Alert archive / Michigan / Flash Flood Warnings in 1991
Flash Flood Warning 12, NWS Indianapolis, IN
NWS Indianapolis, IN issued this flash flood warning at May 31, 1991, 8:18 PM EST for Elkhart County, Saint Joseph County, Indiana; Berrien County, Cass County, Saint Joseph County, Michigan. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- May 31, 1991, 8:18 PM EST (01:18 UTC)
- Expired
- May 31, 1991, 11:15 PM EST
- In force
- 3 hr
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties Elkhart County, IN, Saint Joseph County, IN, Berrien County, MI, Cass County, MI, Saint Joseph County, MI
The nearest sounding before it
Dayton/James M C, OH (KDAY), launched 00:00Z, 1.3 hours before the alert went out and 260 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
- 1821 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1293 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 flash flood 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 31, 3:30 PM EST, 4 hours 48 minutes before
INZALL-010300- AREAL OUTLINE FOR SEVERE THUNDERSTORM WATCH NUMBER 449 NATIONAL WEATHER SERVICE INDIANAPOLIS IN 330 PM EST FRI MAY 31 1991 IN INDIANA SEVERE THUNDERSTORM WATCH NUMBER 449 IS IN EFFECT UNTIL 1000 PM EST AND INCLUDES THAT PART OF INDIANA... NORTH OF A LINE FROM 10 MILES NORTHWEST OF VALPARAISO IN PORTER COUNTY TO ANGOLA IN STEUBEN COUNTY. SOME CITIES INCLUDED ARE... SOUTH BEND...LAGRANGE...LA PORTE AND GOSHEN. 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.
Special weather statement, May 31, 5:31 PM EST, 2 hours 47 minutes before
INZALL-010300- AREAL OUTLINE FOR SEVERE THUNDERSTORM WATCH NUMBER 451 NATIONAL WEATHER SERVICE INDIANAPOLIS IN 525 PM EST FRI MAY 31 1991 IN INDIANA SEVERE THUNDERSTORM WATCH NUMBER 451 IS IN EFFECT UNTIL 1000 PM EST AND INCLUDES THAT PART OF INDIANA... NORTH OF A LINE FROM LAFAYETTE TO 10 MILES NORTH OF MUNCIE. SOME CITIES INCLUDED ARE... LAFAYETTE...LOGANSPORT...FORT WAYNE... KOKOMO...MARION...SOUTH BEND. 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. KOLDITZ
Special weather statement, May 31, 6:01 PM EST, 2 hours 17 minutes before
INZ000-010000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 600 PM EST FRI MAY 31 1991 A SEVERE THUNDERSTORM WATCH WAS ISSUED FOR NORTHERN INDIANA AND WILL BE IN EFFECT UNTIL 10 PM EST THIS EVENING. THE AREA AFFECTED WAS NORTH OF A LINE FROM LAFAYETTE TO ABOUT 10 MILES NORTH OF MUNCIE. AT 650 PM EST A LINE OF STRONG THUNDERSTORMS WERE IN EXTREME NORTHERN NORTHERN INDIANA AND EXTENDED FROM CROWN POINT IN CENTRAL LAKE COUNTY TO SOUTH BEND AND ANGOLA. THE STRONGEST STORMS WERE 7 MILES EAST OF VALPARAISO IN PORTER COUNTY AND ALSO 5 MILES SOUTHEAST OF CROWN POINT. THESE STORMS WERE MOVING SOUTH OF EAST AT 25 MILES AN HOUR AND SHOULD BE AT WANATAH IN WEST-CENTRAL PORTER COUNTY AND JUST NORTH OF HEBRON IN SOUTHEAST LAKE COUNTY BY 615 PM EST. PERSONS IN NORTHERN INDIANA SHOULD BE ALERT FOR THREATENING WEATHER CONDITIONS. REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. KOLDITZ
Special weather statement, May 31, 6:08 PM EST, 2 hours 10 minutes before
INZ000-010000- SPECIAL WEATHER STATEMENT...CORRECTED FOR TIME SCND PARGRPH... NATIONAL WEATHER SERVICE INDIANAPOLIS IN 600 PM EST FRI MAY 31 1991 A SEVERE THUNDERSTORM WATCH WAS ISSUED FOR NORTHERN INDIANA AND WILL BE IN EFFECT UNTIL 10 PM EST THIS EVENING. THE AREA AFFECTED WAS NORTH OF A LINE FROM LAFAYETTE TO ABOUT 10 MILES NORTH OF MUNCIE. AT 550 PM EST A LINE OF STRONG THUNDERSTORMS WERE IN EXTREME NORTHERN INDIANA AND EXTENDED FROM CROWN POINT IN CENTRAL LAKE COUNTY TO SOUTH BEND AND ANGOLA. THE STRONGEST STORMS WERE 7 MILES EAST OF VALPARAISO IN PORTER COUNTY AND ALSO 5 MILES SOUTHEAST OF CROWN POINT. THESE STORMS WERE MOVING SOUTH OF EAST AT 25 MILES AN HOUR AND SHOULD BE AT WANATAH IN WEST-CENTRAL PORTER COUNTY AND JUST NORTH OF HEBRON IN SOUTHEAST LAKE COUNTY BY 615 PM EST. PERSONS IN NORTHERN INDIANA SHOULD BE ALERT FOR THREATENING WEATHER CONDITIONS. REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. KOLDITZ
Special weather statement, May 31, 7:50 PM EST, 28 minutes before
INZ000-010145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 748 PM EST FRI MAY 31 1991 SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHERN INDIANA UNTIL 10 PM EST. A FLASH FLOOD WATCH IS IN EFFECT FOR EXTREME NORTHERN INDIANA UNTIL 10 PM EST. AT 740 PM EST STRONG THUNDERSTORMS EXTENDED FROM 30 MILES WEST OF LAFAYETTE TO 30 MILES SOUTH OF SOUTH BEND INDIANA. THESE STORMS WERE MOVING SOUTHEAST AT 20 MPH. WINDS OF 40 TO 45 MPH WERE REPORTED WITH THESE STORMS IN ROCHESTER INDIANA...25 MILES NORTHEAST OF LOGANSPORT. THESE STORMS WILL MOVE INTO THE LOGANSPORT AND LAFAYETTE AREAS BY 9 PM. IN ADDITION TO STRONG WINDS...THESE STORMS MAY CONTAIN HEAVY RAIN AND SMALL H.AIL.
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 8:18 PM EST | Flash Flood Warning | IND | LaPorte, Marshall, Starke | 3 hr |
| May 31, 8:56 PM EST | Severe Thunderstorm Warning | IND | Hamilton, Hancock | 34 min |
| May 31, 10:17 PM EST | Severe Thunderstorm Warning | IND | Wayne | 33 min |
| May 31, 10:52 PM EST | Severe Thunderstorm Warning | IND | Wayne | 53 min |
Nearby
Flash Flood Warnings in Michigan, 1991Flash Flood Warnings in Indiana, 1991Every flash flood 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; the sounding from the Mesonet's radiosonde archive.