Alert archive / Michigan / Excessive Heat Warnings in 2018
Excessive Heat Warning 1, NWS Gaylord, MI
NWS Gaylord, MI issued this excessive heat warning at Jun 29, 2018, 3:57 PM EDT for 22 counties in Michigan. It took effect at Jun 30, 2018, 11:00 AM EDT. It was in force for 16 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 29, 2018, 3:57 PM EDT (19:57 UTC)
- In effect from
- Jun 30, 2018, 11:00 AM EDT
- Expired
- Jul 1, 2018, 3:28 AM EDT
- In force
- 16 hr
- Issued by
- NWS Gaylord, MI
All 22 counties
Alcona County, MI, Alpena County, MI, Antrim County, MI, Arenac County, MI, Benzie County, MI, Cheboygan County, MI, Crawford County, MI, Emmet County, MI, Gladwin County, MI, Grand Traverse County, MI, Iosco County, MI, Kalkaska County, MI, Leelanau County, MI, Manistee County, MI, Missaukee County, MI, Montmorency County, MI, Ogemaw County, MI, Oscoda County, MI, Otsego County, MI, Presque Isle County, MI, Roscommon County, MI, Wexford County, MI
The radar
The NCL Michigan radar (KAPX), 21 km from the middle of the area, began a volume at 20:01 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 nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.0 hours before the alert went out and 272 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.
- Mixed-layer CAPE
- 620 J/kg
- Mixed-layer CIN
- -374 J/kg
- Mixed-layer LCL
- 1148 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this excessive heat warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Gaylord, MI wrote its last area forecast discussion before this excessive heat warning went out at Jun 29, 3:57 PM EDT, 0 minutes earlier.
Area forecast discussion, Jun 29, 3:57 PM EDT, 0 minutes before
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</html>Hazardous weather outlook, Jun 29, 10:50 AM EDT, 5 hours 7 minutes before
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</html>Nearby
Excessive Heat Warnings in Michigan, 2018Every excessive heat warning in 2018
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.