Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 91, NWS Northern Indiana

July 27, 2012Elkhart County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jul 27, 2012, 3:12 PM EDT for Elkhart County, Indiana. It was in force for 48 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: Jul 27, 2012, 3:12 PM EDT (19:12 UTC)
Expired: Jul 27, 2012, 4:00 PM EDT
In force: 48 min
Issued by: NWS Northern Indiana
Area: Storm-based polygon
Hail: 0.5 in
Wind: 60.0 mph

County Elkhart County, IN

The radar

The Northern Indiana radar (KIWX), 18 km from the middle of the area, began a volume at 19:13 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 27, 3:50 PM EDT	TSTM WND GST 60	1 Sw Millersburg, IN	ESTIMATED WIND GUST OF 55-60 MPH

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 27, 2:43 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 7.2 hours before the alert went out and 237 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: 542 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 553 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 93 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

519 
WUUS53 KIWX 271912
SVRIWX
INC039-272000-
/O.NEW.KIWX.SV.W.0091.120727T1912Z-120727T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
312 PM EDT FRI JUL 27 2012

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN ELKHART COUNTY IN NORTH CENTRAL INDIANA...

* UNTIL 400 PM EDT

* AT 309 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS SEVERE STORM WAS LOCATED NEAR WAKARUSA...OR 5
  MILES NORTH OF NAPPANEE...AND MOVING EAST AT 30 MPH.

* LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
  NEW PARIS AND GOSHEN...
  MILLERSBURG...

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
WATERFORD MILLS AND BENTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO AND DAMAGING WINDS IN EXCESS OF 60 MPH...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...POST YOUR INFORMATION ON THE NATIONAL
WEATHER SERVICE NORTHERN INDIANA FACEBOOK PAGE...OR YOU CAN POST ON
TWITTER WITH THE HASH TAG... @ N W S I W X. REPORTS CAN ALSO BE MADE
TO THE NATIONAL PUBLIC OBSERVATION REPORTING HOTLINE TOLL FREE AT
877-633-6772.

&&

LAT...LON 4146 8566 4145 8567 4147 8605 4156 8605
      4163 8567
TIME...MOT...LOC 1912Z 262DEG 24KT 4152 8594
WIND...HAIL 60MPH <.50IN

$$

2 follow-up statements

131 
WWUS53 KIWX 271931
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
331 PM EDT FRI JUL 27 2012

INC039-272000-
/O.CON.KIWX.SV.W.0091.000000T0000Z-120727T2000Z/
ELKHART IN-
331 PM EDT FRI JUL 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR SOUTHEASTERN ELKHART COUNTY...

AT 327 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS SEVERE STORM WAS LOCATED NEAR NEW PARIS...OR
ABOUT 6 MILES SOUTH OF GOSHEN...AND MOVING EAST AT 30 MPH.

LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
  MILLERSBURG...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO AND DAMAGING WINDS IN EXCESS OF 60 MPH...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.

TO REPORT SEVERE WEATHER...POST YOUR INFORMATION ON THE NATIONAL
WEATHER SERVICE NORTHERN INDIANA FACEBOOK PAGE...OR YOU CAN POST ON
TWITTER WITH THE HASH TAG... @ N W S I W X. REPORTS CAN ALSO BE MADE
TO THE NATIONAL PUBLIC OBSERVATION REPORTING HOTLINE TOLL FREE AT
877-633-6772.

&&

LAT...LON 4159 8567 4148 8566 4146 8566 4145 8567
      4146 8588 4158 8583
TIME...MOT...LOC 1931Z 266DEG 26KT 4150 8576
WIND...HAIL 60MPH <.50IN

$$

727 
WWUS53 KIWX 271953
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
353 PM EDT FRI JUL 27 2012

INC039-272003-
/O.EXP.KIWX.SV.W.0091.000000T0000Z-120727T2000Z/
ELKHART IN-
353 PM EDT FRI JUL 27 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ELKHART COUNTY
WILL EXPIRE AT 400 PM EDT...

AT 353 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAD WEAKENED AND 
WAS MOVING OUT OF THE AREA. THEREFORE...THE SEVERE THUNDERSTORM 
WARNING WILL BE ALLOWED TO EXPIRE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...POST YOUR INFORMATION ON THE NATIONAL
WEATHER SERVICE NORTHERN INDIANA FACEBOOK PAGE...OR YOU CAN POST ON
TWITTER WITH THE HASH TAG... @ N W S I W X. REPORTS CAN ALSO BE MADE
TO THE NATIONAL PUBLIC OBSERVATION REPORTING HOTLINE TOLL FREE AT
877-633-6772.

&&

LAT...LON 4159 8567 4148 8566 4146 8566 4145 8567
      4146 8588 4158 8583
TIME...MOT...LOC 1953Z 266DEG 26KT 4151 8555

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 26, 8:28 PM EDT	Special Weather Statement	IWX	Saint Joseph	47 min
Jul 26, 9:02 PM EDT	Special Weather Statement	IWX	Saint Joseph	43 min
Jul 26, 9:38 PM EDT	Special Weather Statement	IWX	Elkhart	37 min
Jul 27, 4:25 AM EDT	Rip Current Statement	IWX		42 hr
Jul 27, 2:24 PM EDT	Special Weather Statement	IWX	Miami	36 min
Jul 27, 2:53 PM EDT	Special Weather Statement	IWX	Elkhart	37 min
Jul 27, 2:58 PM EDT	Special Weather Statement	IWX	Huntington, Miami, Wabash	32 min
Jul 27, 3:05 PM EDT	Special Weather Statement	IWX	LaGrange	25 min
Jul 27, 3:26 PM EDT	Special Weather Statement	IWX	Noble, Whitley	34 min
Jul 27, 4:01 PM EDT	Special Weather Statement	IWX	Whitley	29 min
Jul 27, 4:04 PM EDT	Special Weather Statement	IWX	Jay	26 min
Jul 27, 6:21 PM EDT	Special Weather Statement	IWX	Wells	24 min
Jul 27, 6:22 PM EDT	Special Weather Statement	IWX	Adams	38 min

Nearby

Severe Thunderstorm Warnings in Indiana, 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.