Alert archive / Michigan / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 51, NWS Grand Rapids, MI

June 21, 19974 counties in Michigan

NWS Grand Rapids, MI issued this severe thunderstorm warning at Jun 21, 1997, 1:32 AM EST for 4 counties in Michigan. It was in force for 48 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: Jun 21, 1997, 1:32 AM EST (06:32 UTC)
Expired: Jun 21, 1997, 2:20 AM EST
In force: 48 min
Issued by: NWS Grand Rapids, MI
Area: Whole counties

Counties Cass County, MI, Kalamazoo County, MI, Saint Joseph County, MI, Van Buren County, MI

What was reported inside it

Time	Report	Where	Remark
Jun 21, 2:00 AM EST	Thunderstorm Wind	Marcellus, MI	A severe thunderstorm downed a tree and several large limbs in the village of Marcellus. The downed tree landed on a vehicle parked at the corner of S. Centre and Dibble Street. Limbs and power lines were downed on N. Centre and North Streets and at the corner

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.

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 6.5 hours before the alert went out and 210 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 660 J/kg
Mixed-layer CIN: -167 J/kg
Mixed-layer LCL: 1410 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 183 m²/s²
0-3 km storm-relative helicity: 189 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.0

Open this sounding in Storm Lab

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.

NWS Grand Rapids, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 20, 10:59 PM EST, 2 hours 33 minutes earlier.

Area forecast discussion, Jun 20, 10:59 PM EST, 2 hours 33 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1148 PM EDT FRI JUN 20 1997

...WILL UPDATE TO DROP TSTMS OUT OF COUNTIES N OF I-96 OVERNIGHT...

BASED ON LASTEST RADAR LOOPS... IR LOOPS AND ADAP LOOKS LIKE
BEST CONVERGENCE HAS MOVED BACK INTO NW IL AND SW WI BTWN 02-03Z.
OVER SRN COUNTIES EXPECT CONTINUED BACK BUILDING AS 20C DWPTS
AT 850 AND MID 70S DWPTS SFC OVER IOWA FEED INTO FRNTL AREA UNDER
ENTERENCE REGION OF JET. SO WILL EXTEND FFW FOR OTTAWA AND ALLEGAN
SINCE 5 TO 9 INCHES OF RAIN THERE ALREADY AND RADAR SHOWS MORE
DEVELOPING BACK INTO WI/NRN IL.  NOT MUCH REASON FOR IT TO STOP
SINCE INFLOW CONTINUES.

FOR COUNTIES OVER NRN 1/3 OF CWA WILL DRP PCPN OVERNIGHT SINCEn
NOT MUCH HAPPENING THERE AND AS MENTIONED BEFORE BEST CONVERGENCE
HAS MOVES MORE TO SW FROM WHERE IT HAS BEEN MOST OF THE EVENING.

WILL LOWER LOWS TO LOWER TO MID 60S NRN 1/3 CWA SINCE MBL IS 63
AT 11 PM.

In the hours before

Local storm report, Jun 20, 9:45 PM EST, 3 hours 47 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1043 PM EDT FRI JUN 13 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0800 AM    7 MI E NEWAYGO            MI   0.75 INCH HAIL
06/20/97   NEWAYGO COUNTY

0240 PM    1 MILE EAST OF CHARLOTTE  MI   WIND DAMAGE
06/20/97   EATON COUNTY                   HOME UNDER CONSTRUCTION
                                          TOTALLY DEMOLISHED.
                                          VEHICLES MOVED

0240 PM    BROOKFIELD                MI   WIND DAMAGE
06/20/97   EATON COUNTY                   TREES DOWNED

0243 PM    ALL ACROSS COUNTY         MI   WIND DAMAGE
06/20/97   INGHAM COUNTY                  TREES AND POWER LINES
                                          DOWNED

0425 PM    SPARTA                    MI   WIND DAMAGE
06/20/97   KENT COUNTY                    TREES AND POWERLINES
                                          DOWNED THROUGHOUT CITY.
                                          MINOR ROOF DAMAGE TO
                                          SEVERAL RESIDENCES AND
                                          BUSINESSES

0740 PM    KENTWOOD                  MI   61 MPH WIND GUST
06/20/97   KENT COUNTY                    REPORTED BY SPOTTER

0740 PM    KENTWOOD                  MI   WIND DAMAGE
06/20/97   KENT COUNTY                    TREES DOWN

0740 PM    HOLLAND                   MI   WIND DAMAGE
06/20/97   OTTAWA COUNTY                  POWER LINES AND
                                          TRANSFORMERS DOWNED

0803 PM    ALLEGAN                   MI   WIND DAMAGE
06/20/97   ALLEGAN COUNTY                 TREES AND POWER LINES
                                          DOWNED

0807 PM    HASTINGS                  MI   1 INCH HAIL
06/20/97   BARRY COUNTY

0807 PM    HASTINGS                  MI   WIND DAMAGE
06/20/97   BARRY COUNTY                   TREES AND POWER LINES
                                          DOWNED

0810 PM    DORR                      MI   WIND DAMAGE
06/20/97   ALLEGAN COUNTY                 TREES DOWNED

0815 PM    MIDDLEVILLE               MI   WIND DAMAGE
06/20/97   BARRY COUNTY                   NUMEROUS TREES AND POWER
                                          LINES DOWNED. TRANSFORMER
                                          FIRE

0832 PM    HOPKINSBURG               MI   WIND DAMAGE
06/20/97   ALLEGAN COUNTY                 TREES DOWNED. POWER LINES
                                          AND UTILITY POLES DOWNED

0920 PM    WAYLAND                   MI   WIND DAMAGE
06/20/97   ALLEGAN COUNTY                 TREES AND POWER LINES
                                          DOWNED

0945 PM    KALAMAZOO                 MI   WIND DAMAGE
06/20/97   KALAMAZOO COUNTY               TREES AND POWER LINES
                                          DOWNED IN THE CITY

ZEBIC/GREENE

Local storm report, Jun 20, 9:50 PM EST, 3 hours 42 minutes before

PRELIMINARY LOCAL STORM REPORTS... CORRECTION
NATIONAL WEATHER SERVICE GRAND RAPIDS MICHIGAN
1050 PM EDT FRI JUN 20 1997

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0800 AM    7 MI E NEWAYGO            MI   0.75 INCH HAIL
06/20/97   NEWAYGO COUNTY

0240 PM    1 MI E CHARLOTTE          MI   WIND DAMAGE
06/20/97   EATON COUNTY                   HOME UNDER CONSTRUCTION
                                          TOTALLY DEMOLISHED.
                                          VEHICLES MOVED

0240 PM    BROOKFIELD                MI   WIND DAMAGE
06/20/97   EATON COUNTY                   TREES DOWNED

0243 PM    ALL ACROSS COUNTY         MI   WIND DAMAGE
06/20/97   INGHAM COUNTY                  TREES AND POWER LINES
                                          DOWNED

0425 PM    SPARTA                    MI   WIND DAMAGE
06/20/97   KENT COUNTY                    TREES AND POWERLINES
                                          DOWNED THROUGHOUT CITY.
                                          MINOR ROOF DAMAGE TO
                                          SEVERAL RESIDENCES AND
                                          BUSINESSES

0740 PM    KENTWOOD                  MI   61 MPH WIND GUST
06/20/97   KENT COUNTY                    REPORTED BY SPOTTER

0740 PM    KENTWOOD                  MI   WIND DAMAGE
06/20/97   KENT COUNTY                    TREES DOWN

0740 PM    HOLLAND                   MI   WIND DAMAGE
06/20/97   OTTAWA COUNTY                  POWER LINES AND
                                          TRANSFORMERS DOWNED

0803 PM    ALLEGAN                   MI   WIND DAMAGE
06/20/97   ALLEGAN COUNTY                 TREES AND POWER LINES
                                          DOWNED

0807 PM    HASTINGS                  MI   1 INCH HAIL
06/20/97   BARRY COUNTY

0807 PM    HASTINGS                  MI   WIND DAMAGE
06/20/97   BARRY COUNTY                   TREES AND POWER LINES
                                          DOWNED

0810 PM    DORR                      MI   WIND DAMAGE
06/20/97   ALLEGAN COUNTY                 TREES DOWNED

0815 PM    MIDDLEVILLE               MI   WIND DAMAGE
06/20/97   BARRY COUNTY                   NUMEROUS TREES AND POWER
                                          LINES DOWNED. TRANSFORMER
                                          FIRE

0832 PM    HOPKINSBURG               MI   WIND DAMAGE
06/20/97   ALLEGAN COUNTY                 TREES DOWNED. POWER LINES
                                          AND UTILITY POLES DOWNED

0920 PM    WAYLAND                   MI   WIND DAMAGE
06/20/97   ALLEGAN COUNTY                 TREES AND POWER LINES
                                          DOWNED

0945 PM    KALAMAZOO                 MI   WIND DAMAGE
06/20/97   KALAMAZOO COUNTY               TREES AND POWER LINES
                                          DOWNED IN THE CITY

ZEBIC/GREENE
CORRECTED DATE IN HEADER

The office that day

Everything else NWS Grand Rapids, MI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 20, 7:09 PM EST	Flash Flood Warning	GRR	Ottawa	2 hr
Jun 20, 7:09 PM EST	Flash Flood Warning	GRR	Allegan	51 min
Jun 20, 7:09 PM EST	Severe Thunderstorm Warning	GRR	Allegan	51 min
Jun 20, 7:21 PM EST	Severe Thunderstorm Warning	GRR	Calhoun, Eaton	49 min
Jun 20, 7:55 PM EST	Flash Flood Warning	GRR	Barry	2 hr
Jun 20, 8:15 PM EST	Severe Thunderstorm Warning	GRR	Calhoun, Kalamazoo	50 min
Jun 20, 9:00 PM EST	Flash Flood Warning	GRR	Allegan, Ottawa	2 hr
Jun 20, 11:00 PM EST	Flash Flood Warning	GRR	Allegan, Ottawa	6 hr
Jun 21, 4:08 AM EST	Flash Flood Warning	GRR	Allegan, Ottawa	12 hr
Jun 21, 3:18 PM EST	Severe Thunderstorm Warning	GRR	Clinton, Eaton, Ionia	77 min
Jun 21, 3:18 PM EST	Severe Thunderstorm Warning	GRR	Barry	77 min
Jun 21, 3:23 PM EST	Severe Thunderstorm Warning	GRR	Cass	47 min
Jun 21, 3:39 PM EST	Severe Thunderstorm Warning	GRR	Kalamazoo, Saint Joseph	61 min

Nearby

Severe Thunderstorm Warnings in Michigan, 1997 Every severe thunderstorm warning in 1997

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.