Alert archive / Michigan / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 34, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Jul 23, 1999, 11:41 AM EDT for Wexford County, Michigan. It was in force for 59 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 23, 1999, 11:41 AM EDT (15:41 UTC)
- Expired
- Jul 23, 1999, 12:40 PM EDT
- In force
- 59 min
- Issued by
- NWS Gaylord, MI
- Area
- Whole counties
County Wexford County, MI
The radar
The NCL Michigan radar (KAPX), 93 km from the middle of the area, began a volume at 15:44 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 23, 12:25 PM EDT | Thunderstorm Wind 50 | Cadillac, MI | 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 23, 10:30 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 3.7 hours before the alert went out and 201 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
- 3403 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 802 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 92 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.6
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jul 23, 5:37 AM EDT, 6 hours 4 minutes earlier.
Area forecast discussion, Jul 23, 5:37 AM EDT, 6 hours 4 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GAYLORD MI 537 AM EDT FRI JUL 23 1999 NEED QUICK UPDATE TO ACCOUNT FOR AREAS OF DENSE FOG IN NORTHWEST LOWER. SHOULD BURN OFF PRETTY QUICKLY THIS MORNING. .APX...NONE. FARINA
In the hours before
Special weather statement, Jul 23, 6:15 AM EDT, 5 hours 26 minutes before
MIZ008-015>036-041-042-241200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE GAYLORD MI 615 AM EDT FRI JUL 23 1999 ...SEVERE WEATHER OUTLOOK FOR NORTHERN LOWER AND EASTERN UPPER MICHIGAN... DISPATCHERS PLEASE NOTIFY YOUR EMERGENCY MANAGERS IMMEDIATELY. SPOTTER ACTIVATION MAY BE NEEDED TODAY. THUNDERSTORMS MOVING ACROSS WISCONSIN AND THE WESTERN UPPER PENINSULA THIS MORNING ARE EXPECTED TO REACH NORTHERN MICHIGAN LATE THIS MORNING AND THIS AFTERNOON. SCATTERED THUNDERSTORMS ARE ALSO EXPECTED THIS EVENING INTO THE OVERNIGHT HOURS ACROSS THE REGION. A FEW OF THESE STORMS MAY PRODUCE WIND GUSTS AROUND 60 MPH AND THREE QUARTER INCH HAIL. IN ADDITION...TORRENTIAL DOWNPOURS MAY RESULT IN MINOR FLOODING. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL CABLE OR RADIO STATION FOR THE LATEST WEATHER INFORMATION CONCERNING THE THREAT OF SEVERE WEATHER IN NORTHERN LOWER MICHIGAN OR EASTERN UPPER MICHIGAN. FARINA
Special weather statement, Jul 23, 10:27 AM EDT, 1 hour 14 minutes before
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</html>Special weather statement, Jul 23, 10:27 AM EDT, 1 hour 14 minutes before
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</html>Local storm report, Jul 23, 11:25 AM EDT, 16 minutes before
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</html>Local storm report, Jul 23, 11:25 AM EDT, 16 minutes before
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<div class="status" id="status">Temporary Notice</div>
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</html>The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 10:23 AM EDT | Severe Thunderstorm Warning | APX | Manistee | 62 min |
| Jul 23, 12:55 PM EDT | Severe Thunderstorm Warning | APX | Roscommon | 50 min |
| Jul 23, 1:08 PM EDT | Severe Thunderstorm Warning | APX | Gladwin, Ogemaw | 72 min |
| Jul 23, 1:41 PM EDT | Severe Thunderstorm Warning | APX | Arenac, Iosco | 59 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 1999Every severe thunderstorm warning in 1999
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.