Alert archive / Indiana / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 79, NWS Indianapolis, IN

July 29, 2002Hamilton County, Marion County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 29, 2002, 2:14 PM EST for Hamilton County, Marion County, Indiana. It was in force for 46 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: Jul 29, 2002, 2:14 PM EST (19:14 UTC)
Expired: Jul 29, 2002, 3:00 PM EST
In force: 46 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

Counties Hamilton County, IN, Marion County, IN

The radar

The Indianapolis radar (KIND), 34 km from the middle of the area, began a volume at 19:14 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
Jul 29, 2:30 PM EST	Thunderstorm Wind 50 E	Castleton, IN
Jul 29, 2:45 PM EST	Thunderstorm Wind 50 E	Carmel, 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.2 hours before the alert went out and 208 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: 747 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 879 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 54 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.

901 
WUUS53 KIND 291914
SVRIND
INC057-097-292000-

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HAMILTON COUNTY IN CENTRAL INDIANA
  MARION COUNTY IN CENTRAL INDIANA
  THIS INCLUDES THE CITY OF INDIANAPOLIS

* UNTIL 300 PM EST

* AT 209 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 13 MILES NORTHWEST OF SPEEDWAY TO
  25 MILES SOUTHWEST OF SPEEDWAY...OR FROM 18 MILES NORTHWEST OF
  INDIANAPOLIS TO 26 MILES NORTH OF BLOOMINGTON...MOVING EAST AT 40
  MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  SPEEDWAY AT 225 PM EST
  WESTFIELD AT 230 PM EST
  CARMEL AT 235 PM EST
  FISHERS AT 240 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 4020 8620 3966 8630 3966 8599 4021 8591

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, 1:51 PM EST	Severe Thunderstorm Warning	IND	Hendricks, Morgan, Putnam	39 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.