Alert archive / Nebraska / Tornado Warnings in 2017
Tornado Warning 15, NWS North Platte, NE
NWS North Platte, NE issued this tornado warning at Aug 19, 2017, 6:04 PM CDT for Loup County, Rock County, Nebraska. It was in force for 41 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
- Aug 19, 2017, 6:04 PM CDT (23:04 UTC)
- Expired
- Aug 19, 2017, 6:45 PM CDT
- In force
- 41 min
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Loup County, NE, Rock County, NE
The radar
The North Platte radar (KLNX), 102 km from the middle of the area, began a volume at 23:06 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 |
|---|---|---|---|
| Aug 19, 5:45 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.1 hours before the alert went out and 151 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
- 2581 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 260 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
301
WFUS53 KLBF 192304
TORLBF
NEC115-149-192345-
/O.NEW.KLBF.TO.W.0015.170819T2304Z-170819T2345Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service North Platte NE
604 PM CDT SAT AUG 19 2017
The National Weather Service in North Platte has issued a
* Tornado Warning for...
Southeastern Rock County in north central Nebraska...
Northeastern Loup County in north central Nebraska...
* Until 645 PM CDT
* At 604 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Rose, or 24 miles northeast of Brewster, moving
east at 10 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 tornadic thunderstorm will remain over mainly rural areas of
southeastern Rock and northeastern Loup Counties.
This includes Highway 183 between mile markers 143 and 157.
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 4205 9923 4202 9950 4218 9961 4235 9924
TIME...MOT...LOC 2304Z 252DEG 8KT 4213 9947
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
Roberg2 follow-up statements
180
WWUS53 KLBF 192325
SVSLBF
Severe Weather Statement
National Weather Service North Platte NE
625 PM CDT SAT AUG 19 2017
NEC115-149-192345-
/O.CON.KLBF.TO.W.0015.000000T0000Z-170819T2345Z/
Rock NE-Loup NE-
625 PM CDT SAT AUG 19 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
SOUTHEASTERN ROCK AND NORTHEASTERN LOUP COUNTIES...
At 625 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Rose, or 24 miles north of Taylor, moving northeast
at 15 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Rose.
This includes Highway 183 between mile markers 143 and 156.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4202 9950 4217 9960 4234 9924 4205 9923
TIME...MOT...LOC 2325Z 235DEG 13KT 4213 9943
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
Roberg633
WWUS53 KLBF 192341
SVSLBF
Severe Weather Statement
National Weather Service North Platte NE
641 PM CDT SAT AUG 19 2017
NEC115-149-192349-
/O.EXP.KLBF.TO.W.0015.000000T0000Z-170819T2345Z/
Rock NE-Loup NE-
641 PM CDT SAT AUG 19 2017
...THE TORNADO WARNING FOR SOUTHEASTERN ROCK AND NORTHEASTERN LOUP
COUNTIES WILL EXPIRE AT 645 PM CDT...
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and
a Severe Thunderstorm Warning remains in effect for Loup County.
A severe thunderstorm watch remains in effect until 100 AM CDT for
north central Nebraska.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
North Platte.
LAT...LON 4202 9950 4217 9960 4234 9924 4205 9923
TIME...MOT...LOC 2339Z 270DEG 8KT 4214 9939
$$
RobergThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 5:37 PM CDT | Special Weather Statement | LBF | Keith | 38 min |
| Aug 19, 5:59 PM CDT | Special Weather Statement | LBF | Rock | 46 min |
| Aug 19, 6:29 PM CDT | Severe Thunderstorm Warning | LBF | Blaine, Loup | 46 min |
Nearby
Tornado Warnings in Nebraska, 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.