Alert archive / Indiana / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 72, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Sep 19, 1997, 7:23 PM EST for Miami County, Indiana. It was in force for 22 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
- Sep 19, 1997, 7:23 PM EST (00:23 UTC)
- Expired
- Sep 19, 1997, 7:45 PM EST
- In force
- 22 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Miami County, IN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 19, 7:50 PM EST | Thunderstorm Wind | Peru, IN | Thunderstorm winds blew down several trees in the southern part of the county. |
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 |
|---|---|---|---|
| Sep 19, 4:00 PM EST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 0.4 hours before the alert went out and 227 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
- 2124 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1340 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 252 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 13.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KIND 200021 RRA SVRIND INC103-200045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 723 PM EST FRI SEP 19 1997 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 PM EST FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH CENTRAL INDIANA ...MIAMI COUNTY AT 720 PM EST...RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES EAST OF LOGANSPORT NEAR NEW WAVERLY. THE STORM WAS MOVING EAST AT 40 MPH. LOCATIONS IN THE PATH OF THE STORM INCLUDE PERU...DENVER AND GRISSOM AIR RESERVE BASE. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HA^IL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. TUCEK
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, Sep 19, 7:04 PM EST, 19 minutes before
INZ022-023-200100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 704 PM EST FRI SEP 19 1997 ...STRONG THUNDERSTORMS WERE OVER NORTHCENTRAL INDIANA... AT 700 PM EST RADAR INDICATED A STRONG THUNDERSTORM FROM 15 MILES NORTH TO 10 MILES NORTHWEST OF LOGANSPORT...MOVING TO THE EAST TO THE EAST 40 MPH. VERY HEAVY RAIN...WIND GUSTS TO 40 MPH...DANGEROUS LIGHTNING AND SMALL HAIL ARE POSSIBLE WITH THE STORM AS IT MOVES THROUGH LOGANPORT...PERU...DENVER AND THE SURROUNDING AREAS BETWEEN 700 AND 800 PM. ELSON
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 19, 7:10 PM EST | Severe Thunderstorm Warning | IND | Cass | 35 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.