Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 34, NWS Northern Indiana

May 11, 2011Allen County, Putnam County, Van Wert County, Ohio

NWS Northern Indiana issued this severe thunderstorm warning at May 11, 2011, 12:13 AM EDT for Allen County, Putnam County, Van Wert County, Ohio. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 11, 2011, 12:13 AM EDT (04:13 UTC)
Expired: May 11, 2011, 1:15 AM EDT
In force: 62 min
Issued by: NWS Northern Indiana
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

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

The radar

The Cincinnati radar (KILN), 146 km from the middle of the area, began a volume at 04:16 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.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 4.2 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-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: 1068 J/kg
Mixed-layer CIN: -186 J/kg
Mixed-layer LCL: 2337 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 82 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

549 
WUUS53 KIWX 110413
SVRIWX
OHC003-137-161-110515-
/O.NEW.KIWX.SV.W.0034.110511T0413Z-110511T0515Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1213 AM EDT WED MAY 11 2011

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ALLEN COUNTY IN WEST CENTRAL OHIO...
  EAST CENTRAL VAN WERT COUNTY IN WEST CENTRAL OHIO...
  SOUTHWESTERN PUTNAM COUNTY IN WEST CENTRAL OHIO...

* UNTIL 115 AM EDT

* AT 1211 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  SEVERE STORM WAS LOCATED 6 MILES SOUTHWEST OF KALIDA...OR 7 MILES
  NORTHEAST OF DELPHOS...AND MOVING SOUTHEAST AT 20 MPH.

* LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
  DELPHOS...
  ELIDA...
  LIMA...
  FORT SHAWNEE...

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
RUSHMORE...RIMER...VAUGHNSVILLE...GOMER...NEEDMORE...CAIRO...
CONANT...KEMP...SLABTOWN...HUME...LAFAYETTE AND YODER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO QUARTER SIZE HAIL AND...CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS SEVERE THUNDERSTORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

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 4063 8388 4064 8410 4065 8411 4065 8421
      4066 8422 4068 8422 4069 8427 4095 8439
      4105 8422 4076 8387 4064 8387
TIME...MOT...LOC 0413Z 330DEG 18KT 4091 8426
WIND...HAIL <50MPH 1.00IN

$$


JC

3 follow-up statements

658 
WWUS53 KIWX 110435
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1235 AM EDT WED MAY 11 2011

OHC003-137-161-110515-
/O.CON.KIWX.SV.W.0034.000000T0000Z-110511T0515Z/
PUTNAM OH-VAN WERT OH-ALLEN OH-
1235 AM EDT WED MAY 11 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM EDT
FOR ALLEN...EXTREME EAST CENTRAL VAN WERT AND SOUTHWESTERN PUTNAM
COUNTIES IN WEST CENTRAL OHIO...

AT 1232 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL. THIS SEVERE STORM WAS LOCATED 4 MILES EAST OF DELPHOS...AND
MOVING SOUTHEAST AT 25 MPH.

LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
  ELIDA...
  LIMA...
  FORT SHAWNEE...

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE GOMER...
NEEDMORE...KEMP...SLABTOWN...HUME...YODER...ROUSCULP AND WESTMINSTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. 
LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU 
CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 4063 8388 4064 8410 4065 8411 4065 8421
      4066 8422 4068 8422 4069 8427 4095 8439
      4099 8415 4076 8387 4064 8387
TIME...MOT...LOC 0435Z 326DEG 21KT 4085 8425
WIND...HAIL <50MPH 1.00IN

$$


JC

037 
WWUS53 KIWX 110502
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
102 AM EDT WED MAY 11 2011

OHC137-110510-
/O.CAN.KIWX.SV.W.0034.000000T0000Z-110511T0515Z/
PUTNAM OH-
102 AM EDT WED MAY 11 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN PUTNAM COUNTY IS
CANCELLED...

AT 1258 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THE SEVERE THUNDERSTORM 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.

LAT...LON 4063 8388 4063 8396 4064 8410 4065 8411
      4065 8421 4068 8422 4069 8427 4083 8434
      4085 8433 4086 8399 4076 8387 4064 8387
TIME...MOT...LOC 0500Z 318DEG 25KT 4073 8392

$$

OHC003-110515-
/O.CON.KIWX.SV.W.0034.000000T0000Z-110511T0515Z/
ALLEN OH-
102 AM EDT WED MAY 11 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM EDT
FOR ALLEN COUNTY IN WEST CENTRAL OHIO...

AT 1258 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL. THIS SEVERE STORM WAS LOCATED 9 MILES EAST OF LIMA...OR ABOUT 6
MILES WEST OF ADA...AND MOVING SOUTHEAST AT 30 MPH.

ANOTHER SEVERE THUNDERSTORM IS LOCATED NEAR NEEDMORE AND IS MOVING 
SOUTH AT 25 MPH. THIS STORM WILL AFFECT THE COMMUNITIES OF CONANT 
AND KEMP AND IS ALSO CAPABLE OF PRODUCING QUARTER SIZE HAIL.

OTHER LOCATIONS IMPACTED INCLUDE...
  HARROD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO QUARTER SIZE HAIL AND...CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY!
LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 4063 8388 4063 8396 4064 8410 4065 8411
      4065 8421 4068 8422 4069 8427 4083 8434
      4085 8433 4086 8399 4076 8387 4064 8387
TIME...MOT...LOC 0500Z 318DEG 25KT 4073 8392
WIND...HAIL <50MPH 1.00IN

$$


JC

472 
WWUS53 KIWX 110514
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
114 AM EDT WED MAY 11 2011

OHC003-110524-
/O.EXP.KIWX.SV.W.0034.000000T0000Z-110511T0515Z/
ALLEN OH-
114 AM EDT WED MAY 11 2011

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL AND EASTERN ALLEN 
COUNTY IN WEST CENTRAL OHIO WILL EXPIRE AT 115 AM EDT...

AT 111 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAD MOVED OUT OF
THE AREA. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN
ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN ALLEN 
COUNTY.

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 4063 8388 4063 8396 4064 8410 4065 8411
      4065 8421 4068 8422 4069 8427 4083 8434
      4085 8433 4086 8399 4076 8387 4064 8387
TIME...MOT...LOC 0514Z 318DEG 25KT 4066 8383

$$


JC

The office that day

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

Issued	Product	Office	Counties	Lasted
May 11, 12:46 AM EDT	Special Weather Statement	IWX	Defiance, Paulding	29 min
May 11, 12:56 AM EDT	Severe Thunderstorm Warning	IWX	Allen, Van Wert	23 min
May 11, 3:24 AM EDT	Special Weather Statement	IWX	Putnam	36 min
May 11, 3:41 AM EDT	Special Weather Statement	IWX	Allen	34 min
May 11, 4:34 AM EDT	Flash Flood Warning	IWX	Allen, Putnam	5 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.