Alert archive / Indiana / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 34, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 21, 1997, 5:03 PM EST for Boone County, Indiana. It was in force for 42 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
- Jun 21, 1997, 5:03 PM EST (22:03 UTC)
- Expired
- Jun 21, 1997, 5:45 PM EST
- In force
- 42 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Boone County, IN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 21, 5:25 PM EST | Thunderstorm Wind | Mechanicsburg, IN | Trees blown down. |
| Jun 21, 5:30 PM EST | Thunderstorm Wind | Rosston, IN | Two foot diameter tree blown down. |
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
Lincoln, IL (KILX), launched 12:00Z, 10.1 hours before the alert went out and 182 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
- 3170 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 624 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 187 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
737 WUUS1 KIND 212204 RRA SVRIND INC011-212245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 503 PM EST SAT JUN 21 1997 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM EST FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL INDIANA ...BOONE COUNTY AT 500 PM WEATHER RADAR INDICATED A SEVERE THUNDERSTORM IN WESTERN BOONE COUNTY...ABOUT 10 MILES WEST OF LEBANON. THIS STORM IS MOVING TO THE EAST AROUND 30 MILES AN HOUR. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DONT USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
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, Jun 21, 12:32 PM EST, 4 hours 31 minutes before
INZ071-072-211830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1232 PM EST SAT JUN 21 1997 ...HEAVY RAINFALL POSSIBLE OVER SOUTH CENTRAL INDIANA... THUNDERSTORMS ABOUT 20 MILES WEST OF SEYMOUR AT 1220 PM WILL PRODUCE HEAVY RAINFALL AND DANGEROUS LIGHTNING OVER PARTS OF JACKSON COUNTY. RAINFALL OF ONE HALF OF AN INCH TO ONE INCH IN LESS THAN ONE HOUR IS POSSIBLE. HAIL IS ALSO POSSIBLE FROM THOSE STORMS. THE STORMS WERE MOVING EAST 15 MPH. THUNDERSTORMS WILL BE SCATTERED OVER SOUTH CENTRAL INDIANA THROUGH THE EARLY AFTERNOON. DS
Special weather statement, Jun 21, 3:14 PM EST, 1 hour 49 minutes before
INZ003>009-012>018-020>031-035>037-043>046-051>053-060-061-212130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 314 PM EST SAT JUN 21 1997 ...THUNDERSTORMS WERE DEVELOPING OVER NORTHWEST INDIANA... THE THUNDERSTORMS WERE SCATTERED FROM JUST WEST OF SOUTH BEND TO WEST OF LAFAYETTE AT 305 PM. THEY WILL MOVE TO NORTHEAST INDIANA BEFORE 500 PM. STORMS SHOULD END OVER THE NORTHWEST BEFORE 700 PM. THE STORMS WILL HAVE DANGEROUS LIGHTNING. HEAVY RAINFALL...GUSTY WINDS AND HAIL ARE POSSIBLE. SCATTERED THUNDERSTORMS ARE LIKELY TO DEVELOP OVER WEST CENTRAL INDIANA BEFORE 600 PM. DS
Special weather statement, Jun 21, 3:51 PM EST, 1 hour 12 minutes before
INZ021-022-029-212200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 351 PM EST SAT JUN 21 1997 ...THUNDERSTORMS WERE OVER NORTHWEST INDIANA... THUNDERSTORMS WERE SCATTERED FROM AROUND SOUTH BEND TO JUST WEST OF LAFAYETTE AT 350 PM. THE STORMS WERE MOVING EAST AND WILL BE INTO THE LAFAYETTE AND LOGANSPORT AREAS BY 430 PM. EXPECT DANGEROUS LIGHTNING AND BRIEF HEAVY RAINFALL WITH THESE STORMS. HAIL AND GUSTY WINDS ARE POSSIBLE. DS
Special weather statement, Jun 21, 3:52 PM EST, 1 hour 11 minutes before
INZ021-022-029-212200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 351 PM EST SAT JUN 21 1997 ...THUNDERSTORMS WERE OVER NORTHWEST INDIANA... THUNDERSTORMS WERE SCATTERED FROM AROUND SOUTH BEND TO JUST WEST OF LAFAYETTE AT 350 PM. THE STORMS WERE MOVING EAST AND WILL BE INTO THE LAFAYETTE AND LOGANSPORT AREAS BY 430 PM. EXPECT DANGEROUS LIGHTNING AND BRIEF HEAVY RAINFALL WITH THESE STORMS. HAIL AND GUSTY WINDS ARE POSSIBLE. DS
Special weather statement, Jun 21, 4:45 PM EST, 18 minutes before
INZ028>031-035>040-043>047-212300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 445 PM EST SAT JUN 21 1997 ...SEVERE THUNDERSTORM WARNING NO LONGER IN EFFECT FOR NORTHERN FOUNTAIN COUNTY. THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN TIPPECANOE COUNTY REMAINS IN EFFECT UNTIL 5 PM... A STRONG THUNDERSTORM WAS INDICATED ON RADAR NEAR ROMNEY...10 MILES SOUTH OF LAFAYETTE. THIS STORM WAS MOVING EAST TOWARD CLARKS HILL. OTHER THUNDERSTORMS CONTINUED FROM ABOUT 10 MILES SOUTHWEST OF COVINGTON...TO JUST SOUTH OF LAFAYETTE AND THEN TO SOUTH OF KOKOMO. . THE STORMS ARE MOVING TO THE EAST AROUND 25 MILES AN HOUR. EXPECT DANGEROUS LIGHTNING AND HEAVY RAINFALL WITH THESE STORMS. HAIL AND GUSTY WINDS ARE POSSIBLE. MES
Special weather statement, Jun 21, 4:46 PM EST, 17 minutes before
INZ028>031-035>040-043>047-212300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 445 PM EST SAT JUN 21 1997 ...SEVERE THUNDERSTORM WARNING NO LONGER IN EFFECT FOR NORTHERN FOUNTAIN COUNTY. THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN TIPPECANOE COUNTY REMAINS IN EFFECT UNTIL 5 PM... A STRONG THUNDERSTORM WAS INDICATED ON RADAR NEAR ROMNEY...10 MILES SOUTH OF LAFAYETTE. THIS STORM WAS MOVING EAST TOWARD CLARKS HILL. OTHER THUNDERSTORMS CONTINUED FROM ABOUT 10 MILES SOUTHWEST OF COVINGTON...TO JUST SOUTH OF LAFAYETTE AND THEN TO SOUTH OF KOKOMO. . THE STORMS ARE MOVING TO THE EAST AROUND 25 MILES AN HOUR. EXPECT DANGEROUS LIGHTNING AND HEAVY RAINFALL WITH THESE STORMS. HAIL AND GUSTY WINDS ARE POSSIBLE. MES
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 4:11 PM EST | Severe Thunderstorm Warning | IND | Fountain, Tippecanoe | 49 min |
| Jun 21, 4:50 PM EST | Severe Thunderstorm Warning | IND | Montgomery | 40 min |
| Jun 21, 5:48 PM EST | Severe Thunderstorm Warning | IND | Clay, Putnam | 42 min |
| Jun 21, 6:15 PM EST | Severe Thunderstorm Warning | IND | Delaware | 45 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.