Alert archive / Nebraska / Tornado Watches in 2014
Tornado Watch 96
The Storm Prediction Center issued this tornado watch at Apr 27, 2014, 12:16 PM CDT for Jewell County, Mitchell County, Smith County, Kansas; 37 counties in Nebraska. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 27, 2014, 12:16 PM CDT (17:16 UTC)
- Expired
- Apr 27, 2014, 7:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 40 counties
Jewell County, KS, Mitchell County, KS, Smith County, KS, Adams County, NE, Blaine County, NE, Boyd County, NE, Brown County, NE, Buffalo County, NE, Cherry County, NE, Clay County, NE, Custer County, NE, Dawson County, NE, Fillmore County, NE, Franklin County, NE, Garfield County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Holt County, NE, Hooker County, NE, Howard County, NE, Kearney County, NE, Keya Paha County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Merrick County, NE, Nance County, NE, Nuckolls County, NE, Phelps County, NE, Polk County, NE, Rock County, NE, Sherman County, NE, Thayer County, NE, Thomas County, NE, Valley County, NE, Webster County, NE, Wheeler County, NE, York County, NE
The radar
The North Platte radar (KLNX), 88 km from the middle of the area, began a volume at 17:19 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 SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
17 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 12:48 PM CDT | Severe Thunderstorm Warning | LBF | Lincoln, Logan | 57 min |
| Apr 27, 12:59 PM CDT | Severe Thunderstorm Warning | LBF | Lincoln, McPherson | 46 min |
| Apr 27, 1:46 PM CDT | Severe Thunderstorm Warning | GID | Franklin, Kearney | 44 min |
| Apr 27, 2:05 PM CDT | Severe Thunderstorm Warning | LBF | Cherry | 40 min |
| Apr 27, 2:13 PM CDT | Severe Thunderstorm Warning | GID | Franklin, Webster | 47 min |
| Apr 27, 2:23 PM CDT | Tornado Warning | GID | Franklin, Kearney | 22 min |
| Apr 27, 2:34 PM CDT | Severe Thunderstorm Warning | GID | Clay, Fillmore, Nuckolls, Thayer | 41 min |
| Apr 27, 2:42 PM CDT | Tornado Warning | GID | Kearney | 48 min |
| Apr 27, 3:15 PM CDT | Severe Thunderstorm Warning | GID | Clay, Fillmore | 45 min |
| Apr 27, 3:48 PM CDT | Severe Thunderstorm Warning | GID | Adams, Hall | 42 min |
| Apr 27, 3:50 PM CDT | Severe Thunderstorm Warning | GID | Clay, Fillmore, Hamilton, York | 40 min |
| Apr 27, 4:20 PM CDT | Severe Thunderstorm Warning | GID | Buffalo, Hall, Howard, Sherman | 40 min |
| Apr 27, 4:26 PM CDT | Severe Thunderstorm Warning | GID | Hamilton, Merrick, Nance, Polk, York | 49 min |
| Apr 27, 4:54 PM CDT | Tornado Warning | GID | Hamilton, Merrick, Polk, York | 36 min |
| Apr 27, 5:46 PM CDT | Severe Thunderstorm Warning | LBF | Brown, Rock | 44 min |
| Apr 27, 5:47 PM CDT | Severe Thunderstorm Warning | LBF | Holt | 43 min |
| Apr 27, 6:14 PM CDT | Severe Thunderstorm Warning | LBF | Brown, Keya Paha, Rock | 31 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 5.3 hours before the alert went out and 88 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
- 3019 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
256 WWUS20 KWNS 271715 SEL6 SPC WW 271715 KSZ000-NEZ000-280000- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 96 NWS STORM PREDICTION CENTER NORMAN OK 1215 PM CDT SUN APR 27 2014 THE NWS STORM PREDICTION CENTER HAS ISSUED A * TORNADO WATCH FOR PORTIONS OF EXTREME NORTH CENTRAL KANSAS MUCH OF CENTRAL NEBRASKA * EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 1215 PM UNTIL 700 PM CDT. * PRIMARY THREATS INCLUDE... A COUPLE TORNADOES POSSIBLE ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 5 MILES SOUTH SOUTHWEST OF MULLEN NEBRASKA TO 50 MILES EAST SOUTHEAST OF HASTINGS NEBRASKA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. && OTHER WATCH INFORMATION...CONTINUE...WW 94...WW 95... DISCUSSION...CONVECTION IS DEVELOPING ALONG THE NOSE OF THE DRY SLOT FROM NRN KS INTO S CENTRAL NEB...AND THESE STORMS SHOULD INTENSIFY THROUGH THE AFTERNOON WHILE MOVING NWD. VERTICAL SHEAR WILL BE SUFFICIENT FOR SUPERCELLS...WITH AN ATTENDANT RISK FOR A COUPLE OF TORNADOES...LARGE HAIL...AND A FEW DAMAGING GUSTS. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION VECTOR 17030. ...THOMPSON
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 5:09 AM CDT | Mesoscale Discussion | SPC | Anderson, Atchison, Barber, Barton, Butler, Chase and 46 more | 96 min |
| Apr 27, 6:09 AM CDT | Severe Thunderstorm Watch | SPC | Allen, Anderson, Brown, Butler, Chase, Chautauqua and 41 more | 6 hr |
| Apr 27, 7:55 AM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Atchison, Bourbon, Brown, Butler and 40 more | 95 min |
| Apr 27, 10:37 AM CDT | Mesoscale Discussion | SPC | Bourbon, Crawford, Doniphan, Johnson, Leavenworth, Linn and 2 more | 113 min |
| Apr 27, 11:23 AM CDT | Tornado Watch | SPC | Bourbon, Cherokee, Crawford, Johnson, Leavenworth, Linn and 2 more | 8 hr |
| Apr 27, 11:54 AM CDT | Mesoscale Discussion | SPC | Clay, Cloud, Dickinson, Jewell, Mitchell, Ottawa and 3 more | 96 min |
| Apr 27, 4:57 PM CDT | Mesoscale Discussion | SPC | Bourbon, Cherokee, Crawford, Johnson, Linn, Miami and 1 more | 63 min |
| Apr 27, 6:10 PM CDT | Mesoscale Discussion | SPC | Bourbon, Cherokee, Crawford, Johnson, Linn, Miami and 1 more | 95 min |
| Apr 27, 6:26 PM CDT | Tornado Watch | SPC | Johnson, Leavenworth, Miami, Wyandotte | 8 hr |
| Apr 27, 12:48 PM CDT | Mesoscale Discussion | SPC | Keith | 2 hr |
| Apr 27, 3:19 PM CDT | Mesoscale Discussion | SPC | Adams, Arthur, Blaine, Brown, Buffalo, Cherry and 19 more | 86 min |
| Apr 27, 6:28 PM CDT | Mesoscale Discussion | SPC | Blaine, Boyd, Brown, Cherry, Custer, Garfield and 13 more | 62 min |
Nearby
Tornado Watches in Nebraska, 2014Tornado Watches in Kansas, 2014Every tornado watch in 2014
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.