Alert archive / Michigan / Tornado Warnings in 1998
Tornado Warning 5, NWS Detroit, MI
NWS Detroit, MI issued this tornado warning at Jun 24, 1998, 6:35 PM EDT for Washtenaw County, Michigan. It was in force for 40 min. 6 reports 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
- Jun 24, 1998, 6:35 PM EDT (22:35 UTC)
- Expired
- Jun 24, 1998, 7:15 PM EDT
- In force
- 40 min
- Issued by
- NWS Detroit, MI
- Area
- Whole counties
County Washtenaw County, MI
The radar
The Detroit radar (KDTX), 58 km from the middle of the area, began a volume at 22:37 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 |
|---|---|---|---|
| Jun 24, 6:40 PM EDT | Hail 1 | Chelsea, MI | |
| Jun 24, 6:40 PM EDT | Thunderstorm Wind 65 | Sylvan, MI | |
| Jun 24, 7:10 PM EDT | Thunderstorm Wind 65 | Ann Arbor, MI | |
| Jun 24, 7:15 PM EDT | Hail 1.75 | Ypsilanti, MI | |
| Jun 24, 7:15 PM EDT | Hail 1.75 | Whittaker, MI | |
| Jun 24, 7:20 PM EDT | Thunderstorm Wind 61 | Whittaker, MI |
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 |
|---|---|---|---|
| Jun 24, 3:00 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 10.6 hours before the alert went out and 62 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
- 28 J/kg
- Mixed-layer CIN
- -202 J/kg
- Mixed-layer LCL
- 1540 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
728 WFUS01 KDTX 242234 RRA TORDTX MIC161-242315- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 635 PM EDT WED JUN 24 1998 THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A * TORNADO WARNING FOR... WASHTENAW COUNTY IN SOUTHEASTERN LOWER MICHIGAN * UNTIL 715 PM EDT * AT 634 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A DEVELOPING TORNADO 16 MILES WEST OF ANN ARBOR OR 15 MILES NORTHWEST OF SALINE MOVING SOUTHEAST AT 30 MPH. * SOME AREAS AFFECTED SALINE BY 705 PM EDT IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IN A HOME OR BUSINESS IS AN INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE. AVOID WINDOWS. STRUBLE
What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 24, 2:57 PM EDT, 3 hours 38 minutes before
MIZ047>049-053>055-060>063-068>070-075>076-082>083-250100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 257 PM EDT WED JUN 24 1998 ...SEVERE THUNDERSTORM WATCH NUMBER 653 IS IN EFFECT UNTIL 900 PM EDT TONIGHT... THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH NUMBER 653 FOR ALL OF SOUTHEAST LOWER MICHIGAN...IN EFFECT UNTIL 900 PM EDT. THE FOLLOWING COUNTIES ARE IN THE WATCH... MIDLAND BAY HURON SAGINAW TUSCOLA SANILAC SHIAWASSEE GENESEE LAPEER LIVINGSTOM OAKLAND MACOMB ST CLAIR WASHTENAW WAYNE LENAWEE MONROE SOME CITIES IN THE SEVERE THUNDERSTORM WATCH INCLUDE...MIDLAND...BAY CITY...BAD AXE...SAGINAW...CARO...SANDUSKY...OWOSSO...FLINT... LAPEER...PORT HURON...HOWELL...PONTIAC...MT CLEMENS...ANN ARBOR... DETROIT...ADRIAN...AND MONROE. A WARM FRONT EXTENDING ACROSS SOUTHERN LOWER MICHIGAN WILL MOVE NORTH ACROSS LOWER MICHIGAN THROUGH THE REST OF THE AFTERNOON AND EVENING HOURS. THUNDERSTORMS WILL DEVELOP ALONG THIS BOUNDARY DURING THE AFTERNOON AND EVENING HOURS AND MOVE TO THE NORTHEAST AT 30 MPH. LOOK FOR THE POSSIBILITY OF WIND GUSTS TO 60 MPH AND DIME SIZED OR LARGER HAIL. ALSO EXPECT FREQUENT LIGHTNING AND HEAVY RAINFALL. STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFORMATION. ZELL
Special weather statement, Jun 24, 2:57 PM EDT, 3 hours 38 minutes before
MIZ047>049-053>055-060>063-068>070-075>076-082>083-250100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 257 PM EDT WED JUN 24 1998 ...SEVERE THUNDERSTORM WATCH NUMBER 653 IS IN EFFECT UNTIL 900 PM EDT TONIGHT... THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH NUMBER 653 FOR ALL OF SOUTHEAST LOWER MICHIGAN...IN EFFECT UNTIL 900 PM EDT. THE FOLLOWING COUNTIES ARE IN THE WATCH... MIDLAND BAY HURON SAGINAW TUSCOLA SANILAC SHIAWASSEE GENESEE LAPEER LIVINGSTOM OAKLAND MACOMB ST CLAIR WASHTENAW WAYNE LENAWEE MONROE SOME CITIES IN THE SEVERE THUNDERSTORM WATCH INCLUDE...MIDLAND...BAY CITY...BAD AXE...SAGINAW...CARO...SANDUSKY...OWOSSO...FLINT... LAPEER...PORT HURON...HOWELL...PONTIAC...MT CLEMENS...ANN ARBOR... DETROIT...ADRIAN...AND MONROE. A WARM FRONT EXTENDING ACROSS SOUTHERN LOWER MICHIGAN WILL MOVE NORTH ACROSS LOWER MICHIGAN THROUGH THE REST OF THE AFTERNOON AND EVENING HOURS. THUNDERSTORMS WILL DEVELOP ALONG THIS BOUNDARY DURING THE AFTERNOON AND EVENING HOURS AND MOVE TO THE NORTHEAST AT 30 MPH. LOOK FOR THE POSSIBILITY OF WIND GUSTS TO 60 MPH AND DIME SIZED OR LARGER HAIL. ALSO EXPECT FREQUENT LIGHTNING AND HEAVY RAINFALL. STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFORMATION. ZELL
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 4:43 PM EDT | Severe Thunderstorm Warning | DTX | Midland | 47 min |
| Jun 24, 4:56 PM EDT | Severe Thunderstorm Warning | DTX | Shiawassee | 49 min |
| Jun 24, 5:25 PM EDT | Severe Thunderstorm Warning | DTX | Bay | 35 min |
| Jun 24, 6:05 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw | 55 min |
| Jun 24, 6:43 PM EDT | Severe Thunderstorm Warning | DTX | Midland | 47 min |
| Jun 24, 6:50 PM EDT | Severe Thunderstorm Warning | DTX | Monroe | 55 min |
| Jun 24, 6:54 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 51 min |
| Jun 24, 7:09 PM EDT | Severe Thunderstorm Warning | DTX | Wayne | 36 min |
| Jun 24, 7:15 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw | 15 min |
| Jun 24, 7:30 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw | 10 min |
| Jun 24, 7:45 PM EDT | Severe Thunderstorm Warning | DTX | Monroe | 60 min |
Nearby
Tornado Warnings in Michigan, 1998Every tornado warning in 1998Tornadoes in 1998
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.