Alert archive / Indiana / Special Weather Statements in 2011
Special Weather Statement, NWS Northern Indiana
NWS Northern Indiana issued this special weather statement at Jul 29, 2011, 6:21 AM EDT for Marshall County, Indiana. It was in force for 24 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, 2011, 6:21 AM EDT (10:21 UTC)
- Expired
- Jul 29, 2011, 6:45 AM EDT
- In force
- 24 min
- Issued by
- NWS Northern Indiana
County Marshall County, IN
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 10.4 hours before the alert went out and 229 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
- 2796 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 1367 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 4.3
The text
As transmitted, in the capitals the NWS used until 2016.
662
WWUS83 KIWX 291021
SPSIWX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
621 AM EDT FRI JUL 29 2011
INZ012>014-291045-
MARSHALL IN-PULASKI IN-STARKE IN-
621 AM EDT FRI JUL 29 2011
...STRONG THUNDERSTORMS MOVING TOWARD EXTREME WESTERN KOSCIUSKO...
MARSHALL AND EXTREME NORTHWESTERN FULTON COUNTIES IN NORTH CENTRAL
INDIANA...AND NORTHEASTERN PULASKI AND SOUTHEASTERN STARKE COUNTIES
IN NORTHWEST INDIANA...
AT 613 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR CULVER...OR 7 MILES SOUTHEAST OF KNOX...
MOVING EAST AT 25 MPH.
WINDS UP TO 40 MPH...FREQUENT CLOUD TO GROUND LIGHTNING AND
HEAVY DOWNPOURS ARE EXPECTED WITH THIS STORM.
LOCATIONS IN THE PATH OF THIS STORM INCLUDE...
PLYMOUTH...
ARGOS AND BOURBON...
BURR OAK AND MAXINKUCKEE...
HIBBARD...RUTLAND AND DONALDSON...
TWIN LAKES...
INWOOD...LINKVILLE AND LAKE OF THE WOODS...
GUSTY WINDS MAY CAUSE SMALL BRANCHES TO BE BLOWN DOWN...AND LOOSE
OBJECTS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS
TREES.
SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 AM EDT
FRIDAY MORNING/900 AM CDT FRIDAY MORNING/ FOR NORTHERN INDIANA AND
SOUTHERN MICHIGAN AND NORTHWEST OHIO.
LAT...LON 4148 8615 4129 8605 4125 8605 4117 8638
4117 8646 4115 8647 4113 8653 4130 8662
TIME...MOT...LOC 1020Z 248DEG 23KT 4125 8646
$$The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 1:24 AM EDT | Special Marine Warning | IWX | 111 min | |
| Jul 29, 4:03 AM EDT | Special Weather Statement | IWX | Elkhart, LaPorte, Saint Joseph | 57 min |
| Jul 29, 5:14 AM EDT | Special Weather Statement | IWX | DeKalb, Elkhart, Kosciusko, LaGrange, Marshall, Noble and 4 more | 61 min |
| Jul 29, 5:17 AM EDT | Areal Flood Advisory | IWX | LaPorte, Starke | 3 hr |
| Jul 29, 6:22 AM EDT | Areal Flood Advisory | IWX | Fulton, Kosciusko, Marshall, Miami, Pulaski, Starke and 1 more | 53 min |
| Jul 29, 9:03 AM EDT | Areal Flood Advisory | IWX | Cass, White | 3 hr |
| Jul 29, 1:06 AM EDT | Special Weather Statement | IWX | Van Buren | 9 min |
| Jul 29, 1:54 AM EDT | Special Weather Statement | IWX | Saint Joseph | 36 min |
| Jul 29, 2:00 AM EDT | Special Weather Statement | IWX | Berrien | 45 min |
| Jul 29, 2:30 AM EDT | Severe Thunderstorm Warning | IWX | Berrien, Cass | 30 min |
| Jul 29, 2:47 AM EDT | Special Weather Statement | IWX | Branch | 28 min |
| Jul 29, 3:04 AM EDT | Special Weather Statement | IWX | Berrien, Cass, Saint Joseph | 56 min |
| Jul 29, 4:00 AM EDT | Special Weather Statement | IWX | Branch, Hillsdale | 60 min |
| Jul 29, 4:51 AM EDT | Areal Flood Advisory | IWX | Hillsdale | 3 hr |
Nearby
Special Weather Statements in Indiana, 2011Every special weather statement in 2011
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.