Alert archive / Michigan / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 8, NWS Gaylord, MI

May 15, 2012Missaukee County, Roscommon County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at May 15, 2012, 8:37 PM EDT for Missaukee County, Roscommon County, Michigan. It was in force for 53 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
May 15, 2012, 8:37 PM EDT (00:37 UTC)
Expired
May 15, 2012, 9:30 PM EDT
In force
53 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Missaukee County, MI, Roscommon County, MI

The radar

The NCL Michigan radar (KAPX), 71 km from the middle of the area, began a volume at 00:37 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, 0.6 hours before the alert went out and 208 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 2012-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 joules per kilogram.LCLLFCEL10008507005003002001001 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 2012-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
12 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
2643 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

691 
WUUS53 KAPX 160037
SVRAPX
MIC113-143-160130-
/O.NEW.KAPX.SV.W.0008.120516T0037Z-120516T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
837 PM EDT TUE MAY 15 2012

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MISSAUKEE COUNTY IN NORTHERN LOWER MICHIGAN...
  ROSCOMMON COUNTY IN NORTHERN LOWER MICHIGAN...

* UNTIL 930 PM EDT

* AT 832 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR MOREY...OR 9 MILES NORTH OF LAKE CITY...AND
  MOVING EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  HOUGHTON LAKE...PRUDENVILLE...ROSCOMMON...ST. HELEN...FALMOUTH...
  VOGEL CENTER...MOORESTOWN...MODDERSVILLE...HIGGINS LAKE...NORTH
  HIGGINS LAKE PARK...ROSCOMMON TOWNSHIP...ROSCOMMON COUNTY
  AIRPORT...SOUTH HIGGINS LAKE STATE...NESTER TOWNSHIP...LAKE ST.
  HELEN...TWIN LAKES AREA...STITTSVILLE AND MERRITT.

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.

&&

LAT...LON 4417 8533 4451 8534 4450 8437 4416 8438
      4416 8444
TIME...MOT...LOC 0037Z 272DEG 38KT 4446 8519
WIND...HAIL <50MPH 1.00IN

$$
3 follow-up statements
777 
WWUS34 KAPX 160108
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
908 PM EDT TUE MAY 15 2012

MIC113-143-160130-
/O.CON.KAPX.SV.W.0008.000000T0000Z-120516T0130Z/
MISSAUKEE MI-ROSCOMMON MI-
908 PM EDT TUE MAY 15 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR ROSCOMMON AND
MISSAUKEE COUNTIES UNTIL 930 PM EDT...

AT 905 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED NEAR VOGEL CENTER...OR 10 MILES SOUTHEAST OF LAKE
CITY...MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  HOUGHTON LAKE...PRUDENVILLE...ST. HELEN...ROSCOMMON...VOGEL
  CENTER...MODDERSVILLE...MOORESTOWN...ROSCOMMON TOWNSHIP...ROSCOMMON
  COUNTY AIRPORT...NESTER TOWNSHIP...TWIN LAKES AREA...LAKE ST.
  HELEN...SOUTH HIGGINS LAKE STATE...HIGGINS LAKE...NORTH HIGGINS
  LAKE PARK...STITTSVILLE AND MERRITT.

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.

&&

LAT...LON 4417 8533 4451 8534 4450 8437 4416 8438
      4416 8444
TIME...MOT...LOC 0108Z 265DEG 39KT 4420 8508
WIND...HAIL <50MPH 1.00IN

$$
293 
WWUS34 KAPX 160122
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
922 PM EDT TUE MAY 15 2012

MIC113-143-160130-
/O.CON.KAPX.SV.W.0008.000000T0000Z-120516T0130Z/
MISSAUKEE MI-ROSCOMMON MI-
922 PM EDT TUE MAY 15 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR ROSCOMMON AND
MISSAUKEE COUNTIES UNTIL 930 PM EDT...

AT 919 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED NEAR MODDERSVILLE...OR 10 MILES SOUTHWEST OF
HOUGHTON LAKE...MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  HOUGHTON LAKE...PRUDENVILLE...ST. HELEN...ROSCOMMON...ROSCOMMON
  TOWNSHIP...ROSCOMMON COUNTY AIRPORT...NESTER TOWNSHIP...TWIN LAKES
  AREA...LAKE ST. HELEN...SOUTH HIGGINS LAKE STATE...HIGGINS LAKE AND
  NORTH HIGGINS LAKE PARK.

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.

&&

LAT...LON 4417 8533 4451 8534 4450 8437 4416 8438
      4416 8444
TIME...MOT...LOC 0122Z 265DEG 39KT 4421 8487
WIND...HAIL <50MPH 1.00IN

$$
201 
WWUS34 KAPX 160129
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
929 PM EDT TUE MAY 15 2012

MIC113-143-160140-
/O.EXP.KAPX.SV.W.0008.000000T0000Z-120516T0130Z/
MISSAUKEE MI-ROSCOMMON MI-
929 PM EDT TUE MAY 15 2012

...THE SEVERE THUNDERSTORM WARNING FOR ROSCOMMON AND MISSAUKEE
COUNTIES HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED ACROSS THE WARNED 
AREA.

LAT...LON 4417 8533 4451 8534 4450 8437 4416 8438
      4416 8444
TIME...MOT...LOC 0130Z 265DEG 39KT 4422 8475
WIND...HAIL <50MPH <.50IN

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 8:25 PM EDTSevere Thunderstorm WarningAPXManistee, Wexford44 min
May 16, 3:14 AM EDTSmall Craft AdvisoryAPX19 hr
May 16, 4:11 PM EDTFrost AdvisoryAPXAlcona, Alpena, Arenac, Benzie, Emmet, Grand Traverse and 8 more16 hr
May 16, 4:11 PM EDTFreeze WarningAPXAntrim, Cheboygan, Crawford, Gladwin, Kalkaska, Missaukee and 5 more16 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.