Alert archive / Michigan / Special Weather Statements in 2021
Special Weather Statement, NWS Northern Indiana
NWS Northern Indiana issued this special weather statement at Aug 6, 2021, 4:45 PM EDT for Saint Joseph County, Michigan. It was in force for 30 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 6, 2021, 4:45 PM EDT (20:45 UTC)
- Expired
- Aug 6, 2021, 5:15 PM EDT
- In force
- 30 min
- Issued by
- NWS Northern Indiana
- Hail
- 0.50 in
- Wind
- 40
County Saint Joseph County, MI
The radar
The Northern Indiana radar (KIWX), 72 km from the middle of the area, began a volume at 20:45 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 6, 4:45 PM EDT | HAIL 0.7 | 1 Nne Wasepi, MI | TIME ESTIMATED FROM RADAR. RELAYED VIA NWS CHAT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 8.8 hours before the alert went out and 179 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
- 28 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 1342 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
450
WWUS83 KIWX 062045
SPSIWX
Special Weather Statement
National Weather Service Northern Indiana
445 PM EDT Fri Aug 6 2021
MIZ079-080-062115-
Branch MI-St. Joseph MI-
445 PM EDT Fri Aug 6 2021
...A strong thunderstorm will impact portions of northeastern St.
Joseph and northwestern Branch Counties through 515 PM EDT...
At 445 PM EDT, Doppler radar was tracking a strong thunderstorm near
Centreville, or 8 miles east of Three Rivers, moving east at 15 mph.
HAZARD...Winds in excess of 40 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.
Locations impacted include...
Colon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4187 8517 4184 8554 4200 8559 4207 8536
4207 8523
TIME...MOT...LOC 2045Z 256DEG 13KT 4194 8546
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH
$$
NWSThe office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 6:34 PM EDT | Special Weather Statement | IWX | Starke | 41 min |
| Aug 6, 6:47 PM EDT | Severe Thunderstorm Warning | IWX | LaPorte, Starke | 28 min |
| Aug 6, 7:05 PM EDT | Special Weather Statement | IWX | Marshall | 55 min |
| Aug 6, 7:17 PM EDT | Special Weather Statement | IWX | Elkhart | 43 min |
| Aug 6, 7:29 PM EDT | Areal Flood Advisory | IWX | Elkhart, Saint Joseph | 3 hr |
| Aug 6, 7:50 PM EDT | Special Weather Statement | IWX | Kosciusko | 40 min |
| Aug 6, 7:56 PM EDT | Special Weather Statement | IWX | Steuben | 34 min |
| Aug 6, 4:11 PM EDT | Special Weather Statement | IWX | Saint Joseph | 34 min |
| Aug 6, 5:43 PM EDT | Special Weather Statement | IWX | Saint Joseph | 32 min |
| Aug 6, 6:35 PM EDT | Special Weather Statement | IWX | Cass | 40 min |
| Aug 6, 7:10 PM EDT | Special Weather Statement | IWX | Saint Joseph | 50 min |
Nearby
Special 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.