Alert archive / Indiana / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 37, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 21, 1997, 7:16 PM EST for Knox County, Indiana. It was in force for 59 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
- Jun 21, 1997, 7:16 PM EST (00:16 UTC)
- Expired
- Jun 21, 1997, 8:15 PM EST
- In force
- 59 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Knox County, IN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 21, 7:40 PM EST | Hail 1.75 | Bicknell, 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 nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 0.3 hours before the alert went out and 192 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
- 301 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 1421 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- -81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KIND 220016 RRA SVRIND INC083-220115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 716 PM EST SAT JUN 21 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 SOUTHWEST INDIANA ...KNOX COUNTY AT 713 PM EST RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES SOUTHWEST OF VINCENNES...MOVING NORTHEAST AT 20 MPH. SOME TOWNS IN THE PATH OF THIS STORM INCLUDE SAINT THOMAS...VINCENNES...AND BICKNELL. 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. ELSON
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, 3:52 PM EST, 3 hours 24 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, 2 hours 31 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, 2 hours 30 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, 6:19 PM EST, 57 minutes before
INZ005>009-014>018-021>027-029>034-036>042-044>050-058-059-220300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 619 PM EST SAT JUN 21 1997 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF CENTRAL AND NORTHEAST INDIANA UNTIL 1000 PM EST... AT 615 PM EST RADAR INDICATED A LINE OF VERY STRONG THUNDERSTORMS FROM 20 MILES SOUTH OF FORT WAYNE NEAR BLUFFTON...TO WEST OF TERRE HAUTE. THE STORMS WERE MOVING EAST AT 35 MPH. ELSON
Local storm report, Jun 21, 6:25 PM EST, 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
625 PM EST SAT JUN 21 1997
TIME(EST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
420 PM GRISSOM AIR RESERVE BASE IN WIND GUST
6/21/97 MIAMI 73 KT GUST
423 PM PERU IN WIND DAMAGE
6/21/97 MIAMI SMALL CIRCUS TENT BLOWN OVER.
TIGER CAGES ALSO BLOWN OVER.
430 PM 1N LEBANON IN WIND DAMAGE
6/21/97 BOONE SEVERAL TREES DOWN
MARBLE SIZE HAIL
435 PM ROMNEY IN WIND DAMAGE
6/21/97 TIPPECANOE SEVERAL TREES AND POWER LINES
BLOWN DOWN
450 PM CLARKS HILL IN WIND DAMAGE
6/21/97 TIPPECANOE SEVERAL TREES BLOWN DOWN
505 PM LINDEN IN WIND DAMAGE
6/21/97 MONTGOMERY 1 TREE BLOWN DOWN
530 PM 1S ROSSTOWN IN WIND DAMAGE
6/21/97 BOONE 2 INCH DIAMETER TREE BLOWN
DOWNLocal storm report, Jun 21, 6:28 PM EST, 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
625 PM EST SAT JUN 21 1997
TIME(EST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
420 PM GRISSOM AIR RESERVE BASE IN WIND GUST
6/21/97 MIAMI 73 KT GUST
423 PM PERU IN WIND DAMAGE
6/21/97 MIAMI SMALL CIRCUS TENT BLOWN OVER.
TIGER CAGES ALSO BLOWN OVER.
430 PM 1N LEBANON IN WIND DAMAGE
6/21/97 BOONE SEVERAL TREES DOWN
MARBLE SIZE HAIL
435 PM ROMNEY IN WIND DAMAGE
6/21/97 TIPPECANOE SEVERAL TREES AND POWER LINES
BLOWN DOWN
450 PM CLARKS HILL IN WIND DAMAGE
6/21/97 TIPPECANOE SEVERAL TREES BLOWN DOWN
505 PM LINDEN IN WIND DAMAGE
6/21/97 MONTGOMERY 1 TREE BLOWN DOWN
530 PM 1S ROSSTOWN IN WIND DAMAGE
6/21/97 BOONE 2 INCH DIAMETER TREE BLOWN
DOWNThe office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 8:28 PM EST | Severe Thunderstorm Warning | IND | Lawrence | 47 min |
| Jun 21, 8:46 PM EST | Severe Thunderstorm Warning | IND | Jackson | 44 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.