Alert archive / Indiana / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 57, NWS Indianapolis, IN

May 10, 1996Johnson County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 10, 1996, 2:54 PM EST for Johnson County, Indiana. It was in force for 51 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 10, 1996, 2:54 PM EST (19:54 UTC)
Expired: May 10, 1996, 3:45 PM EST
In force: 51 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

County Johnson County, IN

What was reported inside it

Time	Report	Where	Remark
May 10, 3:03 PM EST	Thunderstorm Wind 52	Franklin, IN
May 10, 3:15 PM EST	Thunderstorm Wind	Whiteland, 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.9 hours before the alert went out and 198 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: 168 J/kg
Mixed-layer CIN: -88 J/kg
Mixed-layer LCL: 1325 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: -2 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 101955
SVRIND
INC081-102045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
254 PM EST FRI MAY 10 1996
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  345 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL INDIANA
 
   ...JOHNSON COUNTY
 
AT 255 PM EST DOPPLER RADAR SHOWED A POSSIBLE SEVERE THUNDERSTORM 25
MILES SOUTHWEST OF INDIANAPOLIS NEAR MARTINSVILLE MOVING NORTHEAST AT 40
MPH. THIS STORM WILL MOVE INTO JOHNSON COUNTY BY BY 300 PM EST.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...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
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
 
LINDSEY

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 10, 9:03 AM EST, 5 hours 51 minutes before

INZ017-018-024>027-101530-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
903 AM EST FRI MAY 10 1996

THE SEVERE THUNDERSTORM WATCH FOR NORTHERN INDIANA HAS EXPIRED AS OF
9 AM EST. THE THUNDERSTORMS HAVE WEAKENED AND SEVERE WEATHER IS NOT
EXPECTED THE REST OF THE MORNING.

SHOWERS AND THUNDERSTORMS CONTINUE IN A AREA FROM CRAWFORDSVILLE TO
FORT WAYNE. THE INDIVIDUAL SHOWERS AND THUNDERSTORMS WERE MOVING
NORTHEAST AT 25 MPH...WHILE THE AREA ITSELF WAS MOVING SOUTHEAST AT
15 MPH.

HEAVY RAIN REMAINS POSSIBLE OVER NORTHERN INDIANA THROUGH THE
AFTERNOON. A FLASH FLOOD WATCH REMAINS IN EFFECT FOR NORTHWEST...
NORTH CENTRAL AND EXTREME NORTHEAST INDIANA TODAY...AND FOR THE REST
OF NORTHEAST INDIANA THIS AFTERNOON AND EVENING.

ZIMMERMAN

Special weather statement, May 10, 1:53 PM EST, 1 hour 1 minute before

INZ001>092-110100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
153 PM EST FRI MAY 10 1996

IN INDIANA A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 800 PM EST
AND INCLUDES THAT PART OF INDIANA EAST OF A LINE FROM TERRE HAUTE TO
15 MILES SOUTHWEST OF FORT WAYNE AND SOUTH OF A LINE FROM 15 MILES
SOUTHWEST OF FORT WAYNE TO 20 MILES SOUTHEAST OF FORT WAYNE.

SOME CITIES INCLUDED ARE MARION...ANDERSON...MUNCIE...INDIANAPOLIS...
TERRE HAUTE...SHELBYVILLE...RICHMOND...COLUMBUS...BLOOMINGTON...
VINCENNES...BEDFORD...SEYMOUR...MADISON...JASPER AND EVANSVILLE.

REMEMBER...A WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE WEATHER
IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESJE AREAS SHOULD BE ON
THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER
STATEMENTS AND POSSIBLE WARNINGS.

ZIMMERMAN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 10, 2:24 PM EST	Tornado Warning	IND	Marion	51 min
May 10, 2:32 PM EST	Severe Thunderstorm Warning	IND	Monroe, Owen	43 min
May 10, 2:37 PM EST	Severe Thunderstorm Warning	IND	Morgan	53 min
May 10, 2:43 PM EST	Severe Thunderstorm Warning	IND	Brown	47 min
May 10, 3:10 PM EST	Severe Thunderstorm Warning	IND	Shelby	50 min
May 10, 3:21 PM EST	Flash Flood Warning	IND	Monroe, Owen	2 hr
May 10, 3:30 PM EST	Severe Thunderstorm Warning	IND	Rush	45 min
May 10, 3:37 PM EST	Severe Thunderstorm Warning	IND	Bartholomew, Decatur	53 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1996 Every severe thunderstorm warning in 1996

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.