Alert archive / Michigan / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 40, NWS Gaylord, MI

August 3, 2003Antrim County, Grand Traverse County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Aug 3, 2003, 4:46 PM EDT for Antrim County, Grand Traverse County, Michigan. It was in force for 44 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
Aug 3, 2003, 4:46 PM EDT (20:46 UTC)
Expired
Aug 3, 2003, 5:30 PM EDT
In force
44 min
Issued by
NWS Gaylord, MI
Area
Counties, with a storm outline in the text

Counties Antrim County, MI, Grand Traverse County, MI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.8 hours before the alert went out and 217 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 2003-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 209 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, Green Bay/Straub, WI at 12:00Z on 2003-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 square meters per square second.1939Sfc1 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
209 J/kg
Mixed-layer CIN
-117 J/kg
Mixed-layer LCL
952 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
29 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.

516 
WUUS53 KAPX 032046
SVRAPX
MIC009-055-032130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
445 PM EDT SUN AUG 3 2003

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

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

* UNTIL 530 PM EDT

* AT 438 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES NORTHEAST OF WILLIAMSBURG...OR ABOUT 8
  MILES SOUTHEAST OF ELK RAPIDS...MOVING NORTHWEST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL REACH...
  TRAVERSE CITY AROUND 455 PM EDT
  BELLAIRE AROUND 500 PM EDT
  MAPLETON AROUND 510 PM EDT
  OLD MISSION AROUND 520 PM EDT

THIS STORM IS CAPABLE OF PRODUCING DIME SIZED OR LARGER HAIL. REMAIN
INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LARGE HAIL
CAN CAUSE INJURY AND SIGNIFICANT PROPERTY DAMAGE.

LAT...LON 4477 8581 4480 8560 4497 8550 4485 8547
          4499 8526 4512 8511 4511 8484 4492 8491
          4483 8532 4451 8534 4451 8583

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 7:44 PM EDTSevere Thunderstorm WarningAPXMissaukee16 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2003Every severe thunderstorm warning in 2003

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.