Alert archive / Indiana / Tornado Warnings in 2011
Tornado Warning 27, NWS Northern Indiana
NWS Northern Indiana issued this tornado warning at Aug 13, 2011, 7:35 PM EDT for Cass County, White County, Indiana. It was in force for 15 min. 3 reports 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 13, 2011, 7:35 PM EDT (23:35 UTC)
- Expired
- Aug 13, 2011, 7:50 PM EDT
- In force
- 15 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
Counties Cass County, IN, White County, IN
The radar
The Northern Indiana radar (KIWX), 87 km from the middle of the area, began a volume at 23:35 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 13, 7:39 PM EDT | TSTM WND DMG | Lake Cicott, IN | MULTIPLE TREES DOWN. TIME ESTIMATED BY RADAR |
| Aug 13, 7:49 PM EDT | TSTM WND DMG | 1 W Logansport, IN | MULTIPLE TREES DOWN. TREE DOWN ON POWERLINES ON WEST SIDE OF LOGANSPORT. |
| Aug 13, 7:49 PM EDT | TSTM WND GST 57 | 1 W Logansport, IN |
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 |
|---|---|---|---|
| Aug 13, 1:12 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.6 hours before the alert went out and 196 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 7333 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
302 WFUS53 KIWX 132335 TORIWX INC017-181-140015- /O.NEW.KIWX.TO.W.0027.110813T2335Z-110814T0015Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NORTHERN INDIANA 735 PM EDT SAT AUG 13 2011 THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A * TORNADO WARNING FOR... CENTRAL CASS COUNTY IN NORTH CENTRAL INDIANA... EAST CENTRAL WHITE COUNTY IN NORTHWEST INDIANA... * UNTIL 815 PM EDT * AT 730 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION 7 MILES WEST OF ROYAL CENTER...OR 10 MILES NORTHEAST OF MONTICELLO...AND MOVING EAST AT 30 MPH. * LOCATIONS IN THE PATH OF THIS SEVERE STORM INCLUDE... ROYAL CENTER... LOGANSPORT... OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE LAKE CICOTT...GEORGETOWN...LUCERNE...LEASES CORNER...METEA...ANOKA... ADAMSBORO...TWELVE MILE...NEW WAVERLY AND HOOVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS. && LAT...LON 4089 8665 4089 8617 4071 8617 4075 8665 TIME...MOT...LOC 2335Z 280DEG 25KT 4083 8658 $$ JC
1 follow-up statement
294 WWUS53 KIWX 132350 SVSIWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTHERN INDIANA 750 PM EDT SAT AUG 13 2011 INC017-181-140000- /O.CAN.KIWX.TO.W.0027.000000T0000Z-110814T0015Z/ CASS IN-WHITE IN- 750 PM EDT SAT AUG 13 2011 ...THE TORNADO WARNING FOR CENTRAL CASS COUNTY IN NORTH CENTRAL INDIANA...AND EAST CENTRAL WHITE COUNTY IN NORTHWEST INDIANA IS CANCELLED... AT 749 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAD WEAKENED AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE... THE TORNADO WARNING HAS BEEN CANCELLED. LAT...LON 4089 8665 4089 8617 4071 8617 4075 8665 TIME...MOT...LOC 2350Z 280DEG 25KT 4081 8644 $$ JC
The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 4:20 AM EDT | Small Craft Advisory | IWX | 53 hr | |
| Aug 13, 4:27 AM EDT | Rip Current Statement | IWX | 54 hr | |
| Aug 13, 3:08 PM EDT | Special Marine Warning | IWX | 97 min | |
| Aug 13, 4:10 PM EDT | Severe Thunderstorm Warning | IWX | LaPorte, Saint Joseph | 65 min |
| Aug 13, 4:32 PM EDT | Areal Flood Advisory | IWX | LaPorte, Saint Joseph | 118 min |
| Aug 13, 5:26 PM EDT | Special Weather Statement | IWX | DeKalb, Kosciusko, LaGrange, Noble, Steuben, Whitley | 34 min |
| Aug 13, 5:47 PM EDT | Severe Thunderstorm Warning | IWX | LaPorte, Saint Joseph | 48 min |
| Aug 13, 6:14 PM EDT | Severe Thunderstorm Warning | IWX | LaPorte, Saint Joseph, Starke | 61 min |
| Aug 13, 6:51 PM EDT | Special Weather Statement | IWX | Marshall | 24 min |
| Aug 13, 6:53 PM EDT | Special Weather Statement | IWX | Elkhart | 37 min |
| Aug 13, 6:57 PM EDT | Special Weather Statement | IWX | Pulaski | 33 min |
| Aug 13, 7:08 PM EDT | Severe Thunderstorm Warning | IWX | Fulton, Marshall, Pulaski, Starke | 67 min |
| Aug 13, 7:21 PM EDT | Severe Thunderstorm Warning | IWX | Cass, Fulton, Pulaski, White | 54 min |
| Aug 13, 7:59 PM EDT | Special Weather Statement | IWX | Wabash | 31 min |
Nearby
Tornado Warnings in Indiana, 2011Every tornado warning in 2011Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.