Alert archive / Indiana / Areal Flood Advisories in 2021
Areal Flood Advisory 29, NWS Northern Indiana
NWS Northern Indiana issued this areal flood advisory at Jul 17, 2021, 9:02 PM EDT for Kosciusko County, Indiana. It was in force for 88 min.
The area
The counties it named.
The facts
- Issued
- Jul 17, 2021, 9:02 PM EDT (01:02 UTC)
- Expired
- Jul 17, 2021, 10:30 PM EDT
- In force
- 88 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
County Kosciusko County, IN
The radar
The Northern Indiana radar (KIWX), 19 km from the middle of the area, began a volume at 01:04 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, 1.0 hours before the alert went out and 261 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.
- Mixed-layer CAPE
- 71 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1121 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this areal flood advisory 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 areal flood advisory went out at Jul 17, 7:12 PM EDT, 1 hour 50 minutes earlier.
Area forecast discussion, Jul 17, 7:12 PM EDT, 1 hour 50 minutes before
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</html>Hazardous weather outlook, Jul 17, 3:43 PM EDT, 5 hours 19 minutes before
Hazardous Weather Outlook National Weather Service Northern Indiana 343 PM EDT Sat Jul 17 2021 INZ007-009-MIZ078>081-OHZ001-002-004-005-015-016-024-025-181945- Steuben-De Kalb-Cass MI-St. Joseph MI-Branch-Hillsdale-Williams- Fulton OH-Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH- 343 PM EDT Sat Jul 17 2021 This Hazardous Weather Outlook is for northern Indiana, southwest Michigan and northwest Ohio. .DAY ONE...Tonight. There is a slight chance for thunderstorms through early evening, but severe weather is not expected. .DAYS TWO THROUGH SEVEN...Sunday through Friday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. INZ003-MIZ077-181945- La Porte-Berrien- 343 PM EDT Sat Jul 17 2021 /243 PM CDT Sat Jul 17 2021/ This Hazardous Weather Outlook is for northern Indiana and southwest Michigan. .DAY ONE...Tonight. There is a slight chance for thunderstorms through early evening, but severe weather is not expected. There is a moderate swim risk on Lake Michigan beaches through tonight. Breaking waves and currents are expected. .DAYS TWO THROUGH SEVEN...Sunday through Friday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. INZ004>006-008-012>018-020-022>027-032>034-181945- St. Joseph IN-Elkhart-Lagrange-Noble-Starke-Pulaski-Marshall- Fulton IN-Kosciusko-Whitley-Allen IN-White-Cass IN-Miami-Wabash- Huntington-Wells-Adams-Grant-Blackford-Jay- 343 PM EDT Sat Jul 17 2021 /243 PM CDT Sat Jul 17 2021/ This Hazardous Weather Outlook is for northern Indiana. .DAY ONE...Tonight. There is a chance of showers and thunderstorms into early this evening. Severe weather is not expected. Coverage of the showers and thunderstorms is expected to be limited, but any isolated storm will likely be slow moving leading to a low risk of some isolated heavy rainfall. .DAYS TWO THROUGH SEVEN...Sunday through Friday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. LMZ043-046-181945- New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI- 343 PM EDT Sat Jul 17 2021 This Hazardous Weather Outlook is for the nearshore waters of southeastern Lake Michigan. .DAY ONE...Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Sunday through Friday. No hazardous weather is expected at this time.
In the hours before
Special weather statement, Jul 17, 4:35 PM EDT, 4 hours 27 minutes before
Special Weather Statement National Weather Service Northern Indiana 435 PM EDT Sat Jul 17 2021 INZ004-014-172115- St. Joseph-Marshall- 435 PM EDT Sat Jul 17 2021 ...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT SOUTHERN ST. JOSEPH AND MARSHALL COUNTIES... At 434 PM EDT, strong thunderstorms were clustered over Plymouth, moving southeast at 5 mph. Torrential rain with rates over 1 inch per hour along with pea size hail are possible with these storms. Locations impacted include... Plymouth, Bremen, Walkerton, North Liberty, Bourbon, Argos, Culver, Lakeville, Koontz Lake, Tippecanoe, La Paz, Twin Lakes, Inwood, Teegarden, Rutland, Burr Oak, Maxinkuckee, Tyner, Hibbard and Old Tip Town. 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 4153 8647 4153 8607 4118 8606 4118 8646 TIME...MOT...LOC 2034Z 314DEG 5KT 4135 8627 HAIL...0.25IN WIND...30MPH JAL
Special weather statement, Jul 17, 7:44 PM EDT, 1 hour 18 minutes before
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</html>The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 12:45 AM EDT | Areal Flood Advisory | IWX | Kosciusko, Whitley | 2 hr |
| Jul 18, 2:28 AM EDT | Areal Flood Advisory | IWX | Huntington, Kosciusko, Wabash, Whitley | 2 hr |
| Jul 18, 6:18 PM EDT | Special Weather Statement | IWX | LaPorte | 27 min |
Nearby
Areal Flood Advisories in Indiana, 2021Every areal flood advisory in 2021
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.