Alert archive / Michigan / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 21, NWS Northern Indiana

May 9, 2000Berrien County, Michigan

NWS Northern Indiana issued this severe thunderstorm warning at May 9, 2000, 1:12 AM EDT for Berrien County, Michigan. It was in force for 28 min. 2 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: May 9, 2000, 1:12 AM EDT (05:12 UTC)
Expired: May 9, 2000, 1:40 AM EDT
In force: 28 min
Issued by: NWS Northern Indiana
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Berrien County, MI

The radar

The Northern Indiana radar (KIWX), 102 km from the middle of the area, began a volume at 05:12 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
May 9, 1:25 AM EDT	Thunderstorm Wind	Galien, MI	Numerous trees and power lines down.
May 9, 1:25 AM EDT	Thunderstorm Wind	New Buffalo, MI	Numerous trees and power lines down.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 8, 11:30 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 5.2 hours before the alert went out and 251 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: 2720 J/kg
Mixed-layer CIN: -90 J/kg
Mixed-layer LCL: 1120 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 55 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS53 KIWX 090516
SVRFWA
MIC021-090540-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
112 AM EDT TUE MAY 9 2000

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BERRIEN COUNTY IN MICHIGAN

* UNTIL 140 AM EDT

* AT 107 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A LINE OF SEVERE THUNDERSTORMS EXTENDING FROM 13 MILES NORTHWEST   
  OF MICHIGAN CITY TO 4 MILES NORTHWEST OF WESTVILLE...MOVING EAST   
  AT 60 MPH.

* SOME LOCATIONS IN THE PATH OF THIS LINE OF SEVERE THUNDERSTORMS...
  THREE OAKS
  BARODA
  ST. JOSEPH
  BENTON HARBOR
  BERRIEN SPRINGS
  BENTON HEIGHTS
  NILES
  
WINDS IN EXCESS OF 60 MPH ARE LIKELY WITH THIS LINE OF SEVERE
STORMS! SEEK SHELTER IMMEDIATELY!

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SER*VICE FORECAST
OFFICE IN NORTHERN INDIANA.

LAT...LON 4192 8717 4173 8696 4167 8695 4178 8619
          4196 8619 4226 8622

NNNN

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 9, 1:45 AM EDT	Severe Thunderstorm Warning	IWX	Cass	35 min
May 9, 2:03 AM EDT	Severe Thunderstorm Warning	IWX	Saint Joseph	27 min
May 9, 5:46 PM EDT	Severe Thunderstorm Warning	IWX	Cass	34 min
May 9, 5:51 PM EDT	Severe Thunderstorm Warning	IWX	Berrien	29 min
May 9, 6:02 PM EDT	Severe Thunderstorm Warning	IWX	Saint Joseph	28 min
May 9, 6:28 PM EDT	Severe Thunderstorm Warning	IWX	Hillsdale	32 min
May 9, 7:17 PM EDT	Severe Thunderstorm Warning	IWX	Hillsdale	58 min
May 9, 7:49 PM EDT	Tornado Warning	IWX	Hillsdale	31 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2000 Every severe thunderstorm warning in 2000

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; radar from the NEXRAD Level II archive.