Alert archive / Indiana / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 64, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 27, 1997, 4:26 PM EST for Hamilton County, Marion County, Indiana. It was in force for 49 min. 4 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
- Jul 27, 1997, 4:26 PM EST (21:26 UTC)
- Expired
- Jul 27, 1997, 5:15 PM EST
- In force
- 49 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties Hamilton County, IN, Marion County, IN
The radar
The Indianapolis radar (KIND), 29 km from the middle of the area, began a volume at 21:28 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 |
|---|---|---|---|
| Jul 27, 4:30 PM EST | Thunderstorm Wind | Indianapolis, IN | Thunderstorm winds knocked down traffic lights at 21st and Post Roads. |
| Jul 27, 4:30 PM EST | Thunderstorm Wind | Indianapolis, IN | Thunderstorm winds blew down numerous tree limbs and a few trees on the NE, E, and SE sides of Indianapolis causing many power outages. |
| Jul 27, 4:53 PM EST | Thunderstorm Wind | Fishers, IN | Thunderstorm winds blew down trees and limbs in the vicinity of I-69 and State Road 37. |
| Jul 27, 5:10 PM EST | Thunderstorm Wind | Sheridan, IN | Thunderstorm winds blew down a two and a half foot diameter tree just west of Sheridan on the Hamilton-Boone County line. Crops in the same vicinity were also damaged by the winds. |
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 |
|---|---|---|---|
| Jul 27, 2:30 PM EST | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.4 hours before the alert went out and 204 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
- 2569 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 889 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 148 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 9.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KIND 272127 RRA SVRIND INC057-097-272215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 426 PM EST SUN JUL 27 1997 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM EST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL INDIANA ...HAMILTON COUNTY...MARION COUNTY AT 421 PM EST...AN AMATEUR RADIO OPERATOR REPORTED A 62 MPH WIND GUST ONE MILE SOUTHEAST OF NOBLESVILLE NEAR I-69...OR 30 MILES NORTH OF INDIANAPOLIS. THIS STORM WAS MOVING EAST TOWARDS FISHERS AND CASTLETON. 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. 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, Jul 27, 2:31 PM EST, 1 hour 55 minutes before
INZ007-009-017-018-020>027-029>034-036>042-045>050-053>059-062>066- 070>073-272030Z- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 231 PM EST SUN JUL 27 1997 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR CENTRAL EAST CENTRAL AND PART OF NORTHEAST INDIANA UNTIL 900 PM EST... THE WATCH IS SOUTH OF A LINE FROM ANGOLA TO 30 MILES NORTHWEST OF LAFAYETTE...EAST OF A LINE FROM 30 MILES NORTHWEST OF LAFAYETTE TO BEDFORD AND NORTH OF A LINE FROM BEDFORD TO 30 MILES SOUTH OF RICHMOND. SOME CITIES IN THE WATCH INCLUDE...FORT WAYNE... LAFAYETTE...INDIANAPOLIS...MUNCIE...BLOOMINGTON...COLUMBUS AND RICHMOND. THE WATCH IS NO LONGER IN EFFECT OVER NORTH CENTRAL INDIANA. A SEVERE THUNDERSTORM WATCH MEANS DANGEROUS LIGHTNING...DAMAGING THUNDERSTORM WINDS...LARGE HAIL AND HEAVY RAINFALL ARE POSSIBLE IN AND NEAR THE WATCH AREA. LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. AT 230 PM...AN AREA OF THUNDERSTORMS WAS OVER NORTHEAST AND NORTH CENTRAL INDIANA FROM AROUND FORT WAYNE THROUGH PERU TO AROUND RENSSELAER. THE STORMS WERE MOVING SOUTHEAST 30 MPH. DS
Special weather statement, Jul 27, 2:32 PM EST, 1 hour 54 minutes before
INZ007-009-017-018-020>027-029>034-036>042-045>050-053>059-062>066- 070>073-272030Z- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 231 PM EST SUN JUL 27 1997 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR CENTRAL EAST CENTRAL AND PART OF NORTHEAST INDIANA UNTIL 900 PM EST... THE WATCH IS SOUTH OF A LINE FROM ANGOLA TO 30 MILES NORTHWEST OF LAFAYETTE...EAST OF A LINE FROM 30 MILES NORTHWEST OF LAFAYETTE TO BEDFORD AND NORTH OF A LINE FROM BEDFORD TO 30 MILES SOUTH OF RICHMOND. SOME CITIES IN THE WATCH INCLUDE...FORT WAYNE... LAFAYETTE...INDIANAPOLIS...MUNCIE...BLOOMINGTON...COLUMBUS AND RICHMOND. THE WATCH IS NO LONGER IN EFFECT OVER NORTH CENTRAL INDIANA. A SEVERE THUNDERSTORM WATCH MEANS DANGEROUS LIGHTNING...DAMAGING THUNDERSTORM WINDS...LARGE HAIL AND HEAVY RAINFALL ARE POSSIBLE IN AND NEAR THE WATCH AREA. LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. AT 230 PM...AN AREA OF THUNDERSTORMS WAS OVER NORTHEAST AND NORTH CENTRAL INDIANA FROM AROUND FORT WAYNE THROUGH PERU TO AROUND RENSSELAER. THE STORMS WERE MOVING SOUTHEAST 30 MPH. DS
Special weather statement, Jul 27, 4:06 PM EST, 20 minutes before
INZ003>009-012>018-020>075-080>082-085>088-290000- SPECIAL WEATHER STATEMENT FOR HEAT ADVISORY NATIONAL WEATHER SERVICE INDIANAPOLIS IN 406 PM EST SUN JUL 27 1997 ...HEAT ADVISORY CONTINUES THROUGH MONDAY FOR SOUTHERN INDIANA... ...HEAT ADVISORY CANCELLED FOR CENTRAL INDIANA FOR MONDAY... HOT AND HUMID AIR WILL CONTINUE OVER SOUTHERN INDIANA ON MONDAY... KEEPING HEAT INDEX VALUES IN THE 105 TO 110 RANGE. CLOUDS AND LESS HUMIDITY OVER CENTRAL INDIANA WILL KEEP VALUES FROM REACHING ADVISORY CRITERIA OF 105...THEREFORE THE ADVISORY HAS BEEN CANCELLED FOR CENTRAL INDIANA ON MONDAY. WARM AND HUMID AIR WILL REMAIN OVER MUCH OF THE STATE TONIGHT. RAIN COOLED AIR FROM THUNDERSTORMS MAY COOL THE AIR IN MANY AREAS. HEAT INDEX VALUES OVERNIGHT WILL BE IN THE 70S. A COLD FRONT WILL MOVE SOUTH ACROSS INDIANA LATE TONIGHT AND DURING THE DAY ON MONDAY. THE FRONT WILL BE ACROSS CENTRAL INDIANA BY MID DAY...KEEPING TEMPERATURES COOLER AND DROPPING HUMIDITY VALUES. HIGH TEMPERATURES MONDAY WILL REACH THE LOWER AND MIDDLE 90S IN THE SOUTH WITH HUMIDITIES AROUND 60 PERCENT. USE EXTREME CAUTION WHEN DOING ANY TYPE OF OUTDOOR ACTIVITIES. DRINK PLENTY OF FLUIDS AND TAKE FREQUENT BREAKS IN THE SHADE OR INDOORS. PROVIDE PLENTY OF SHADE AND WATER FOR OUTDOOR PETS. LASHLEY
Special weather statement, Jul 27, 4:07 PM EST, 19 minutes before
INZ003>009-012>018-020>075-080>082-085>088-290000- SPECIAL WEATHER STATEMENT FOR HEAT ADVISORY NATIONAL WEATHER SERVICE INDIANAPOLIS IN 406 PM EST SUN JUL 27 1997 ...HEAT ADVISORY CONTINUES THROUGH MONDAY FOR SOUTHERN INDIANA... ...HEAT ADVISORY CANCELLED FOR CENTRAL INDIANA FOR MONDAY... HOT AND HUMID AIR WILL CONTINUE OVER SOUTHERN INDIANA ON MONDAY... KEEPING HEAT INDEX VALUES IN THE 105 TO 110 RANGE. CLOUDS AND LESS HUMIDITY OVER CENTRAL INDIANA WILL KEEP VALUES FROM REACHING ADVISORY CRITERIA OF 105...THEREFORE THE ADVISORY HAS BEEN CANCELLED FOR CENTRAL INDIANA ON MONDAY. WARM AND HUMID AIR WILL REMAIN OVER MUCH OF THE STATE TONIGHT. RAIN COOLED AIR FROM THUNDERSTORMS MAY COOL THE AIR IN MANY AREAS. HEAT INDEX VALUES OVERNIGHT WILL BE IN THE 70S. A COLD FRONT WILL MOVE SOUTH ACROSS INDIANA LATE TONIGHT AND DURING THE DAY ON MONDAY. THE FRONT WILL BE ACROSS CENTRAL INDIANA BY MID DAY...KEEPING TEMPERATURES COOLER AND DROPPING HUMIDITY VALUES. HIGH TEMPERATURES MONDAY WILL REACH THE LOWER AND MIDDLE 90S IN THE SOUTH WITH HUMIDITIES AROUND 60 PERCENT. USE EXTREME CAUTION WHEN DOING ANY TYPE OF OUTDOOR ACTIVITIES. DRINK PLENTY OF FLUIDS AND TAKE FREQUENT BREAKS IN zTHE SHADE OR INDOORS. PROVIDE PLENTY OF SHADE AND WATER FOR OUTDOOR PETS. LASHLEY
Local storm report, Jul 27, 4:10 PM EST, 16 minutes before
PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 407 PM EST SUN JUL 27 1997 TIME (EST) .....CITY LOCATION.....STATE ...EVENT... DATE ....COUNTY LOCATION.... ...REMARKS... 0345 PM 91ST MERIDIAN INDIANPLS IN WIND DAMAGE 07/27/97 MARION TREE DOWN
Local storm report, Jul 27, 4:16 PM EST, 10 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTION NATIONAL WEATHER SERVICE INDIANAPOLIS IN 416 PM EST SUN JUL 27 1997 TIME (EST) .....CITY LOCATION.....STATE ...EVENT... DATE ....COUNTY LOCATION.... ...REMARKS... 0345 PM 91ST MERIDIAN INDIANPLS IN WIND DAMAGE 07/27/97 MARION TREE LIMB NOT TREE
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 10:05 PM EST | Severe Thunderstorm Warning | IND | Miami | 40 min |
| Jul 27, 2:47 PM EST | Severe Thunderstorm Warning | IND | Clinton | 58 min |
| Jul 27, 3:50 PM EST | Severe Thunderstorm Warning | IND | Rush | 40 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.