Alert archive / Indiana / Special Weather Statements in 2021

Special Weather Statement, NWS Northern Indiana

August 6, 2021Kosciusko County, Indiana

NWS Northern Indiana issued this special weather statement at Aug 6, 2021, 7:50 PM EDT for Kosciusko County, Indiana. It was in force for 40 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
Aug 6, 2021, 7:50 PM EDT (23:50 UTC)
Expired
Aug 6, 2021, 8:30 PM EDT
In force
40 min
Issued by
NWS Northern Indiana
Hail
0.00 in
Wind
40

County Kosciusko County, IN

The radar

The Northern Indiana radar (KIWX), 12 km from the middle of the area, began a volume at 23:51 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

TimeReportWhereRemark
Aug 6, 8:20 PM EDTTSTM WND DMG1 Ssw Leesburg, INTREE DOWN ONTO POWER LINE. 600 N AT SR 15.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 11.8 hours before the alert went out and 244 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-pSkew-T log-p diagram, Detroit, MI at 12:00Z on 2021-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 28 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 2021-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
28 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
1342 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

162 
WWUS83 KIWX 062350
SPSIWX

Special Weather Statement
National Weather Service Northern Indiana
750 PM EDT Fri Aug 6 2021
 
INZ005-016-070030-
Kosciusko IN-Elkhart IN-
750 PM EDT Fri Aug 6 2021

...A strong thunderstorm will impact portions of southern Elkhart and
northern Kosciusko Counties through 830 PM EDT...

At 750 PM EDT, Doppler radar was tracking a strong thunderstorm near
Nappanee, moving east at 30 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...
  Milford around 810 PM EDT.

Other locations in the path of this storm include Syracuse and North
Webster.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 4153 8566 4130 8565 4129 8606 4148 8606
TIME...MOT...LOC 2350Z 266DEG 27KT 4139 8603 

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

$$

NWS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 6:34 PM EDTSpecial Weather StatementIWXStarke41 min
Aug 6, 6:47 PM EDTSevere Thunderstorm WarningIWXLaPorte, Starke28 min
Aug 6, 7:05 PM EDTSpecial Weather StatementIWXMarshall55 min
Aug 6, 7:17 PM EDTSpecial Weather StatementIWXElkhart43 min
Aug 6, 7:29 PM EDTAreal Flood AdvisoryIWXElkhart, Saint Joseph3 hr
Aug 6, 7:56 PM EDTSpecial Weather StatementIWXSteuben34 min
Aug 6, 4:11 PM EDTSpecial Weather StatementIWXSaint Joseph34 min
Aug 6, 4:45 PM EDTSpecial Weather StatementIWXSaint Joseph30 min
Aug 6, 5:43 PM EDTSpecial Weather StatementIWXSaint Joseph32 min
Aug 6, 6:35 PM EDTSpecial Weather StatementIWXCass40 min
Aug 6, 7:10 PM EDTSpecial Weather StatementIWXSaint Joseph50 min

Nearby

Special Weather Statements in Indiana, 2021Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.