Alert archive / Indiana / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 270, NWS Indianapolis, IN

August 3, 2011Carroll County, Howard County, Tipton County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 3, 2011, 1:52 AM EDT for Carroll County, Howard County, Tipton County, Indiana. It was in force for 53 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: Aug 3, 2011, 1:52 AM EDT (05:52 UTC)
Expired: Aug 3, 2011, 2:45 AM EDT
In force: 53 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Carroll County, IN, Howard County, IN, Tipton County, IN

The radar

The Indianapolis radar (KIND), 87 km from the middle of the area, began a volume at 05:54 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
Aug 3, 1:48 AM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 5.9 hours before the alert went out and 200 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: 3189 J/kg
Mixed-layer CIN: -176 J/kg
Mixed-layer LCL: 1419 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 239 m²/s²
0-3 km storm-relative helicity: 306 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 6.2

Open this sounding in Storm Lab

The text

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

065 
WUUS53 KIND 030552
SVRIND
INC015-067-159-030645-
/O.NEW.KIND.SV.W.0270.110803T0552Z-110803T0645Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
152 AM EDT WED AUG 3 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN CARROLL COUNTY IN NORTH CENTRAL INDIANA...
  HOWARD COUNTY IN CENTRAL INDIANA...
  TIPTON COUNTY IN CENTRAL INDIANA...

* UNTIL 245 AM EDT

* AT 150 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 13 MILES SOUTHEAST OF DELPHI...
  OR 14 MILES NORTH OF FRANKFORT...AND MOVING SOUTHEAST AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  RUSSIAVILLE AND KOKOMO AROUND 205 AM EDT...
  KEMPTON AND INDIAN HEIGHTS AROUND 210 AM EDT...
  SHARPSVILLE AND GREENTOWN AROUND 215 AM EDT...
  TIPTON AND WINDFALL AROUND 220 AM 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 4069 8638 4057 8636 4056 8588 4022 8587
      4022 8624 4037 8624 4040 8631 4043 8631
      4044 8638 4064 8658 4070 8651
TIME...MOT...LOC 0552Z 306DEG 44KT 4047 8644
WIND...HAIL 60MPH <.75IN

$$

PUMA

3 follow-up statements

904 
WWUS53 KIND 030617
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
217 AM EDT WED AUG 3 2011

INC015-030627-
/O.CAN.KIND.SV.W.0270.000000T0000Z-110803T0645Z/
CARROLL-
217 AM EDT WED AUG 3 2011

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

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

LAT...LON 4022 8587 4022 8624 4037 8624 4040 8631
      4043 8631 4056 8588
TIME...MOT...LOC 0617Z 309DEG 38KT 4029 8613

$$

INC067-159-030645-
/O.CON.KIND.SV.W.0270.000000T0000Z-110803T0645Z/
HOWARD-TIPTON-
217 AM EDT WED AUG 3 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
HOWARD AND TIPTON COUNTIES UNTIL 245 AM EDT...

AT 212 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THIS STORM WAS LOCATED 8 MILES WEST OF TIPTON...OR 11 MILES
SOUTH OF KOKOMO...MOVING SOUTHEAST AT 45 MPH.

THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF
SOUTHEASTERN HOWARD AND TIPTON COUNTIES...INCLUDING THE FOLLOWING
LOCATIONS TIPTON.

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.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 4022 8587 4022 8624 4037 8624 4040 8631
      4043 8631 4056 8588
TIME...MOT...LOC 0617Z 309DEG 38KT 4029 8613
WIND...HAIL 60MPH <.75IN

$$

PUMA

240 
WWUS53 KIND 030630
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
230 AM EDT WED AUG 3 2011

INC067-030640-
/O.CAN.KIND.SV.W.0270.000000T0000Z-110803T0645Z/
HOWARD-
230 AM EDT WED AUG 3 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HOWARD COUNTY IS
CANCELLED...

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

LAT...LON 4032 8623 4040 8588 4022 8587 4022 8624
      4025 8624
TIME...MOT...LOC 0630Z 305DEG 39KT 4021 8610

$$

INC159-030645-
/O.CON.KIND.SV.W.0270.000000T0000Z-110803T0645Z/
TIPTON-
230 AM EDT WED AUG 3 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR TIPTON COUNTY
UNTIL 245 AM EDT...

AT 226 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THIS STORM WAS LOCATED 7 MILES SOUTHWEST OF TIPTON...OR 17
MILES SOUTH OF KOKOMO...MOVING SOUTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...

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.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 4032 8623 4040 8588 4022 8587 4022 8624
      4025 8624
TIME...MOT...LOC 0630Z 305DEG 39KT 4021 8610
WIND...HAIL 60MPH <.75IN

$$

PUMA

169 
WWUS53 KIND 030643
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
243 AM EDT WED AUG 3 2011

INC159-030653-
/O.EXP.KIND.SV.W.0270.000000T0000Z-110803T0645Z/
TIPTON-
243 AM EDT WED AUG 3 2011

...THE SEVERE THUNDERSTORM WARNING FOR TIPTON COUNTY WILL EXPIRE AT
245 AM EDT/145 AM CDT/...

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

LAT...LON 4032 8623 4040 8588 4022 8587 4022 8624
      4025 8624
TIME...MOT...LOC 0643Z 302DEG 42KT 4008 8601

$$

PUMA

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 3, 1:09 AM EDT	Special Weather Statement	IND	Carroll	51 min
Aug 3, 1:28 AM EDT	Severe Thunderstorm Warning	IND	Carroll, Clinton, Tippecanoe	62 min
Aug 3, 2:13 AM EDT	Severe Thunderstorm Warning	IND	Boone, Hamilton	62 min
Aug 3, 4:29 AM EDT	Severe Thunderstorm Warning	IND	Howard, Tipton	46 min
Aug 3, 5:12 AM EDT	Tornado Warning	IND	Hamilton, Madison, Tipton	18 min
Aug 3, 5:31 AM EDT	Severe Thunderstorm Warning	IND	Delaware, Hamilton, Madison, Tipton	44 min
Aug 3, 7:44 AM EDT	Special Weather Statement	IND	Decatur, Jennings	46 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.