Alert archive / Indiana / Special Weather Statements in 2021
Special Weather Statement, NWS Northern Indiana
NWS Northern Indiana issued this special weather statement at Aug 11, 2021, 4:21 AM CDT for LaPorte County, Indiana. It was in force for 39 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
- Aug 11, 2021, 4:21 AM CDT (09:21 UTC)
- Expired
- Aug 11, 2021, 5:00 AM CDT
- In force
- 39 min
- Issued by
- NWS Northern Indiana
- Hail
- 0.50 in
- Wind
- 30
County LaPorte County, IN
The radar
The Northern Indiana radar (KIWX), 91 km from the middle of the area, began a volume at 09:21 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, 9.4 hours before the alert went out and 215 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
- 2608 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 1127 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 167 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
555
WWUS83 KIWX 110921
SPSIWX
Special Weather Statement
National Weather Service Northern Indiana
421 AM CDT Wed Aug 11 2021
INZ003-012-111000-
La Porte IN-Starke IN-
421 AM CDT Wed Aug 11 2021
...A strong thunderstorm will impact portions of northeastern Starke
and central La Porte Counties through 500 AM CDT...
At 421 AM CDT, Doppler radar was tracking a strong thunderstorm over
Malden, moving east at 40 mph.
HAZARD...Winds in excess of 30 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
This strong thunderstorm will be near...
La Crosse around 525 AM EDT.
Wanatah around 530 AM EDT.
Other locations in the path of this storm include Kingsford Heights.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4156 8693 4168 8655 4139 8654 4130 8693
TIME...MOT...LOC 0921Z 250DEG 34KT 4140 8698
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH
$$
JBALLThe office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 7:49 PM CDT | Special Marine Warning | IWX | 86 min | |
| Aug 10, 8:49 PM CDT | Special Weather Statement | IWX | LaPorte | 41 min |
| Aug 10, 8:56 PM CDT | Severe Thunderstorm Warning | IWX | LaPorte, Saint Joseph | 49 min |
| Aug 10, 9:18 PM CDT | Severe Thunderstorm Warning | IWX | Elkhart, LaPorte, Marshall, Saint Joseph, Starke | 57 min |
| Aug 10, 9:42 PM CDT | Severe Thunderstorm Warning | IWX | Elkhart, LaGrange, Noble, Saint Joseph | 48 min |
| Aug 10, 10:02 PM CDT | Severe Thunderstorm Warning | IWX | Fulton, Marshall, Pulaski, Starke | 43 min |
| Aug 10, 10:31 PM CDT | Special Weather Statement | IWX | Steuben | 29 min |
| Aug 10, 10:41 PM CDT | Severe Thunderstorm Warning | IWX | Fulton, Kosciusko, Marshall, Miami, Pulaski | 34 min |
| Aug 10, 11:05 PM CDT | Severe Thunderstorm Warning | IWX | Fulton, Huntington, Kosciusko, Miami, Wabash, Whitley | 40 min |
| Aug 10, 11:29 PM CDT | Special Weather Statement | IWX | Huntington | 31 min |
| Aug 10, 11:38 PM CDT | Special Weather Statement | IWX | Allen | 22 min |
| Aug 10, 11:56 PM CDT | Special Weather Statement | IWX | Adams, Allen, Wells | 49 min |
| Aug 11, 2:57 AM CDT | Special Weather Statement | IWX | Cass, White | 33 min |
| Aug 11, 3:46 AM CDT | Special Weather Statement | IWX | Cass, Fulton, Miami | 44 min |
| Aug 11, 3:59 AM CDT | Special Weather Statement | IWX | Kosciusko | 46 min |
| Aug 11, 4:49 AM CDT | Special Weather Statement | IWX | Noble | 41 min |
| Aug 11, 4:52 AM CDT | Special Weather Statement | IWX | LaPorte | 38 min |
| Aug 11, 4:54 AM CDT | Special Weather Statement | IWX | Whitley | 51 min |
| Aug 11, 10:22 AM CDT | Special Weather Statement | IWX | Starke | 38 min |
| Aug 11, 10:36 AM CDT | Special Marine Warning | IWX | 54 min | |
| Aug 11, 11:00 AM CDT | Special Weather Statement | IWX | Kosciusko, LaPorte, Marshall, Saint Joseph, Starke | 30 min |
| Aug 11, 11:16 AM CDT | Severe Thunderstorm Warning | IWX | Kosciusko, Marshall | 29 min |
| Aug 11, 11:29 AM CDT | Special Weather Statement | IWX | Elkhart, Fulton, Kosciusko, LaPorte, Marshall, Pulaski and 2 more | 46 min |
| Aug 11, 11:34 AM CDT | Special Marine Warning | IWX | 56 min | |
| Aug 11, 11:43 AM CDT | Areal Flood Advisory | IWX | Kosciusko, LaPorte, Marshall, Pulaski, Saint Joseph, Starke | 3 hr |
| Aug 11, 11:47 AM CDT | Severe Thunderstorm Warning | IWX | Elkhart, Fulton, Kosciusko, Marshall, Saint Joseph | 43 min |
| Aug 11, 11:54 AM CDT | Severe Thunderstorm Warning | IWX | Cass, Fulton, Kosciusko, Miami, Pulaski, Wabash | 36 min |
| Aug 11, 12:10 PM CDT | Special Weather Statement | IWX | Elkhart, LaGrange | 50 min |
| Aug 11, 12:17 PM CDT | Severe Thunderstorm Warning | IWX | Allen, DeKalb, Elkhart, Huntington, Kosciusko, Miami and 3 more | 43 min |
| Aug 11, 12:29 PM CDT | Special Marine Warning | IWX | 46 min | |
| Aug 11, 12:39 PM CDT | Severe Thunderstorm Warning | IWX | LaGrange, Steuben | 36 min |
| Aug 11, 12:48 PM CDT | Severe Thunderstorm Warning | IWX | Adams, Allen, DeKalb, Huntington, Jay, Wells | 27 min |
| Aug 11, 1:02 PM CDT | Severe Thunderstorm Warning | IWX | DeKalb, Steuben | 43 min |
| Aug 11, 1:05 PM CDT | Severe Thunderstorm Warning | IWX | Blackford, Grant, Huntington, Jay, Wells | 55 min |
| Aug 11, 1:14 PM CDT | Severe Thunderstorm Warning | IWX | Adams, Allen, DeKalb, Huntington, Jay, Wells | 46 min |
| Aug 11, 2:01 PM CDT | Severe Thunderstorm Warning | IWX | Jay | 29 min |
| Aug 11, 12:22 AM CDT | Special Weather Statement | IWX | Defiance, Paulding, Van Wert | 23 min |
| Aug 11, 6:28 AM CDT | Special Weather Statement | IWX | Putnam | 32 min |
| Aug 11, 6:57 AM CDT | Special Weather Statement | IWX | Putnam | 33 min |
| Aug 11, 7:35 AM CDT | Special Weather Statement | IWX | Allen, Van Wert | 40 min |
| Aug 11, 8:07 AM CDT | Areal Flood Warning | IWX | Allen, Putnam | 3 hr |
| Aug 11, 1:44 PM CDT | Severe Thunderstorm Warning | IWX | Defiance, Fulton, Henry, Williams | 46 min |
| Aug 11, 1:48 PM CDT | Severe Thunderstorm Warning | IWX | Allen, Defiance, Henry, Putnam, Van Wert | 57 min |
| Aug 10, 9:03 PM CDT | Severe Thunderstorm Warning | IWX | Berrien, Cass | 27 min |
Nearby
Special Weather Statements in Indiana, 2021Every special weather statement 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.