Alert archive / Michigan / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 18, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Apr 18, 2002, 8:36 PM EDT for Antrim County, Kalkaska County, Michigan. It was in force for 39 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
- Apr 18, 2002, 8:36 PM EDT (00:36 UTC)
- Expired
- Apr 18, 2002, 9:15 PM EDT
- In force
- 39 min
- Issued by
- NWS Gaylord, MI
- Area
- Counties, with a storm outline in the text
Counties Antrim County, MI, Kalkaska County, MI
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 18, 7:45 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.6 hours before the alert went out and 212 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
- 188 J/kg
- Mixed-layer CIN
- -106 J/kg
- Mixed-layer LCL
- 2321 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 216 m²/s²
- 0-3 km storm-relative helicity
- 288 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS53 KAPX 190036
SVRAPN
MIC009-079-190115-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
836 PM EDT THU APR 18 2002
THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
ANTRIM COUNTY IN NORTHWEST LOWER MICHIGAN
KALKASKA COUNTY IN NORTHWEST LOWER MICHIGAN
* UNTIL 915 PM EDT
* AT 834 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS FROM 13 MILES WEST OF ELLSWORTH TO 16
MILES SOUTHEAST OF TRAVERSE CITY...MOVING EAST AT 45 MPH.
* THE SEVERE THUNDERSTORMS WILL REACH...
ALDEN AROUND 845 PM EDT
KALKASKA AROUND 850 PM EDT
AT 825 PM EDT A SPOTTER 3 MILES EAST OF TRAVERSE CITY REPORTED A 60
MPH WIND GUST.
REMAIN INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. THIS
STORM IS CAPABLE OF PRODUCING WIND GUSTS BETWEEN 60 AND 80 MPH. WINDS
THIS HIGH CAN DOWN TREES AND POWER LINES.
LAT...LON 4451 8533 4518 8563 4519 8555 4513 8562
4457 8536 4482 8532 4487 8544 4504 8537
4520 8539 4520 8523 4512 8521 4511 8486
4457 8486 4451 8514
&The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 18, 8:08 PM EDT | Severe Thunderstorm Warning | APX | Grand Traverse, Leelanau, Wexford | 37 min |
| Apr 18, 8:44 PM EDT | Severe Thunderstorm Warning | APX | Wexford | 31 min |
| Apr 18, 9:14 PM EDT | Severe Thunderstorm Warning | APX | Missaukee, Roscommon | 61 min |
| Apr 18, 9:23 PM EDT | Severe Thunderstorm Warning | APX | Crawford | 22 min |
| Apr 18, 9:55 PM EDT | Special Marine Warning | APX | 50 min | |
| Apr 18, 9:58 PM EDT | Severe Thunderstorm Warning | APX | Oscoda | 32 min |
| Apr 18, 10:19 PM EDT | Severe Thunderstorm Warning | APX | Alcona | 41 min |
| Apr 18, 10:27 PM EDT | Severe Thunderstorm Warning | APX | Gladwin, Roscommon | 48 min |
| Apr 18, 10:45 PM EDT | Special Marine Warning | APX | 60 min | |
| Apr 18, 10:49 PM EDT | Special Marine Warning | APX | 41 min | |
| Apr 18, 10:49 PM EDT | Special Marine Warning | APX | 41 min | |
| Apr 18, 10:49 PM EDT | Special Marine Warning | APX | 41 min | |
| Apr 18, 10:58 PM EDT | Severe Thunderstorm Warning | APX | Ogemaw | 32 min |
| Apr 18, 11:22 PM EDT | Special Marine Warning | APX | 83 min | |
| Apr 18, 11:22 PM EDT | Special Marine Warning | APX | 83 min | |
| Apr 18, 11:34 PM EDT | Special Marine Warning | APX | 41 min | |
| Apr 18, 11:34 PM EDT | Special Marine Warning | APX | 41 min | |
| Apr 18, 11:34 PM EDT | Special Marine Warning | APX | 41 min | |
| Apr 18, 11:58 PM EDT | Special Marine Warning | APX | 32 min | |
| Apr 18, 11:58 PM EDT | Special Marine Warning | APX | 32 min | |
| Apr 19, 12:30 AM EDT | Special Marine Warning | APX | 2 hr | |
| Apr 19, 12:30 AM EDT | Special Marine Warning | APX | 2 hr | |
| Apr 19, 12:30 AM EDT | Special Marine Warning | APX | 2 hr |
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; the sounding from the Mesonet's radiosonde archive.