Alert archive / Indiana / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 13, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at May 13, 2009, 11:21 PM CDT for LaPorte County, Saint Joseph County, Indiana; Berrien County, Cass County, Michigan. It was in force for 54 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
- May 13, 2009, 11:21 PM CDT (04:21 UTC)
- Expired
- May 14, 2009, 12:15 AM CDT
- In force
- 54 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
Counties LaPorte County, IN, Saint Joseph County, IN, Berrien County, MI, Cass County, MI
The radar
The Northern Indiana radar (KIWX), 73 km from the middle of the area, began a volume at 04:24 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 |
|---|---|---|---|
| May 14, 12:00 AM CDT | TSTM WND DMG | 1 Nne Michigan City, IN | SEVERAL TREES DOWN IN MICHIGAN CITY AND LONG BEACH AREAS ALONG US 12...POWER STILL OUT IN MANY AREAS |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 13, 10:51 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 4.4 hours before the alert went out and 258 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
- 1574 J/kg
- Mixed-layer CIN
- -113 J/kg
- Mixed-layer LCL
- 930 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 350 m²/s²
- 0-3 km storm-relative helicity
- 407 m²/s²
- Significant tornado parameter
- 2.0
- Supercell composite
- 8.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS53 KIWX 140421
SVRIWX
INC091-141-MIC021-027-140515-
/O.NEW.KIWX.SV.W.0013.090514T0421Z-090514T0515Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1221 AM EDT THU MAY 14 2009
THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
ST. JOSEPH COUNTY IN NORTH CENTRAL INDIANA
LA PORTE COUNTY IN NORTHWEST INDIANA
BERRIEN COUNTY IN SOUTHWEST MICHIGAN
WESTERN CASS COUNTY IN SOUTHWEST MICHIGAN
* UNTIL 115 AM EDT/1215 AM CDT/
* AT 1216 AM EDT/1116 PM CDT/...NATIONAL WEATHER SERVICE DOPPLER
RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DAMAGING WINDS IN EXCESS OF 60 MPH. THESE SEVERE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 12 MILES NORTHWEST OF GRAND
BEACH TO 5 MILES WEST OF WESTVILLE TO 23 MILES SOUTHWEST OF SOUTH
WANATAH...OR ALONG A LINE EXTENDING FROM 16 MILES NORTH OF MICHIGAN
CITY TO 5 MILES WEST OF WESTVILLE TO DE MOTTE...AND MOVING EAST AT
50 MPH.
* LOCATIONS IN THE PATH OF SEVERE THUNDERSTORMS INCLUDE...
LA PORTE...
MICHIGAN CITY AND WANATAH...
FAIR PLAIN AND ST. JOSEPH...
BUCHANAN...
GEORGETOWN...SOUTH BEND AND NILES...
MISHAWAKA AND GRANGER...
NEW BUFFALO...
THIS IS A DANGEROUS LINE OF SEVERE THUNDERSTORMS. IF YOU ARE IN THE
PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS IN EXCESS OF 60 MPH...
ALONG WITH DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD
MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM
WINDOWS.
LAT...LON 4208 8622 4208 8593 4177 8597 4176 8607
4167 8607 4161 8614 4144 8658 4144 8665
4139 8671 4130 8694 4172 8695 4190 8663
4209 8652 4214 8622
TIME...MOT...LOC 0419Z 254DEG 53KT 4195 8682 4154 8694
4122 8720
$$2 follow-up statements
000
WWUS53 KIWX 140505
SVSIWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
105 AM EDT THU MAY 14 2009
INC091-141-MIC021-027-140515-
/O.CON.KIWX.SV.W.0013.000000T0000Z-090514T0515Z/
ST. JOSEPH IN-LA PORTE IN-BERRIEN MI-CASS MI-
105 AM EDT THU MAY 14 2009
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM
EDT/1215 AM CDT/ FOR ST. JOSEPH COUNTY IN NORTH CENTRAL INDIANA...AND
LA PORTE COUNTY IN NORTHWEST INDIANA...AND WESTERN CASS AND SOUTHERN
BERRIEN COUNTIES IN SOUTHWEST MICHIGAN...
AT 102 AM EDT/1202 AM CDT/...NATIONAL WEATHER SERVICE DOPPLER RADAR
CONTINUED TO INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF
PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE SEVERE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM 9 MILES SOUTHWEST OF PAW
PAW TO GEORGETOWN TO 4 MILES EAST OF WESTVILLE...AND MOVING EAST AT
45 MPH.
LOCATIONS IN THE PATH OF SEVERE THUNDERSTORMS INCLUDE...
GEORGETOWN...
GRANGER AND SOUTH BEND...
KINGSFORD HEIGHTS...EDWARDSBURG AND CASSOPOLIS...
ROSELAND...
DIAMOND LAKE...TRACY AND SOUTH CENTER...
INDIAN VILLAGE AND EAGLE LAKE...
IF YOU HAVE SEVERE WEATHER TO REPORT...YOU CAN CALL YOUR LOCAL LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.
LAT...LON 4166 8694 4196 8655 4208 8622 4208 8593
4177 8597 4176 8607 4167 8607 4161 8614
4144 8658 4144 8665 4139 8671 4130 8694
TIME...MOT...LOC 0504Z 254DEG 41KT 4213 8596 4176 8621
4155 8679
$$000
WWUS53 KIWX 140519
SVSIWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
119 AM EDT THU MAY 14 2009
INC091-141-MIC021-027-140528-
/O.EXP.KIWX.SV.W.0013.000000T0000Z-090514T0515Z/
ST. JOSEPH IN-LA PORTE IN-BERRIEN MI-CASS MI-
119 AM EDT THU MAY 14 2009
...THE SEVERE THUNDERSTORM WARNING FOR ST. JOSEPH COUNTY IN NORTH
CENTRAL INDIANA...AND LA PORTE COUNTY IN NORTHWEST INDIANA...AND
WESTERN CASS AND SOUTHERN BERRIEN COUNTIES IN SOUTHWEST MICHIGAN HAS
EXPIRED...
AT 117 AM EDT/1217 AM CDT/...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED THAT THE LINE OF SEVERE THUNDERSTORMS WHICH PROMPTED THE
WARNING HAD WEAKENED. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS
BEEN ALLOWED TO EXPIRE.
IF YOU HAVE SEVERE WEATHER TO REPORT...YOU CAN CALL YOUR LOCAL LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.
SEVERE THUNDERSTORM WATCH 300 REMAINS IN EFFECT UNTIL 5 AM EDT...4
AM CDT.
LAT...LON 4166 8694 4196 8655 4208 8622 4208 8593
4177 8597 4176 8607 4167 8607 4161 8614
4144 8658 4144 8665 4139 8671 4130 8694
TIME...MOT...LOC 0505Z 254DEG 41KT 4213 8594 4176 8620
4155 8678
$$The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 10:53 PM CDT | Special Marine Warning | IWX | 52 min | |
| May 14, 12:51 AM CDT | Severe Thunderstorm Warning | IWX | Fulton, Marshall, Pulaski, Starke | 54 min |
| May 14, 2:04 AM CDT | Special Weather Statement | IWX | Adams, Allen, DeKalb, Wells | 56 min |
| May 14, 6:26 AM CDT | River Flood Warning | IWX | LaPorte, Saint Joseph, Starke | 10 days |
Nearby
Severe Thunderstorm Warnings in Indiana, 2009Severe Thunderstorm Warnings in Michigan, 2009Every severe thunderstorm warning in 2009
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.