Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 65, NWS Northern Indiana

July 29, 20215 counties in Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jul 29, 2021, 4:59 AM EDT for 5 counties in Indiana. It was in force for 46 min. 5 reports 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 29, 2021, 4:59 AM EDT (08:59 UTC)
Expired
Jul 29, 2021, 5:45 AM EDT
In force
46 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Elkhart County, IN, Kosciusko County, IN, Marshall County, IN, Noble County, IN, Saint Joseph County, IN

The radar

The Northern Indiana radar (KIWX), 14 km from the middle of the area, began a volume at 08:58 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
Jul 29, 5:15 AM EDTTSTM WND GST 642 Nw Benton, INCORRECTS PREVIOUS TSTM WND GST REPORT FROM 2 NW BENTON. GOSHEN AIRPORT WIND GUST.
Jul 29, 5:15 AM EDTTSTM WND GST 652 Nw Benton, INGOSHEN AIRPORT WIND GUST.
Jul 29, 5:23 AM EDTTSTM WND GST 602 Nw Tippecanoe Lake, INESTIMATED WIND GUST BY OFF DUTY NWS EMPLOYEE.
Jul 29, 5:25 AM EDTTSTM WND DMG1 E Tippecanoe Lake, INNUMEROUS TREES DOWN AROUND TIPPECANOE LAKE.
Jul 29, 5:25 AM EDTTSTM WND DMGTippecanoe Lake, INDELAYED REPORT OF NUMEROUS TREES DOWN. TIME ESTIMATED FROM RADAR.

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.

IssuedProductOfficeLasted
Jul 29, 2:00 AM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 9.0 hours before the alert went out and 231 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 00:00Z on 2021-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 219 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 00:00Z on 2021-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.1939587897Sfc1 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
219 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
1416 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

173 
WUUS53 KIWX 290859
SVRIWX
INC039-085-099-113-141-290945-
/O.NEW.KIWX.SV.W.0065.210729T0859Z-210729T0945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Northern Indiana
459 AM EDT Thu Jul 29 2021

The National Weather Service in Northern Indiana has issued a

* Severe Thunderstorm Warning for...
  Southern Elkhart County in north central Indiana...
  Western Noble County in northeastern Indiana...
  Southeastern St. Joseph County in north central Indiana...
  Northern Kosciusko County in north central Indiana...
  Northeastern Marshall County in north central Indiana...

* Until 545 AM EDT.

* At 458 AM EDT, a severe thunderstorm was located near Bremen,
  moving east at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Goshen, Nappanee, Bremen, Ligonier, Syracuse, Wakarusa, Milford,
  North Webster, Millersburg, New Paris, Benton, Locke, Cromwell,
  Foraker, Lake Wawasee, Gravelton, Waterford Mills, Wilmot, James
  Lake and Hastings.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4155 8566 4152 8566 4152 8565 4153 8554
      4153 8543 4152 8541 4130 8557 4131 8569
      4142 8621 4161 8610
TIME...MOT...LOC 0858Z 283DEG 37KT 4148 8607 

HAIL...<.75IN
WIND...60MPH
 
$$

PBM
2 follow-up statements
108 
WWUS53 KIWX 290911
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
511 AM EDT Thu Jul 29 2021

INC099-141-290921-
/O.CAN.KIWX.SV.W.0065.000000T0000Z-210729T0945Z/
St. Joseph IN-Marshall IN-
511 AM EDT Thu Jul 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ST. JOSEPH AND
NORTHEASTERN MARSHALL COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 900 AM EDT for
north central and northeastern Indiana.

LAT...LON 4155 8566 4152 8566 4152 8565 4153 8554
      4153 8543 4152 8541 4130 8557 4131 8569
      4138 8601 4157 8581
TIME...MOT...LOC 0911Z 282DEG 38KT 4143 8586 

$$

INC039-085-113-290945-
/O.CON.KIWX.SV.W.0065.000000T0000Z-210729T0945Z/
Elkhart IN-Noble IN-Kosciusko IN-
511 AM EDT Thu Jul 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 AM EDT
FOR SOUTHEASTERN ELKHART...WESTERN NOBLE AND NORTHEASTERN KOSCIUSKO
COUNTIES...

At 511 AM EDT, a severe thunderstorm was located over Milford, or
near Syracuse, moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Goshen, Nappanee, Ligonier, Syracuse, Milford, North Webster,
Millersburg, New Paris, Benton, Cromwell, Wilmot, James Lake,
Hastings, Knapp Lake, Kimmel, Lake Wawasee, Gravelton, Dewart Lake,
Oakwood Park and Waterford Mills.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4155 8566 4152 8566 4152 8565 4153 8554
      4153 8543 4152 8541 4130 8557 4131 8569
      4138 8601 4157 8581
TIME...MOT...LOC 0911Z 282DEG 38KT 4143 8586 

HAIL...<.75IN
WIND...60MPH
 
$$

PBM
757 
WWUS53 KIWX 290946
SVSIWX

Severe Weather Statement
National Weather Service Northern Indiana
546 AM EDT Thu Jul 29 2021

INC039-085-113-290956-
/O.EXP.KIWX.SV.W.0065.000000T0000Z-210729T0945Z/
Elkhart IN-Noble IN-Kosciusko IN-
546 AM EDT Thu Jul 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ELKHART...WESTERN
NOBLE AND NORTHEASTERN KOSCIUSKO COUNTIES HAS EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.

A Severe Thunderstorm Watch remains in effect until 900 AM EDT for
north central and northeastern Indiana.

LAT...LON 4155 8566 4152 8566 4152 8565 4153 8554
      4153 8543 4152 8541 4130 8557 4131 8569
      4138 8601 4157 8581
TIME...MOT...LOC 0946Z 283DEG 37KT 4135 8543 

$$

PBM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 3:10 AM EDTSpecial Marine WarningIWX2 hr
Jul 29, 4:17 AM EDTSpecial Weather StatementIWXElkhart28 min
Jul 29, 4:23 AM EDTSevere Thunderstorm WarningIWXElkhart, Kosciusko, LaPorte, Marshall, Saint Joseph52 min
Jul 29, 5:16 AM EDTSpecial Weather StatementIWXFulton, Pulaski, Starke44 min
Jul 29, 5:21 AM EDTSpecial Weather StatementIWXLaGrange, Steuben39 min
Jul 29, 5:25 AM EDTSevere Thunderstorm WarningIWXAllen, DeKalb, Kosciusko, Noble, Whitley50 min
Jul 29, 5:33 AM EDTSpecial Weather StatementIWXAllen, Cass, Miami, Wabash, Whitley42 min
Jul 29, 5:54 AM EDTSpecial Weather StatementIWXSteuben36 min
Jul 29, 6:07 AM EDTSevere Thunderstorm WarningIWXAllen, DeKalb38 min
Jul 29, 6:17 AM EDTSpecial Weather StatementIWXAdams, Blackford, Grant, Jay, Wells43 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2021Every severe thunderstorm warning 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.