Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 150, NWS Northern Indiana

July 11, 20114 counties in Ohio

NWS Northern Indiana issued this severe thunderstorm warning at Jul 11, 2011, 12:09 PM EDT for 4 counties in Ohio. It was in force for 66 min. 3 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: Jul 11, 2011, 12:09 PM EDT (16:09 UTC)
Expired: Jul 11, 2011, 1:15 PM EDT
In force: 66 min
Issued by: NWS Northern Indiana
Area: Storm-based polygon
Hail: 0.5 in
Wind: 60.0 mph

Counties Allen County, OH, Paulding County, OH, Putnam County, OH, Van Wert County, OH

The radar

The Northern Indiana radar (KIWX), 115 km from the middle of the area, began a volume at 16:10 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
Jul 11, 12:41 PM EDT	TSTM WND GST 51	Van Wert, OH	MEASURED 51 MPH WIND GUST.
Jul 11, 12:43 PM EDT	TSTM WND DMG	Fort Jennings, OH	POWER POLE AND TRANSFORMER BLOWN DOWN IN FORT JENNINGS. TIME ESTIMATED FROM RADAR.
Jul 11, 12:47 PM EDT	TSTM WND DMG	Columbus Grove, OH	A FEW BRANCHES AND ONE TREE DOWN IN COLUMBUS GROVE. TIME ESTIMATED FROM RADAR.

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.

Issued	Product	Office	Lasted
Jul 11, 10:16 AM EDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 4.2 hours before the alert went out and 182 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: 95 J/kg
Mixed-layer CIN: -371 J/kg
Mixed-layer LCL: 1367 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 133 m²/s²
0-3 km storm-relative helicity: 143 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.

189 
WUUS53 KIWX 111609
SVRIWX
OHC003-125-137-161-111715-
/O.NEW.KIWX.SV.W.0150.110711T1609Z-110711T1715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1209 PM EDT MON JUL 11 2011

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ALLEN COUNTY IN WEST CENTRAL OHIO...
  SOUTHERN PAULDING COUNTY IN WEST CENTRAL OHIO...
  NORTHERN VAN WERT COUNTY IN WEST CENTRAL OHIO...
  PUTNAM COUNTY IN WEST CENTRAL OHIO...

* UNTIL 115 PM EDT

* AT 1206 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE SEVERE STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 17 MILES NORTHWEST OF CONTINENTAL TO 16 MILES WEST
  OF CONTINENTAL TO 8 MILES NORTH OF CONVOY...AND MOVING SOUTHEAST AT
  50 MPH.

* LOCATIONS IN THE PATH OF SEVERE THUNDERSTORMS INCLUDE...
  CONVOY...
  VAN WERT...
  CONTINENTAL...
  OTTOVILLE...
  DELPHOS AND KALIDA...
  LEIPSIC...OTTAWA AND GLANDORF...

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
SCOTT...ROSELMS...OAKWOOD...CAVETT...MANDALE...WETZEL...WISTERMAN...
NORTH CREEK...DUPONT...CLOVERDALE...KIEFERVILLE AND MILLER CITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
MPH. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS!

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTHERN INDIANA.

&&

LAT...LON 4085 8480 4102 8480 4099 8448 4118 8434
      4116 8433 4116 8386 4080 8387
TIME...MOT...LOC 1609Z 294DEG 43KT 4126 8445 4113 8452
          4102 8472
WIND...HAIL 60MPH <.50IN

$$

1 follow-up statement

986 
WWUS53 KIWX 111705
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
105 PM EDT MON JUL 11 2011

OHC125-161-111715-
/O.CAN.KIWX.SV.W.0150.000000T0000Z-110711T1715Z/
VAN WERT OH-PAULDING OH-
105 PM EDT MON JUL 11 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN PAULDING AND NORTHERN
VAN WERT COUNTIES IS CANCELLED...

AT 101 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE LINE OF SEVERE THUNDERSTORMS WHICH PROMPTED THE WARNING HAD  
MOVED OUT AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR 
PROPERTY. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN 
CANCELLED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTHERN INDIANA.

&&

LAT...LON 4081 8407 4101 8387 4080 8387
TIME...MOT...LOC 1705Z 294DEG 43KT 4098 8364 4086 8371
          4075 8391

$$

OHC003-137-111715-
/O.CON.KIWX.SV.W.0150.000000T0000Z-110711T1715Z/
PUTNAM OH-ALLEN OH-
105 PM EDT MON JUL 11 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM EDT
FOR NORTHEASTERN ALLEN AND SOUTHEASTERN PUTNAM COUNTIES IN WEST
CENTRAL OHIO...

AT 101 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE SEVERE STORMS WERE LOCATED ALONG A
LINE EXTENDING FROM 13 MILES NORTHEAST OF BLUFFTON TO 6 MILES EAST OF
BLUFFTON TO 10 MILES SOUTHWEST OF BLUFFTON...AND MOVING SOUTHEAST AT
50 MPH.

THIS LINE OF SEVERE THUNDERSTORMS WILL AFFECT MAINLY RURAL AREAS OF
NORTHEASTERN ALLEN AND SOUTHEASTERN PUTNAM COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS LINE OF SEVERE THUNDERSTORMS. IF YOU ARE IN THE
PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS IN EXCESS OF 60 MPH...
ALONG WITH DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD
MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM
WINDOWS.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTHERN INDIANA.

&&

LAT...LON 4081 8407 4101 8387 4080 8387
TIME...MOT...LOC 1705Z 294DEG 43KT 4098 8364 4086 8371
          4075 8391
WIND...HAIL 60MPH <.50IN

$$

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 11, 4:25 AM EDT	Heat Advisory	IWX	Allen, Van Wert	16 hr
Jul 11, 11:19 AM EDT	Severe Thunderstorm Warning	IWX	Defiance, Fulton, Henry, Williams	56 min
Jul 11, 11:39 AM EDT	Severe Thunderstorm Warning	IWX	Defiance, Paulding	51 min
Jul 11, 12:06 PM EDT	Severe Thunderstorm Warning	IWX	Defiance, Fulton, Henry	39 min
Jul 11, 12:41 PM EDT	Severe Thunderstorm Warning	IWX	Allen, Van Wert	49 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2011 Every severe thunderstorm warning in 2011

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.