Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 34, NWS Cleveland, OH

May 7, 2012Medina County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 7, 2012, 5:07 PM EDT for Medina County, Ohio. It was in force for 53 min. 2 reports 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: May 7, 2012, 5:07 PM EDT (21:07 UTC)
Expired: May 7, 2012, 6:00 PM EDT
In force: 53 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

County Medina County, OH

The radar

The Cleveland radar (KCLE), 27 km from the middle of the area, began a volume at 21:10 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

Time	Report	Where	Remark
May 7, 5:07 PM EDT	HAIL 1	Medina, OH
May 7, 5:20 PM EDT	HAIL 0.75	3 E Medina, OH

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

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 9.1 hours before the alert went out and 170 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 180 J/kg
Mixed-layer CIN: -45 J/kg
Mixed-layer LCL: 805 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 83 m²/s²
0-3 km storm-relative helicity: 74 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

134 
WUUS51 KCLE 072107
SVRCLE
OHC103-072200-
/O.NEW.KCLE.SV.W.0034.120507T2107Z-120507T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
507 PM EDT MON MAY 7 2012

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN MEDINA COUNTY IN NORTHEAST OHIO

* UNTIL 600 PM EDT

* AT 506 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR MEDINA...AND MOVING NORTHEAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BRUNSWICK...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. SEEK SHELTER INSIDE NOW AND STAY AWAY FROM
WINDOWS.

&&

PLEASE REPORT HAIL AND STRONG WINDS TO THE NATIONAL WEATHER SERVICE
BY CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 4116 8203 4128 8185 4127 8169 4112 8168
      4102 8188
TIME...MOT...LOC 2108Z 232DEG 18KT 4115 8185

$$

KING

2 follow-up statements

801 
WWUS51 KCLE 072139
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
539 PM EDT MON MAY 7 2012

OHC103-072200-
/O.CON.KCLE.SV.W.0034.000000T0000Z-120507T2200Z/
MEDINA OH-
539 PM EDT MON MAY 7 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR NORTHEASTERN MEDINA COUNTY...

AT 534 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL. THIS STORM WAS LOCATED OVER NORTHEASTERN MEDINA COUNTY...OR 8
MILES SOUTHEAST OF STRONGSVILLE...MOVING NORTHEAST AT 20 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE....

LAT...LON 4121 8185 4127 8169 4114 8168 4112 8168
      4111 8174
TIME...MOT...LOC 2139Z 232DEG 18KT 4125 8169

$$

KING

318 
WWUS51 KCLE 072153
SVSCLE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
553 PM EDT MON MAY 7 2012

OHC103-072203-
/O.EXP.KCLE.SV.W.0034.000000T0000Z-120507T2200Z/
MEDINA OH-
553 PM EDT MON MAY 7 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MEDINA COUNTY
EXPIRES AT 600 PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.

LAT...LON 4121 8185 4127 8169 4114 8168 4112 8168
      4111 8174
TIME...MOT...LOC 2153Z 232DEG 18KT 4129 8162

$$

KING

The office that day

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

Issued	Product	Office	Counties	Lasted
May 7, 9:53 AM EDT	Areal Flood Advisory	CLE	Erie, Sandusky	4 hr
May 7, 1:46 PM EDT	Severe Thunderstorm Warning	CLE	Stark	41 min
May 7, 5:24 PM EDT	Severe Thunderstorm Warning	CLE	Marion, Wyandot	66 min
May 7, 5:52 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Marion, Richland, Wyandot	53 min
May 7, 6:42 PM EDT	Areal Flood Advisory	CLE	Crawford, Wyandot	5 hr
May 7, 7:03 PM EDT	Severe Thunderstorm Warning	CLE	Trumbull	57 min
May 7, 7:32 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula	58 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2012 Every severe thunderstorm warning in 2012

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.