Alert archive / Nebraska / Severe Thunderstorm Watches in 2013
Severe Thunderstorm Watch 237
The Storm Prediction Center issued this severe thunderstorm watch at May 29, 2013, 12:57 AM CDT for 8 counties in Nebraska. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- May 29, 2013, 12:57 AM CDT (05:57 UTC)
- Expired
- May 29, 2013, 4:04 AM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
Counties Blaine County, NE, Custer County, NE, Hooker County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Thomas County, NE
The radar
The North Platte radar (KLNX), 37 km from the middle of the area, began a volume at 06:00 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 10%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 20%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 50%
Warnings issued inside it
3 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 12:59 AM CDT | Severe Thunderstorm Warning | LBF | Lincoln | 46 min |
| May 29, 1:29 AM CDT | Severe Thunderstorm Warning | LBF | Logan, Thomas | 31 min |
| May 29, 2:15 AM CDT | Severe Thunderstorm Warning | LBF | Cherry, Hooker, Thomas | 45 min |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 6.0 hours before the alert went out and 58 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
- 591 J/kg
- Mixed-layer CIN
- -181 J/kg
- Mixed-layer LCL
- 1648 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 7:52 PM CDT | Mesoscale Discussion | SPC | Arthur, Banner, Blaine, Box Butte, Boyd, Brown and 40 more | 113 min |
| May 28, 9:20 PM CDT | Mesoscale Discussion | SPC | Gage, Jefferson, Johnson, Nemaha, Otoe, Pawnee and 2 more | 55 min |
| May 29, 8:54 AM CDT | Mesoscale Discussion | SPC | Adams, Antelope, Boone, Buffalo, Burt, Butler and 42 more | 2 hr |
| May 29, 12:52 PM CDT | Mesoscale Discussion | SPC | Buffalo, Chase, Custer, Dawson, Dundy, Franklin and 14 more | 53 min |
| May 29, 1:04 PM CDT | Tornado Watch | SPC | Adams, Arthur, Blaine, Buffalo, Chase, Clay and 38 more | 9 hr |
| May 29, 3:12 PM CDT | Mesoscale Discussion | SPC | Butler, Cass, Fillmore, Gage, Hamilton, Jefferson and 12 more | 2 hr |
| May 29, 3:24 PM CDT | Mesoscale Discussion | SPC | Adams, Arthur, Boone, Buffalo, Chase, Clay and 27 more | 66 min |
| May 29, 3:33 PM CDT | Tornado Watch | SPC | Butler, Cass, Colfax, Gage, Jefferson, Johnson and 9 more | 7 hr |
| May 29, 5:18 PM CDT | Mesoscale Discussion | SPC | Burt, Cedar, Colfax, Cuming, Dakota, Dixon and 10 more | 87 min |
| May 29, 6:24 PM CDT | Tornado Watch | SPC | Antelope, Boone, Burt, Butler, Cass, Cedar and 26 more | 4 hr |
Nearby
Severe Thunderstorm Watches in Nebraska, 2013Every severe thunderstorm watch in 2013
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.