Alert archive / Michigan / Tornado Warnings in 2007
Tornado Warning 6, NWS Detroit, MI
NWS Detroit, MI issued this tornado warning at Jul 18, 2007, 5:35 PM EDT for Midland County, Michigan. It was in force for 47 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
- Jul 18, 2007, 5:35 PM EDT (21:35 UTC)
- Expired
- Jul 18, 2007, 6:22 PM EDT
- In force
- 47 min
- Issued by
- NWS Detroit, MI
- Area
- Counties, with a storm outline in the text
County Midland County, MI
The radar
The Detroit radar (KDTX), 124 km from the middle of the area, began a volume at 21:35 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 18, 5:35 PM EDT | HAIL 1 | Sanford, MI |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 18, 4:39 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 9.6 hours before the alert went out and 124 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
- 317 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 717 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KDTX 182135 TORDTX MIC111-182245- /O.NEW.KDTX.TO.W.0006.070718T2135Z-070718T2245Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 535 PM EDT WED JUL 18 2007 THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A * TORNADO WARNING FOR... MIDLAND COUNTY IN SOUTHEAST MICHIGAN * UNTIL 645 PM EDT * AT 531 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR SANFORD... OR ABOUT 9 MILES WEST OF MIDLAND...MOVING SOUTHEAST AT 15 MPH. * THE TORNADO WILL BE NEAR... GORDONVILLE BY 550 PM EDT... MIDLAND BY 600 PM EDT... POSEYVILLE BY 610 PM EDT... LAPORTE BY 620 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. THIS STORM IS ALSO CAPABLE OF PRODUCING WIND GUSTS OVER 65 MPH AND HAIL GREATER THAN ONE INCH IN DIAMETER. LAT...LON 4380 8417 4366 8453 4347 8437 4348 8417 $$ RBP / WAG
4 follow-up statements
000 WWUS53 KDTX 182144 SVSDTX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 543 PM EDT WED JUL 18 2007 MIC111-182245- /O.CON.KDTX.TO.W.0006.000000T0000Z-070718T2245Z/ MIDLAND MI- 543 PM EDT WED JUL 18 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM EDT FOR MIDLAND COUNTY... AT 539 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS TORNADO WAS LOCATED JUST WEST OF MIDLAND...MOVING SOUTHEAST AT 20 MPH. THE TORNADO WILL BE NEAR... POSEYVILLE BY 550 PM EDT... LAPORTE BY 600 PM EDT... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLFBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT WEDNESDAY EVENING FOR SOUTHEAST MICHIGAN. LAT...LON 4380 8417 4366 8453 4347 8437 4348 8417 $$ WAG
000 WWUS53 KDTX 182154 SVSDTX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 553 PM EDT WED JUL 18 2007 MIC111-182245- /O.CON.KDTX.TO.W.0006.000000T0000Z-070718T2245Z/ MIDLAND MI- 553 PM EDT WED JUL 18 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM EDT FOR MIDLAND COUNTY... AT 548 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS TORNADO WAS LOCATED JUST WEST OF MIDLAND MOVING SOUTHEAST AT 20 MPH. THE TORNADO WILL BE NEAR... LAPORTE BY 605 PM EDT... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLF BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT WEDNESDAY EVENING FOR SOUTHEAST MICHIGAN. LAT...LON 4380 8417 4366 8453 4347 8437 4348 8417 $$ WAG
000 WWUS53 KDTX 182205 SVSDTX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 605 PM EDT WED JUL 18 2007 MIC111-182245- /O.CON.KDTX.TO.W.0006.000000T0000Z-070718T2245Z/ MIDLAND MI- 605 PM EDT WED JUL 18 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM EDT FOR MIDLAND COUNTY... AT 601 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS TORNADO WAS LOCATED NEAR POSEYVILLE...OR ABOUT 6 MILES SOUTH OF MIDLAND...MOVING SOUTHEAST AT 20 MPH. THE TORNADO WILL BE NEAR... LAPORTE BY 610 PM EDT... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLF BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IN A HOME OR BUSINESS IS AN INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE. AVOID WINDOWS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT WEDNESDAY EVENING FOR SOUTHEAST MICHIGAN. LAT...LON 4380 8417 4366 8453 4347 8437 4348 8417 $$ WAG
000 WWUS53 KDTX 182222 SVSDTX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 622 PM EDT WED JUL 18 2007 MIC111-182232- /O.CAN.KDTX.TO.W.0006.000000T0000Z-070718T2245Z/ MIDLAND MI- 622 PM EDT WED JUL 18 2007 ...THE TORNADO WARNING FOR MIDLAND COUNTY IS CANCELLED... NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND EXITED THE COUNTY. THUS...THE TORNADO WARNING HAS BEEN CANCELLED. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT WEDNESDAY EVENING FOR SOUTHEAST MICHIGAN. LAT...LON 4380 8417 4366 8453 4347 8437 4348 8417 $$ WAG
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 4:57 PM EDT | Severe Thunderstorm Warning | DTX | Midland | 93 min |
| Jul 18, 5:40 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw | 95 min |
| Jul 18, 6:13 PM EDT | Special Marine Warning | DTX | 62 min | |
| Jul 18, 6:17 PM EDT | Severe Thunderstorm Warning | DTX | Shiawassee | 46 min |
| Jul 18, 6:39 PM EDT | Severe Thunderstorm Warning | DTX | Genesee | 68 min |
| Jul 18, 7:24 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer, Oakland | 68 min |
| Jul 18, 7:48 PM EDT | Severe Thunderstorm Warning | DTX | Midland, Saginaw | 72 min |
Nearby
Tornado Warnings in Michigan, 2007Every tornado warning in 2007Tornadoes in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.