Severe Thunderstorm Warning 103, NWS Detroit, MI

Issued

Jul 28, 2000, 6:04 PM EDT (22:04 UTC)

Expired

Jul 28, 2000, 6:45 PM EDT

In force

41 min

Issued by

NWS Detroit, MI

Area

Whole counties

Counties Saint Clair County, MI, Sanilac County, 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.

717 
WUUS53 KDTX 282205
SVRDTX
MIC147-151-282245-

BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
604 PM EDT FRI JUL 28 2000

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SANILAC COUNTY IN SOUTHEAST MICHIGAN
  ST. CLAIR COUNTY IN SOUTHEAST MICHIGAN

* UNTIL 645 PM EDT

* AT 604 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 3 MILES NORTHEAST OF BROCKWAY...OR 17 MILES
  NORTHWEST OF PORT HURON...MOVING NORTHWEST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MELVIN AT 620 PM EDT
  PECK AT 625 PM EDT
  WATERTOWN AT 640 PM EDT
  JUHL...MARLETTE...SANDUSKY AT 640 PM EDT

THIS STORM IS CAPABLE OF PRODUCING HAIL UP TO ONE INCH IN DIAMETER.
HAIL OF THIS SIZE MAY DAMAGE WINDOWS...ALUMINUM SIDING...OR
VEHICLES...IF ACCOMPANIED BY STRONG WIND GUSTS. STAY INSIDE AWAY FROM
WINDOWS UNTIL THE STORM HAS PASSED.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE 
WARNING.

BGM DWD

NWS Detroit, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 28, 3:20 PM EDT, 2 hours 44 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
320 EDT FRI JUL 28 2000

LARGE CLOSED UPPER LEVEL LOW CIRCULATION WITH ITS CENTER OVER
CENTRAL LAKE MI PROGGED TO DRIFT SOUTH TO NORTHERN INDIANA BY SAT
EVE AND THEN LIFT SLOWLY NE TO SOUTHEAST LOWER MICHIGAN BY SUNDAY
EVE. WEAK ILL DEFINE SURFACE LOW SOMEWHERE OVER SOUTHERN LAKE MI IS
FORECAST TO REDEVELOP OVER CENTRAL ILLINOIS SATURDAY AND THEN LIFT
NORTHEAST TO ABOUT TOLEDO SUN EVE AND THEN LIFT SLOWLY NORTH WHILE
WEAKENING.

AS FAR AS THE FORECAST GOES FOR NEXT 48 HOURS...SHOWERS AND
THUNDERSTORMS DEVELOPING THIS AFTERNOON SHOULD GRADUALLY DIMINISH IN
INTENSITY AND COVERAGE OVERNIGHT.  AS OVERALL SYSTEM MOVES MORE TO
OUR SW...IT WILL PUT CWA IN THE COOLER AND MORE STABLE REGION.  WITH
ABUNDANT MOISTURE...A MORE SOLID OVERCAST SHOULD SETUP.  WITH THE
LACK OF SUNSHINE...WHATEVER ACTIVITY DEVELOPS SHOULD REMAIN LESS
INTENSE AND SMALLER IN COVERAGE.

AS SURFACE LOW APPROACHES LATE SATURDAY NIGHT AND SUNDAY...SHOWERS
AND THUNDERSTORMS WILL INCREASE IN COVERAGE AS OVERRUNNING PATTERN
SETUP. THIS SHOULD SPREAD INTO THE NORTHERN PORTIONS OF THE CWA BY
AFTERNOON.

AS FAR AS TEMPS GO...ON THE HIGHS SAT/SUN...WITH ABUNDANCE OF CLOUDS
AND COLDER SIDE OF SYSTEM FEEL FWC IS TOO HIGH.  ALSO...FAN HIGHS
LOOK A BIT TOO LOW BASED ON CURRENT TEMPS AROUND THE REGION. WILL GO
MORE WITH THE AVN MOS WHICH IS GIVING A COMPROMISE.

...EXTENDED...AS FAR AS THIS GOES...OVER PATTERN ACROSS CONUS STAYS
NEARLY THE SAME THROUGH AT LEAST WED WITH A SLIGHT WEAKENING OF
UPPER LEVEL TROF.  WILL NOT BE AN ALL DAY RAIN MON-WED BUT MORE OF A
MAINLY SCATTERED AFTERNOON TYPE ACTIVITY AS DAYTIME HEATING NEEDED
TO FIRE UP UNSTABLE ATMOSPHERE SINCE THERE IS A LACK OF ANY STRONG
LIFTING MECHANISM.

.DTX...NONE.

DRC

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

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.