Alert archive / Indiana / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 33, NWS Indianapolis, IN

April 1, 2011Hendricks County, Putnam County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 1, 2011, 7:33 PM EDT for Hendricks County, Putnam County, Indiana. It was in force for 33 min. 2 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: Apr 1, 2011, 7:33 PM EDT (23:33 UTC)
Expired: Apr 1, 2011, 8:06 PM EDT
In force: 33 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Hendricks County, IN, Putnam County, IN

The radar

The Indianapolis radar (KIND), 49 km from the middle of the area, began a volume at 23:33 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

Time	Report	Where	Remark
Apr 1, 7:34 PM EDT	HAIL 1	4 W Roachdale, IN
Apr 1, 7:50 PM EDT	HAIL 0.75	3 E Bainbridge, IN

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, 11.6 hours before the alert went out and 155 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1417 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 121 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

214 
WUUS53 KIND 012333
SVRIND
INC063-133-020015-
/O.NEW.KIND.SV.W.0033.110401T2333Z-110402T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
733 PM EDT FRI APR 1 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WEST CENTRAL HENDRICKS COUNTY IN CENTRAL INDIANA...
  NORTHERN PUTNAM COUNTY IN WEST CENTRAL INDIANA...

* UNTIL 815 PM EDT

* AT 724 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED 14 MILES NORTH OF GREENCASTLE...OR 14 MILES SOUTH
  OF CRAWFORDSVILLE...AND MOVING SOUTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  GROVELAND...FILLMORE AND NORTH SALEM AROUND 745 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3988 8691 3988 8671 3985 8657 3963 8675
      3975 8703 3976 8702
TIME...MOT...LOC 2333Z 294DEG 30KT 3981 8682
WIND...HAIL <50MPH 1.00IN

$$
JK

2 follow-up statements

749 
WWUS53 KIND 012348
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
748 PM EDT FRI APR 1 2011

INC063-133-020015-
/O.CON.KIND.SV.W.0033.000000T0000Z-110402T0015Z/
HENDRICKS-PUTNAM-
748 PM EDT FRI APR 1 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
PUTNAM AND WEST CENTRAL HENDRICKS COUNTIES UNTIL 815 PM EDT...

AT 734 PM EDT...ROACHDALE LAW ENFORCEMENT REPORTED A SEVERE 
THUNDERSTORM PRODUCING QUARTER SIZE HAIL.  THIS STORM WAS LOCATED 11 
MILES NORTH OF GREENCASTLE...OR 18 MILES SOUTH OF 
CRAWFORDSVILLE...MOVING SOUTHEAST AT 35 MPH.

THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF NORTHERN
PUTNAM AND WEST CENTRAL HENDRICKS COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3988 8691 3988 8671 3985 8657 3963 8675
      3975 8703 3976 8702
TIME...MOT...LOC 2346Z 294DEG 30KT 3976 8669
WIND...HAIL <50MPH 1.00IN

$$

JK

630 
WWUS53 KIND 020006
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
806 PM EDT FRI APR 1 2011

INC063-133-020015-
/O.CAN.KIND.SV.W.0033.000000T0000Z-110402T0015Z/
HENDRICKS-PUTNAM-
806 PM EDT FRI APR 1 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN PUTNAM AND WEST
CENTRAL HENDRICKS COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF 
THE WARNED AREA.

LAT...LON 3988 8691 3988 8671 3985 8657 3963 8675
      3975 8703 3976 8702
TIME...MOT...LOC 0005Z 294DEG 30KT 3969 8650

$$

JK

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 1, 7:21 PM EDT	Special Weather Statement	IND	Putnam	39 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2011 Every severe thunderstorm warning in 2011

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.