Alert archive / Michigan / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 4, NWS Gaylord, MI

May 3, 2012Crawford County, Missaukee County, Roscommon County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at May 3, 2012, 4:51 AM EDT for Crawford County, Missaukee County, Roscommon County, Michigan. It was in force for 24 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 3, 2012, 4:51 AM EDT (08:51 UTC)
Expired
May 3, 2012, 5:15 AM EDT
In force
24 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Crawford County, MI, Missaukee County, MI, Roscommon County, MI

The radar

The NCL Michigan radar (KAPX), 52 km from the middle of the area, began a volume at 08:52 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

Alpena, MI (KAPX), launched 00:00Z, 8.9 hours before the alert went out and 201 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, Alpena, MI at 00:00Z on 2012-05-03Temperature 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, Alpena, MI at 00:00Z on 2012-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 square meters per square second.19395878Sfc1 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
850 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
117 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.

641 
WUUS53 KAPX 030851
SVRAPX
MIC039-113-143-030915-
/O.NEW.KAPX.SV.W.0004.120503T0851Z-120503T0915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
451 AM EDT THU MAY 3 2012

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN CRAWFORD COUNTY IN NORTHERN LOWER MICHIGAN...
  EASTERN MISSAUKEE COUNTY IN NORTHERN LOWER MICHIGAN...
  NORTHWESTERN ROSCOMMON COUNTY IN NORTHERN LOWER MICHIGAN...

* UNTIL 515 AM EDT

* AT 447 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED 5 MILES NORTH OF MODDERSVILLE...OR 11 MILES WEST
  OF HOUGHTON LAKE...AND MOVING NORTHEAST AT 65 MPH.

* LOCATIONS IMPACTED INCLUDE...
  HOUGHTON LAKE...ROSCOMMON...ROSCOMMON COUNTY AIRPORT...HIGGINS
  LAKE...SOUTH HIGGINS LAKE STATE...NORTH HIGGINS LAKE PARK AND SOUTH
  BRANCH TOWNSHIP.

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 4433 8511 4481 8437 4452 8437 4420 8495
TIME...MOT...LOC 0851Z 230DEG 55KT 4433 8492
WIND...HAIL <50MPH 1.00IN

$$
2 follow-up statements
793 
WWUS34 KAPX 030906
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
506 AM EDT THU MAY 3 2012

MIC039-113-143-030915-
/O.CON.KAPX.SV.W.0004.000000T0000Z-120503T0915Z/
CRAWFORD MI-MISSAUKEE MI-ROSCOMMON MI-
506 AM EDT THU MAY 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
ROSCOMMON...EAST CENTRAL MISSAUKEE AND SOUTHEASTERN CRAWFORD COUNTIES
UNTIL 515 AM EDT...

AT 501 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED NEAR HOUGHTON LAKE...MOVING NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  ROSCOMMON...ROSCOMMON COUNTY AIRPORT...HIGGINS LAKE...NORTH HIGGINS
  LAKE PARK...SOUTH HIGGINS LAKE STATE AND SOUTH BRANCH TOWNSHIP.

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 4433 8511 4481 8437 4452 8437 4420 8495
TIME...MOT...LOC 0906Z 242DEG 39KT 4432 8475
WIND...HAIL <50MPH 1.00IN

$$
952 
WWUS34 KAPX 030911
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
511 AM EDT THU MAY 3 2012

MIC039-113-143-030921-
/O.EXP.KAPX.SV.W.0004.000000T0000Z-120503T0915Z/
CRAWFORD MI-MISSAUKEE MI-ROSCOMMON MI-
511 AM EDT THU MAY 3 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ROSCOMMON...EAST
CENTRAL MISSAUKEE AND SOUTHEASTERN CRAWFORD COUNTIES WILL EXPIRE AT
515 AM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.

LAT...LON 4433 8511 4481 8437 4452 8437 4420 8495
TIME...MOT...LOC 0911Z 248DEG 30KT 4428 8477
WIND...HAIL <50MPH <.50IN

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 4:04 AM EDTSevere Thunderstorm WarningAPXMissaukee, Wexford29 min
May 3, 4:39 AM EDTFlash Flood WarningAPXManistee, Missaukee, Wexford6 hr
May 3, 6:52 AM EDTSevere Thunderstorm WarningAPXArenac, Gladwin, Iosco, Ogemaw, Roscommon68 min
May 3, 7:18 AM EDTSpecial Marine WarningAPX117 min
May 3, 11:37 AM EDTSpecial Marine WarningAPX98 min
May 3, 11:47 AM EDTRiver Flood WatchAPXArenac11 hr
May 3, 12:30 PM EDTSpecial Marine WarningAPX71 min
May 3, 12:35 PM EDTSevere Thunderstorm WarningAPXBenzie, Grand Traverse, Leelanau, Manistee, Wexford55 min
May 3, 1:21 PM EDTSpecial Marine WarningAPX39 min
May 3, 3:18 PM EDTSpecial Marine WarningAPX102 min
May 3, 3:56 PM EDTTornado WarningAPXArenac, Gladwin49 min
May 3, 4:16 PM EDTTornado WarningAPXGladwin32 min
May 3, 4:56 PM EDTSpecial Marine WarningAPX55 min
May 3, 5:09 PM EDTRiver Flood WarningAPXArenac40 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.