Alert archive / Indiana / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 7, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Mar 28, 1997, 6:40 PM EST for Monroe County, Indiana. It was in force for 65 min. 1 report 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
- Mar 28, 1997, 6:40 PM EST (23:40 UTC)
- Expired
- Mar 28, 1997, 7:45 PM EST
- In force
- 65 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Monroe County, IN
The radar
The Indianapolis radar (KIND), 64 km from the middle of the area, began a volume at 23:43 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 |
|---|---|---|---|
| Mar 28, 6:46 PM EST | Hail 1.75 | Unionville, 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 |
|---|---|---|---|
| Mar 28, 6:00 PM EST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.7 hours before the alert went out and 209 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
- 127 J/kg
- Mixed-layer CIN
- -142 J/kg
- Mixed-layer LCL
- 815 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 207 m²/s²
- 0-3 km storm-relative helicity
- 211 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, 5 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, 3 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 &
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 5:03 PM EST | Severe Thunderstorm Warning | IND | Putnam | 42 min |
| Mar 28, 5:22 PM EST | Severe Thunderstorm Warning | IND | Hendricks | 53 min |
| Mar 28, 5:32 PM EST | Severe Thunderstorm Warning | IND | Vigo | 43 min |
| Mar 28, 5:49 PM EST | Severe Thunderstorm Warning | IND | Marion | 56 min |
| Mar 28, 6:06 PM EST | Severe Thunderstorm Warning | IND | Greene | 69 min |
| Mar 28, 6:14 PM EST | Severe Thunderstorm Warning | IND | Clay, Vigo | 61 min |
| Mar 28, 6:27 PM EST | Tornado Warning | IND | Clay, Vigo | 63 min |
| Mar 28, 6:28 PM EST | Tornado Warning | IND | Marion | 32 min |
| Mar 28, 6:45 PM EST | Severe Thunderstorm Warning | IND | Brown, Monroe | 60 min |
| Mar 28, 6:50 PM EST | Severe Thunderstorm Warning | IND | Hancock | 55 min |
| Mar 28, 6:51 PM EST | Severe Thunderstorm Warning | IND | Knox | 69 min |
| Mar 28, 6:54 PM EST | Severe Thunderstorm Warning | IND | Tipton | 51 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.