Alert archive / Indiana / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 48, NWS Indianapolis, IN

July 8, 1997Henry County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 8, 1997, 11:51 PM EST for Henry County, Indiana. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 8, 1997, 11:51 PM EST (04:51 UTC)
Expired: Jul 9, 1997, 12:30 AM EST
In force: 39 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

County Henry County, 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 8, 8:00 PM EST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 4.9 hours before the alert went out and 148 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: 702 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1294 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 090451 RRA
SVRIND
INC065-090530-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1151 PM EST TUE JUL 8 1997
 
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1230 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL INDIANA
 
   ...HENRY COUNTY
 
AT 1145 PM EST WEATHER RADAR INDICTED SEVERE THUNDERSTORMS IN HENRY
COUNTY. THESE STORMS WERE MOVING TO THE SOUTHEAST AT 25 MPH. THE STORMS
WILL MOVE INTO THE NEWCASTLE AREA SHORTLY AFTER MIDNIGHT.
 
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.

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, Jul 8, 9:30 PM EST, 2 hours 21 minutes before

INZ021-031-090300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
928 PM EST TUE JUL 8 1997

THE TORNADO WARNING FOR HOWARD AND CARROLL COUNTIES EXPIRED AT 930 PM
EST. WHILE ROTATION WAS OBSERVED BY AMATEUR RADIO OPERATORS AND RADAR NO
TORNADOES DEVELOPED. THE HOWARD COUNTY SHERIFF REPORTED PEA SIZED HAIL.
THUNDERSTORMS WILL MOVE OUT OF THE AREA BY 930 PM WITH THE RAIN ENDING
BY MIDNIGHT.
HAINES

Special weather statement, Jul 8, 10:00 PM EST, 1 hour 51 minutes before

INZ003>009-012>018-020>075-080-090500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1000 PM EST TUE JUL 8 1997

...A SEVERE THUNDERSTORM WATCH CONTINUES UNTIL 200 AM FOR MOST OF
CENTRAL INDIANA AND A PORTION OF NORTH CENTRAL INDIANA...

THE SEVERE THUNDERSTORM WATCH IS IN EFFECT SOUTH OF LINE FROM
RENSSELAER TO FORT WAYNE AND NORTH OF A LINE FROM SULLIVAN
TO 20 MILES SOUTH OF RICHMOND.

AT 955 PM WEATHER SERVICE RADAR SHOWED A LINE OF STRONG THUNDERSTORMS
EXTENDING FROM 30 MILES EAST OF MUNCIE TO 15 MILES NORTHWEST OF
ANDERSON TO 10 MILES NORTH OF LEBANON IN BOONE COUNTY AND THEN
WESTWARD INTO ILLINOIS. THESE STORMS WERE MOVING SOUTHEAST AT 25 MPH.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS THAT SEVERE
THUNDERSTORMS ARE POSSIBLE IN AND NEAR THE WATCH AREA. SEVERE
THUNDERSTORMS PRODUCE HAIL THREE QUARTERS OF AN INCH OR LARGER...
WIND GUSTS TO 58 MPH OR HIGHER AS WELL AS TORRENTIAL RAINS AND
DANGEROUS LIGHTNING. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO
PRODUCE A TORNADO. BE READY TO MOVE TO SHELTER IF A WARNING IS
ISSUED FOR YOUR AREA OR IF THREATENING WEATHER APPROACHES.

RPG

Special weather statement, Jul 8, 11:06 PM EST, 45 minutes before

INZ017>029-031-090445-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1106 PM EST TUE JUL 8 1997

...PART OF SEVERE THUNDERSTORM WATCH NUMBER 586 IS CANCELLED...

THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED NORTH OF A LINE FROM
BLUFFTON TO 5 MILES SOUTH OF KOKOMO TO DANVILLE ILLINOIS.

SEVERE THUNDERSTORMS HAVE MOVED SOUTH OF THIS AREA AND THE THREAT FOR
SEVERE WEATHER HAS DIMINISHED NORTH OF THIS LINE.

LASHLEY

Special weather statement, Jul 8, 11:07 PM EST, 44 minutes before

INZ017>029-031-090445-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1106 PM EST TUE JUL 8 1997

...PART OF SEVERE THUNDERSTORM WATCH NUMBER 586 IS CANCELLED...

THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED NORTH OF A LINE FROM
BLUFFTON TO 5 MILES SOUTH OF KOKOMO TO DANVILLE ILLINOIS.

SEVERE THUNDERSTORMS HAVE MOVED SOUTH OF THIS AREA AND THE THREAT FOR
SEVERE WEATHER HAS DIMINISHED NORTH OF THIS LINE.

LASHLEY

Local storm report, Jul 8, 11:25 PM EST, 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1125 PM EST TUE JUL 8 1997

TIME(EST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

932  PM    10 SW FRANKFORT           IN   TORNADO
7/8/97     CLINTON                        PUBLIC REPORT

1033 PM    ALEXANDRIA                IN   WIND DAMAGE
7/8/97     MADISON                        TREES AND POWER LINES DOWN

1035 PM    5N ANDERSON               IN   WIND DAMAGE
7/8/97     MADISON                        LARGE TREE LIMBS DOWN

LASHLEY

Local storm report, Jul 8, 11:40 PM EST, 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1125 PM EST TUE JUL 8 1997

TIME(EST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

932  PM    10 SW FRANKFORT           IN   TORNADO
7/8/97     CLINTON                        PUBLIC REPORT

1033 PM    ALEXANDRIA                IN   WIND DAMAGE
7/8/97     MADISON                        TREES AND POWER LINES DOWN

1035 PM    5N AtNDERSON               IN   WIND DAMAGE
7/8/97     MADISON                        LARGE TREE LIMBS DOWN

LASHLEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 8:42 PM EST	Tornado Warning	IND	Carroll, Howard	48 min
Jul 8, 9:46 PM EST	Severe Thunderstorm Warning	IND	Tipton	44 min
Jul 8, 10:18 PM EST	Tornado Warning	IND	Clinton	42 min
Jul 8, 10:24 PM EST	Tornado Warning	IND	Madison	36 min
Jul 8, 10:44 PM EST	Severe Thunderstorm Warning	IND	Delaware, Henry	46 min
Jul 8, 11:57 PM EST	Severe Thunderstorm Warning	IND	Rush	33 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1997 Every severe thunderstorm warning in 1997

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.