Alert archive / Indiana / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 78, NWS Indianapolis, IN

July 29, 2002Hendricks County, Morgan County, Putnam County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 29, 2002, 1:51 PM EST for Hendricks County, Morgan County, Putnam County, Indiana. It was in force for 39 min. 3 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: Jul 29, 2002, 1:51 PM EST (18:51 UTC)
Expired: Jul 29, 2002, 2:30 PM EST
In force: 39 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

Counties Hendricks County, IN, Morgan County, IN, Putnam County, IN

The radar

The Indianapolis radar (KIND), 33 km from the middle of the area, began a volume at 18:54 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.

What was reported inside it

Time	Report	Where
Jul 29, 2:00 PM EST	Thunderstorm Wind 50 E	Mooresville, IN
Jul 29, 2:10 PM EST	Thunderstorm Wind 50 E	Greencastle, IN
Jul 29, 2:19 PM EST	Thunderstorm Wind 50 E	Maplewood, IN

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jul 29, 12:20 PM EST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 6.9 hours before the alert went out and 172 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: 895 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 741 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 107 m²/s²
0-3 km storm-relative helicity: 79 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 1.9

Open this sounding in Storm Lab

The text

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

859 
WUUS53 KIND 291851
SVRIND
INC063-109-133-291930-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
150 PM EST MON JUL 29 2002

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

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

* UNTIL 230 PM EST

* AT 149 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER COATESVILLE...OR ABOUT 24 MILES SOUTHEAST
  OF CRAWFORDSVILLE...MOVING EAST AT 60 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  DANVILLE AT 155 PM EST
  PITTSBORO AT 200 PM EST
  BROWNSBURG AT 205 PM EST

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...DESTRUCTIVE HAIL...
DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR.

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

LAT...LON 3985 8687 3948 8687 3949 8635 3992 8638

KOCH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 1:38 PM EST	Severe Thunderstorm Warning	IND	Clay, Greene, Owen	37 min
Jul 29, 2:14 PM EST	Severe Thunderstorm Warning	IND	Hamilton, Marion	46 min
Jul 29, 2:20 PM EST	Severe Thunderstorm Warning	IND	Boone	25 min
Jul 29, 2:30 PM EST	Severe Thunderstorm Warning	IND	Madison, Tipton	60 min
Jul 29, 2:40 PM EST	Severe Thunderstorm Warning	IND	Hancock	50 min
Jul 29, 2:58 PM EST	Severe Thunderstorm Warning	IND	Delaware	47 min
Jul 29, 3:06 PM EST	Severe Thunderstorm Warning	IND	Henry, Rush	54 min
Jul 29, 3:17 PM EST	Severe Thunderstorm Warning	IND	Randolph	43 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2002 Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.