Alert archive / Indiana / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 77, NWS Indianapolis, IN

July 29, 2002Clay County, Greene County, Owen County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 29, 2002, 1:38 PM EST for Clay County, Greene County, Owen County, Indiana. It was in force for 37 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: Jul 29, 2002, 1:38 PM EST (18:38 UTC)
Expired: Jul 29, 2002, 2:15 PM EST
In force: 37 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

Counties Clay County, IN, Greene County, IN, Owen County, IN

The radar

The Indianapolis radar (KIND), 87 km from the middle of the area, began a volume at 18:39 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, 2:00 PM EST	Thunderstorm Wind 50 E	Solsberry, 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, 6.6 hours before the alert went out and 171 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.

332 
WUUS53 KIND 291838
SVRIND
INC021-055-119-291915-

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN GREENE COUNTY IN SOUTHWEST INDIANA
  SOUTHERN CLAY COUNTY IN WEST CENTRAL INDIANA   
  SOUTHERN OWEN COUNTY IN WEST CENTRAL INDIANA

* UNTIL 215 PM EST

* AT 133 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER JASONVILLE...OR ABOUT 24 MILES SOUTH OF
  TERRE HAUTE...MOVING EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WORTHINGTON AT 150 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 3926 8722 3905 8724 3907 8674 3928 8677

KOCH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 1:51 PM EST	Severe Thunderstorm Warning	IND	Hendricks, Morgan, Putnam	39 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.