Alert archive / Michigan / Tornado Warnings in 2003

Tornado Warning 14, NWS Northern Indiana

August 1, 2003Hillsdale County, Michigan

NWS Northern Indiana issued this tornado warning at Aug 1, 2003, 4:55 PM EDT for Hillsdale County, Michigan. It was in force for 50 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 1, 2003, 4:55 PM EDT (20:55 UTC)
Expired
Aug 1, 2003, 5:45 PM EDT
In force
50 min
Issued by
NWS Northern Indiana
Area
Counties, with a storm outline in the text

County Hillsdale County, MI

The radar

The Northern Indiana radar (KIWX), 114 km from the middle of the area, began a volume at 20:55 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 1, 3:45 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 8.9 hours before the alert went out and 127 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, Detroit, MI at 12:00Z on 2003-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 212 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 2003-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.193958Sfc1 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
212 J/kg
Mixed-layer CIN
-115 J/kg
Mixed-layer LCL
1092 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
24 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.

014 
WFUS53 KIWX 012055
TORIWX
MIC059-012145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
455 PM EDT FRI AUG 1 2003

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* TORNADO WARNING FOR...
  HILLSDALE COUNTY IN MICHIGAN

* UNTIL 545 PM EDT

* AT 455 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 4 MILES NORTHEAST OF
  READING...MOVING NORTHEAST AT 20 MPH.

* SOME LOCATIONS IN THE PATH OF THIS STORM ARE...
  HILLSDALE
  JONESVILLE
  NORTH ADAMS

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. IF NO
BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM ON THE
LOWEST FLOOR AWAY FROM WINDOWS.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN NORTHERN INDIANA.

LAT...LON 4188 8483 4175 8466 4205 8419 4223 8442

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 1, 3:14 PM EDTSevere Thunderstorm WarningIWXBranch61 min
Aug 1, 3:36 PM EDTSevere Thunderstorm WarningIWXSaint Joseph54 min
Aug 1, 3:44 PM EDTTornado WarningIWXBranch46 min
Aug 1, 3:58 PM EDTSevere Thunderstorm WarningIWXHillsdale62 min
Aug 1, 4:32 PM EDTSevere Thunderstorm WarningIWXBranch43 min
Aug 1, 5:24 PM EDTSevere Thunderstorm WarningIWXBerrien66 min
Aug 1, 5:27 PM EDTSevere Thunderstorm WarningIWXSaint Joseph63 min
Aug 1, 6:31 PM EDTSevere Thunderstorm WarningIWXSaint Joseph59 min
Aug 1, 7:18 PM EDTSevere Thunderstorm WarningIWXBerrien42 min
Aug 1, 7:25 PM EDTSevere Thunderstorm WarningIWXCass80 min
Aug 1, 7:27 PM EDTSevere Thunderstorm WarningIWXBranch, Saint Joseph63 min

Nearby

Tornado Warnings in Michigan, 2003Every tornado warning in 2003Tornadoes 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; radar from the NEXRAD Level II archive.