Alert archive / Indiana / Special Weather Statements in 2020

Special Weather Statement, NWS Northern Indiana

July 27, 2020Jay County, Indiana

NWS Northern Indiana issued this special weather statement at Jul 27, 2020, 4:14 PM EDT for Jay County, Indiana. It was in force for 31 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 27, 2020, 4:14 PM EDT (20:14 UTC)
Expired
Jul 27, 2020, 4:45 PM EDT
In force
31 min
Issued by
NWS Northern Indiana

County Jay County, IN

The radar

The Northern Indiana radar (KIWX), 127 km from the middle of the area, began a volume at 20:18 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.2 hours before the alert went out and 142 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, Cncnati-Daytn, OH at 12:00Z on 2020-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 606 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2020-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 square meters per square second.1939Sfc1 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
606 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
888 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
7 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 27, 3:27 PM EDT, 47 minutes earlier.

Area forecast discussion, Jul 27, 3:27 PM EDT, 47 minutes before
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Hazardous weather outlook, Jul 27, 10:18 AM EDT, 5 hours 56 minutes before
Hazardous Weather Outlook
National Weather Service Northern Indiana
1018 AM EDT Mon Jul 27 2020

INZ018-020-022>027-032>034-OHZ004-005-015-016-024-025-281430-
Allen IN-White-Cass IN-Miami-Wabash-Huntington-Wells-Adams-Grant-
Blackford-Jay-Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH-
1018 AM EDT Mon Jul 27 2020

This Hazardous Weather Outlook is for northern Indiana and
northwest Ohio.

.DAY ONE...Today and tonight.

Thunderstorms are expected this afternoon. The severe weather risk
is low but a few isolated strong storms are possible.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

INZ004>009-012>017-MIZ078>081-OHZ001-002-281430-
St. Joseph IN-Elkhart-Lagrange-Steuben-Noble-De Kalb-Starke-Pulaski-
Marshall-Fulton IN-Kosciusko-Whitley-Cass MI-St. Joseph MI-Branch-
Hillsdale-Williams-Fulton OH-
1018 AM EDT Mon Jul 27 2020 /918 AM CDT Mon Jul 27 2020/

This Hazardous Weather Outlook is for northern Indiana, southwest
Michigan and northwest Ohio.

.DAY ONE...Today and tonight.

An isolated storm is possible today. No severe weather is expected.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

INZ003-MIZ077-281430-
La Porte-Berrien-
1018 AM EDT Mon Jul 27 2020 /918 AM CDT Mon Jul 27 2020/

This Hazardous Weather Outlook is for northern Indiana and
southwest Michigan.

.DAY ONE...Today and tonight.

An isolated thunderstorm is possible this morning. No severe weather
is expected.

Hazardous swimming conditions are possible on Lake Michigan beaches
in Berrien county today.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Hazardous swimming conditions are possible on Lake Michigan beaches
Tuesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

LMZ043-046-281430-
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
1018 AM EDT Mon Jul 27 2020

This Hazardous Weather Outlook is for the nearshore waters of
southeastern Lake Michigan.

.DAY ONE...Today and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

No hazardous weather is expected at this time.

In the hours before

Special weather statement, Jul 27, 1:46 PM EDT, 2 hours 28 minutes before
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Special weather statement, Jul 27, 1:51 PM EDT, 2 hours 23 minutes before
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Special weather statement, Jul 27, 2:13 PM EDT, 2 hours 1 minute before
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Local storm report, Jul 27, 2:59 PM EDT, 1 hour 15 minutes before
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Local storm report, Jul 27, 3:04 PM EDT, 1 hour 10 minutes before
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Special weather statement, Jul 27, 4:14 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 12:41 PM EDTSpecial Weather StatementIWXAllen, Huntington, Wabash49 min
Jul 27, 1:26 PM EDTSpecial Weather StatementIWXJay34 min
Jul 27, 5:12 PM EDTAreal Flood AdvisoryIWXAllen, Huntington, Miami, Wabash3 hr
Jul 27, 1:39 PM EDTSevere Thunderstorm WarningIWXHenry, Putnam28 min
Jul 27, 1:46 PM EDTSpecial Weather StatementIWXVan Wert44 min
Jul 27, 1:51 PM EDTSpecial Weather StatementIWXAllen39 min
Jul 27, 2:13 PM EDTSpecial Weather StatementIWXHenry32 min

Nearby

Special Weather Statements in Indiana, 2020Every special weather statement in 2020

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.