Alert archive / Indiana / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 69, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at May 30, 1991, 3:51 PM EST for Elkhart County, Indiana. It was in force for 54 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
- May 30, 1991, 3:51 PM EST (20:51 UTC)
- Expired
- May 30, 1991, 4:45 PM EST
- In force
- 54 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Elkhart County, IN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 30, 4:05 PM EST | Hail 0.75 | Elkhart, IN | |
| May 30, 4:48 PM EST | Thunderstorm Wind 60 | Elkhart, 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, 8.9 hours before the alert went out and 235 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
- 2046 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 618 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, May 30, 3:11 PM EST, 40 minutes before
INZALL-310200- AREAL OUTLINE FOR SEVERE THUNDERSTORM WATCH NUMBER 437 NATIONAL WEATHER SERVICE INDIANAPOLIS IN 310 PM EST THU MAY 30 1991 IN INDIANA THUNDERSTORM WATCH NUMBER 437 IS IN EFFECT UNTIL 900 PM EST AND INCLUDES THAT PART OF INDIANA... FROM 35 MILES NORTHWEST OF TERRE HAUTE TO 15 MILES NORTH OF RICHMOND. SOME CITIES INCLUDED ARE... SOUTH BEND...FORT WAYNE...KOKOMO... LAFAYETTE...MUNCIE...PLYMONTH AND LOGANSPORT. RE3MEMBER...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.
Special weather statement, May 30, 3:16 PM EST, 35 minutes before
INZALL-310200- AREAL OUTLINE FOR SEVERE THUNDERSTORM WATCH NUMBER 437 NATIONAL WEATHER SERVICE INDIANAPOLIS IN 310 PM EST THU MAY 30 1991 IN INDIANA SEVERE THUNDERSTORM WATCH NUMBER 437 IS IN EFFECT UNTIL 900 PM EST AND INCLUDES ALL OF INDIANA NORTH OF A LINE FROM 35 MILES NORTHWEST OF TERRE HAUTE TO 15 MILES NORTH OF RICHMOND. SOME CITIES INCLUDED ARE... SOUTH BEND...FORT WAYNE...KOKOMO... LAFAYETTE...MUNCIE...PLYMONTH AND LOGANSPORT. 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. @ ...CORRECTION TO ADD NORTH OF A LINE....
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 3:37 PM EST | Severe Thunderstorm Warning | IND | Saint Joseph | 53 min |
| May 30, 4:28 PM EST | Severe Thunderstorm Warning | IND | Elkhart, Saint Joseph | 62 min |
| May 30, 4:58 PM EST | Severe Thunderstorm Warning | IND | Kosciusko | 47 min |
| May 30, 5:01 PM EST | Severe Thunderstorm Warning | IND | Elkhart, Saint Joseph | 44 min |
| May 30, 5:16 PM EST | Severe Thunderstorm Warning | IND | Starke | 44 min |
| May 30, 6:16 PM EST | Flash Flood Warning | IND | Starke | 119 min |
| May 30, 6:16 PM EST | Flash Flood Warning | IND | Elkhart, Kosciusko, Marshall | 119 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 1991Every severe thunderstorm warning in 1991
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.