Alert archive / Michigan / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 39, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Jul 18, 2005, 12:48 PM EDT for Montmorency County, Michigan. It was in force for 49 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
- Jul 18, 2005, 12:48 PM EDT (16:48 UTC)
- Expired
- Jul 18, 2005, 1:37 PM EDT
- In force
- 49 min
- Issued by
- NWS Gaylord, MI
- Area
- Counties, with a storm outline in the text
County Montmorency County, MI
The radar
The NCL Michigan radar (KAPX), 48 km from the middle of the area, began a volume at 16:47 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.
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, 11:10 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Alpena, MI (KAPX), launched 12:00Z, 4.8 hours before the alert went out and 138 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
- 1597 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 1074 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -42 m²/s²
- 0-3 km storm-relative helicity
- -49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KAPX 181648 SVRAPX MIC119-181745- /O.NEW.KAPX.SV.W.0039.050718T1648Z-050718T1745Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GAYLORD MI 1248 PM EDT MON JUL 18 2005 THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MONTMORENCY COUNTY IN NORTHERN LOWER MICHIGAN * UNTIL 145 PM EDT * AT 1242 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM CLEAR LAKE STATE PARK TO LEWISTON...MOVING EAST AT 35 MPH. * THESE SEVERE THUNDERSTORMS WILL BE NEAR... ATLANTA AROUND 1255 PM EDT... LOCKWOOD LAKE AROUND 110 PM EDT... SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL. ALL THUNDERSTORMS PRODUCE DEADLY LIGHTNING. REMAIN INDOORS AWAY FROM WINDOWS UNTIL THESE STORMS HAVE PASSED. IF CAUGHT OUTDOORS...STAY AWAY FROM TALL OBJECTS AND MOVE TO A PLACE OF SHELTER. LAT...LON 4518 8430 4486 8434 4487 8391 4519 8391 $$
2 follow-up statements
000 WWUS34 KAPX 181712 SVSAPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GAYLORD MI 111 PM EDT MON JUL 18 2005 MIC119-181745- /O.CON.KAPX.SV.W.0039.000000T0000Z-050718T1745Z/ MONTMORENCY MI- 111 PM EDT MON JUL 18 2005 ...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 145 PM EDT FOR MONTMORENCY COUNTY... AT 108 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 11 MILES EAST OF CLEAR LAKE STATE PARK TO LOCKWOOD LAKE...MOVING EAST AT 30 MPH. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL. ALL THUNDERSTORMS PRODUCE DEADLY LIGHTNING. REMAIN INDOORS AWAY FROM WINDOWS UNTIL THESE STORMS HAVE PASSED. IF CAUGHT OUTDOORS...STAY AWAY FROM TALL OBJECTS AND MOVE TO A PLACE OF SHELTER. LAT...LON 4518 8430 4486 8434 4487 8391 4519 8391 $$
000 WWUS34 KAPX 181737 SVSAPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GAYLORD MI 136 PM EDT MON JUL 18 2005 MIC119-181746- /O.CAN.KAPX.SV.W.0039.000000T0000Z-050718T1745Z/ MONTMORENCY MI- 136 PM EDT MON JUL 18 2005 ...THE SEVERE THUNDERSTORM WARNING FOR MONTMORENCY COUNTY IS CANCELLED... AT 136 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE STORMS WHICH PROMPTED THE SEVERE THUNDERSTORM WARNING HAVE EXITED THE AREA. THE WARNING HAS THEREFORE BEEN CANCELLED. OTSEGO COUNTY EMERGENCY MANAGER REPORTED NUMEROUS TREES DOWN IN FAR WESTERN MONTMORENCY COUNTY. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT...AND CONDITIONS REMAIN FAVORABLE FOR THE DEVELOPMENT OF SEVERE WEATHER IN AND NEAR THE WATCH AREA. REMAIN ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. BE PREPARED TO TAKE ACTION IF SEVERE WEATHER APPROACHES. LAT...LON 4518 8430 4486 8434 4487 8391 4519 8391 $$
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 5:10 AM EDT | Severe Thunderstorm Warning | APX | Cheboygan | 20 min |
| Jul 18, 6:32 AM EDT | Special Marine Warning | APX | 118 min | |
| Jul 18, 12:19 PM EDT | Severe Thunderstorm Warning | APX | Otsego | 32 min |
| Jul 18, 1:24 PM EDT | Severe Thunderstorm Warning | APX | Alpena, Presque Isle | 62 min |
| Jul 18, 1:29 PM EDT | Severe Thunderstorm Warning | APX | Ogemaw, Oscoda | 61 min |
| Jul 18, 1:29 PM EDT | Severe Thunderstorm Warning | APX | Ogemaw, Oscoda | 61 min |
| Jul 18, 1:38 PM EDT | Special Marine Warning | APX | 69 min | |
| Jul 18, 2:34 PM EDT | Special Marine Warning | APX | 56 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2005Every severe thunderstorm warning in 2005
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; radar from the NEXRAD Level II archive.