Alert archive / Michigan / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 23, NWS Gaylord, MI

July 25, 2012Gladwin County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jul 25, 2012, 9:58 PM EDT for Gladwin County, Michigan. It was in force for 44 min. 3 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 25, 2012, 9:58 PM EDT (01:58 UTC)
Expired
Jul 25, 2012, 10:42 PM EDT
In force
44 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

County Gladwin County, MI

The radar

The NCL Michigan radar (KAPX), 115 km from the middle of the area, began a volume at 02:00 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

TimeReportWhereRemark
Jul 25, 10:05 PM EDTTSTM WND DMGGladwin, MIREPORTS OF LARGE TREE LIMBS DOWN AND POWER OUTAGES COUNTY WIDE.
Jul 25, 10:16 PM EDTTSTM WND DMG1 Wsw Wooden Shoe Villa, MITREES DOWN. TIME ESTIMATED BY RADAR.
Jul 25, 10:19 PM EDTTSTM WND DMG8 E Beaverton, MISIX INCH BRANCHES DOWN. TIME ESTIMATED BY RADAR.

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.

IssuedProductOfficeLasted
Jul 25, 7:38 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 2.0 hours before the alert went out and 153 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.

Skew-T log-pSkew-T log-p diagram, Detroit, MI at 00:00Z on 2012-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 00:00Z on 2012-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 226 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1843 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
226 m²/s²
0-3 km storm-relative helicity
373 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

518 
WUUS53 KAPX 260158
SVRAPX
MIC051-260300-
/O.NEW.KAPX.SV.W.0023.120726T0158Z-120726T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
958 PM EDT WED JUL 25 2012

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GLADWIN COUNTY IN NORTHERN LOWER MICHIGAN...

* UNTIL 1100 PM EDT

* AT 956 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED NEAR
  SKEELS...OR 12 MILES NORTHWEST OF GLADWIN...AND MOVING EAST AT 45
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  GLADWIN...SKEELS...BEAVERTON...HOCKADAY...WINEGARS...WOODEN SHOE
  VILLAGE...BOWMANVILLE AND RHODES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

THIS STORM HAS EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP
QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

LAT...LON 4382 8462 4416 8461 4416 8417 4383 8416
      4382 8417 4382 8436 4381 8437 4381 8460
TIME...MOT...LOC 0158Z 275DEG 37KT 4411 8464
WIND...HAIL 70MPH 1.00IN

$$
3 follow-up statements
964 
WWUS34 KAPX 260210
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
1010 PM EDT WED JUL 25 2012

MIC051-260300-
/O.CON.KAPX.SV.W.0023.000000T0000Z-120726T0300Z/
GLADWIN MI-
1010 PM EDT WED JUL 25 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR GLADWIN COUNTY
UNTIL 1100 PM EDT...

AT 1005 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND 
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED JUST 
NORTHWEST OF THE CITY OF GLADWIN...MOVING EAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  HOCKADAY...WINEGARS...WOODEN SHOE VILLAGE...BOWMANVILLE AND RHODES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

THIS STORM HAS EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP
QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE... SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

LAT...LON 4382 8462 4416 8461 4416 8417 4383 8416
      4382 8417 4382 8436 4381 8437 4381 8460
TIME...MOT...LOC 0208Z 275DEG 37KT 4403 8446
WIND...HAIL 70MPH 1.00IN

$$
000 
WWUS34 KAPX 260223
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
1023 PM EDT WED JUL 25 2012

MIC051-260300-
/O.CON.KAPX.SV.W.0023.000000T0000Z-120726T0300Z/
GLADWIN MI-
1023 PM EDT WED JUL 25 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR GLADWIN COUNTY
UNTIL 1100 PM EDT...

AT 1019 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED NEAR
WOODEN SHOE VILLAGE...OR 8 MILES EAST OF GLADWIN...MOVING EAST AT 45
MPH.

LOCATIONS IMPACTED INCLUDE...
  RHODES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

THIS STORM HAS EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP
QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE... SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

&&

LAT...LON 4382 8462 4416 8461 4416 8417 4383 8416
      4382 8417 4382 8436 4381 8437 4381 8460
TIME...MOT...LOC 0223Z 283DEG 38KT 4398 8428
WIND...HAIL 70MPH 1.00IN

$$
399 
WWUS34 KAPX 260242
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
1042 PM EDT WED JUL 25 2012

MIC051-260250-
/O.CAN.KAPX.SV.W.0023.000000T0000Z-120726T0300Z/
GLADWIN MI-
1042 PM EDT WED JUL 25 2012

...THE SEVERE THUNDERSTORM WARNING FOR GLADWIN COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA...HOWEVER HEAVY RAIN IS STILL POSSIBLE ACROSS THE AREA.

IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 3 AM EDT. 

LAT...LON 4382 8462 4416 8461 4416 8417 4383 8416
      4382 8417 4382 8436 4381 8437 4381 8460
TIME...MOT...LOC 0240Z 283DEG 38KT 4394 8404
WIND...HAIL <50MPH <.50IN

$$

The office that day

Everything else NWS Gaylord, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 25, 8:22 PM EDTSpecial Marine WarningAPX83 min
Jul 25, 8:40 PM EDTSevere Thunderstorm WarningAPXMissaukee, Wexford65 min
Jul 25, 8:57 PM EDTSevere Thunderstorm WarningAPXManistee, Missaukee, Wexford60 min
Jul 25, 8:59 PM EDTTornado WarningAPXMissaukee, Wexford34 min
Jul 25, 10:22 PM EDTFlash Flood WarningAPXMissaukee, Wexford3 hr
Jul 25, 10:34 PM EDTSevere Thunderstorm WarningAPXArenac29 min
Jul 25, 10:46 PM EDTFlash Flood WarningAPXManistee3 hr
Jul 25, 11:16 PM EDTFlash Flood WarningAPXGladwin3 hr

Nearby

Severe Thunderstorm Warnings in Michigan, 2012Every severe thunderstorm warning in 2012

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.