Alert archive / Indiana / Special Weather Statements in 2021
Special Weather Statement, NWS Northern Indiana
NWS Northern Indiana issued this special weather statement at Jul 29, 2021, 5:21 AM EDT for LaGrange County, Steuben County, Indiana; Branch County, Michigan. 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
- Jul 29, 2021, 5:21 AM EDT (09:21 UTC)
- Expired
- Jul 29, 2021, 6:00 AM EDT
- In force
- 39 min
- Issued by
- NWS Northern Indiana
Counties LaGrange County, IN, Steuben County, IN, Branch County, MI
The radar
The Northern Indiana radar (KIWX), 51 km from the middle of the area, began a volume at 09:26 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
Detroit, MI (KDTX), launched 00:00Z, 9.4 hours before the alert went out and 189 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
- 219 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 1416 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
025
WWUS83 KIWX 290921
SPSIWX
Special Weather Statement
National Weather Service Northern Indiana
521 AM EDT Thu Jul 29 2021
INZ006-007-009-MIZ079>081-291000-
Lagrange-De Kalb-Steuben-Branch-Hillsdale-St. Joseph-
521 AM EDT Thu Jul 29 2021
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT STEUBEN...NORTHWESTERN
DE KALB...LAGRANGE...EASTERN ST. JOSEPH...BRANCH AND NORTHWESTERN
HILLSDALE COUNTIES...
At 521 AM EDT, radar indicated strong thunderstorms were located
along a line extending from 8 miles east of Vicksburg to near
Millersburg. Movement was east at 45 mph.
Wind gusts up to 50 mph are possible with these storms.
Locations impacted include...
Sturgis, Coldwater, Angola, Hillsdale, Lagrange, Bronson, Jonesville,
Fremont, Quincy, Union City, Litchfield, Colon, Topeka, Reading, Long
Lake, Ray, Nottawa, Girard, Scott and Kinderhook.
This includes the following highways...
Interstate 69 in Indiana between mile markers 338 and 357.
Interstate 69 in Michigan between mile markers 1 and 21.
Interstate 80 in Indiana between mile markers 114 and 151.
&&
LAT...LON 4148 8506 4150 8519 4153 8519 4152 8566
4156 8566 4207 8542 4207 8453
TIME...MOT...LOC 0921Z 286DEG 37KT 4211 8537 4158 8564
$$
HAIL...0.25
WIND...50MPH
PBMThe office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 3:10 AM EDT | Special Marine Warning | IWX | 2 hr | |
| Jul 29, 4:17 AM EDT | Special Weather Statement | IWX | Elkhart | 28 min |
| Jul 29, 4:23 AM EDT | Severe Thunderstorm Warning | IWX | Elkhart, Kosciusko, LaPorte, Marshall, Saint Joseph | 52 min |
| Jul 29, 4:59 AM EDT | Severe Thunderstorm Warning | IWX | Elkhart, Kosciusko, Marshall, Noble, Saint Joseph | 46 min |
| Jul 29, 5:16 AM EDT | Special Weather Statement | IWX | Fulton, Pulaski, Starke | 44 min |
| Jul 29, 5:25 AM EDT | Severe Thunderstorm Warning | IWX | Allen, DeKalb, Kosciusko, Noble, Whitley | 50 min |
| Jul 29, 5:33 AM EDT | Special Weather Statement | IWX | Allen, Cass, Miami, Wabash, Whitley | 42 min |
| Jul 29, 5:54 AM EDT | Special Weather Statement | IWX | Steuben | 36 min |
| Jul 29, 6:07 AM EDT | Severe Thunderstorm Warning | IWX | Allen, DeKalb | 38 min |
| Jul 29, 6:17 AM EDT | Special Weather Statement | IWX | Adams, Blackford, Grant, Jay, Wells | 43 min |
| Jul 29, 6:56 AM EDT | Special Weather Statement | IWX | Allen, Putnam, Van Wert | 49 min |
| Jul 29, 4:09 AM EDT | Severe Thunderstorm Warning | IWX | Berrien, Cass | 36 min |
| Jul 29, 4:39 AM EDT | Special Weather Statement | IWX | Cass, Saint Joseph | 36 min |
Nearby
Special Weather Statements in Indiana, 2021Special Weather Statements in Michigan, 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.