Alert archive / Indiana / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 92, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 9, 1990, 4:10 PM EST for Boone County, Montgomery County, Indiana. It was in force for 35 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
- Jul 9, 1990, 4:10 PM EST (21:10 UTC)
- Expired
- Jul 9, 1990, 4:45 PM EST
- In force
- 35 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties Boone County, IN, 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, 4:20 PM EST | Thunderstorm Wind 0 | Montgomery, IN | |
| Jul 9, 4:31 PM EST | Thunderstorm Wind 0 | Boone, 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 12:00Z, 9.2 hours before the alert went out and 212 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
- 1078 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 1196 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KIND 092112
SVRIND
INC011-107-092145-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
410 PM EST MON JUL 9 1990
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 445 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN CENTRAL INDIANA
...NORTHERN BOONE...NORTHEAST MONTGOMERY
AT 407 PM EST...NATIONAL WEATHER SERVICE RADAR SHOWED A SEVERE
THUNDERSTORM ABOUT 15 MILES SOUTHEAST OF LAFAYETTE. THE THUNDERSTORM
WAS MOVING EAST SOUTHEAST AT 35 MILES PER HOUR TOWARD THE TOWNS OF
BOWERS...LEBANON...AND MECHANICSBURG IN MONTGOMERY AND BOONE COUNTIES.
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.
MPDWhat 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, 12:37 PM EST, 3 hours 33 minutes before
INZ008>15-091930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1235 PM EST MON JUL 9 1990 TEMPERATURES ACROSS SOUTHWEST AND FAR SOUTHERN INDIANA ARE FORECAST TO REACH THE UPPER 90S TO NEAR 100. THE HIGH TEMPERATURES COMBINED WITH HIGH HUMIDITIES WILL PRODUCE A HEAT INDEX OF 110 TO 115 OVER THE SOUTHWEST AND FAR SOUTHERN INDIANA. TEMPERATURES REACHING THE UPPER 90S ARE AGAIN FORECAST TO TUESDAY OVER THIS AREA. ACROSS CENTRAL INDIANA TEMPERATURES ARE FORECAST TO REACH THE MIDDLE AND UPPER 90S. TEMPERATURES OF THESE VALUES COMBINED WITH HIGH HUMIDITIES WILL PRODUCE A HEAT INDEX OF 105 TO 110 OVER CENTRAL INDIANA THIS AFTERNOON. THE HIGH HEAT INDEX VALUES WILL SIGNIFICANTLY REDUCE THE HUMAN BODY/S ABILITY TO MAINTAIN PROPER INTERNAL TEMPERATURES. PROLONGED EXPOSURE TO THESE CONDITIONS CAN LEAD TO HEAT CRAMPS...HEAT CRAMPS...HEAT EXHAUSTING...HEAT STROKE AND FOR THE OLD AND INFIRM... DEATH. PEOPLE WORKING OUTDOORS...OR THOSE LIVING IN AREAS WITHOUT AIR CONDITIONS...STRENUOUS PHYSICAL ACTIVITY SHOULD BE AVOIDED. FRIENDS AND RELATIVES ARE ADVISED TO CHECK FREQUENTLY ON PERSONS LIVING ALONE. YOUNGER PERSONS WORKING OR PLAYING OUTDOORS ARE FOUND TO BE SUSCEPTIBLE TO HEAT STRESS ALSO. THE HOT SPELL IS CAUSED BY HIGH PRESSURE CENTERED OVER THE SOUTHEAST PART OF THE NATION. ABUNDANT SUNSHINE AND A HUMID SOUTHWEST FLOW FROM THE DEEP SOUTH CONTRIBUTED TO THE POTENTIALLY HAZARDOUS WEATHER CONDITION YIN SOUTHERN INDIANA. PRZYBYLINSKI
Special weather statement, Jul 9, 3:13 PM EST, 57 minutes before
INZ004>010-100200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 313 PM EST MON JUL 9 1990 IN INDIANA THIS SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM EST AND INCLUDES THAT PART OF INDIANA... NORTH OF A LINE FROM 10 WEST OF TERRE HAUTE TO 40 MILES SOUTH OF RICHMOND...AND SOUTH OF A LINE FROM 30 MILES NORTHEAST OF FORT WAYNE TO 40 SOUTH OF GARY. SOME CITIES INCLUDED ARE... FORT WAYNE...INDIANAPOLIS...MUNCIE ...KOKOMO...RICHMOND...ANDERSON...LAFAYETTE AND TERRE HAUTE. REMEMBER...A WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE WEATHER IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. WJG
Special weather statement, Jul 9, 4:03 PM EST, 7 minutes before
INZ004>010-092100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 400 PM EST MON JUL 9 1990 AT 350 PM EST RADAR SHOWED THUNDERTORMS FROM MUNCIE WEST TO LAFAYETTE. THESE STORMS WERE EAST SOUTHEAST AT 30 MILES AN HOUR AND WILL MOVE INTO THE AREA FROM MUNCIE WEST THROUGH ANDERSON...ARCADIA... KIRKLIN...AND LINDEN WHICH IS 10 MILES NORTH OF CRAWFORDSVILLE BY BY 430 PM EST. PEOPLE IN THE PATH OF THESE STORMS SHOULD BE ALE}RT FOR DAMAGING WINDS ...LARGE HAIL AND HEAVY RAIN FALL. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM EST FOR MUCH OF NORTHERN AND CENTRAL INDIANA. WJG
Special weather statement, Jul 9, 4:07 PM EST, 3 minutes before
INZ004>010-092100- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 400 PM EST MON JUL 9 1990 AT 350 PM EST RADAR SHOWED THUNDERTORMS FROM MUNCIE WEST TO LAFAYETTE. THESE STORMS WERE MOVING EAST SOUTHEAST AT 30 MILES AN HOUR AND WILL MOVE INTO THE AREA FROM MUNCIE WEST THROUGH ANDERSON...ARCADIA... KIRKLIN...AND LINDEN WHICH IS 10 MILES NORTH OF CRAWFORDSVILLE BY BY 430 PM EST. PEOPLE IN THE PATH OF THESE STORMS SHOULD BE ALERT FOR DAMAGING WINDS ...LARGE HAIL AND HEAVY RAIN FALL. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM EST FOR MUCH OF NORTHERN AND CENTRAL INDIANA. WJG ADD WORD TO 2ND PARO
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 3:14 PM EST | Severe Thunderstorm Warning | IND | Tipton | 31 min |
| Jul 9, 4:25 PM EST | Severe Thunderstorm Warning | IND | Delaware | 35 min |
| Jul 9, 4:56 PM EST | Severe Thunderstorm Warning | IND | Randolph | 34 min |
| Jul 9, 5:12 PM EST | Severe Thunderstorm Warning | IND | Boone | 33 min |
| Jul 9, 5:43 PM EST | Severe Thunderstorm Warning | IND | Boone | 47 min |
| Jul 9, 6:19 PM EST | Flash Flood Warning | IND | Boone | 3 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.