Alert archive / Indiana / Special Weather Statements in 2021

Special Weather Statement, NWS Northern Indiana

October 11, 2021Elkhart County, Noble County, Indiana; Saint Joseph County, Michigan

NWS Northern Indiana issued this special weather statement at Oct 11, 2021, 11:23 PM EDT for Elkhart County, Noble County, Indiana; Saint Joseph County, Michigan. It was in force for 37 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: Oct 11, 2021, 11:23 PM EDT (03:23 UTC)
Expired: Oct 12, 2021, 12:00 AM EDT
In force: 37 min
Issued by: NWS Northern Indiana
Hail: 0.00 in
Wind: 40

Counties Elkhart County, IN, Noble County, IN, Saint Joseph County, MI

The radar

The Northern Indiana radar (KIWX), 29 km from the middle of the area, began a volume at 03:28 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

Detroit, MI (KDTX), launched 00:00Z, 3.4 hours before the alert went out and 218 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: 332 J/kg
Mixed-layer CIN: -116 J/kg
Mixed-layer LCL: 1123 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 276 m²/s²
0-3 km storm-relative helicity: 379 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

As transmitted.

618 
WWUS83 KIWX 120323
SPSIWX

Special Weather Statement
National Weather Service Northern Indiana
1123 PM EDT Mon Oct 11 2021
 
INZ005-006-008-016-MIZ078-079-120400-
Lagrange IN-Noble IN-Kosciusko IN-Elkhart IN-St. Joseph MI-Cass MI-
1123 PM EDT Mon Oct 11 2021

...Strong thunderstorms will impact portions of eastern Elkhart,
western Noble, northeastern Kosciusko, western Lagrange, eastern Cass
and St. Joseph Counties through MIDNIGHT EDT...

At 1122 PM EDT, the public reported strong thunderstorms along a line
extending from near Marcellus to near Warsaw. Movement was northeast
at 30 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Public.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Strong thunderstorms will be near...
  Marcellus around 1130 PM EDT.

Other locations in the path of these storms include Ligonier, Albion
and Topeka.

This includes Interstate 80 in Indiana between mile markers 96 and
119.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 4133 8540 4126 8585 4207 8593 4207 8547
TIME...MOT...LOC 0322Z 234DEG 27KT 4205 8589 4129 8582 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

$$

RTC

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 11, 9:30 PM EDT	Special Weather Statement	IWX	Cass	45 min
Oct 11, 9:44 PM EDT	Severe Thunderstorm Warning	IWX	Cass, Fulton	46 min
Oct 11, 9:52 PM EDT	Severe Thunderstorm Warning	IWX	Cass, Miami	38 min
Oct 11, 10:04 PM EDT	Severe Thunderstorm Warning	IWX	Marshall	41 min
Oct 11, 11:53 PM EDT	Special Weather Statement	IWX	Huntington, Whitley	37 min
Oct 12, 12:59 AM EDT	Special Weather Statement	IWX	Steuben	46 min
Oct 12, 12:00 AM EDT	Severe Thunderstorm Warning	IWX	Saint Joseph	30 min

Nearby

Special Weather Statements in Indiana, 2021 Special Weather Statements in Michigan, 2021 Every special weather statement in 2021

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.