Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 49, NWS Indianapolis, IN

July 15, 2021Morgan County, Owen County, Putnam County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 15, 2021, 5:25 PM EDT for Morgan County, Owen County, Putnam County, Indiana. It was in force for 35 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 15, 2021, 5:25 PM EDT (21:25 UTC)
Expired
Jul 15, 2021, 6:00 PM EDT
In force
35 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Morgan County, IN, Owen County, IN, Putnam County, IN

The radar

The Indianapolis radar (KIND), 28 km from the middle of the area, began a volume at 21:24 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 15, 5:41 PM EDTTSTM WND GST 60Quincy, INTREES DOWN IN THE TOWN OF QUINCY.

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

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.4 hours before the alert went out and 189 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, Lincoln, IL at 12:00Z on 2021-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 628 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, Lincoln, IL at 12:00Z on 2021-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 217 square meters per square second.193958Sfc1 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
628 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
1096 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
217 m²/s²
0-3 km storm-relative helicity
188 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.6

Open this sounding in Storm Lab

The text

As transmitted.

428 
WUUS53 KIND 152125
SVRIND
INC109-119-133-152200-
/O.NEW.KIND.SV.W.0049.210715T2125Z-210715T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Indianapolis IN
525 PM EDT Thu Jul 15 2021

The National Weather Service in Indianapolis has issued a

* Severe Thunderstorm Warning for...
  Morgan County in central Indiana...
  Northeastern Owen County in west central Indiana...
  Southeastern Putnam County in west central Indiana...

* Until 600 PM EDT.

* At 524 PM EDT, a severe thunderstorm was located 12 miles south of
  Greencastle, or 24 miles northwest of Bloomington, moving east at
  40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* This severe thunderstorm will be near...
  Eminence and Little Point around 535 PM EDT.

Other locations in the path of this severe thunderstorm include
Martinsville, Monrovia, Lake Hart, Brooklyn, Bethany, Centerton and
Waverly.

This includes Interstate 70 between mile markers 42 and 50.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3953 8682 3960 8649 3960 8647 3961 8647
      3963 8635 3963 8627 3937 8626 3943 8683
TIME...MOT...LOC 2124Z 263DEG 35KT 3948 8676 

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

MK
2 follow-up statements
075 
WWUS53 KIND 152146
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
546 PM EDT Thu Jul 15 2021

INC119-133-152155-
/O.CAN.KIND.SV.W.0049.000000T0000Z-210715T2200Z/
Owen IN-Putnam IN-
546 PM EDT Thu Jul 15 2021

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

LAT...LON 3958 8652 3960 8649 3960 8647 3961 8647
      3963 8635 3963 8627 3937 8626 3942 8652
      3950 8648
TIME...MOT...LOC 2145Z 262DEG 41KT 3951 8644 

$$

INC109-152200-
/O.CON.KIND.SV.W.0049.000000T0000Z-210715T2200Z/
Morgan IN-
546 PM EDT Thu Jul 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR EASTERN MORGAN COUNTY...

At 545 PM EDT, a severe thunderstorm was located near Martinsville,
or 24 miles southwest of Indianapolis, moving east at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
  Mooresville, Brooklyn and Waverly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3958 8652 3960 8649 3960 8647 3961 8647
      3963 8635 3963 8627 3937 8626 3942 8652
      3950 8648
TIME...MOT...LOC 2145Z 262DEG 41KT 3951 8644 

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

MK
074 
WWUS53 KIND 152200
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
600 PM EDT Thu Jul 15 2021

INC109-152209-
/O.EXP.KIND.SV.W.0049.000000T0000Z-210715T2200Z/
Morgan IN-
600 PM EDT Thu Jul 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MORGAN COUNTY WILL
EXPIRE AT 600 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

LAT...LON 3958 8652 3960 8649 3960 8647 3961 8647
      3963 8635 3963 8627 3937 8626 3942 8652
      3950 8648
TIME...MOT...LOC 2159Z 263DEG 35KT 3952 8628 

$$

MK

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 15, 3:58 PM EDTSpecial Weather StatementINDVigo32 min
Jul 15, 4:59 PM EDTSpecial Weather StatementINDTippecanoe31 min
Jul 15, 5:10 PM EDTSpecial Weather StatementINDCarroll35 min
Jul 15, 5:10 PM EDTSpecial Weather StatementINDOwen35 min
Jul 15, 5:36 PM EDTSpecial Weather StatementINDHoward24 min
Jul 15, 5:40 PM EDTSevere Thunderstorm WarningINDHendricks, Marion, Morgan35 min
Jul 15, 6:18 PM EDTSevere Thunderstorm WarningINDJohnson, Marion27 min
Jul 15, 6:48 PM EDTSpecial Weather StatementINDHancock, Rush, Shelby42 min
Jul 15, 7:30 PM EDTSpecial Weather StatementINDWarren30 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.