Alert archive / Michigan / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 21, NWS Gaylord, MI

July 13, 2003Oscoda County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jul 13, 2003, 4:58 PM EDT for Oscoda County, Michigan. It was in force for 62 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
Jul 13, 2003, 4:58 PM EDT (20:58 UTC)
Expired
Jul 13, 2003, 6:00 PM EDT
In force
62 min
Issued by
NWS Gaylord, MI
Area
Counties, with a storm outline in the text

County Oscoda County, MI

The nearest sounding before it

Alpena, MI (KAPX), launched 12:00Z, 9.0 hours before the alert went out and 138 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 2003-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Alpena, MI at 12:00Z on 2003-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1508 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
42 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.

665 
WUUS53 KAPX 132058
SVRAPX
MIC135-132200-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
457 PM EDT SUN JUL 13 2003

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  OSCODA COUNTY IN NORTHERN LOWER MICHIGAN

* UNTIL 600 PM EDT

* AT 452 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER RED OAK...OR ABOUT 9 MILES WEST OF MIO...
  MOVING EAST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL REACH...
  MIO AROUND 555 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 ALONG
WITH DIME SIZED OR LARGER HAIL. WINDS THIS HIGH CAN DOWN TREES AND
POWER LINES.

LAT...LON 4468 8392 4460 8395 4452 8395 4460 8437
          4481 8437 4480 8391

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 3:42 PM EDTSevere Thunderstorm WarningAPXGladwin48 min
Jul 13, 4:19 PM EDTSevere Thunderstorm WarningAPXCrawford, Oscoda41 min
Jul 13, 4:32 PM EDTSevere Thunderstorm WarningAPXMissaukee, Roscommon58 min
Jul 13, 4:50 PM EDTSevere Thunderstorm WarningAPXOgemaw40 min
Jul 13, 5:09 PM EDTSevere Thunderstorm WarningAPXMissaukee, Roscommon21 min
Jul 13, 5:30 PM EDTSevere Thunderstorm WarningAPXMissaukee, Montmorency, Roscommon60 min
Jul 13, 5:44 PM EDTSevere Thunderstorm WarningAPXCrawford, Kalkaska61 min
Jul 13, 6:26 PM EDTFlash Flood WarningAPXMissaukee3 hr
Jul 13, 6:30 PM EDTSevere Thunderstorm WarningAPXMissaukee60 min
Jul 13, 7:54 PM EDTSpecial Marine WarningAPX51 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.