Alert archive / Michigan / Wind Advisories in 2011
Wind Advisory 7, NWS Detroit, MI
NWS Detroit, MI issued this wind advisory at Oct 20, 2011, 4:05 AM EDT for 4 counties in Michigan. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Oct 20, 2011, 4:05 AM EDT (08:05 UTC)
- Expired
- Oct 20, 2011, 9:59 AM EDT
- In force
- 6 hr
- Issued by
- NWS Detroit, MI
Counties Bay County, MI, Huron County, MI, Saginaw County, MI, Tuscola County, MI
The radar
The Detroit radar (KDTX), 102 km from the middle of the area, began a volume at 08:04 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 nearest sounding before it
Detroit, MI (KDTX), launched 00:00Z, 8.1 hours before the alert went out and 100 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
- 3 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 485 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 255 m²/s²
- 0-3 km storm-relative helicity
- 382 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
171 WWUS73 KDTX 200805 NPWDTX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 405 AM EDT THU OCT 20 2011 ...WINDS TO GRADUALLY DIMINISH DURING THE MORNING... .A POWERFUL LOW PRESSURE SYSTEM WILL WEAKEN DURING THE MORNING WHILE MOVING FROM THE WEST END OF LAKE ERIE THROUGH SOUTHERN ONTARIO. AS THIS OCCURS...WIND GUSTS WILL REMAIN STRONG FROM THE NORTHEAST OVER SAGINAW BAY...BUT NOT AS STRONG AS EARLIER IN THE NIGHT. WIND GUSTS AROUND 45 MPH WILL CONTINUE TO DIMINISH DURING THE MORNING AS THE WIND DIRECTION TURNS TOWARD THE NORTH AND AS THE SYSTEM CONTINUES TO EXIT SOUTHEAST MICHIGAN. MIZ048-049-053-054-201600- /O.CAN.KDTX.HW.W.0001.000000T0000Z-111020T0800Z/ /O.NEW.KDTX.WI.Y.0007.111020T0805Z-111020T1600Z/ BAY-HURON-SAGINAW-TUSCOLA- INCLUDING THE CITIES OF...BAY CITY...BAD AXE...SAGINAW...CARO 405 AM EDT THU OCT 20 2011 ...WIND ADVISORY IN EFFECT UNTIL NOON EDT TODAY... ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL NOON EDT TODAY. THE HIGH WIND WARNING HAS BEEN CANCELLED. * NORTHEASTERLY WINDS WILL PERSIST THROUGH THE MORNING HOURS WITH PEAK GUSTS AROUND 45 MPH. * THE STRONGEST WINDS ARE EXPECTED IMMEDIATELY ALONG THE SHORELINE OF SAGINAW BAY WITH SOME WEAKENING EXPECTED AFTER SUNRISE AS THE WIND DIRECTION TURNS TOWARD THE NORTH. IMPACTS... * DAMAGE TO TREES AND UNSECURED PROPERTY NEAR SAGINAW BAY REMAINS POSSIBLE DURING THE MORNING. * TRAVEL ALONG M 25 AND I 75 WILL BE MADE DIFFICULT BY THE GUSTY WINDS...ESPECIALLY FOR HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... * A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GUSTS OF 45 MPH ARE EXPECTED. USE EXTRA CAUTION. && $$ MIZ047-055-200915- /O.CAN.KDTX.WI.Y.0006.000000T0000Z-111020T0800Z/ MIDLAND-SANILAC- INCLUDING THE CITIES OF...MIDLAND...SANDUSKY 405 AM EDT THU OCT 20 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE WIND ADVISORY. HAZARDOUS WEATHER... * NORTHEASTERLY WINDS WILL PERSIST THROUGH THE MORNING HOURS WITH PEAK GUSTS NEAR 40 MPH. THE GUSTS WILL CONTINUE TO DIMINISH WITH TIME AS THE WIND DIRECTION TURNS TOWARD THE NORTH. IMPACTS... * WIND GUSTS EARLIER IN THE NIGHT REACHED 45 TO 50 MPH...BUT HAVE SINCE DIMINISHED TO LESS THAN 45 MPH...ALLOWING CANCELLATION OF THE WIND ADVISORY. PRECAUTIONARY/PREPAREDNESS ACTIONS... * SEND REPORTS TO NWS DETROIT/PONTIAC OR VISIT WEATHER.GOV/DTX FOR MORE INFORMATION. && $$ BT
1 follow-up statement
658 WWUS73 KDTX 201359 NPWDTX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 959 AM EDT THU OCT 20 2011 ...WINDS HAVE DECREASED ACROSS THE AREA... .LOW PRESSURE WILL TRACK FROM METRO DETROIT INTO ONTARIO TODAY AND WILL CONTINUE TO WEAKEN. THIS WILL CONTINUE TO THE TREND IN BACKING THE WINDS TOWARD THE NORTH WHILE DECREASING. MIZ048-049-053-054-201500- /O.CAN.KDTX.WI.Y.0007.000000T0000Z-111020T1600Z/ BAY-HURON-SAGINAW-TUSCOLA- INCLUDING THE CITIES OF...BAY CITY...BAD AXE...SAGINAW...CARO 959 AM EDT THU OCT 20 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS CANCELLED THE WIND ADVISORY. HAZARDOUS WEATHER... * NORTHERLY WINDS OF 15 TO 25 MPH WITH A FEW GUSTS TO 30 MPH WILL CONTINUE THROUGH THE AFTERNOON. * WIND GUSTS IN EXCESS OF 40 MPH ARE NO LONGER EXPECTED. IMPACTS... * THERE HAVE BEEN REPORTS OF NUMEROUS DOWNED TREES AND POWER LINES ACROSS THE TRI CITIES AND NORTHERN THUMB REGION FROM LAST NIGHTS WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... * SEND REPORTS TO NWS DETROIT/PONTIAC OR VISIT WEATHER.GOV/DTX FOR MORE INFORMATION. && $$ SC
Nearby
Wind Advisories in Michigan, 2011Every wind advisory in 2011
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.