Alert archive / Pennsylvania / Flash Flood Warnings in 1994

Flash Flood Warning 16, NWS Cleveland, OH

February 21, 1994Erie County, Pennsylvania

NWS Cleveland, OH issued this flash flood warning at Feb 21, 1994, 5:30 AM EST for Erie County, Pennsylvania. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Feb 21, 1994, 5:30 AM EST (10:30 UTC)
Expired
Feb 21, 1994, 11:45 AM EST
In force
6 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

County Erie County, PA

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 10.5 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 00:00Z on 1994-02-21Temperature 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 00:00Z on 1994-02-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 136 square meters per square second.1939587897Sfc1 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
564 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
136 m²/s²
0-3 km storm-relative helicity
104 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 211040
FFWERI
PAC049-211645-
 
BULLETIN - EBS ACTIVATION REQUESTED
ICE JAM FLOOD WARNING
NATIONAL WEATHER SERVICE ERIE PA
530 AM EST MON FEB 21 1994
 
THE NATIONAL WEATHER SERVICE IN ERIE HAS ISSUED A
ICE JAM FLOOD WARNING EFFECTIVE UNTIL 1130 AM EST
FOR THE FOLLOWING LOCATION...
 
IN NORTHWEST PENNSYLVANIA
 
   ...ERIE COUNTY
 
ICE JAM FLOODING CONTINUES ALONG THE ELK CREEK IN LAKE CITY IN GIRARD
TOWNSHIP. FLOODING FROM THE ICE JAM WAS LOCATED SOUTH OF RTE 5 AND ALONG
THE ELK PARK ROAD AREA.
 
WITH ONLY LIGHT DRIZZLE EXPECTED THIS MORNING AND COLDER TEMPERATURES
SLOWING THE SNOWMELT RUNOFF UPSTREAM...CONDITIONS SHOULD BEGIN TO
IMPROVE BY THIS AFTERNOON.
 
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS W^HERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.
 
 
 
&

What forecasters said that day

The local office's own words before this flash flood 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, Feb 21, 4:14 AM EST, 1 hour 16 minutes before
PAZ001>006-008>011-211300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
414 AM EST MON FEB 21 1994

...AREAS OF DENSE FOG IN NORTHWEST PENNSYLVANIA...

DRIVERS ACROSS NORTHWEST PENNSYLVANIA THIS MORNING SHOULD BE ON THE ALERT
FOR AREAS OF DENSE FOG.  VISIBILITY HAS BEEN REDUCED TO 1/4 OF A MILE OR
LESS IN SOME AREAS.

GIVE YOURSELF PLENTY OF TIME TO REACH YOUR DESTINATION IF YOU MUST TRAVEL
THIS MORNING.  VISIBILITY SHOULD BEGIN TO IMPROVE AFTER SUNRISE.

PARRISH
Special weather statement, Feb 21, 4:25 AM EST, 1 hour 5 minutes before
PAZ001>006-008>011-211300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
414 AM EST MON FEB 21 1994

...AREAS OF DENSE FOG IN NORTHWEST PENNSYLVANIA...

DRIVERS ACROSS NORTHWEST PENNSYLVANIA THIS MORNING SHOULD BE ON THE ALERT
FOR AREAS OF DENSE FOG.  VISIBILITY HAS BEEN REDUCED TO 1/4 OF A MILE OR
LESS IN SOME AREAS.

GIVE YOURSELF PLENTY OF TIME TO REACH YOUR DESTINATION IF YOU MUST TRAVEL
THIS MORNING.  VISIBILITY SHOULD BEGIN TtO IMPROVE AFTER SUNRISE.

PARRISH
Special weather statement, Feb 21, 5:18 AM EST, 12 minutes before
0HZ023-033-PAZ007-211300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
518 AM EST MON FEB 21 1994

DENSE FOG WAS WIDESPREAD ACROSS THE MAHONING AND SHENANGO VALLEYS THIS
MORNING.  AT TIMES THE VISIBILITY AT THE YOUNGSTOWN-WARREN AIRPORT WAS
REDUCED TO ONE-HALF MILE.  THE VISIBILITY WILL GRADUALLY IMPROVE AFTER
SUNRISE.

MOTORISTS SHOULD USE EXTREME CAUTION AND ALLOW FOR EXTRA TRAVEL TIME
THIS MORNING.

WILKINSON
Special weather statement, Feb 21, 5:18 AM EST, 12 minutes before
0HZ023-033-PAZ007-211300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
518 AM EST MON FEB 21 1994

DENSE FOG WAS WIDESPREAD ACROSS THE MAHONING AND SHENANGO VALLEYS THIS
MORNING.  AT TIMES THE VISIBILITY AT THE YOUNGSTOWN-WARREN AIRPORT WAS
REDUCED TO ONE-HALF MILE.  THE VISIBILITY WILL GRADUALLY IMPROVE AFTER
SUNRISE.

MOTORISTS SHOULD USE EXTREME CAUTION AND ALLOW FOR EXTRA TRAVEL TIME
THIS MORNING.

WILKINSON

Nearby

Flash Flood Warnings in Pennsylvania, 1994Every flash flood 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.