Alert archive / Michigan / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 82, NWS Gaylord, MI

October 4, 2002Manistee County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Oct 4, 2002, 1:11 PM EDT for Manistee County, Michigan. It was in force for 49 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Oct 4, 2002, 1:11 PM EDT (17:11 UTC)
Expired
Oct 4, 2002, 2:00 PM EDT
In force
49 min
Issued by
NWS Gaylord, MI
Area
Counties, with a storm outline in the text

County Manistee County, MI

The radar

The NCL Michigan radar (KAPX), 132 km from the middle of the area, began a volume at 17:12 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
Oct 4, 1:25 PM EDTThunderstorm Wind 50 EManistee, MIA few trees 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
Oct 4, 1:10 PM EDTTornado WatchSPC5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 5.2 hours before the alert went out and 157 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, Green Bay/Straub, WI at 12:00Z on 2002-10-04Temperature 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, Green Bay/Straub, WI at 12:00Z on 2002-10-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
660 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

777 
WUUS53 KAPX 041711
SVRAPN
MIC101-041800-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
111 PM EDT FRI OCT 4 2002

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MANISTEE COUNTY IN NORTHWEST LOWER MICHIGAN

* UNTIL 200 PM EDT

* AT 104 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 16 MILES WEST OF PIERPORT TO 
  15 MILES SOUTHWEST OF MANISTEE...MOVING EAST AT 50 MPH.

* THE SEVERE THUNDERSTORMS WILL REACH...
  MANISTEE...EASTLAKE AROUND 120 PM EDT
  ARCADIA...PIERPORT...ONEKAMA AROUND 125 PM EDT   
  KALEVA...BRETHREN AROUND 135 PM EDT
  WELLSTON AROUND 140 PM EDT

REMAIN INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. THIS
STORM IS CAPABLE OF PRODUCING WIND GUSTS BETWEEN 60 AND 80 MPH. WINDS
THIS HIGH CAN DOWN TREES AND POWER LINES.

LAT...LON 4417 8610 4419 8638 4426 8634 4434 8628
          4452 8624 4451 8583 4417 8585

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 4, 6:20 AM EDTSevere Thunderstorm WarningAPXGrand Traverse40 min
Oct 4, 6:22 AM EDTSpecial Marine WarningAPX38 min
Oct 4, 12:30 PM EDTSpecial Marine WarningAPX90 min
Oct 4, 12:30 PM EDTSpecial Marine WarningAPX90 min
Oct 4, 12:30 PM EDTSpecial Marine WarningAPX90 min
Oct 4, 12:30 PM EDTSpecial Marine WarningAPX90 min
Oct 4, 1:40 PM EDTSevere Thunderstorm WarningAPXBenzie35 min
Oct 4, 2:27 PM EDTSpecial Marine WarningAPX63 min
Oct 4, 2:27 PM EDTSpecial Marine WarningAPX63 min
Oct 4, 2:56 PM EDTSevere Thunderstorm WarningAPXEmmet34 min
Oct 4, 3:06 PM EDTSpecial Marine WarningAPX84 min
Oct 4, 4:23 PM EDTSpecial Marine WarningAPX82 min
Oct 4, 5:30 PM EDTSpecial Marine WarningAPX60 min
Oct 4, 5:30 PM EDTSpecial Marine WarningAPX60 min
Oct 4, 7:38 PM EDTSpecial Marine WarningAPX52 min
Oct 4, 7:38 PM EDTSpecial Marine WarningAPX52 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.