Alert archive / Indiana / Tornado Warnings in 2011
Tornado Warning 21, NWS Wilmington, OH
NWS Wilmington, OH issued this tornado warning at Apr 23, 2011, 1:59 AM EDT for Dearborn County, Ripley County, Indiana. It was in force for 31 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
- Apr 23, 2011, 1:59 AM EDT (05:59 UTC)
- Expired
- Apr 23, 2011, 2:30 AM EDT
- In force
- 31 min
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
Counties Dearborn County, IN, Ripley County, IN
The radar
The Indianapolis radar (KIND), 123 km from the middle of the area, began a volume at 06:02 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
Cncnati-Daytn, OH (KILN), launched 00:00Z, 6.0 hours before the alert went out and 126 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
- 565 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 147 m²/s²
- 0-3 km storm-relative helicity
- 265 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
971
WFUS51 KILN 230559
TORILN
INC029-137-230630-
/O.NEW.KILN.TO.W.0021.110423T0559Z-110423T0630Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
159 AM EDT SAT APR 23 2011
THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A
* TORNADO WARNING FOR...
WESTERN DEARBORN COUNTY IN SOUTHEAST INDIANA...
RIPLEY COUNTY IN SOUTHEAST INDIANA...
* UNTIL 230 AM EDT.
* AT 158 AM EDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF
PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 11 MILES WEST
OF HOLTON......MOVING EAST AT 45 MPH.
* LOCATIONS IMPACTED INCLUDE...
OSGOOD...
VERSAILLES...
MOORES HILL...
MILAN...
DILLSBORO...
IN ADDITION...HOLTON...NEW MARION...OTTER VILLAGE...REXVILLE...
NAPOLEON...BENHAM...VERSAILLES LAKE AND OLEAN ARE NEAR THE PATH OF
THIS DANGEROUS THUNDERSTORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.
PLEASE REPORT TORNADOES...FUNNEL CLOUDS...STRONG WINDS OR HAIL TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772...WHEN
YOU CAN DO SO SAFELY.
&&
LAT...LON 3920 8544 3926 8503 3898 8502 3897 8505
3895 8506 3896 8507 3894 8510 3894 8512
3895 8511 3896 8512 3893 8514 3892 8545
TIME...MOT...LOC 0559Z 269DEG 38KT 3904 8557
$$1 follow-up statement
324
WWUS51 KILN 230621
SVSILN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
221 AM EDT SAT APR 23 2011
INC029-137-230630-
/O.CON.KILN.TO.W.0021.000000T0000Z-110423T0630Z/
DEARBORN IN-RIPLEY IN-
221 AM EDT SAT APR 23 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM EDT FOR SOUTHERN
RIPLEY AND SOUTHWESTERN DEARBORN COUNTIES...
AT 217 AM EDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR
NEW MARION...MOVING EAST AT 30 MPH.
LOCATIONS IMPACTED INCLUDE...
VERSAILLES...MOORES HILL...MILAN AND DILLSBORO.
IN ADDITION...NEW MARION...REXVILLE...VERSAILLES LAKE...CROSS
PLAINS...FRIENDSHIP...BENHAM...OLEAN AND COLD SPRINGS ARE NEAR THE
PATH OF THIS STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER. PROTECT YOURSELF
FROM FLYING DEBRIS.
TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.
PLEASE REPORT TORNADOES...FUNNEL CLOUDS...STRONG WINDS OR HAIL TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772...WHEN
YOU CAN DO SO SAFELY.
&&
LAT...LON 3911 8545 3915 8503 3898 8502 3897 8505
3895 8506 3896 8507 3894 8510 3894 8512
3895 8511 3896 8512 3893 8514 3892 8545
TIME...MOT...LOC 0621Z 264DEG 25KT 3902 8538
$$The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 1:08 AM EDT | Areal Flood Advisory | ILN | Dearborn, Franklin, Ohio, Ripley, Switzerland | 5 hr |
| Apr 23, 2:03 AM EDT | Flash Flood Warning | ILN | Dearborn, Ripley | 3 hr |
| Apr 23, 2:21 AM EDT | Flash Flood Warning | ILN | Ohio | 3 hr |
| Apr 23, 5:59 AM EDT | Areal Flood Advisory | ILN | Dearborn, Franklin, Ohio, Ripley, Switzerland | 7 hr |
| Apr 23, 12:51 PM EDT | Areal Flood Advisory | ILN | Dearborn, Franklin, Ohio, Ripley, Switzerland | 6 hr |
| Apr 23, 1:36 PM EDT | Special Weather Statement | ILN | Ohio, Switzerland | 39 min |
| Apr 23, 1:45 PM EDT | Flash Flood Warning | ILN | Dearborn, Franklin, Ohio, Ripley, Switzerland | 8 hr |
| Apr 23, 2:35 PM EDT | Special Weather Statement | ILN | Switzerland | 40 min |
| Apr 23, 2:53 PM EDT | Severe Thunderstorm Warning | ILN | Switzerland | 37 min |
| Apr 23, 5:27 PM EDT | River Flood Warning | ILN | Switzerland | 5 days |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.