Alert archive / Indiana / Tornado Warnings in 2017
Tornado Warning 1, NWS Indianapolis, IN
NWS Indianapolis, IN issued this tornado warning at Feb 28, 2017, 10:35 PM EST for Knox County, Sullivan County, Indiana. It was in force for 25 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
- Feb 28, 2017, 10:35 PM EST (03:35 UTC)
- Expired
- Feb 28, 2017, 11:00 PM EST
- In force
- 25 min
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Knox County, IN, Sullivan County, IN
The radar
The Evansville,IN radar (KVWX), 77 km from the middle of the area, began a volume at 03:35 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 28, 9:29 PM EST | Tornado Watch | SPC | 12 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 3.6 hours before the alert went out and 170 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
- 687 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 887 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 395 m²/s²
- 0-3 km storm-relative helicity
- 431 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 6.7
The text
As transmitted.
591
WFUS53 KIND 010335
TORIND
INC083-153-010400-
/O.NEW.KIND.TO.W.0001.170301T0335Z-170301T0400Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Indianapolis IN
1035 PM EST TUE FEB 28 2017
The National Weather Service in Indianapolis has issued a
* Tornado Warning for...
Southern Sullivan County in southwestern Indiana...
North central Knox County in southwestern Indiana...
* Until 1100 PM EST.
* At 1034 PM EST, a severe thunderstorm capable of producing a
tornado was located near Birds, or 10 miles northeast of
Lawrenceville, moving northeast at 35 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Oaktown around 1050 PM EST.
Carlisle around 1055 PM EST.
Paxton, Pleasantville and Freelandville around 1100 PM EST.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3911 8729 3899 8724 3891 8724 3891 8721
3887 8719 3877 8751 3879 8749 3882 8753
3885 8753 3886 8755 3888 8754 3890 8754
3889 8753 3890 8753 3890 8752 3892 8753
3896 8751 3899 8757
TIME...MOT...LOC 0334Z 245DEG 30KT 3886 8760
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
501 follow-up statement
940
WWUS53 KIND 010350
SVSIND
Severe Weather Statement
National Weather Service Indianapolis IN
1050 PM EST TUE FEB 28 2017
INC083-153-010400-
/O.EXP.KIND.TO.W.0001.000000T0000Z-170301T0400Z/
Sullivan IN-Knox IN-
1050 PM EST TUE FEB 28 2017
...THE TORNADO WARNING FOR SOUTHERN SULLIVAN AND NORTH CENTRAL KNOX
COUNTIES WILL EXPIRE AT 1100 PM EST...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire. However gusty
winds are still possible with this thunderstorm.
A tornado watch remains in effect until 500 AM EST for southwestern
Indiana.
LAT...LON 3911 8729 3899 8724 3891 8724 3891 8721
3887 8719 3877 8751 3879 8749 3882 8753
3885 8753 3886 8755 3888 8754 3890 8754
3889 8753 3890 8753 3890 8752 3892 8753
3896 8751 3899 8757
TIME...MOT...LOC 0350Z 245DEG 30KT 3891 8747
$$
50The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 28, 9:23 PM EST | Severe Thunderstorm Warning | IND | Clay, Sullivan, Vigo | 37 min |
| Mar 1, 12:33 AM EST | Severe Thunderstorm Warning | IND | Rush, Shelby | 28 min |
| Mar 1, 1:07 AM EST | Severe Thunderstorm Warning | IND | Jackson, Jennings | 38 min |
| Mar 1, 1:20 AM EST | Areal Flood Warning | IND | Jackson, Jennings | 6 hr |
| Mar 1, 2:14 AM EST | Special Weather Statement | IND | Montgomery | 31 min |
| Mar 1, 2:46 AM EST | Special Weather Statement | IND | Boone, Clinton, Hamilton, Tipton | 29 min |
| Mar 1, 2:53 AM EST | Special Weather Statement | IND | Clay, Hendricks, Morgan, Putnam | 37 min |
| Mar 1, 4:50 AM EST | Severe Thunderstorm Warning | IND | Clay, Morgan, Owen, Putnam | 20 min |
| Mar 1, 5:36 AM EST | Severe Thunderstorm Warning | IND | Bartholomew, Brown, Decatur, Jennings, Johnson, Rush and 1 more | 39 min |
| Mar 1, 6:02 AM EST | Severe Thunderstorm Warning | IND | Jennings | 22 min |
| Mar 1, 7:09 AM EST | Areal Flood Warning | IND | Jackson, Jennings | 3 hr |
| Mar 1, 11:23 AM EST | River Flood Warning | IND | Jackson, Jennings, Washington | 13 hr |
| Mar 1, 11:23 AM EST | River Flood Warning | IND | Jackson, Lawrence, Washington | 7 days |
| Mar 1, 11:23 AM EST | River Flood Warning | IND | Lawrence, Martin | 7 days |
| Mar 1, 11:23 AM EST | River Flood Warning | IND | Lawrence, Martin | 7 days |
| Mar 1, 11:23 AM EST | River Flood Warning | IND | Lawrence, Martin | 7 days |
| Mar 1, 11:23 AM EST | River Flood Warning | IND | Greene, Monroe, Owen | 3 days |
| Mar 1, 11:23 AM EST | River Flood Warning | IND | Daviess, Greene, Knox | 4 days |
Nearby
Tornado Warnings in Indiana, 2017Every tornado warning in 2017Tornadoes in 2017
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.