Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 49, NWS Cleveland, OH

June 12, 2015Erie County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 12, 2015, 3:28 PM EDT for Erie County, Pennsylvania. It was in force for 47 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 12, 2015, 3:28 PM EDT (19:28 UTC)
Expired
Jun 12, 2015, 4:15 PM EDT
In force
47 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Erie County, PA

The radar

The Buffalo radar (KBUF), 141 km from the middle of the area, began a volume at 19:30 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jun 12, 3:30 PM EDTTSTM WND DMGErie, PATREES DOWN ACROSS CITY OF ERIE. MINOR URBAN STREET FLOODING.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 12, 1:14 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 7.5 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.

Skew-T log-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 2015-06-12Temperature 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°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 2015-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 160 square meters per square second.19395878Sfc1 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
1195 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
160 m²/s²
0-3 km storm-relative helicity
215 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.

700 
WUUS51 KCLE 121928
SVRCLE
PAC049-122015-
/O.NEW.KCLE.SV.W.0049.150612T1928Z-150612T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
328 PM EDT FRI JUN 12 2015

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL ERIE COUNTY IN NORTHWESTERN PENNSYLVANIA...

* UNTIL 415 PM EDT

* AT 327 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR NORTHWEST
  HARBORCREEK...OR 10 MILES EAST OF ERIE...MOVING EAST AT 50 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  ERIE...NORTH EAST...WATERFORD...WATTSBURG...NORTHWEST
  HARBORCREEK...HARBORCREEK...LAWRENCE PARK...WESLEYVILLE...MCKEAN...
  ELGIN...FAIRVIEW...NORTHWEST HARBORCR AND MIDDLEBORO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4201 7976 4200 7962 4190 7961 4197 8033
      4209 8021 4212 8013 4213 8015 4213 8012
      4214 8009 4215 8011 4214 8014 4217 8012
      4217 8008 4215 8010 4215 8006 4227 7977
TIME...MOT...LOC 1927Z 259DEG 45KT 4212 7991 

HAIL...<.75IN
WIND...60MPH
 
$$

KO
2 follow-up statements
311 
WWUS51 KCLE 121944
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
344 PM EDT FRI JUN 12 2015

PAC049-122015-
/O.CON.KCLE.SV.W.0049.000000T0000Z-150612T2015Z/
ERIE PA-
344 PM EDT FRI JUN 12 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR EASTERN ERIE COUNTY...

AT 343 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 17 MILES EAST OF 
ERIE...OR 6 MILES NORTH OF WATTSBURG MOVING EAST AT 45 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
NORTH EAST...WATERFORD...WATTSBURG...NORTHWEST HARBORCREEK...
HARBORCREEK AND ELGIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4201 7976 4200 7962 4190 7961 4194 8007
      4210 7999 4219 7997 4227 7977
TIME...MOT...LOC 1943Z 259DEG 39KT 4212 7978 

HAIL...<.75IN
WIND...60MPH
 
$$

KO
702 
WWUS51 KCLE 122008
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
408 PM EDT FRI JUN 12 2015

PAC049-122017-
/O.EXP.KCLE.SV.W.0049.000000T0000Z-150612T2015Z/
ERIE PA-
408 PM EDT FRI JUN 12 2015

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN ERIE COUNTY WILL
EXPIRE AT 415 PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FOR
NORTHWESTERN PENNSYLVANIA.

LAT...LON 4201 7976 4200 7962 4190 7961 4194 8007
      4210 7999 4219 7997 4227 7977
TIME...MOT...LOC 2006Z 259DEG 45KT 4212 7978 

$$

KO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 4:10 PM EDTSevere Thunderstorm WarningCLECrawford, Erie47 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2015Every severe thunderstorm warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.