Alert archive / Michigan / Tornado Warnings in 2010
Tornado Warning 3, NWS Gaylord, MI
NWS Gaylord, MI issued this tornado warning at Jul 18, 2010, 7:21 PM EDT for Roscommon County, Michigan. It was in force for 39 min. 5 reports 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, 2010, 7:21 PM EDT (23:21 UTC)
- Expired
- Jul 18, 2010, 8:00 PM EDT
- In force
- 39 min
- Issued by
- NWS Gaylord, MI
- Area
- Storm-based polygon
County Roscommon County, MI
The radar
The NCL Michigan radar (KAPX), 64 km from the middle of the area, began a volume at 23:21 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, 7:25 PM EDT | FUNNEL CLOUD | 5 N Houghton Lake, MI | |
| Jul 18, 7:30 PM EDT | TSTM WND DMG | 5 Nnw Prudenville, MI | ONE TREE DOWN. OTHER TREES DAMAGED BUT NOT DOWNED. TIME ESTIMATED FROM RADAR. |
| Jul 18, 7:32 PM EDT | TSTM WND DMG 65 | 2 Ene Prudenville, MI | *** 1 INJ *** 2 FOOT DIAMETER TREE FELL ON HOUSE. MAN INJURED FROM FALLING GLASS ON PORCH. |
| Jul 18, 7:32 PM EDT | TSTM WND GST 65 | 2 Ene Prudenville, MI | *** 1 INJ *** 2 FOOT DIAMETER TREE FELL ON HOUSE. MAN INJURED FROM FALLING GLASS ON PORCH. |
| Jul 18, 7:32 PM EDT | TORNADO | 4 N Houghton Lake, MI | PROBABLE RAIN WRAPPED TORNADO ALONG NORTH SHORE OF HOUGHTON LAKE. |
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, 1:47 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
The nearest sounding before it
Alpena, MI (KAPX), launched 12:00Z, 11.4 hours before the alert went out and 196 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
- 58 J/kg
- Mixed-layer CIN
- -116 J/kg
- Mixed-layer LCL
- 1073 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
630 WFUS53 KAPX 182321 TORAPX MIC143-190000- /O.NEW.KAPX.TO.W.0003.100718T2321Z-100719T0000Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE GAYLORD MI 721 PM EDT SUN JUL 18 2010 THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A * TORNADO WARNING FOR... ROSCOMMON COUNTY IN NORTHERN LOWER MICHIGAN... * UNTIL 800 PM EDT * AT 713 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 5 MILES NORTHWEST OF HOUGHTON LAKE...AND MOVING EAST AT 20 MPH. * LOCATIONS IMPACTED INCLUDE... HOUGHTON LAKE...PRUDENVILLE...ST. HELEN...ROSCOMMON COUNTY AIRPORT...LAKE ST. HELEN AND TWIN LAKES AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4431 8484 4444 8484 4442 8438 4419 8437 TIME...MOT...LOC 2321Z 282DEG 17KT 4436 8475 $$ MSB/JH
3 follow-up statements
082 WWUS34 KAPX 182331 SVSAPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GAYLORD MI 731 PM EDT SUN JUL 18 2010 MIC143-190000- /O.CON.KAPX.TO.W.0003.000000T0000Z-100719T0000Z/ ROSCOMMON MI- 731 PM EDT SUN JUL 18 2010 ...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL ROSCOMMON COUNTY UNTIL 800 PM EDT... AT 726 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR ROSCOMMON COUNTY AIRPORT...OR 5 MILES NORTH OF HOUGHTON LAKE...MOVING EAST AT 20 MPH. LOCATIONS IMPACTED INCLUDE... PRUDENVILLE...ST. HELEN...ROSCOMMON COUNTY AIRPORT...LAKE ST. HELEN AND TWIN LAKES AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4430 8475 4443 8474 4442 8438 4419 8437 TIME...MOT...LOC 2332Z 282DEG 17KT 4437 8469 WIND...HAIL <50MPH <.50IN $$ MSB/JH
807 WWUS34 KAPX 182341 SVSAPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GAYLORD MI 741 PM EDT SUN JUL 18 2010 MIC143-190000- /O.CON.KAPX.TO.W.0003.000000T0000Z-100719T0000Z/ ROSCOMMON MI- 741 PM EDT SUN JUL 18 2010 ...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL ROSCOMMON COUNTY UNTIL 800 PM EDT... AT 734 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR PRUDENVILLE...MOVING SOUTHEAST AT 25 MPH. LOCATIONS IMPACTED INCLUDE... ST. HELEN...LAKE ST. HELEN AND TWIN LAKES AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4429 8472 4441 8471 4442 8438 4419 8437 TIME...MOT...LOC 2341Z 302DEG 23KT 4430 8462 WIND...HAIL <50MPH <.50IN $$ MSB/JH
604 WWUS34 KAPX 182351 SVSAPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GAYLORD MI 751 PM EDT SUN JUL 18 2010 MIC143-190000- /O.CON.KAPX.TO.W.0003.000000T0000Z-100719T0000Z/ ROSCOMMON MI- 751 PM EDT SUN JUL 18 2010 ...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL ROSCOMMON COUNTY UNTIL 800 PM EDT... AT 743 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR PRUDENVILLE...MOVING SOUTHEAST AT 20 MPH. LOCATIONS IMPACTED INCLUDE... LAKE ST. HELEN AND TWIN LAKES AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4428 8467 4437 8467 4436 8438 4419 8437 TIME...MOT...LOC 2351Z 297DEG 17KT 4429 8459 WIND...HAIL <50MPH <.50IN $$ MSB/JH
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 5:37 PM EDT | Tornado Warning | APX | Manistee, Wexford | 42 min |
| Jul 18, 6:03 PM EDT | Tornado Warning | APX | Wexford | 42 min |
| Jul 18, 7:24 PM EDT | Tornado Warning | APX | Crawford, Ogemaw, Oscoda, Roscommon | 51 min |
Nearby
Tornado Warnings in Michigan, 2010Every tornado warning in 2010Tornadoes in 2010
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.