Alert archive / Indiana / Tornado Warnings in 2017
Tornado Warning 14, NWS Northern Indiana
NWS Northern Indiana issued this tornado warning at May 20, 2017, 7:59 PM EDT for White 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
- May 20, 2017, 7:59 PM EDT (23:59 UTC)
- Expired
- May 20, 2017, 8:30 PM EDT
- In force
- 31 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County White County, IN
The radar
The Northern Indiana radar (KIWX), 113 km from the middle of the area, began a volume at 00:00 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
Lincoln, IL (KILX), launched 12:00Z, 12.0 hours before the alert went out and 168 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
- 734 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 347 m²/s²
- 0-3 km storm-relative helicity
- 347 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
626
WFUS53 KIWX 202359
TORIWX
INC181-210030-
/O.NEW.KIWX.TO.W.0014.170520T2359Z-170521T0030Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Northern Indiana
759 PM EDT SAT MAY 20 2017
The National Weather Service in Northern Indiana has issued a
* Tornado Warning for...
Northern White County in northwestern Indiana...
* Until 830 PM EDT
* At 759 PM EDT, a severe thunderstorm capable of producing a tornado
was located 7 miles east of Wolcott, or 7 miles west of Monticello,
moving east at 30 mph.
HAZARD...Tornado.
SOURCE...Weather spotters reported funnel cloud.
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...
Monticello around 815 PM EDT.
Other locations impacted by this tornadic thunderstorm include Golden
Hill, Indiana Beach, Burnettsville, Norway, Reynolds, Smithson,
Idaville, Sitka, Headlee and Cedar Point.
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 4080 8702 4091 8671 4091 8658 4074 8658
4074 8675 4073 8676 4072 8675 4071 8676
4069 8676 4068 8698
TIME...MOT...LOC 2359Z 252DEG 26KT 4075 8691
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
NWS2 follow-up statements
610
WWUS53 KIWX 210016
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
816 PM EDT SAT MAY 20 2017
INC181-210030-
/O.CON.KIWX.TO.W.0014.000000T0000Z-170521T0030Z/
White IN-
816 PM EDT SAT MAY 20 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM EDT FOR
NORTHEASTERN WHITE COUNTY...
At 815 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Monticello, moving northeast at 25 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
northeastern White County, including the following locations: Indiana
Beach, Norway, Sitka, Headlee, Bell Center, Buffalo and
Burnettsville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4085 8685 4091 8671 4091 8658 4077 8658
4076 8674 4076 8684
TIME...MOT...LOC 0015Z 244DEG 23KT 4081 8680
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
NWS781
WWUS53 KIWX 210027
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
827 PM EDT SAT MAY 20 2017
INC181-210037-
/O.EXP.KIWX.TO.W.0014.000000T0000Z-170521T0030Z/
White IN-
827 PM EDT SAT MAY 20 2017
...THE TORNADO WARNING FOR NORTHEASTERN WHITE COUNTY WILL EXPIRE AT
830 PM EDT...
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.
LAT...LON 4085 8685 4091 8671 4091 8658 4077 8658
4076 8674 4076 8684
TIME...MOT...LOC 0027Z 254DEG 24KT 4082 8671
$$
NWSThe office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 7:29 PM EDT | Tornado Warning | IWX | White | 31 min |
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.