Alert archive / Indiana / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 1, NWS Indianapolis, IN

February 27, 20116 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Feb 27, 2011, 9:32 PM EST for 6 counties in Indiana. It was in force for 43 min. 1 report 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: Feb 27, 2011, 9:32 PM EST (02:32 UTC)
Expired: Feb 27, 2011, 10:15 PM EST
In force: 43 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Boone County, IN, Clinton County, IN, Hamilton County, IN, Howard County, IN, Montgomery County, IN, Tipton County, IN

The radar

The Indianapolis radar (KIND), 75 km from the middle of the area, began a volume at 02:36 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
Feb 27, 9:40 PM EST	HAIL 0.25	2 Nw Thorntown, IN	PEA SIZE HAIL ABOUT HALFWAY BETWEEN COLFAX AND THORNTOWN

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 00:00Z, 2.5 hours before the alert went out and 197 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: 124 J/kg
Mixed-layer CIN: -220 J/kg
Mixed-layer LCL: 494 m above ground
0-6 km bulk shear: 76 kt
0-1 km storm-relative helicity: 89 m²/s²
0-3 km storm-relative helicity: 210 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

230 
WUUS53 KIND 280232
SVRIND
INC011-023-057-067-107-159-280315-
/O.NEW.KIND.SV.W.0001.110228T0232Z-110228T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
932 PM EST SUN FEB 27 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BOONE COUNTY IN CENTRAL INDIANA...
  SOUTHEASTERN CLINTON COUNTY IN CENTRAL INDIANA...
  NORTHWESTERN HAMILTON COUNTY IN CENTRAL INDIANA...
  HOWARD COUNTY IN CENTRAL INDIANA...
  EAST CENTRAL MONTGOMERY COUNTY IN WEST CENTRAL INDIANA...
  WESTERN TIPTON COUNTY IN CENTRAL INDIANA...

* UNTIL 1015 PM EST

* AT 931 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED 7 MILES WEST OF LEBANON...OR 15 MILES EAST OF
  CRAWFORDSVILLE...AND MOVING NORTHEAST AT 60 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  KIRKLIN AND FRANKFORT AROUND 945 PM EST...
  MICHIGANTOWN AROUND 950 PM EST...
  KEMPTON AROUND 955 PM EST...
  RUSSIAVILLE AROUND 1000 PM EST...
  INDIAN HEIGHTS AND SHARPSVILLE AROUND 1005 PM EST...
  KOKOMO AROUND 1010 PM EST...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 136 AND 155.

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 4053 8603 4042 8589 3996 8648 4005 8684
      4044 8640 4044 8637 4046 8637 4057 8625
TIME...MOT...LOC 0232Z 223DEG 53KT 4007 8659
WIND...HAIL <50MPH 1.00IN

$$

MRD/JK

3 follow-up statements

807 
WWUS53 KIND 280244
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
944 PM EST SUN FEB 27 2011

INC107-280253-
/O.CAN.KIND.SV.W.0001.000000T0000Z-110228T0315Z/
MONTGOMERY-
944 PM EST SUN FEB 27 2011

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL 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 4053 8603 4042 8589 4007 8635 4013 8671
      4017 8671 4044 8640 4044 8638 4057 8625
TIME...MOT...LOC 0243Z 225DEG 52KT 4017 8644

$$

INC011-023-057-067-159-280315-
/O.CON.KIND.SV.W.0001.000000T0000Z-110228T0315Z/
BOONE-CLINTON-HAMILTON-HOWARD-TIPTON-
944 PM EST SUN FEB 27 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
BOONE...NORTHWESTERN HAMILTON...WESTERN TIPTON...SOUTHEASTERN CLINTON
AND HOWARD COUNTIES UNTIL 1015 PM EST...

AT 940 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED 6 MILES NORTH OF LEBANON...OR 10 MILES SOUTH OF
FRANKFORT...MOVING NORTHEAST AT 60 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  MICHIGANTOWN AROUND 950 PM EST...
  KEMPTON AROUND 955 PM EST...
  RUSSIAVILLE AROUND 1000 PM EST...
  INDIAN HEIGHTS AND SHARPSVILLE AROUND 1005 PM EST...
  KOKOMO AROUND 1010 PM EST...
  GREENTOWN AROUND 1015 PM EST...

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 4053 8603 4042 8589 4007 8635 4013 8671
      4017 8671 4044 8640 4044 8638 4057 8625
TIME...MOT...LOC 0243Z 225DEG 52KT 4017 8644
WIND...HAIL <50MPH 1.00IN

$$

MRD/JK

237 
WWUS53 KIND 280256
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
956 PM EST SUN FEB 27 2011

INC011-280306-
/O.CAN.KIND.SV.W.0001.000000T0000Z-110228T0315Z/
BOONE-
956 PM EST SUN FEB 27 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN BOONE 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 4017 8622 4028 8638 4057 8625 4053 8603
      4042 8589
TIME...MOT...LOC 0256Z 225DEG 52KT 4030 8626

$$

INC023-057-067-159-280315-
/O.CON.KIND.SV.W.0001.000000T0000Z-110228T0315Z/
CLINTON-HAMILTON-HOWARD-TIPTON-
956 PM EST SUN FEB 27 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
HAMILTON...WESTERN TIPTON...EASTERN CLINTON AND CENTRAL HOWARD
COUNTIES UNTIL 1015 PM EST...

AT 954 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED 12 MILES EAST OF FRANKFORT...MOVING NORTHEAST AT 60
MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  INDIAN HEIGHTS AND SHARPSVILLE AROUND 1005 PM EST...
  KOKOMO AROUND 1010 PM EST...
  GREENTOWN AROUND 1015 PM EST...

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 4017 8622 4028 8638 4057 8625 4053 8603
      4042 8589
TIME...MOT...LOC 0256Z 225DEG 52KT 4030 8626
WIND...HAIL <50MPH 1.00IN

$$

MRD/JK

684 
WWUS53 KIND 280308
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1008 PM EST SUN FEB 27 2011

INC023-057-067-159-280318-
/O.EXP.KIND.SV.W.0001.000000T0000Z-110228T0315Z/
CLINTON-HAMILTON-HOWARD-TIPTON-
1008 PM EST SUN FEB 27 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN HAMILTON...
WESTERN TIPTON...EASTERN CLINTON AND CENTRAL HOWARD COUNTIES WILL
EXPIRE AT 1015 PM EST/915 PM CST/...

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 4017 8622 4028 8638 4057 8625 4053 8603
      4042 8589
TIME...MOT...LOC 0308Z 225DEG 52KT 4042 8609

$$

MRD/JK

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 27, 10:14 PM EST	Special Weather Statement	IND	Fountain, Tippecanoe	31 min
Feb 27, 10:46 PM EST	Severe Thunderstorm Warning	IND	Boone, Hamilton, Hendricks, Marion, Morgan, Owen and 1 more	44 min
Feb 27, 11:05 PM EST	Severe Thunderstorm Warning	IND	Fountain, Montgomery, Parke, Putnam, Vermillion	40 min
Feb 27, 11:46 PM EST	Special Weather Statement	IND	Boone	29 min
Feb 28, 12:31 AM EST	Areal Flood Warning	IND	Boone, Clay, Fountain, Hendricks, Marion, Montgomery and 7 more	42 hr
Feb 28, 12:35 AM EST	Areal Flood Warning	IND	Boone, Decatur, Delaware, Hamilton, Hancock, Henry and 5 more	42 hr
Feb 28, 1:08 AM EST	Tornado Warning	IND	Bartholomew, Brown, Johnson, Monroe, Morgan	37 min
Feb 28, 1:25 AM EST	Tornado Warning	IND	Delaware, Randolph	35 min
Feb 28, 1:29 AM EST	Areal Flood Warning	IND	Delaware, Henry, Randolph	41 hr
Feb 28, 1:59 AM EST	Severe Thunderstorm Warning	IND	Hamilton, Hendricks, Marion	31 min
Feb 28, 2:08 AM EST	Tornado Warning	IND	Clay, Hendricks, Morgan, Owen, Parke, Putnam and 1 more	37 min
Feb 28, 2:19 AM EST	Tornado Warning	IND	Delaware, Henry, Madison, Randolph	26 min
Feb 28, 2:24 AM EST	Areal Flood Warning	IND	Boone, Clinton, Delaware, Hamilton, Howard, Madison and 1 more	40 hr
Feb 28, 2:33 AM EST	Severe Thunderstorm Warning	IND	Hamilton, Hancock, Hendricks, Madison, Marion, Morgan and 1 more	27 min
Feb 28, 2:38 AM EST	Tornado Warning	IND	Hendricks, Marion, Morgan, Putnam	37 min
Feb 28, 2:43 AM EST	Tornado Warning	IND	Delaware, Henry, Randolph	32 min
Feb 28, 3:42 AM EST	Severe Thunderstorm Warning	IND	Hancock, Henry, Rush, Shelby	48 min
Feb 28, 4:05 AM EST	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Rush, Shelby	40 min
Feb 28, 5:22 AM EST	River Flood Warning	IND	Delaware, Madison	56 hr
Feb 28, 5:22 AM EST	River Flood Warning	IND	Hamilton, Madison	62 hr
Feb 28, 5:22 AM EST	River Flood Warning	IND	Hamilton, Marion	4 days
Feb 28, 5:22 AM EST	River Flood Warning	IND	Marion, Morgan	4 days
Feb 28, 5:22 AM EST	River Flood Warning	IND	Marion, Morgan	4 days
Feb 28, 5:22 AM EST	River Flood Warning	IND	Clay, Greene	62 hr
Feb 28, 11:18 AM EST	River Flood Warning	IND	Morgan, Owen	10 days
Feb 28, 11:18 AM EST	River Flood Warning	IND	Morgan, Owen	10 days
Feb 28, 11:18 AM EST	River Flood Warning	IND	Shelby	50 hr
Feb 28, 11:18 AM EST	River Flood Warning	IND	Montgomery, Parke	35 hr

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.