Alert archive / Michigan / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 75, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Sep 10, 2002, 2:03 PM EDT for Alcona County, Michigan. It was in force for 42 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 10, 2002, 2:03 PM EDT (18:03 UTC)
- Expired
- Sep 10, 2002, 2:45 PM EDT
- In force
- 42 min
- Issued by
- NWS Gaylord, MI
- Area
- Counties, with a storm outline in the text
County Alcona County, MI
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 10, 2:10 PM EDT | Thunderstorm Wind 55 E | Harrisville, MI | Telephone pole blown over and several large branches 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 nearest sounding before it
Alpena, MI (KAPX), launched 12:00Z, 6.1 hours before the alert went out and 85 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
- 947 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 1058 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
189 WUUS53 KAPX 101803 SVRAPN MIC001-101845- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GAYLORD MI 203 PM EDT TUE SEP 10 2002 THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ALCONA COUNTY IN NORTHEAST LOWER MICHIGAN * UNTIL 245 PM EDT * AT 203 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER CURRAN...OR ABOUT 10 MILES NORTHWEST OF GLENNIE...MOVING EAST AT 55 MPH. * THE SEVERE THUNDERSTORM WILL REACH... BARTON CITY...HUBBARD LAKE AROUND 210 PM EDT LINCOLN AROUND 220 PM EDT HARRISVILLE...BLACK RIVER AROUND 225 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 4479 8385 4461 8383 4465 8268 4489 8270
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 10, 1:55 PM EDT | Special Marine Warning | APX | 65 min | |
| Sep 10, 2:59 PM EDT | Special Marine Warning | APX | 61 min | |
| Sep 10, 2:59 PM EDT | Special Marine Warning | APX | 61 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2002Every severe thunderstorm warning in 2002
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.