Alert archive / Indiana / Special Weather Statements in 2018

Special Weather Statement, NWS Northern Indiana

July 20, 2018Blackford County, Jay County, Indiana

NWS Northern Indiana issued this special weather statement at Jul 20, 2018, 10:41 AM EDT for Blackford County, Jay County, Indiana. It was in force for 49 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: Jul 20, 2018, 10:41 AM EDT (14:41 UTC)
Expired: Jul 20, 2018, 11:30 AM EDT
In force: 49 min
Issued by: NWS Northern Indiana

Counties Blackford County, IN, Jay County, IN

The radar

The Northern Indiana radar (KIWX), 115 km from the middle of the area, began a volume at 14:41 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

Lincoln, IL (KILX), launched 12:00Z, 2.7 hours before the alert went out and 293 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: 265 J/kg
Mixed-layer CIN: -249 J/kg
Mixed-layer LCL: 1579 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 273 m²/s²
0-3 km storm-relative helicity: 343 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Northern Indiana wrote its last area forecast discussion before this special weather statement went out at Jul 20, 10:00 AM EDT, 41 minutes earlier.

Area forecast discussion, Jul 20, 10:00 AM EDT, 41 minutes before

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Hazardous weather outlook, Jul 20, 4:24 AM EDT, 6 hours 17 minutes before

Hazardous Weather Outlook
National Weather Service Northern Indiana
424 AM EDT Fri Jul 20 2018

MIZ077>081-210900-
Berrien-Cass MI-St. Joseph MI-Branch-Hillsdale-
424 AM EDT Fri Jul 20 2018

This hazardous weather outlook is for portions of southwest
Michigan.

.DAY ONE...Today and Tonight

Thunderstorms are expected this afternoon. Some storms could be strong
to severe with gusty winds.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

High risk for rip currents on Lake Michigan Saturday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon.

&&

Stay tuned to NOAA Weather Radio for further details or updates...or
check our web site at weather.gov/iwx

INZ003>009-012>018-020-022-023-210900-
La Porte-St. Joseph IN-Elkhart-Lagrange-Steuben-Noble-De Kalb-Starke-
Pulaski-Marshall-Fulton IN-Kosciusko-Whitley-Allen IN-White-Cass IN-
Miami-
424 AM EDT Fri Jul 20 2018 /324 AM CDT Fri Jul 20 2018/

This hazardous weather outlook is for portions of northern Indiana.

.DAY ONE...Today and Tonight

Thunderstorms are expected this afternoon. Some storms may be severe
with damaging winds.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

High risk for rip currents on Lake Michigan Saturday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon.

&&

Stay tuned to NOAA Weather Radio for further details or updates...or
check our web site at weather.gov/iwx

OHZ001-002-004-005-015-016-025-210900-
Williams-Fulton OH-Defiance-Henry-Paulding-Putnam-Allen OH-
424 AM EDT Fri Jul 20 2018

This hazardous weather outlook is for portions of northwest Ohio.

.DAY ONE...Today and Tonight

Thunderstorms are expected this afternoon. Some storms could be strong
to severe with gusty winds.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon.

&&

Stay tuned to NOAA Weather Radio for further details or updates...or
check our web site at weather.gov/iwx

INZ024>027-032>034-OHZ024-210900-
Wabash-Huntington-Wells-Adams-Grant-Blackford-Jay-Van Wert-
424 AM EDT Fri Jul 20 2018

This hazardous weather outlook is for portions of northern Indiana
and northwest Ohio.

.DAY ONE...Today and Tonight

Thunderstorms are expected this afternoon. Some storms may be severe
with damaging winds and perhaps a tornado.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon.

&&

Stay tuned to NOAA Weather Radio for further details or updates...or
check our web site at weather.gov/iwx

LMZ043-046-210900-
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
424 AM EDT Fri Jul 20 2018

This hazardous weather outlook is for portions of The Nearshore
Waters of Southeastern Lake Michigan.

.DAY ONE...Today and Tonight

An isolated thunderstorm is possible this afternoon. Hazardous
conditions for small craft will exist through this afternoon.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Hazardous conditions for small craft are expected Saturday.

&&

Stay tuned to NOAA Weather Radio for further details or updates...or
check our web site at weather.gov/iwx

In the hours before

Special weather statement, Jul 20, 8:46 AM EDT, 1 hour 55 minutes before

Special Weather Statement
National Weather Service Northern Indiana
846 AM EDT FRI JUL 20 2018

INZ005-006-008-016-201330-
Lagrange-Noble-Kosciusko-Elkhart-
846 AM EDT FRI JUL 20 2018

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN
ELKHART...WESTERN NOBLE...NORTHERN KOSCIUSKO AND SOUTHWESTERN
LAGRANGE COUNTIES...

At 844 AM EDT, strong thunderstorms were clustered from near Warsaw
to Nappanee, moving northeast at 45 mph.

Winds of 30 to 40 mph, pea size hail and frequent lightning are
possible with these storms.

Locations impacted include...
Goshen, Warsaw, Nappanee, Winona Lake, Ligonier, Syracuse, Albion,
Milford, Topeka, North Webster, Millersburg, New Paris, Benton,
Shipshewana, Etna Green, Leesburg, Cromwell, Brimfield, Big Barbee
Lake and Honeyville.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4140 8534 4130 8561 4130 8565 4128 8565
      4115 8599 4121 8605 4143 8606 4170 8554
TIME...MOT...LOC 1244Z 239DEG 38KT 4123 8591

NWS

Special weather statement, Jul 20, 9:21 AM EDT, 1 hour 20 minutes before

Special Weather Statement
National Weather Service Northern Indiana
921 AM EDT FRI JUL 20 2018

INZ024>026-032-033-201345-
Wabash-Huntington-Blackford-Wells-Grant-
921 AM EDT FRI JUL 20 2018

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN WABASH...
GRANT...BLACKFORD...HUNTINGTON AND WESTERN WELLS COUNTIES...

At 919 AM EDT, strong thunderstorms were clustered nfrom near Bippus
to Upland and moving east northeast at 40 mph.

Wind gusts up to 50 mph, pea size hail, frequent lightning and brief
heavy rainfall are possible with these storms.

Locations impacted include...
Marion, Huntington, Hartford City, Gas City, Upland, Fairmount,
Montpelier, Jonesboro, Andrews, Markle, La Fontaine, Van Buren,
Matthews, Roanoke, Warren, Lancaster, Lagro, Fowlerton, Shamrock
Lakes and Mount Etna.

This includes Interstate 69 in Indiana between mile markers 252 and
291.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4038 8569 4081 8579 4100 8557 4100 8536
      4038 8523
TIME...MOT...LOC 1319Z 240DEG 35KT 4065 8561

NWS

Special weather statement, Jul 20, 9:29 AM EDT, 1 hour 12 minutes before

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Special weather statement, Jul 20, 9:53 AM EDT, 48 minutes before

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Special weather statement, Jul 20, 9:55 AM EDT, 46 minutes before

Special Weather Statement
National Weather Service Northern Indiana
955 AM EDT FRI JUL 20 2018

MIZ079-201430-
St. Joseph-
955 AM EDT FRI JUL 20 2018

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN ST. JOSEPH COUNTY...

At 954 AM EDT, a strong thunderstorm was located over Three Rivers,
moving northeast at 30 mph.

Winds in excess of 40 mph and pea size hail are possible with this
storm. Brief heavy rainfall is also expected with this thunderstorm.

Locations impacted include...
Three Rivers, Centreville, Mendon, Moore Park, Fishers Lake and
Wasepi.

Seek shelter until this storm passes.

&&

LAT...LON 4184 8554 4192 8573 4207 8564 4207 8535
TIME...MOT...LOC 1354Z 209DEG 27KT 4195 8558

MARSILI

Special weather statement, Jul 20, 10:41 AM EDT, 0 minutes before

Special Weather Statement
National Weather Service Northern Indiana
1041 AM EDT FRI JUL 20 2018

INZ033-034-201530-
Jay-Blackford-
1041 AM EDT FRI JUL 20 2018

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT BLACKFORD AND JAY
COUNTIES...

At 1039 AM EDT, strong thunderstorms were clustered from near
Hartford City to Portland, moving northeast at 45 mph.

Wind gusts up to 50 mph, half inch size hail, frequent lightning and
brief heavy rainfall are possible with these storms.

Locations impacted include...
Portland, Hartford City, Dunkirk, Redkey, Pennville, Westchester,
Center, Bryant, Shamrock Lakes, Salamonia, Trinity, Brice, Mill
Grove, Como, Bellfountain, Collett, Balbec, New Mount Pleasant,
College Corner and Boundary City.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4031 8522 4038 8522 4038 8544 4043 8544
      4057 8519 4057 8481 4031 8480
TIME...MOT...LOC 1439Z 239DEG 47KT 4038 8533

NWS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 20, 3:28 AM EDT	Small Craft Advisory	IWX		12 hr
Jul 20, 8:46 AM EDT	Special Weather Statement	IWX	Kosciusko, Noble	44 min
Jul 20, 9:21 AM EDT	Special Weather Statement	IWX	Blackford, Grant, Huntington	24 min
Jul 20, 9:29 AM EDT	Special Weather Statement	IWX	LaGrange, Noble	46 min
Jul 20, 9:53 AM EDT	Special Weather Statement	IWX	Adams, Blackford, Jay, Wells	37 min
Jul 20, 12:53 PM EDT	Special Weather Statement	IWX	Pulaski	37 min
Jul 20, 1:14 PM EDT	Special Weather Statement	IWX	Saint Joseph	46 min
Jul 20, 1:24 PM EDT	Special Weather Statement	IWX	Fulton, Marshall	36 min
Jul 20, 1:34 PM EDT	Severe Thunderstorm Warning	IWX	Fulton, Marshall	26 min
Jul 20, 1:52 PM EDT	Tornado Warning	IWX	Marshall	23 min
Jul 20, 1:57 PM EDT	Severe Thunderstorm Warning	IWX	Fulton, Kosciusko, Marshall	48 min
Jul 20, 2:04 PM EDT	Special Weather Statement	IWX	Elkhart	56 min
Jul 20, 2:24 PM EDT	Severe Thunderstorm Warning	IWX	Elkhart, Kosciusko, LaGrange, Noble, Saint Joseph	51 min
Jul 20, 2:36 PM EDT	Tornado Warning	IWX	Kosciusko, Wabash, Whitley	22 min
Jul 20, 2:52 PM EDT	Special Weather Statement	IWX	Noble	53 min
Jul 20, 3:00 PM EDT	Severe Thunderstorm Warning	IWX	Allen, Huntington, Wabash, Whitley	45 min
Jul 20, 3:11 PM EDT	Tornado Warning	IWX	Huntington, Wabash	18 min
Jul 20, 3:40 PM EDT	Severe Thunderstorm Warning	IWX	Adams, Blackford, Grant, Huntington, Jay, Wells	50 min
Jul 20, 3:45 PM EDT	Special Weather Statement	IWX	Allen, DeKalb	45 min
Jul 20, 3:45 PM EDT	Tornado Warning	IWX	Blackford	30 min
Jul 20, 4:07 PM EDT	Severe Thunderstorm Warning	IWX	Adams, Allen, Wells	38 min
Jul 20, 4:11 PM EDT	Areal Flood Advisory	IWX	Allen, Huntington, Whitley	3 hr
Jul 20, 4:19 PM EDT	Areal Flood Advisory	IWX	Blackford, Grant, Wells	3 hr
Jul 20, 4:23 PM EDT	Special Weather Statement	IWX	Wabash	37 min
Jul 20, 4:26 PM EDT	Special Weather Statement	IWX	Jay	34 min
Jul 20, 4:35 PM EDT	Special Weather Statement	IWX	Blackford	25 min
Jul 20, 5:10 PM EDT	Areal Flood Advisory	IWX	Blackford, Jay	4 hr
Jul 20, 4:43 PM EDT	Special Weather Statement	IWX	Defiance, Williams	62 min
Jul 20, 9:55 AM EDT	Special Weather Statement	IWX	Saint Joseph	35 min
Jul 20, 3:09 PM EDT	Special Weather Statement	IWX	Saint Joseph	36 min

Nearby

Special Weather Statements in Indiana, 2018 Every special weather statement in 2018

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.