Alert archive / Michigan / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 11, NWS Gaylord, MI

May 12, 2000Missaukee County, Roscommon County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at May 12, 2000, 5:10 PM EDT for Missaukee County, Roscommon County, Michigan. It was in force for 50 min. 2 reports 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, 5:10 PM EDT (21:10 UTC)
Expired
May 12, 2000, 6:00 PM EDT
In force
50 min
Issued by
NWS Gaylord, MI
Area
Whole counties

Counties Missaukee County, MI, Roscommon County, MI

The radar

The NCL Michigan radar (KAPX), 64 km from the middle of the area, began a volume at 21:10 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

TimeReportWhereRemark
May 12, 5:20 PM EDTHail 0.75Lake City, MI
May 12, 5:30 PM EDTThunderstorm Wind 50 EHoughton Lake, MISeveral trees were blown 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.

IssuedProductOfficeLasted
May 12, 1:00 PM EDTTornado WatchSPC5 hr
May 12, 4:45 PM EDTTornado WatchSPC5 hr

The nearest sounding before it

Alpena, MI (KAPX), launched 12:00Z, 9.2 hours before the alert went out and 210 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, Alpena, MI at 12:00Z on 2000-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Alpena, MI at 12:00Z on 2000-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1301 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KAPX 122110
SVRAPN
MIC113-143-122200-

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

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MISSAUKEE COUNTY IN NORTHERN LOWER MICHIGAN
  ROSCOMMON COUNTY IN NORTHERN LOWER MICHIGAN

* UNTIL 600 PM EDT

* AT 510 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM ABOUT 11 MILES WEST OF HOUGHTON LAKE...
  MOVING EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL REACH...
  HOUGHTON LAKE AROUND 520 PM EDT
  TWIN LAKES AREA AROUND 535 PM EDT
  ST. HELEN AROUND 540 PM EDT

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. 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.

CAMPBELL/SMITH

The office that day

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

IssuedProductOfficeCountiesLasted
May 12, 1:44 PM EDTSevere Thunderstorm WarningAPXManistee61 min
May 12, 2:25 PM EDTSevere Thunderstorm WarningAPXWexford50 min
May 12, 2:57 PM EDTSevere Thunderstorm WarningAPXMissaukee48 min
May 12, 3:27 PM EDTSevere Thunderstorm WarningAPXRoscommon48 min
May 12, 4:16 PM EDTSevere Thunderstorm WarningAPXOgemaw44 min
May 12, 4:23 PM EDTTornado WarningAPXArenac, Gladwin37 min
May 12, 4:33 PM EDTSevere Thunderstorm WarningAPXIosco42 min
May 12, 4:40 PM EDTTornado WarningAPXIosco35 min
May 12, 4:46 PM EDTFlash Flood WarningAPXManistee, Wexford5 hr
May 12, 6:11 PM EDTSevere Thunderstorm WarningAPXAntrim49 min
May 12, 6:11 PM EDTSevere Thunderstorm WarningAPXLeelanau49 min
May 12, 6:29 PM EDTSevere Thunderstorm WarningAPXCharlevoix, Emmet46 min
May 12, 7:06 PM EDTSevere Thunderstorm WarningAPXAlcona24 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2000Every 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.