Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 84, NWS Louisville, KY

July 10, 2021Crawford County, Orange County, Washington County, Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Jul 10, 2021, 7:08 PM EDT for Crawford County, Orange County, Washington County, Indiana. 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
Jul 10, 2021, 7:08 PM EDT (23:08 UTC)
Expired
Jul 10, 2021, 7:45 PM EDT
In force
37 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Crawford County, IN, Orange County, IN, Washington County, IN

The radar

The Louisville radar (KLVX), 64 km from the middle of the area, began a volume at 23:12 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.1 hours before the alert went out and 239 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, Cncnati-Daytn, OH at 12:00Z on 2021-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Cncnati-Daytn, OH at 12:00Z on 2021-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
866 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

034 
WUUS53 KLMK 102308
SVRLMK
INC025-117-175-102345-
/O.NEW.KLMK.SV.W.0084.210710T2308Z-210710T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
708 PM EDT Sat Jul 10 2021

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  North central Crawford County in south central Indiana...
  Southeastern Orange County in south central Indiana...
  Southwestern Washington County in south central Indiana...

* Until 745 PM EDT.

* At 708 PM EDT, a severe thunderstorm was located near English,
  moving northeast at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* This severe thunderstorm will remain over mainly rural areas of
  north central Crawford, southeastern Orange and southwestern
  Washington Counties, including the following locations...
  Hardinsburg, Bromer, Trotter Crossing, Marengo, Becks Mill,
  Valeene, Livonia, Rego, Rosebud and Mahan Crossing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3854 8613 3833 8638 3837 8645 3863 8633
TIME...MOT...LOC 2308Z 209DEG 26KT 3840 8637 

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

RAS
1 follow-up statement
278 
WWUS53 KLMK 102336 RRA
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
736 PM EDT Sat Jul 10 2021

INC025-117-175-102346-
/O.EXP.KLMK.SV.W.0084.000000T0000Z-210710T2345Z/
Crawford IN-Orange IN-Washington IN-
736 PM EDT Sat Jul 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL CRAWFORD...
SOUTHEASTERN ORANGE AND SOUTHWESTERN WASHINGTON COUNTIES WILL EXPIRE
AT 745 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.

LAT...LON 3854 8613 3833 8638 3837 8645 3863 8633
TIME...MOT...LOC 2336Z 209DEG 26KT 3857 8625 

$$

RAS

The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 10, 3:48 AM EDTFlash Flood WatchLMKClark, Crawford, Dubois, Floyd, Harrison, Orange and 3 more26 hr
Jul 10, 6:47 AM EDTSpecial Weather StatementLMKPerry28 min
Jul 10, 6:59 AM EDTSpecial Weather StatementLMKDubois46 min
Jul 10, 6:06 PM EDTSpecial Weather StatementLMKDubois, Perry39 min
Jul 10, 6:39 PM EDTSpecial Weather StatementLMKFloyd, Harrison36 min
Jul 10, 6:42 PM EDTSpecial Weather StatementLMKCrawford, Dubois, Orange33 min
Jul 10, 6:56 PM EDTSevere Thunderstorm WarningLMKFloyd34 min
Jul 10, 7:14 PM EDTSpecial Weather StatementLMKClark46 min
Jul 10, 7:25 PM EDTSevere Thunderstorm WarningLMKClark20 min
Jul 10, 7:35 PM EDTSpecial Weather StatementLMKOrange25 min
Jul 10, 7:51 PM EDTSpecial Weather StatementLMKJefferson, Scott, Washington24 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.