Alert archive / Michigan / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 74, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at May 30, 1991, 9:08 PM EDT for Berrien County, Michigan. It was in force for 37 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
- May 30, 1991, 9:08 PM EDT (01:08 UTC)
- Expired
- May 30, 1991, 9:45 PM EDT
- In force
- 37 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Berrien County, MI
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 30, 9:25 PM EDT | Thunderstorm Wind 0 | Berrien, MI |
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
Detroit, MI (KFNT), launched 00:00Z, 1.1 hours before the alert went out and 262 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
- 1002 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1381 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.0
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, 4:16 PM EDT, 4 hours 52 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....
Special weather statement, May 30, 5:52 PM EDT, 3 hours 16 minutes before
INZALL-302250- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 450 PM EST WED MAY 29 1991 A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR ELKHART AND ST. JOSEPH COUNTIES IN NORTH CENTRAL INDIANA UNTIL 530 PM EST. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM EST FOR THAT PART OF INDIANA NORTH OF A LINE FROM 35 MILES NORTHWEST OF TERRE HAUTE TO 15 MILES NORTH OF RICHMOND. SOME CITIES INCLUDED IN THE WATCH ARE SOUTH BEND...FORT WAYNE...KOKOMO ...LAFAYETTE...MUNCIE...PLYMOUTH AND LOGANSPORT. AT 450 PM EST NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF THUNDERSTORMS IN FAR NORTHERN INDIANA. THE THUNDERSTORMS EXTENDED FROM 30 MILES NORTH OF FORT WAYNE TO SOUTH BEND...AND THEN SOUTHWEST TO MORROCO...WHICH IS 45 MILES NORTHWEST OF LAFAYETTE. . THERE WAS ALSO AN ISOLATED THUNDERSTORM IN EAST CENTRAL ILLINOIS ABOUT 20 MILES SOUTHWEST OF DANVILLE ILLINOIS. THE STRONGEST THUNDERSTORMS WERE IN THE SOUTH BEND IN%DIANA AREA. ALL OF THE THUNDERSTORMS WERE MOVING EAST AT 20 MPH. PEOPLE IN NORTHERN INDIANA SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER CONDTIONS...AND BE PREPARED TO TAKE SHELTER IF THREATENING WEATHER APPROACHES. HARLEY
Special weather statement, May 30, 6:45 PM EDT, 2 hours 23 minutes before
INZALL-302345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 542 PM EST THU MAY 30 1991 SEVERE THUNDERSTORM WARNINGS ARE IN EFFECT FOR SOUTHERN STARKE COUNTY INDIDNA UNTIL 6 PM EST...AND KOSCUISKO COUNTY INDIANA UNTIL 545 PM EST. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM EST FOR THAT PART OF INDIANA NORTH OF A LINE FROM 35 MILES NORTHWEST OF TERRE HAUTE TO 15 MILES NORTH OF RICHMOND. SOME CITIES INCLUDED IN THE WATCH ARE SOUTH BEND...FORT WAYNE...KOKOMO ...LAFAYETTE...MUNCIE...PLYMOUTH AND LOGANSPORT. AT 540 PM EST NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF THUNDERSTORMS IN FAR NORTHERN INDIANA. THE THUNDERSTORMS EXTENDED FROM 20 MILES NORTHEAST OF FORT WAYNE...TO 20 MILES SOUTH OF SOUTH BEND ...TO FRANCESVILLE...WHICH IS 40 MILES NORTH OF LAFAYETTE. . AN ISOLATED THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED JUST WEST OF LAFAYTTE. THIS THUNDERSTORM WILL MOVE TO NEAR NEAR ROSSVILLE BY 615 PM EST. THIS STORM MAY PRODUCE SOME SMALL HAIL...ALONG WITH GUSTY WINDS...AND FREQUENT LIGHTNING. OTHER ISOLATED THUNDERSTORMS WERE NEAR CRAWFORDSVILLE INDIANA...AND NEAR DANVILLE ILLINOIS. ALL OF THE THUNDERSTORMS WERE MOVING EAST AT 30 MPH. c PEOPLE IN NORTHERN INDIANA SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER CONDTIONS...AND BE PREPARED TO TAKE SHELTER IF THREATENING WEATHER APPROACHES. HARLEY
Special weather statement, May 30, 6:50 PM EDT, 2 hours 18 minutes before
INZALL-302345- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE INDIANAPOLIS IN 542 PM EST THU MAY 30 1991 SEVERE THUNDERSTORM WARNINGS ARE IN EFFECT FOR SOUTHERN STARKE COUNTY INDIDNA UNTIL 6 PM EST...AND KOSCUISKO COUNTY INDIANA UNTIL 545 PM EST. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM EST FOR THAT PART OF INDIANA NORTH OF A LINE FROM 35 MILES NORTHWEST OF TERRE HAUTE TO 15 MILES NORTH OF RICHMOND. SOME CITIES INCLUDED IN THE WATCH ARE SOUTH BEND...FORT WAYNE...KOKOMO ...LAFAYETTE...MUNCIE...PLYMOUTH AND LOGANSPORT. AT 540 PM EST NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF THUNDERSTORMS IN FAR NORTHERN INDIANA. THE THUNDERSTORMS EXTENDED FROM 20 MILES NORTHEAST OF FORT WAYNE...TO 20 MILES SOUTH OF SOUTH BEND ...TO FRANCESVILLE...WHICH IS 40 MILES NORTH OF LAFAYETTE. . AN ISOLATED THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED JUST WEST OF LAFAYETTE. THIS THUNDERSTORM WILL MOVE TO NEAR ROSSVILLE BY 615 PM EST. THIS STORM MAY PRODUCE SOME SMALL HAIL...ALONG WITH GUSTY WINDS...AND FREQUENT LIGHTNING. OTHER ISOLATED THUNDERSTORMS WERE NEAR CRAWFORDSVILLE INDIANA...AND NEAR DANVILLE ILLINOIS. ALL OF THE THUNDERSTORMS WERE MOVING EAST AiT 30 MPH. PEOPLE IN NORTHERN INDIANA SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER CONDTIONS...AND BE PREPARED TO TAKE SHELTER IF THREATENING WEATHER APPROACHES. HARLEY ...CORRECTED TYPOS...
Special weather statement, May 30, 7:29 PM EDT, 1 hour 39 minutes before
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</head>
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<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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<p id="message2">
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</html>The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 5:16 PM EDT | Severe Thunderstorm Warning | IND | LaPorte | 44 min |
| May 31, 6:16 PM EDT | Tornado Warning | IND | Saint Joseph | 29 min |
| May 31, 6:59 PM EDT | Severe Thunderstorm Warning | IND | LaPorte | 31 min |
| May 31, 7:40 PM EDT | Severe Thunderstorm Warning | IND | LaPorte, Starke | 50 min |
| May 31, 7:42 PM EDT | Flash Flood Warning | IND | Saint Joseph | 2 hr |
| May 31, 5:21 PM EDT | Severe Thunderstorm Warning | IND | Berrien | 54 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 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.