Alert archive / Indiana / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 99, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 9, 1990, 8:29 PM EST for Montgomery County, Indiana. It was in force for 46 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
- Jul 9, 1990, 8:29 PM EST (01:29 UTC)
- Expired
- Jul 9, 1990, 9:15 PM EST
- In force
- 46 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Montgomery County, IN
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 9, 8:30 PM EST | Thunderstorm Wind 0 | Montgomery, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Dayton/James M C, OH (KDAY), launched 00:00Z, 1.5 hours before the alert went out and 230 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
- 732 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 696 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KIND 100131
SVRIND
INC107-100215-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
829 PM EST MON JUL 9 1990
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 915 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN WEST CENTRAL INDIANA
...SOUTHERN MONTGOMERY
WEATHER SERVICE RADAR AT 826 PM INDICATED A SEVERE THUNDERSTORM JUST
SOUTHWEST OF CRAWFORDSVILLE. THE THUNDERSTORM WAS MOVING SOUTHEAST AT
25 MILES PER HOUR TOWARD THE AREA BETWEEN NEW MARKET AND WHITESVILLE.
PEOPLE IN THE PATH OF THE STORM SHOULD TAKE COVER IMMEDIATLEY.
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T 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, Jul 9, 6:06 PM EST, 2 hours 23 minutes before
INZALL>-100200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 605 PM EST MON JUL 9 1990 A SEVERE THUUNDERSTORM WATCH IS NO LONGER IN EFFECT FOR THAT PART OF INDIANA NORTH OF A LINE FROM 10 MILES NORTH OF LAFAYETTE TO 10 MILES NORTH OF FORT WAYNE. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR CENTRAL INDIANA UNTIL 900 PM EST. THE WATCH AREA IS SOUTH OF A LINE FROM 10 MILES NORTH OF LAFAYETTE TO 10 MILES NORTH OF FOR3T WAYNE AND NORTH OF A LINE FROM TERRE HAUTE TO 40 MILES SOUTH OF RICHMOND. MPD
Local storm report, Jul 9, 6:13 PM EST, 2 hours 16 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
613 PM EST MON JUL 9 1990
510 PM EST TREES, LIGHTPOLES, AND POWER LINES DOWN NEAR LYNN IN
SOUTHERN RANDOLPH COUNTY. A TRANSFORMER EXPLOD7ED WHEN
A POLE FELL, AND A FALLEN POWER LINE SET FIRE TO A TREE.
REPORT FROM THE RANDOLPH COUNTY POLICE.
MPDSpecial weather statement, Jul 9, 6:34 PM EST, 1 hour 55 minutes before
INZ009-100030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 631 PM EST MON JUL 9 1990 THE SEVERE THUNDERSTORM WARNING FOR BOONE COUNTY HAS EXPIRED. AT 625 PM EST VERY STRONG THUNDERSTORMS WERE STILL OVER PORTIONS OF BOONE COUNTY. BRIEF PERIODS OF VERY HEAVY RAIN COULD STILL CAUSE LOCAL FLOODING OF SMALL STREAMS AND STREETS. OTHER STRONG THUNDERSTORMS WERE IN CENTRAL INDIANA FROM NEAR INDIANAPOLIS WEST TO CENTRAL HENDRICKZS COUNTY AND THEN NORTH TO AROUND LAFAYETTE. STRONG THUNDERSTORMS WERE ALSO MOVING INTO WESTERN HAMILTON COUNTY. PRICE
Special weather statement, Jul 9, 6:54 PM EST, 1 hour 35 minutes before
INZ005-007-009-010>-100100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 650 PM EST MON JUL 9 1990 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR CENTRAL INDIANA UNTIL 900 PM EST. THE WATCH AREA IS SOUTH OF A LINE FROM 10 MILES NORTH OF LAFAYETTE TO 10 MILES NORTH OF FORT WAYNE...AND NORTH OF A LINE FROM TERRE HAUTE TO 40 MILES SOUTH OF RICHMOND. AT 645 PM EST VERY STRONG THUNDERSTORMS WERE FROM ABOUT 10 MILES SOUTH OF LAFAYETTE SOUTHEAST TO 20 MILES NORTHWEST OF INDIANAPOLIS AND THEN TO 25 MILES NORTH OF INDIANAPOLIS...THIS IS IN NORTHERN MONTGOMERY... BOONE...SOUTHERN CLINTON...HAMILTON...AND WESTERN MADISON COUNTIES. AT 647 PM EST THE BOONE COUNTY SHERIFFS OFFICE REPORTED VERY HEAVY RAIN IN LEBANON. SCATTERED SHOWERS AND THUNDERSTORMS WERE ALSO BETWEEN INDIANAPOLIS AND TERRE HAUTE. . PRICE
Special weather statement, Jul 9, 7:29 PM EST, 1 hour before
INZALL>-100200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 726 PM EST MON JUL 9 1990 THE SEVERE THUUNDERSTORM WATCH IS NO LONGER IN EFFECT FOR THAT PART OF INDIANA NORTH OF A LINE FROM LAFAYETTE TO MUNCIE. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR CENTRAL INDIANA UNTIL 900 PM EST. THE WATCH AREA IS SOUTH OF A LINE FROM LAFAYETTE TO MUNCIE AND NORTH OF A LINE FROM TERRE HAUTE TO 40 MILES SOUTH OF RICHMOND. AT 724 PM EST STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WERE OVER PARTS OF MONTGOMERY AND BOONE COUNTIES. STRONG THUNDERSTORMS WERE ALSO MOVING OUT OF EAST CENTRAL ILLINOIS INTO WARREN COUNTY. PRICE
Special weather statement, Jul 9, 7:46 PM EST, 43 minutes before
INZ009>-100142- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 742 PM EST MON JUL 9 1990 AT 738 PM EST THE PUBLIC REPORTED WINDS ESTIMATED AT AROUND 50 MILES AN HOUR ALONG WITH VERY HEAVY RAIN AND SOME POWER OUTAGES FROM 56TH STREET TO 79TH STREET IN NORTHERN MARION COUNTY. AT 739 PM EST AMATEUR RADIO OPERATORS REPORTED WINDS ESTIMATED AT AROUND 50 MILES AN HOUR ALONG 79TH STREET IN NORTHEAST INDIANAPOLIS AND POWER OUTAGES IN THAT AREA ALSO. PRICE
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 7:06 PM EST | Flash Flood Warning | IND | Montgomery | 3 hr |
| Jul 9, 7:55 PM EST | Severe Thunderstorm Warning | IND | Fountain, Montgomery | 50 min |
| Jul 9, 7:58 PM EST | Severe Thunderstorm Warning | IND | Marion | 32 min |
| Jul 9, 8:51 PM EST | Severe Thunderstorm Warning | IND | Benton | 54 min |
| Jul 9, 10:19 PM EST | Flash Flood Warning | IND | Montgomery | 3 hr |
| Jul 9, 10:50 PM EST | Flash Flood Warning | IND | Fountain | 2 hr |
Nearby
Severe Thunderstorm Warnings in Indiana, 1990Every severe thunderstorm warning in 1990
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.