Alert archive / Indiana / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 9, NWS Indianapolis, IN

February 24, 2017Decatur County, Jennings County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Feb 24, 2017, 5:56 PM EST for Decatur County, Jennings County, Indiana. It was in force for 19 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: Feb 24, 2017, 5:56 PM EST (22:56 UTC)
Expired: Feb 24, 2017, 6:15 PM EST
In force: 19 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Decatur County, IN, Jennings County, IN

The radar

The Indianapolis radar (KIND), 99 km from the middle of the area, began a volume at 22:57 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Feb 24, 3:44 PM EST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.9 hours before the alert went out and 147 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: 20 J/kg
Mixed-layer CIN: -373 J/kg
Mixed-layer LCL: 1048 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 291 m²/s²
0-3 km storm-relative helicity: 254 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

380 
WUUS53 KIND 242256
SVRIND
INC031-079-242315-
/O.NEW.KIND.SV.W.0009.170224T2256Z-170224T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Indianapolis IN
556 PM EST FRI FEB 24 2017

The National Weather Service in Indianapolis has issued a

* Severe Thunderstorm Warning for...
  Southeastern Decatur County in central Indiana...
  Eastern Jennings County in southeastern Indiana...

* Until 615 PM EST.

* At 556 PM EST, a severe thunderstorm was located near Vernon, or 21
  miles east of Seymour, moving northeast at 50 mph.

  HAZARD...60 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Locations impacted include...
  Millhousen, Butlerville and Nebraska. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Indianapolis.

&&

LAT...LON 3926 8530 3920 8544 3891 8545 3891 8554
      3888 8554 3890 8562 3906 8559 3925 8545
      3929 8530
TIME...MOT...LOC 2256Z 225DEG 43KT 3899 8550 

HAIL...1.00IN
WIND...60MPH
 
$$

MRD/MR

1 follow-up statement

125 
WWUS53 KIND 242312
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
612 PM EST FRI FEB 24 2017

INC031-079-242322-
/O.EXP.KIND.SV.W.0009.000000T0000Z-170224T2315Z/
Decatur IN-Jennings IN-
612 PM EST FRI FEB 24 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DECATUR AND
EASTERN JENNINGS COUNTIES WILL EXPIRE AT 615 PM EST...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

A severe thunderstorm watch remains in effect until 1000 PM EST for
central and southeastern Indiana.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Indianapolis.

LAT...LON 3926 8530 3920 8544 3891 8545 3891 8554
      3888 8554 3890 8562 3906 8559 3925 8545
      3929 8530
TIME...MOT...LOC 2312Z 225DEG 43KT 3911 8535 

$$

MRD/MR

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 24, 2:08 PM EST	Special Weather Statement	IND	Hendricks	22 min
Feb 24, 3:05 PM EST	Special Weather Statement	IND	Madison	25 min
Feb 24, 3:15 PM EST	Special Weather Statement	IND	Delaware	15 min
Feb 24, 4:51 PM EST	Special Weather Statement	IND	Decatur	24 min
Feb 24, 4:55 PM EST	Special Weather Statement	IND	Randolph	35 min
Feb 24, 5:14 PM EST	Special Weather Statement	IND	Decatur, Jennings	46 min
Feb 24, 5:20 PM EST	Severe Thunderstorm Warning	IND	Decatur, Rush	25 min
Feb 24, 5:27 PM EST	Severe Thunderstorm Warning	IND	Decatur, Jackson, Jennings	33 min
Feb 24, 5:42 PM EST	Severe Thunderstorm Warning	IND	Decatur	33 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2017 Every severe thunderstorm warning in 2017

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.