Alert archive / Michigan / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 13, NWS Gaylord, MI

May 12, 2000Leelanau County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at May 12, 2000, 6:11 PM EDT for Leelanau County, Michigan. It was in force for 49 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: May 12, 2000, 6:11 PM EDT (22:11 UTC)
Expired: May 12, 2000, 7:00 PM EDT
In force: 49 min
Issued by: NWS Gaylord, MI
Area: Whole counties

County Leelanau County, MI

The radar

The NCL Michigan radar (KAPX), 107 km from the middle of the area, began a volume at 22:15 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 12, 6:15 PM EDT	Hail 1	Maple City, 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.

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 12, 4:45 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.2 hours before the alert went out and 179 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: 15 J/kg
Mixed-layer CIN: -508 J/kg
Mixed-layer LCL: 545 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 122 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 KAPX 122213
SVRAPN
MIC009-089-122300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
611 PM EDT FRI MAY 12 2000

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ANTRIM COUNTY IN NORTHERN LOWER MICHIGAN
  LEELANAU COUNTY IN NORTHERN LOWER MICHIGAN

* UNTIL 700 PM EDT

* AT 610 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS 12 MILES NORTHWEST OF ELK RAPIDS...MOVING 
  EAST AT 50 MPH. ANOTHER SEVERE THUNDERSTORM WAS JUST WEST OF
  EMPIRE...MOVING EAST AT 50 MPH.

* THE SEVERE THUNDERSTORMS WILL REACH...
  TORCH LAKE AROUND 620 PM EDT
  CENTRAL LAKE AROUND 625 PM EDT

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA UNTIL 10 PM. 
SEVERE THUNDERSTORMS OCCASIONALLY PRODUCE TORNADOES...AND CAN DO SO 
RATHER QUICKLY. MOVE INTO AN INTERIOR ROOM ON THE LOWEST FLOOR OF 
YOUR HOME OR BUSINESS.n

CAMPBELL/SMITH

The office that day

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

Issued	Product	Office	Counties	Lasted
May 12, 1:44 PM EDT	Severe Thunderstorm Warning	APX	Manistee	61 min
May 12, 2:25 PM EDT	Severe Thunderstorm Warning	APX	Wexford	50 min
May 12, 2:57 PM EDT	Severe Thunderstorm Warning	APX	Missaukee	48 min
May 12, 3:27 PM EDT	Severe Thunderstorm Warning	APX	Roscommon	48 min
May 12, 4:16 PM EDT	Severe Thunderstorm Warning	APX	Ogemaw	44 min
May 12, 4:23 PM EDT	Tornado Warning	APX	Arenac, Gladwin	37 min
May 12, 4:33 PM EDT	Severe Thunderstorm Warning	APX	Iosco	42 min
May 12, 4:40 PM EDT	Tornado Warning	APX	Iosco	35 min
May 12, 4:46 PM EDT	Flash Flood Warning	APX	Manistee, Wexford	5 hr
May 12, 5:10 PM EDT	Severe Thunderstorm Warning	APX	Missaukee, Roscommon	50 min
May 12, 6:11 PM EDT	Severe Thunderstorm Warning	APX	Antrim	49 min
May 12, 6:29 PM EDT	Severe Thunderstorm Warning	APX	Charlevoix, Emmet	46 min
May 12, 7:06 PM EDT	Severe Thunderstorm Warning	APX	Alcona	24 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.