Alert archive / Michigan / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 21, NWS Detroit, MI

June 17, 2002Wayne County, Michigan

NWS Detroit, MI issued this severe thunderstorm warning at Jun 17, 2002, 3:29 PM EDT for Wayne County, Michigan. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 17, 2002, 3:29 PM EDT (19:29 UTC)
Expired
Jun 17, 2002, 4:15 PM EDT
In force
46 min
Issued by
NWS Detroit, MI
Area
Counties, with a storm outline in the text

County Wayne County, MI

The radar

The Detroit radar (KDTX), 57 km from the middle of the area, began a volume at 19:31 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.

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 7.5 hours before the alert went out and 59 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-pSkew-T log-p diagram, Detroit, MI at 12:00Z on 2002-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 2002-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -32 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
15 J/kg
Mixed-layer CIN
-162 J/kg
Mixed-layer LCL
1461 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
-32 m²/s²
0-3 km storm-relative helicity
37 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KDTX 171929
SVRDTX
MIC163-172015-

BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
328 PM EDT MON JUN 17 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WAYNE COUNTY IN SOUTHEAST MICHIGAN

* UNTIL 415 PM EDT

* AT 328 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES SOUTH OF ROMULUS...OR 17 MILES NORTH OF
  MONROE...MOVING SOUTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
FLAT ROCK AT 350 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.

HAIL...INTENSE RAIN AND STRONG DAMAGING WINDS ARE LIKELY WITH THIS
STORM. TAKE COVER IN A SUBSTANTIAL SHELTER UNTIL THE STORM PASSES.

LAT...LON 4228 8340 4215 8349 4212 8336 4214 8323

SF WAG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 2:43 PM EDTSevere Thunderstorm WarningDTXSaint Clair32 min
Jun 17, 2:45 PM EDTSpecial Marine WarningDTX45 min
Jun 17, 3:39 PM EDTSpecial Marine WarningDTX51 min
Jun 17, 4:04 PM EDTSpecial Marine WarningDTX26 min
Jun 17, 4:32 PM EDTSpecial Marine WarningDTX58 min
Jun 17, 4:57 PM EDTSevere Thunderstorm WarningDTXSaginaw48 min
Jun 17, 5:13 PM EDTSevere Thunderstorm WarningDTXBay47 min
Jun 17, 5:19 PM EDTSevere Thunderstorm WarningDTXLapeer41 min
Jun 17, 5:21 PM EDTSevere Thunderstorm WarningDTXShiawassee39 min
Jun 17, 5:52 PM EDTSevere Thunderstorm WarningDTXTuscola38 min
Jun 17, 6:32 PM EDTSevere Thunderstorm WarningDTXTuscola28 min
Jun 17, 6:42 PM EDTSevere Thunderstorm WarningDTXLapeer48 min
Jun 17, 6:43 PM EDTSevere Thunderstorm WarningDTXSaint Clair47 min
Jun 17, 6:57 PM EDTSpecial Marine WarningDTX63 min
Jun 17, 7:35 PM EDTSevere Thunderstorm WarningDTXMacomb40 min
Jun 17, 7:37 PM EDTSpecial Marine WarningDTX53 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2002Every severe thunderstorm warning in 2002

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; radar from the NEXRAD Level II archive.