Alert archive / Michigan / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 13, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this severe thunderstorm warning at May 31, 1989, 5:33 PM EDT for Branch County, Hillsdale County, Michigan. It was in force for 57 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 31, 1989, 5:33 PM EDT (21:33 UTC)
- Expired
- May 31, 1989, 6:30 PM EDT
- In force
- 57 min
- Issued by
- NWS Grand Rapids, MI
- Area
- Whole counties
Counties Branch County, MI, Hillsdale County, MI
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 |
|---|---|---|---|
| May 31, 6:10 PM EDT | Tornado F1 | Branch, 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 12:00Z, 9.6 hours before the alert went out and 146 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 500 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 148 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KLAN 312135
SVRLAN
MIC023-059-312230-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LANSING MI
533 PM EDT WED MAY 31 1989
THE NATIONAL WEATHER SERVICE IN LANSING HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 630 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH CENTRAL MICHIGAN
...BRANCH...HILLSDALE
AT 530 PM EDT RADAR INDICATED A SEVERE THUNDERSTORM IN EASTERN BRANCH
COUNTY 7 MILES EAST COLDWATER...30 MILES SOUTHWEST OF JACKSON MOVING
EAST NORTHEAST AT 45 MPH. THE STORM WILL MOVE TO THE TOWN OF HILLSDALE
BY 6 PM EDT.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADcLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.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 31, 4:38 PM EDT, 55 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LANSING, MI 435 PM EDT WED MAY 31 1989 ...SEVERE THUNDERSTORM WATCH FOR SOUTHERN LOWER MICHIGAN TILL 10 PM... AT 430 PM EDT THUNDERSTORMS WERE AGAIN OVER SOUTHWEST LOWER MICHIGAN... SOME WITH VERY HEAVY RAIN. THESE STORMS WERE MOVING EAST NORTHEAST AT 30 MPH. THUNDERSTORMS WERE 12 MILES SOUTH OF BATTLE CREEK EXTENDING SOUTHWEST TO NEAR SOUTH BEND INDIANA. THESE STORMS WILL MOVE ACROSS SOUTHERN CALHOUN COUNTY AND BRANCH COUNTY BETWEEN 430 AND 530 PM EDT. ANOTHER CLUSTER OF THUNDERSTORMS WERE 30 MILES WEST AND NORTHWEST OF BATTLE CREEK. THESE WILL MOVE INTO THE BATTLE CREEK AREA BETWEEN 5 AND 6PM EDT. A LINE OF THUNDERSTORMS EXTENDED -FROM HOLLAND MICHIGAN...60 MILES NORTHWEST OF BATTLE CREEK... TO CHICAGO ILLINOIS. THESE THUNDERSTORMS CAN PRODUCE HEAVY RAIN...GUSTY WINDS AND SMALL HAIL. FORTUNE
Special weather statement, May 31, 5:17 PM EDT, 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LANSING, MI 508 PM EDT WED MAY 31 1989 ...SEVERE THUNDERSTORM WATCH FOR SOUTHERN LOWER MICHIGAN TILL 10 PM... AT 505 PM EDT THUNDERSTORMS...WITH HEAVY RAIN AND FREQUENT LIGHTNING... WERE OVER SOUTHWEST LOWER. ONE STRONG THUNDERSTORM WAS 40 MILES SOUTH WEST OF JACKSON...NEAR COLDWATER. HEAVY RAIN AND FREQUENT LIGHTNING WAS REPORTED AT COLDWATER. THE STORM WILL MOVE INTO NORTHERN HILLSDALE COUNTY NEAR LITCHFIELD. ANOTHER STRONG THUNDERSTORM WAS 40 MILES SOUTHWEST OF LANSING...NEAR NASHVILLE MICHIGAN. THE STORM WILL MOVE INTO EATON COUNTY BY 530 AND TO THE CHARLOTTE AREA...15 MILES SOUTHWEST OF LANSING...BETWEEN 530 AND 545 PM THEN INTO THE= GREATER LANSING AREA BETWEEN 6 AND 630 PM EDT. FORTUNE
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 8:06 PM EDT | Tornado Warning | GRR | Allegan, Kalamazoo | 46 min |
| May 31, 5:19 PM EDT | Severe Thunderstorm Warning | GRR | Eaton | 41 min |
| May 31, 5:50 PM EDT | Flash Flood Warning | GRR | Clinton, Eaton, Ingham | 2 hr |
| May 31, 6:11 PM EDT | Severe Thunderstorm Warning | GRR | Ingham | 64 min |
| May 31, 6:12 PM EDT | Severe Thunderstorm Warning | GRR | Ingham | 63 min |
| May 31, 6:15 PM EDT | Severe Thunderstorm Warning | GRR | Clinton | 45 min |
| May 31, 6:23 PM EDT | Severe Thunderstorm Warning | GRR | Ionia | 24 min |
| May 31, 6:43 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun | 32 min |
| May 31, 6:48 PM EDT | Severe Thunderstorm Warning | GRR | Jackson | 57 min |
| May 31, 7:15 PM EDT | Severe Thunderstorm Warning | GRR | Hillsdale | 60 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 1989Every severe thunderstorm warning in 1989
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.