING AND POSSIBLY HAIL. THOSE ALONG THEIR PATH SHOULD
TAKE SHELTER UNTIL THEY HAVE PASSED.

NIBERT
Special weather statement, Apr 15, 1:52 PM EDT, 1 hour 9 minutes before
OHZ021-022-031-032-038-039-048-058-131635-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
145 PM EDT FRI APR 15 1994

A TORNADO WATCH IS IN EFFECT FOR EASTERN OHIO...WESTERN PENNSYLVANIA
AND WEST VIRGINIA THIS AFTERNOON AND EVENING.

AT 145PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF
THUNDERSTORMS EXTENDING FROM CLEVELAND SOUTH THROUGH SUMMIT AND STARK
COUNTIES INTO TUSCARAWAS COUNTY.  POSSIBLE SEVERE THUNDERSTORMS WERE
MEDINA COUNTY...SUMMIT COUNTY AND STARK COUNTY.  OTHER THUNDERSTORMS
WERE IN CENTRAL OHIO FROM FINDAY THROUGH COLUMBUS TO NEAR PORTSMOUTH
IN SOUTHERN OHIO.  THERE WERE ALSO A FEW THUNDERSTORMS OVER NORTHERN
WEST VIRGINIA AND SOUTHWEST PENNSYLVANIA. THE STORMS WERE MOVING
NORTHEAST AT 50 MPH.

THE STORMS HAVE A HISTORY OF PRODUCING FREQUENT LIGHTNING...STRONG
WINDS...HAIL AND BRIEF HEAVY DOWNPOURS.
NIBERT
Special weather statement, Apr 15, 2:23 PM EDT, 38 minutes before
PAZ001>003-151900-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
215 PM EDT FRI APR 15 1994

...TORNADO WATCH IN EFFECT FOR ERIE AND CRAWFORD COUNTY TIL 7 P.M...

...LINE OF STRONG TO POSSIBLY SEVERE THUNDERSTORMS MOVING TOWARD
   EXTREME NORTHWESTERN PENNSYLVANIA...

NATIONAL WEATHER SERVICE RADAR FROM ERIE AND DOPPLER RADAR FROM
CLEVELAND OHIO SHOWED A LINE OF STRONG TO POSSIBLY SEVERE THUNDERSTORMS
LOCATED FROM THE WEST CENTRAL WATERS OF LAKE ERIE...SOUTH TO NEAR GENEVA
OHIO...TO NEAR GARRETTSVILLE.

THIS LINE OF THUNDERSTORMS WAS MOVING TO THE EAST AT 45 MPH.

THE STORMS WILL MOVE INTO WESTERN ERIE AND CRAWFORD COUNTY IN PENNSYL-
VANIA AROUND 3 P.M. EDT.

THE STORMS HAVE A HISTORY OF PRODUCING STRAIGHT-LINE WIND DAMAGE AS
THEY MOVED ACROSS NORTHERN OHIO DURING THE PAST FEW HOURS.

THESE THUNDERSTORMS WILL PRODUCE FREQUENT DEADLY CLOUD-TO-GROUND
LIGHTNING...HEAVY DOWNPOURS OF RAIN...POSSIBLE DAMAGING WINDS AND
HAIL.

THIS IS A POTENTIALLY DANGEROUS SEVERE WEATHER SITUATION!

REMEMBER...THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO
ADVANCE WARNING.

PERSONS ACROSS NORTHWEST PENNSYLVANIA AND SURROUNDING AREAS SHOULD
BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS.  WHEN THUNDER-
STORMS ARE OCCURRING...ITS BEST TO REMAIN INDOORS AND AWAY FROM
WINDOWS.

KEEP TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TV STATIONS...
OR THE WEATHER CHANNEL FOR LATER UPDATES.

LAMBERT/PARRISH/WELLS
Special weather statement, Apr 15, 2:24 PM EDT, 37 minutes before
0HZ023-033-041-PAZ007-013-151930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN, OH
223 PM EDT FRI APR 15 1994

AT 215 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A LINE
OF STRONG AND POSSIBLY SEVERE THUNDERSTORMS EXTENDING SOUTH FROM
CLEVELAND THROUGH THE AKRON-CANTON AREA TO NEAR ZANESVILLE. THIS
LINE WAS MOVING TO THE NORTHEAST AT 40 MPH. THIS LINE IS EXPECTED
TO ENTER TRUMBULL...MAHONING AND COLUMBIANA COUNTIES IN NORTHEAST
OHIO BY 230 PM EDT.

THIS LINE OF STORMS PRODUCED LARGE HAIL AND STRONG WINDS EARLIER THIS
AFTERNOON ACROSS CENTRAL OHIO. PEOPLE LIVING NEAR THE WARREN AND
YOUNGSTOWN AREAS SHOULD BE PREPARED TO TAKE ACTION AS THESE STORMS
APPROACH THOSE CITIES SHORTLY AFTER 230 PM EDT.

REMEMBER A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM EDT TONIGHT.
TORNADOES WERE REPORTED ACROSS SOUTHWEST AND SOUTH-CENTRAL OHIO
AROUND 100 PM EDT THIS AFTERNOON. PEOPLE SHOULD REMAIN ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS THIS AFTERNOON. BE PREPARED TO
TAKE ACTION IF SEVERE WEATHER SHOULD THREATEN YOU. USE YOUR HEAD...THE
ACTIONS YOU TAKE MAY SAVE YOUR LIFE.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR FURTHER
UPDATES.

KUBINA

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 15, 6:57 PM EDTSevere Thunderstorm WarningCLEElk63 min
Apr 15, 7:09 PM EDTSevere Thunderstorm WarningCLEMcKean66 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1994Every severe thunderstorm warning in 1994

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.