Alert archive / Michigan / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 21, NWS Grand Rapids, MI

June 22, 2015Ingham County, Jackson County, Michigan

NWS Grand Rapids, MI issued this severe thunderstorm warning at Jun 22, 2015, 11:31 PM EDT for Ingham County, Jackson County, Michigan. It was in force for 44 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: Jun 22, 2015, 11:31 PM EDT (03:31 UTC)
Expired: Jun 23, 2015, 12:15 AM EDT
In force: 44 min
Issued by: NWS Grand Rapids, MI
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

Counties Ingham County, MI, Jackson County, MI

The radar

The Detroit radar (KDTX), 88 km from the middle of the area, began a volume at 03:30 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
Jun 22, 9:17 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 3.5 hours before the alert went out and 92 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2155 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 783 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 461 m²/s²
0-3 km storm-relative helicity: 798 m²/s²
Significant tornado parameter: 7.6
Supercell composite: 31.2

Open this sounding in Storm Lab

The text

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

812 
WUUS53 KGRR 230331
SVRGRR
MIC065-075-230415-
/O.NEW.KGRR.SV.W.0021.150623T0331Z-150623T0415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1131 PM EDT MON JUN 22 2015

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JACKSON COUNTY IN SOUTH CENTRAL MICHIGAN...
  INGHAM COUNTY IN SOUTH CENTRAL MICHIGAN...

* UNTIL 1215 AM EDT

* AT 1130 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ALBION...
  MOVING EAST AT 30 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  JACKSON...             MASON...               VANDERCOOK LAKE...
  LESLIE...              STOCKBRIDGE...         BROOKLYN...
  GRASS LAKE...          LEONI...               SPRING ARBOR...
  NAPOLEON...            SANDSTONE...           AURELIUS...
  ONONDAGA...            NORVELL...             BUNKER HILL...
  PULASKI...             WEBBERVILLE...         CONCORD...
  HORTON...              SPRINGPORT...          

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM EDT FOR SOUTH CENTRAL
MICHIGAN.

LAT...LON 4207 8471 4242 8472 4242 8460 4263 8460
      4267 8415 4243 8414 4242 8413 4207 8413
TIME...MOT...LOC 0330Z 272DEG 25KT 4233 8474 

TORNADO...POSSIBLE
HAIL...<1.00IN
WIND...60MPH
 
$$

TJT

1 follow-up statement

815 
WWUS53 KGRR 230357
SVSGRR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1157 PM EDT MON JUN 22 2015

MIC065-230406-
/O.CAN.KGRR.SV.W.0021.000000T0000Z-150623T0415Z/
INGHAM MI-
1157 PM EDT MON JUN 22 2015

...THE SEVERE THUNDERSTORM WARNING FOR INGHAM COUNTY IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED. 
THEREFORE THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM EDT FOR SOUTH CENTRAL
MICHIGAN.

LAT...LON 4222 8471 4242 8472 4242 8413 4222 8413
TIME...MOT...LOC 0356Z 272DEG 25KT 4232 8449 

$$

MIC075-230415-
/O.CON.KGRR.SV.W.0021.000000T0000Z-150623T0415Z/
JACKSON MI-
1157 PM EDT MON JUN 22 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT
FOR NORTHERN JACKSON COUNTY...

AT 1156 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES NORTHWEST
OF JACKSON...MOVING EAST AT 30 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
JACKSON...             GRASS LAKE...          LEONI...
SANDSTONE...           SPRINGPORT...          PARMA...
RIVES JUNCTION...      TOPKINS...             MICHIGAN CENTER...
MUNITH...              

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM EDT FOR SOUTH CENTRAL
MICHIGAN.

LAT...LON 4222 8471 4242 8472 4242 8413 4222 8413
TIME...MOT...LOC 0356Z 272DEG 25KT 4232 8449 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

04

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 9:25 PM EDT	River Flood Advisory	GRR	Ionia	10 days
Jun 22, 9:25 PM EDT	River Flood Advisory	GRR	Clinton	35 hr
Jun 22, 9:59 PM EDT	Small Craft Advisory	GRR		9 hr
Jun 22, 10:01 PM EDT	Severe Thunderstorm Warning	GRR	Kalamazoo, Van Buren	44 min
Jun 22, 10:14 PM EDT	Areal Flood Advisory	GRR	Allegan, Barry, Calhoun, Kalamazoo, Van Buren	12 hr
Jun 22, 10:14 PM EDT	Severe Thunderstorm Warning	GRR	Barry, Calhoun, Eaton	61 min
Jun 22, 10:22 PM EDT	Special Marine Warning	GRR		53 min
Jun 22, 10:25 PM EDT	Tornado Warning	GRR	Kalamazoo, Van Buren	50 min
Jun 22, 10:47 PM EDT	Severe Thunderstorm Warning	GRR	Allegan, Van Buren	43 min
Jun 22, 11:14 PM EDT	Severe Thunderstorm Warning	GRR	Allegan, Barry, Calhoun, Eaton	46 min
Jun 22, 11:25 PM EDT	Areal Flood Warning	GRR	Allegan, Barry, Calhoun, Eaton, Kalamazoo, Van Buren	12 hr
Jun 22, 11:25 PM EDT	Severe Thunderstorm Warning	GRR	Kalamazoo, Van Buren	42 min
Jun 22, 11:56 PM EDT	Severe Thunderstorm Warning	GRR	Calhoun	34 min
Jun 22, 11:58 PM EDT	Areal Flood Warning	GRR	Calhoun, Eaton, Ingham, Jackson	12 hr
Jun 23, 12:03 AM EDT	Areal Flood Advisory	GRR	Allegan, Barry, Eaton, Ingham	12 hr
Jun 23, 12:13 AM EDT	Severe Thunderstorm Warning	GRR	Jackson	24 min
Jun 23, 12:34 AM EDT	Areal Flood Advisory	GRR	Clinton, Ionia	12 hr
Jun 23, 1:35 AM EDT	River Flood Advisory	GRR	Ingham	39 hr
Jun 23, 2:57 AM EDT	River Flood Warning	GRR	Clinton	3 days
Jun 23, 3:49 AM EDT	River Flood Advisory	GRR	Jackson	10 hr
Jun 23, 3:49 AM EDT	River Flood Advisory	GRR	Kent	6 days
Jun 23, 3:49 AM EDT	River Flood Advisory	GRR	Ingham	53 hr
Jun 23, 3:49 AM EDT	River Flood Advisory	GRR	Ingham	3 days
Jun 23, 3:49 AM EDT	River Flood Advisory	GRR	Clinton	6 days
Jun 23, 3:49 AM EDT	River Flood Advisory	GRR	Barry	7 days
Jun 23, 11:02 AM EDT	River Flood Advisory	GRR	Eaton	69 hr
Jun 23, 11:02 AM EDT	River Flood Advisory	GRR	Ionia	33 hr
Jun 23, 11:02 AM EDT	River Flood Advisory	GRR	Calhoun	23 hr
Jun 23, 11:02 AM EDT	River Flood Advisory	GRR	Allegan	10 days
Jun 23, 11:22 AM EDT	Areal Flood Advisory	GRR	Calhoun, Eaton	24 hr
Jun 23, 11:36 AM EDT	Beach Hazards Statement	GRR	Allegan, Muskegon, Ottawa, Van Buren	5 hr
Jun 23, 12:35 PM EDT	River Flood Advisory	GRR	Kent	4 days

Nearby

Severe Thunderstorm Warnings in Michigan, 2015 Every severe thunderstorm warning in 2015

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.