Alert archive / Indiana / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 12, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 28, 1997, 7:21 PM EST for Johnson County, Indiana. It was in force for 54 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
- Mar 28, 1997, 7:21 PM EST (00:21 UTC)
- Expired
- Mar 28, 1997, 8:15 PM EST
- In force
- 54 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Johnson County, IN
The radar
The Indianapolis radar (KIND), 29 km from the middle of the area, began a volume at 00:24 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 28, 6:00 PM EST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.4 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.
- Mixed-layer CAPE
- 275 J/kg
- Mixed-layer CIN
- -85 J/kg
- Mixed-layer LCL
- 623 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 282 m²/s²
- 0-3 km storm-relative helicity
- 290 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KIND 290023 SVRIND INC081-290115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 721 PM EST FRI MAR 28 1997 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 815 PM EST FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL INDIANA ...JOHNSON COUNTY AT 720 PM...A SEVERE THUNDERSTORM WAS NEAR TRAFALGER AND WAS MOVING NORTHEAST AT 30 MPH. THIS STORM WILL MOVE THROUGH FRANKLIN BY 745 PM. MARBLE SIZE HAIL WAS REPORTED AT TRAFALGER AT AROUND 715 PM. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH L<ITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. EDDY
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, Mar 28, 6:35 PM EST, 46 minutes before
INZ054-062-290000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 635 PM EST FRI MAR 28 1997 AT 629 PM EST...AMATEUR RADIO SPOTTERS REPORTED NICKEL SIZED HAIL ON US37 JUST SOUTH OF THE MORGAN COUNTY LINE. IF DANGEROUS WEATHER APPROACHES...TAKE COVER. CONLEY &
Special weather statement, Mar 28, 6:37 PM EST, 44 minutes before
INZ054-062-290000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 635 PM EST FRI MAR 28 1997 AT 629 PM EST...AMATEUR RADIO SPOTTERS REPORTED NICKEL SIZED HAIL ON US37 JUST SOUTH OF THE MORGAN COUNTY LINE. IF DANGEROUS WEATHER APPROACHES...TAKE COVER. CONLEY &
Local storm report, Mar 28, 7:06 PM EST, 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
706 PM EST FRI MAR 28 1997
TIME(EST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
704 PM HAIL
3/28/97 MONROE IN NICKEL TO QUARTER SIZED
LCLocal storm report, Mar 28, 7:09 PM EST, 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
706 PM EST FRI MAR 28 1997
TIME(EST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
704 PM HAIL
3/28/97 MONROE IN NICKEL TO QUARTER SIZED
LCThe office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 7:07 PM EST | Tornado Warning | IND | Hancock | 68 min |
| Mar 28, 7:26 PM EST | Severe Thunderstorm Warning | IND | Daviess | 49 min |
| Mar 28, 7:30 PM EST | Tornado Warning | IND | Henry | 60 min |
| Mar 28, 7:40 PM EST | Severe Thunderstorm Warning | IND | Martin | 35 min |
| Mar 28, 7:56 PM EST | Severe Thunderstorm Warning | IND | Shelby | 34 min |
| Mar 28, 8:02 PM EST | Severe Thunderstorm Warning | IND | Hancock | 58 min |
| Mar 28, 8:09 PM EST | Severe Thunderstorm Warning | IND | Carroll | 36 min |
| Mar 28, 8:26 PM EST | Tornado Warning | IND | Rush | 49 min |
| Mar 28, 8:27 PM EST | Severe Thunderstorm Warning | IND | Cass, Miami | 48 min |
| Mar 28, 8:42 PM EST | Severe Thunderstorm Warning | IND | Jennings | 48 min |
| Mar 28, 8:53 PM EST | Tornado Warning | IND | Decatur | 52 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 1997Every 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; radar from the NEXRAD Level II archive.