Alert archive / Michigan / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 48, NWS Northern Indiana

May 22, 2011Hillsdale County, Michigan; Williams County, Ohio

NWS Northern Indiana issued this severe thunderstorm warning at May 22, 2011, 3:37 PM EDT for Hillsdale County, Michigan; Williams County, Ohio. It was in force for 68 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: May 22, 2011, 3:37 PM EDT (19:37 UTC)
Expired: May 22, 2011, 4:45 PM EDT
In force: 68 min
Issued by: NWS Northern Indiana
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Hillsdale County, MI, Williams County, OH

The radar

The Northern Indiana radar (KIWX), 97 km from the middle of the area, began a volume at 19:40 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

Time	Report	Where	Remark
May 22, 3:45 PM EDT	HAIL 0.7	Edon, OH
May 22, 4:03 PM EDT	TSTM WND DMG	Montpelier, OH	TREES DOWN
May 22, 4:11 PM EDT	HAIL 0.5	Montpelier, OH	PEA TO HALF INCH SIZE HAIL CURRENTLY FALLING

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 7.6 hours before the alert went out and 154 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: 330 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 743 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 94 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.

747 
WUUS53 KIWX 221937
SVRIWX
MIC059-OHC171-222045-
/O.NEW.KIWX.SV.W.0048.110522T1937Z-110522T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
337 PM EDT SUN MAY 22 2011

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN WILLIAMS COUNTY IN NORTHWEST OHIO...
  SOUTH CENTRAL HILLSDALE COUNTY IN SOUTHEAST MICHIGAN...

* UNTIL 445 PM EDT

* AT 335 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS SEVERE STORM WAS LOCATED
  NEAR EDON...OR 8 MILES WEST OF MONTPELIER...AND MOVING NORTHEAST AT
  25 MPH.

* LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
  MONTPELIER...
  PIONEER...

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE NETTLE
LAKE...BRIDGEWATER CENTER...LAKE SENECA...KUNKLE...FRONTIER...
ALVORDTON...RANSOM...BETZER AND WALDRON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTHERN INDIANA.

&&

LAT...LON 4155 8463 4153 8479 4163 8479 4185 8458
      4171 8439 4163 8438
TIME...MOT...LOC 1938Z 229DEG 23KT 4158 8474
WIND...HAIL 60MPH 1.00IN

$$

2 follow-up statements

387 
WWUS53 KIWX 222007
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
407 PM EDT SUN MAY 22 2011

MIC059-OHC171-222045-
/O.CON.KIWX.SV.W.0048.000000T0000Z-110522T2045Z/
HILLSDALE MI-WILLIAMS OH-
407 PM EDT SUN MAY 22 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR NORTHERN WILLIAMS AND SOUTHEASTERN HILLSDALE COUNTIES...

AT 403 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS SEVERE STORM WAS
LOCATED NEAR PIONEER...OR ABOUT 7 MILES NORTH OF MONTPELIER...AND
MOVING NORTHEAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  ALVORDTON...BETZER AND WALDRON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTHERN INDIANA.

&&

LAT...LON 4155 8463 4155 8468 4159 8471 4178 8449
      4171 8439 4163 8438
TIME...MOT...LOC 2007Z 229DEG 23KT 4170 8455
WIND...HAIL 60MPH 1.00IN

$$

744 
WWUS53 KIWX 222024
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
424 PM EDT SUN MAY 22 2011

MIC059-OHC171-222045-
/O.CON.KIWX.SV.W.0048.000000T0000Z-110522T2045Z/
HILLSDALE MI-WILLIAMS OH-
424 PM EDT SUN MAY 22 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR NORTHEASTERN WILLIAMS AND SOUTHEASTERN HILLSDALE COUNTIES...

AT 422 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS SEVERE STORM WAS
LOCATED OVER CENTRAL WILLIAMS COUNTY...OR ABOUT 5 MILES EAST OF
MONTPELIER...AND MOVING NORTHEAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  KUNKLE...ALVORDTON...BETZER AND WALDRON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTHERN INDIANA.

&&

LAT...LON 4158 8455 4160 8456 4163 8455 4177 8447
      4171 8439 4163 8438
TIME...MOT...LOC 2024Z 243DEG 19KT 4161 8450
WIND...HAIL 60MPH 1.00IN

$$

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 22, 4:03 PM EDT	Severe Thunderstorm Warning	IWX	Hillsdale	15 min
May 22, 7:18 PM EDT	Special Weather Statement	IWX	Saint Joseph	57 min
May 22, 7:43 PM EDT	Severe Thunderstorm Warning	IWX	Branch, Saint Joseph	50 min
May 22, 4:34 PM EDT	Special Weather Statement	IWX	Fulton	26 min
May 22, 4:42 PM EDT	Severe Thunderstorm Warning	IWX	Fulton	28 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2011 Severe Thunderstorm Warnings in Ohio, 2011 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.