Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 50, NWS Cleveland, OH

May 25, 1991Erie County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at May 25, 1991, 4:31 PM EDT for Erie County, Pennsylvania. It was in force for 59 min.

The area

The counties it named.

The facts

Issued
May 25, 1991, 4:31 PM EDT (20:31 UTC)
Expired
May 25, 1991, 5:30 PM EDT
In force
59 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Erie County, PA

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.5 hours before the alert went out and 146 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 1991-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 103 joules per kilogram.LCLLFCEL10008507005003002001001 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 1991-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
103 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
633 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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

Local storm report, May 25, 1:08 PM EDT, 3 hours 23 minutes before
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Special weather statement, May 25, 1:53 PM EDT, 2 hours 38 minutes before
OHZ002-003-252000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
155 PM EDT SAT MAY 25 1991

STRONG THUNDERSTORMS WERE DEVELOPING OVER EXTREME NORTHEAST OHIO
EARLY THIS AFTERNOON.

AT 145 PM RADAR SHOWED A BAND OF STRONG THUNDERSTORMS OVER CENTRAL
ASHTABULA COUNTY...10 MILES SOUTH OF GENEVA AND 15 MILES SOUTH OF
CONNEAUT THESE THUNDERSTORMS CAN CONTAIN GUSTY WINDS... HAIL AND HEAVY
RAIN.

THE THUNDERSTORMS WERE MOVING SLOWLY SOUTH. PEOPLE SHOULD BE
ALERT BE READY TO MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER
APPROACHES.

THUNDERSTORMS WILL BE DEVELOPING ELSEWHERE IN OHIO LAKESHORE COUNTIES
INTO THE EVENING.

KIELTYKA
Special weather statement, May 25, 2:34 PM EDT, 1 hour 57 minutes before
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Special weather statement, May 25, 3:51 PM EDT, 40 minutes before
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Special weather statement, May 25, 3:59 PM EDT, 32 minutes before
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Local storm report, May 25, 4:06 PM EDT, 25 minutes before
STORM REPORT CORRECTION
NATIONAL WEATHER SERVICE ERIE, PA
404 PM EDT SAT MAY 25 1991

STORM REPORT FOR  FRIDAY MAY 24 1991

TIME  EDT    EVENT
=====================================================================
 1550 EDT....NUMEROUS TREES/LIMBS DOWN 5 MILES NW OF CAMBRIDGE
             SPRINGS IN CRAWFORD COUNTY...REPORTED BY FIRE
             CONTROL...HIGH WIND GUSTS.
 1615 EDT....NUMEROUS TREES/LIMBS DOWNED...POWER LINE POLES
             SNAaPPED/LINES DOWN/POWER OUTAGES AT WATERFORD IN SOUTHERN
             ERIE COUNTY...REPORTED BY WJET TV-24 ON LOCAL NEWS.

 PARRISH

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 7:12 PM EDTFlash Flood WarningCLEOttawa, Sandusky3 hr
May 25, 2:31 PM EDTSevere Thunderstorm WarningCLEErie3 hr
May 25, 5:28 PM EDTSevere Thunderstorm WarningCLEWarren62 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1991Every severe thunderstorm warning in 1991

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.