Alert archive / Indiana / Special Weather Statements in 2021

Special Weather Statement, NWS Northern Indiana

August 7, 2021Kosciusko County, Indiana

NWS Northern Indiana issued this special weather statement at Aug 7, 2021, 1:21 AM EDT for Kosciusko County, Indiana. It was in force for 24 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: Aug 7, 2021, 1:21 AM EDT (05:21 UTC)
Expired: Aug 7, 2021, 1:45 AM EDT
In force: 24 min
Issued by: NWS Northern Indiana
Hail: 0.00 in
Wind: 40

County Kosciusko County, IN

The radar

The Northern Indiana radar (KIWX), 28 km from the middle of the area, began a volume at 05:23 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

Lincoln, IL (KILX), launched 00:00Z, 5.4 hours before the alert went out and 256 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: 1366 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 1195 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 91 m²/s²
0-3 km storm-relative helicity: 152 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

446 
WWUS83 KIWX 070521
SPSIWX

Special Weather Statement
National Weather Service Northern Indiana
121 AM EDT Sat Aug 7 2021
 
INZ014-016-070545-
Kosciusko IN-Marshall IN-
121 AM EDT Sat Aug 7 2021

...A strong thunderstorm will impact portions of northwestern
Kosciusko and northeastern Marshall Counties through 145 AM EDT...

At 120 AM EDT, Doppler radar was tracking a strong thunderstorm near
Bourbon, or near Nappanee, moving east at 35 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

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

This strong thunderstorm will be near...
  Nappanee around 130 AM EDT.
  Milford around 135 AM EDT.

Other locations in the path of this storm include Warsaw and Winona
Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 4146 8617 4145 8606 4144 8606 4144 8577
      4118 8578 4127 8619
TIME...MOT...LOC 0520Z 285DEG 32KT 4137 8607 

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

$$

Brown

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 6, 8:00 PM EDT	Severe Thunderstorm Warning	IWX	Elkhart, Kosciusko	30 min
Aug 6, 8:30 PM EDT	Severe Thunderstorm Warning	IWX	Elkhart, Kosciusko, LaGrange, Noble	45 min
Aug 6, 9:31 PM EDT	Special Weather Statement	IWX	DeKalb	44 min
Aug 6, 11:09 PM EDT	Special Weather Statement	IWX	LaPorte	36 min
Aug 7, 12:23 AM EDT	Areal Flood Advisory	IWX	Elkhart, Saint Joseph	3 hr
Aug 7, 12:57 AM EDT	Special Weather Statement	IWX	Marshall	33 min
Aug 7, 2:18 AM EDT	Special Weather Statement	IWX	Noble	27 min
Aug 7, 3:13 AM EDT	Special Weather Statement	IWX	Huntington, Wabash	32 min
Aug 7, 3:44 AM EDT	Special Weather Statement	IWX	Pulaski	31 min
Aug 7, 5:25 AM EDT	Special Weather Statement	IWX	Fulton	35 min
Aug 7, 5:28 AM EDT	Special Weather Statement	IWX	Kosciusko	32 min
Aug 7, 11:58 AM EDT	Special Weather Statement	IWX	Allen	32 min
Aug 7, 12:08 PM EDT	Severe Thunderstorm Warning	IWX	Allen	37 min
Aug 7, 5:01 PM EDT	Special Weather Statement	IWX	Huntington	29 min
Aug 7, 1:43 PM EDT	Special Weather Statement	IWX	Allen	47 min
Aug 6, 8:07 PM EDT	Special Weather Statement	IWX	Branch	53 min
Aug 6, 8:33 PM EDT	Severe Thunderstorm Warning	IWX	Branch, Hillsdale	39 min
Aug 7, 12:54 AM EDT	Areal Flood Advisory	IWX	Saint Joseph	3 hr

Nearby

Special Weather Statements in Indiana, 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.