Alert archive / Indiana / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 97, NWS Indianapolis, IN

May 10, 2011Clinton County, Montgomery County, Tippecanoe County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 10, 2011, 1:10 PM EDT for Clinton County, Montgomery County, Tippecanoe County, Indiana. It was in force for 35 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: May 10, 2011, 1:10 PM EDT (17:10 UTC)
Expired: May 10, 2011, 1:45 PM EDT
In force: 35 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Clinton County, IN, Montgomery County, IN, Tippecanoe County, IN

The radar

The Indianapolis radar (KIND), 66 km from the middle of the area, began a volume at 17:13 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
May 10, 1:10 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 5.2 hours before the alert went out and 167 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: 3483 J/kg
Mixed-layer CIN: -70 J/kg
Mixed-layer LCL: 717 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 183 m²/s²
0-3 km storm-relative helicity: 243 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 10.9

Open this sounding in Storm Lab

The text

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

602 
WUUS53 KIND 101710
SVRIND
INC023-107-157-101745-
/O.NEW.KIND.SV.W.0097.110510T1710Z-110510T1745Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
110 PM EDT TUE MAY 10 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN CLINTON COUNTY IN CENTRAL INDIANA...
  NORTHEASTERN MONTGOMERY COUNTY IN WEST CENTRAL INDIANA...
  SOUTHEASTERN TIPPECANOE COUNTY IN WEST CENTRAL INDIANA...

* UNTIL 145 PM EDT

* AT 108 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED 10 MILES SOUTH OF LAFAYETTE...AND MOVING EAST AT
  25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CLARKS HILL AROUND 120 PM EDT...
  COLFAX AROUND 125 PM EDT...
  MULBERRY AROUND 130 PM EDT...
  FRANKFORT AROUND 145 PM EDT...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 152 AND 166.

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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

&&

LAT...LON 4020 8644 4019 8663 4019 8670 4018 8671
      4018 8683 4033 8687 4041 8650
TIME...MOT...LOC 1710Z 263DEG 22KT 4028 8680
WIND...HAIL <50MPH 1.00IN

$$

MRD/SMF

2 follow-up statements

596 
WWUS53 KIND 101724
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
124 PM EDT TUE MAY 10 2011

INC107-101734-
/O.CAN.KIND.SV.W.0097.000000T0000Z-110510T1745Z/
MONTGOMERY-
124 PM EDT TUE MAY 10 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MONTGOMERY COUNTY
IS CANCELLED...

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

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

LAT...LON 4041 8650 4021 8644 4020 8644 4019 8663
      4019 8670 4022 8671 4022 8672 4036 8673
TIME...MOT...LOC 1724Z 263DEG 22KT 4029 8669

$$

INC023-157-101745-
/O.CON.KIND.SV.W.0097.000000T0000Z-110510T1745Z/
CLINTON-TIPPECANOE-
124 PM EDT TUE MAY 10 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN
CLINTON AND EXTREME SOUTHEASTERN TIPPECANOE COUNTIES UNTIL 145 PM
EDT...

AT 122 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED 10 MILES WEST OF FRANKFORT...MOVING EAST AT 25 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  MULBERRY AROUND 130 PM EDT...
  FRANKFORT AROUND 145 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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

&&

LAT...LON 4041 8650 4021 8644 4020 8644 4019 8663
      4019 8670 4022 8671 4022 8672 4036 8673
TIME...MOT...LOC 1724Z 263DEG 22KT 4029 8669
WIND...HAIL <50MPH 1.00IN

$$

MRD/SMF

493 
WWUS53 KIND 101743
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
143 PM EDT TUE MAY 10 2011

INC023-157-101753-
/O.EXP.KIND.SV.W.0097.000000T0000Z-110510T1745Z/
CLINTON-TIPPECANOE-
143 PM EDT TUE MAY 10 2011

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN CLINTON AND EXTREME
SOUTHEASTERN TIPPECANOE COUNTIES WILL EXPIRE AT 145 PM EDT/1245 PM
CDT/...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

LAT...LON 4041 8650 4021 8644 4020 8644 4019 8663
      4019 8670 4022 8671 4022 8672 4036 8673
TIME...MOT...LOC 1743Z 263DEG 22KT 4030 8654

$$

MRD/SMF

The office that day

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

Issued	Product	Office	Counties	Lasted
May 10, 1:05 PM EDT	Special Weather Statement	IND	Clinton	25 min
May 10, 1:42 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Hancock, Madison	33 min
May 10, 1:58 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Madison	32 min
May 10, 2:15 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Madison	45 min
May 10, 2:29 PM EDT	Tornado Warning	IND	Delaware, Madison	36 min
May 10, 2:36 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Henry, Madison	24 min
May 10, 2:53 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Randolph	52 min
May 10, 2:56 PM EDT	Severe Thunderstorm Warning	IND	Henry, Madison	18 min
May 10, 3:05 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Madison	40 min
May 10, 3:43 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Randolph	62 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.