Alert archive / Indiana / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 31, NWS Northern Indiana

April 5, 2023LaPorte County, Saint Joseph County, Indiana; Berrien County, Michigan

NWS Northern Indiana issued this severe thunderstorm warning at Apr 5, 2023, 5:30 AM CDT for LaPorte County, Saint Joseph County, Indiana; Berrien County, Michigan. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 5, 2023, 5:30 AM CDT (10:30 UTC)
Expired
Apr 5, 2023, 6:15 AM CDT
In force
45 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties LaPorte County, IN, Saint Joseph County, IN, Berrien County, MI

The radar

The Northern Indiana radar (KIWX), 75 km from the middle of the area, began a volume at 10:32 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 00:00Z, 10.5 hours before the alert went out and 247 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, Lincoln, IL at 00:00Z on 2023-04-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1660 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, Lincoln, IL at 00:00Z on 2023-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 210 square meters per square second.1939587897Sfc1 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
1660 J/kg
Mixed-layer CIN
-246 J/kg
Mixed-layer LCL
1284 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
210 m²/s²
0-3 km storm-relative helicity
204 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Apr 5, 3:55 AM CDT, 1 hour 35 minutes earlier.

Area forecast discussion, Apr 5, 3:55 AM CDT, 1 hour 35 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Hazardous weather outlook, Apr 5, 5:17 AM CDT, 13 minutes before
Hazardous Weather Outlook
National Weather Service Northern Indiana
617 AM EDT Wed Apr 5 2023

MIZ078>081-177-277-061030-
Cass MI-St. Joseph MI-Branch-Hillsdale-Northern Berrien-
Southern Berrien-
617 AM EDT Wed Apr 5 2023

This Hazardous Weather Outlook is for southwest Michigan.

.DAY ONE...Today and tonight.

...Severe weather outbreak expected today...

There is a significant threat for severe storms today. Severe storms
are possible in the morning, but the most widespread severe weather
is expected late morning through the afternoon. Tornadoes, possibly
EF2 or greater, large hail, possibly 2 inches diameter or greater and
wind gusts of 60 to 70 mph are the anticipated hazards.

A second round of severe storms is possible mid afternoon through
evening, though the occurrence of a second round of severe storms is
less certain.

Strong non thunderstorm wind gusts are also expected today.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

INZ005>009-012>015-017-018-020-022>027-032>034-103-104-116-203-204-
216-OHZ001-002-004-005-015-016-024-025-061030-
Elkhart-Lagrange-Steuben-Noble-De Kalb-Starke-Pulaski-Marshall-
Fulton IN-Whitley-Allen IN-White-Cass IN-Miami-Wabash-Huntington-
Wells-Adams-Grant-Blackford-Jay-Northern La Porte-
Eastern St. Joseph IN-Northern Kosciusko-Southern La Porte-
Western St. Joseph IN-Southern Kosciusko-Williams-Fulton OH-Defiance-
Henry-Paulding-Putnam-Van Wert-Allen OH-
617 AM EDT Wed Apr 5 2023 /517 AM CDT Wed Apr 5 2023/

...WIND ADVISORY IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ THIS EVENING...

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

.DAY ONE...Today and tonight.

...Severe weather outbreak expected today...

There is a significant threat for severe storms today. Severe storms
are possible in the morning, but the most widespread severe weather
is expected late morning through the afternoon. Tornadoes, possibly
EF2 or greater, large hail, possibly 2 inches diameter or greater and
wind gusts of 60 to 70 mph are the anticipated hazards.

A second round of severe storms is possible mid afternoon through
evening, though the occurrence of a second round of severe storms is
less certain.

Strong non thunderstorm wind gusts are also expected today.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Wind Advisory.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

...Severe weather outbreak expected Wednesday...

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

LMZ043-046-061030-
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
617 AM EDT Wed Apr 5 2023

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...
...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

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

.DAY ONE...Today and tonight.

...Severe weather outbreak expected today...

There is a significant threat for severe storms today. Severe storms
are possible in the morning, but the most widespread severe weather
is expected late morning through the afternoon. Tornadoes, possibly
EF2 or greater, large hail, possibly 2 inches diameter or greater and
wind gusts of 60 to 70 mph are the anticipated hazards.

A second round of severe storms is possible mid afternoon through
early evening, though the occurrence of a second round of severe
storms is less certain.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Small Craft Advisory.
   Gale Warning.

There is a slight chance of severe thunderstorms tonight.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Conditions may be hazardous to small craft Thursday morning.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 5:35 AM CDTSpecial Marine WarningIWX40 min
Apr 5, 7:02 AM CDTSpecial Marine WarningIWX118 min
Apr 5, 7:14 AM CDTSevere Thunderstorm WarningIWXLaPorte, Marshall, Saint Joseph, Starke35 min
Apr 5, 8:06 AM CDTSevere Thunderstorm WarningIWXLaPorte, Saint Joseph39 min
Apr 5, 8:38 AM CDTSpecial Weather StatementIWXAdams, Blackford, Grant, Huntington, Jay, Miami and 2 more97 min
Apr 5, 9:02 AM CDTSevere Thunderstorm WarningIWXFulton, LaPorte, Marshall, Pulaski, Saint Joseph, Starke43 min
Apr 5, 9:21 AM CDTSevere Thunderstorm WarningIWXWhite39 min
Apr 5, 9:36 AM CDTSevere Thunderstorm WarningIWXElkhart, Kosciusko, LaGrange, Marshall, Saint Joseph, Starke54 min
Apr 5, 10:29 AM CDTSpecial Weather StatementIWXCass, Fulton, Miami46 min
Apr 5, 10:33 AM CDTSpecial Weather StatementIWXLaGrange42 min
Apr 5, 11:37 AM CDTSpecial Weather StatementIWXGrant23 min
Apr 5, 11:41 AM CDTSpecial Weather StatementIWXAllen, Huntington, Wells34 min
Apr 5, 11:54 AM CDTSevere Thunderstorm WarningIWXAdams, Allen, Blackford, Grant, Huntington, Jay and 2 more51 min
Apr 5, 12:05 PM CDTTornado WarningIWXHuntington, Wells25 min
Apr 5, 12:08 PM CDTTornado WarningIWXBlackford, Wells22 min
Apr 5, 12:18 PM CDTTornado WarningIWXAdams27 min
Apr 5, 12:21 PM CDTTornado WarningIWXAdams, Jay, Wells24 min
Apr 5, 12:34 PM CDTSevere Thunderstorm WarningIWXAdams26 min
Apr 5, 6:56 PM CDTSmall Craft AdvisoryIWX9 hr
Apr 5, 12:41 PM CDTSevere Thunderstorm WarningIWXDefiance, Fulton, Henry, Paulding, Putnam, Williams49 min
Apr 5, 1:02 PM CDTSevere Thunderstorm WarningIWXAllen, Putnam, Van Wert43 min
Apr 5, 1:43 PM CDTSpecial Weather StatementIWXAllen17 min
Apr 5, 1:43 PM CDTSpecial Weather StatementIWXAllen17 min
Apr 5, 6:53 AM CDTSpecial Weather StatementIWXBerrien37 min
Apr 5, 8:46 AM CDTAreal Flood AdvisoryIWXBerrien3 hr

Nearby

Severe Thunderstorm Warnings in Indiana, 2023Severe Thunderstorm Warnings in Michigan, 2023Every severe thunderstorm warning in 2023

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.