Alert archive / Michigan / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 27, NWS Gaylord, MI

May 31, 2002Benzie County, Grand Traverse County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at May 31, 2002, 12:13 AM EDT for Benzie County, Grand Traverse County, Michigan. It was in force for 47 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: May 31, 2002, 12:13 AM EDT (04:13 UTC)
Expired: May 31, 2002, 1:00 AM EDT
In force: 47 min
Issued by: NWS Gaylord, MI
Area: Counties, with a storm outline in the text

Counties Benzie County, MI, Grand Traverse County, MI

The radar

The NCL Michigan radar (KAPX), 83 km from the middle of the area, began a volume at 04:16 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

Green Bay/Straub, WI (KGRB), launched 00:00Z, 4.2 hours before the alert went out and 190 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: 938 J/kg
Mixed-layer CIN: -81 J/kg
Mixed-layer LCL: 1226 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 248 m²/s²
0-3 km storm-relative helicity: 369 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

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

605 
WUUS53 KAPX 310413
SVRAPN
MIC019-055-310500-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
1213 AM EDT FRI MAY 31 2002

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BENZIE COUNTY IN NORTHWEST LOWER MICHIGAN
  GRAND TRAVERSE COUNTY IN NORTHWEST LOWER MICHIGAN

* UNTIL 100 AM EDT

* AT 1211 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 2 MILES NORTHWEST OF KARLIN...OR ABOUT 10 MILES
  NORTHEAST OF THOMPSONVILLE...MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL REACH...
  HANNAH...GRAWN AROUND 1220 AM EDT
  KINGSLEY AROUND 1225 AM EDT
  FIFE LAKE AROUND 1240 AM EDT

REMAIN INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. THIS
STORM IS CAPABLE OF PRODUCING WIND GUSTS TO 60 MPH ALONG WITH HAIL 
UP TO ONE INCH. 

LAT...LON 4469 8595 4452 8592 4455 8535 4475 8537

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 12:07 AM EDT	Special Marine Warning	APX		53 min
May 31, 12:54 AM EDT	Severe Thunderstorm Warning	APX	Missaukee	36 min
May 31, 1:15 AM EDT	Severe Thunderstorm Warning	APX	Antrim, Otsego	30 min
May 31, 1:40 AM EDT	Severe Thunderstorm Warning	APX	Roscommon	35 min
May 31, 1:54 AM EDT	Severe Thunderstorm Warning	APX	Antrim, Otsego	36 min
May 31, 1:58 AM EDT	Severe Thunderstorm Warning	APX	Crawford	32 min
May 31, 2:14 AM EDT	Severe Thunderstorm Warning	APX	Oscoda	46 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2002 Every 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.