Alert archive / Michigan / Flash Flood Warnings in 1996
Flash Flood Warning 4, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this flash flood warning at May 10, 1996, 12:11 AM EDT for Berrien County, Cass County, Michigan. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 10, 1996, 12:11 AM EDT (04:11 UTC)
- Expired
- May 10, 1996, 3:15 AM EDT
- In force
- 3 hr
- Issued by
- NWS Grand Rapids, MI
- Area
- Whole counties
Counties Berrien County, MI, Cass County, MI
The nearest sounding before it
Detroit, MI (KDTX), launched 00:00Z, 4.2 hours before the alert went out and 245 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
- 610 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 534 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 200 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KGRR 100415 COR FFWGRR MIC021-027-100715- BULLETIN - EAS ACTIVATION REQUESTED...CORRECTED FLOOD WARNING NATIONAL WEATHER SERVICE GRAND RAPIDS MI 1211 AM EDT FRI MAY 10 1996 THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 300 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST LOWER MICHIGAN ...CENTRAL AND SOUTHERN BERRIEN COUNTY...CASS COUNTY AT 1210 AM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR HAD ESTIMATED RAINFALL AMOUNTS OF 1 TO 2 INCHES ACROSS THE SOUTHERN HALF OF BERRIEN AND CASS COUNTIES SINCE 1100 PM. FLOODING OF STREETS AND LOW LYING AREAS HAS BEEN REPORTED AROUND THE COMMUNITIES OF BRIDGEMAN... GLENDORA... AND NILES IN BERRIEN COUNTY. EXTENSIVE FLOODING OF SAWYER ROAD IN SAWYER HAS BEEN REPORTED. A LINE OF THUNDERSTORMS EXTENDING BACK INTO NORTHERN ILLINOIS WILL CONTINUE TO TRACK ACROSS BERRIEN AND CASS COUNTIES THROUGH 300 AM... WITH ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES POSSIBLE ACROSS THESE COUNTIES. THIS WILL CONTINUE TO RESULT IN FLOODING PROBLEMS ACROSS BERRIEN AND CASS COUNTIES THROUGH THE OVERNIGHT HOURS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROAD. THE WATER DEPTH MAY BE TOO GREAtT TO ALLOW YOU TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY... AND YOU SHOULD MOVE TO HIGHER GROUND. TRH
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
Local storm report, May 9, 7:03 PM EDT, 5 hours 8 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
651 PM EDT THU MAY 09 1996
...SEVERE WEATHER AND OTHER SIGNIFICANT STORM REPORTS FOR
WEDNESDAY EVENING...MAY 9 1996...
TIME(EDT) .....LOCATION..... STATE ...EVENT/REMARKS...
455 PM 3 WEST OF MOTTVILLE MI ONE INCH HAIL
CASS COUNTY
505 PM CONSTANTINE MI ONE INCH HAIL
ST JOSEPH COUNTY
515 PM CENTREVILLE MI ONE INCH HAIL
ST JOSEPH COUNTY
515 PM WHITE PIGEON MI GOLF BALL HAIL
ST JOSEPH COUNTY
545 PM HILLSDALE MI MARBLE SIZE HAIL
HILLSDALE COUNTY 1.5* INCHES /STREET FLOODING
...W MARINO...Local storm report, May 9, 7:11 PM EDT, 5 hours before
STORM REPORT CORRECTED
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
711 PM EDT THU MAY 09 1996
...SEVERE WEATHER AND OTHER SIGNIFICANT STORM REPORTS FOR
WEDNESDAY EVENING...MAY 9 1996...
TIME(EDT) .....LOCATION..... STATE ...EVENT/REMARKS...
455 PM 3 WEST OF MOTTVILLE MI ONE INCH HAIL
CASS COUNTY
505 PM CONSTANTINE MI ONE INCH HAIL
ST JOSEPH COUNTY
515 PM CENTREVILLE MI ONE INCH HAIL
ST JOSEPH COUNTY
515 PM WHITE PIGEON MI GOLF BALL HAIL
ST JOSEPH COUNTY
534 PM HILLSDALE MI MARBLE SIZE HAIL
HILLSDALE COUNTY > 1.5 INCHES /STREET FLOODING
CORRECTED TO TIME OF HILLSDALE SEVERE WEATHER
...W MARINO...Special weather statement, May 9, 7:23 PM EDT, 4 hours 48 minutes before
MIZ081-100100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAND RAPIDS MI 723 PM EDT THU MAY 9 1996 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 200 AM EDT FOR HILLSDALE COUNTY IN SOUTH CENTRAL LOWER MICHIGAN... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH... IN EFFECT UNTIL 200 AM EDT... FOR HILLSDALE COUNTY IN SOUTH CENTRAL LOWER MICHIGAN. A FEW COMMUNITIES INCLUDED IN THE WATCH ARE HILLSDALE AND MONTGOMERY. AT 720 PM EDT... DOPPLER RADAR INDICATED A LINE OF STRONG TO SEVERE THUNDERSTORMS FROM NEAR DETROIT SOUTHWEST TO NEAR LAFAYETTE IN INDIANA. THIS LINE OF STORMS WAS MOVING TO THE EAST AT ABOUT 35 MPH... AND WILL AFFECT SOUTHEAST LOWER MICHIGAN OVER THE NEXT FEW HOURS. SHOWERS... AND A FEW IMBEDDED THUNDERSTORMS WERE OCCURRING ACROSS HILLSDALE COUNTY... BUT NONE OF THESE WERE SEVERE. SCATTERED SHOWERS AND THUNDERSTORMS WILL PERSIST THROUGH THE EVENING... AND STRONGER STORMS COULD DEVELOP OR MOVE BACK INTO THE AREA LATER THIS EVENING. A SEVERE THUNDERSTORM WATCH MEANS SEVERE THUNDERSTORMS ARE POSSIBLE IN AND NEAR THE WATCH AREA. BE ON THE WATCH FOR THREATENING WEATHER AND LISTEN TO NOAA WEATHER RADIO... COMMERCIAL RADIO OR TELEVISION FbOR FURTHER INFORMATION. TRH
Special weather statement, May 9, 8:26 PM EDT, 3 hours 45 minutes before
MIZ081-100100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAND RAPIDS MI 826 PM EDT THU MAY 9 1996 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 200 AM EDT FOR HILLSDALE COUNTY IN SOUTH CENTRAL LOWER MICHIGAN... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM EDT FOR HILLSDALE COUNTY IN SOUTH CENTRAL LOWER MICHIGAN. A FEW COMMUNITIES INCLUDED IN THE WATCH ARE HILLSDALE AND MONTGOMERY. AT 825 PM EDT... DOPPLER RADAR INDICATED A LINE OF STRONG TO SEVERE THUNDERSTORMS FROM NORTHEAST OF DETROIT SOUTHWEST TO NEAR FORT WAYNE IN INDIANA. THIS LINE OF STORMS WAS MOVING TO THE EAST AT ABOUT 35 MPH... AND WILL EXIT LOWER MICHIGAN BY 900 PM. ANOTHER AREA OF THUNDERSTORMS WAS DEVELOPING FROM NEAR SOUTH BEND WEST TO SOUTH OF CHICAGO. THESE STORMS WERE ALSO MOVING EAST... WHICH SHOULD KEEP THEM SOUTH OF THE BORDER... BUT ANY NORTHWARD MOVEMENT COULD BRING THEM INTO HILLSDALE COUNTY AFTER 900 PM. A SEVERE THUNDERSTORM WATCH MEANS SEVERE THUNDERSTORMS ARE POSSIBLE IN AND NEAR THE WATCH AREA. BE ON THE WATCH FOR THREATENING WEATHER AND LISTEN TO NOAA WEATHER RADIO... COMMERCIAL RADIO OR TELEVISION FOR FURTHER INFORMATION. TRH
Special weather statement, May 9, 9:00 PM EDT, 3 hours 11 minutes before
MIZ081-100200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAND RAPIDS MI 855 PM EDT THU MAY 9 1996 ...SEVERE THUNDERSTORM WATCH CANCELLED FOR HILLSDALE COUNTY... THE SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT FOR HILLSDALE COUNTY IN SOUTH CENTRAL LOWER MICHIGAN HAS BEEN CANCELLED. THE COMPLEX OF THUNDERSTORMS WHICH PROMPTED THE WATCH HAVE MOVED EAST AND OUT OF LOWER MICHIGAN. THESE STORMS PRODUCED 1/2 TO 1 INCH HAIL ACROSS PORTIONS OF SOUTHWEST... SOUTH CENTRAL... AND SOUTHEAST LOWER MICHIGAN LATE THIS AFTERNOON AND EARLY THIS EVENING. ANOTHER AREA OF THUNDERSTORMS IS CURRENTLY DEVELOPING ACROSS NORTHERN ILLINOIS AND NORTHWEST INDIANA. THESE STORMS SHOULD MOVE EAST AND STAY SOlUTH OF THE BORDER. HOWEVER... A THIRD AREA OF STORMS OVER EASTERN IOWA COULD MOVE INTO SOUTHERN LOWER MICHIGAN AFTER MIDNIGHT. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION. TRH
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 12:03 AM EDT | Severe Thunderstorm Warning | GRR | Berrien | 42 min |
| May 10, 3:08 AM EDT | Flash Flood Warning | GRR | Berrien, Cass | 5 hr |
| May 10, 8:30 AM EDT | Flash Flood Warning | GRR | Berrien, Cass | 7 hr |
| May 10, 2:40 PM EDT | Flash Flood Warning | GRR | Berrien, Cass | 6 hr |
Nearby
Flash Flood Warnings in Michigan, 1996Every flash flood warning in 1996
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.