Alert archive / Nebraska / Special Weather Statements in 2017
Special Weather Statement, NWS North Platte, NE
NWS North Platte, NE issued this special weather statement at Aug 2, 2017, 6:13 PM MDT for Chase County, Nebraska. It was in force for 47 min. 4 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 2, 2017, 6:13 PM MDT (00:13 UTC)
- Expired
- Aug 2, 2017, 7:00 PM MDT
- In force
- 47 min
- Issued by
- NWS North Platte, NE
County Chase County, NE
The radar
The Goodland radar (KGLD), 133 km from the middle of the area, began a volume at 00:16 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 was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 2, 6:37 PM MDT | TSTM WND GST 60 | 2 N Imperial, NE | CO-OP ESTIMATED WINDS NORTH OF IMPERIAL |
| Aug 2, 6:37 PM MDT | HAIL 0.25 | 10 N Imperial, NE | PEA SIZE HAIL AND A LOT OF BRANCHES DOWN -- NO WIND ESTIMATE AVAIL |
| Aug 2, 6:40 PM MDT | TSTM WND DMG | W Imperial, NE | LARGE TREE SNAPPED IN HALF. |
| Aug 2, 6:40 PM MDT | TSTM WND GST 76 | Imperial, NE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.2 hours before the alert went out and 103 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
- 378 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 2029 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 291 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.2
The text
As transmitted.
983
WWUS83 KLBF 030013
SPSLBF
Special Weather Statement
National Weather Service North Platte NE
613 PM MDT WED AUG 2 2017
NEZ058-069-030100-
Chase NE-Perkins NE-
613 PM MDT WED AUG 2 2017
...SIGNIFICANT WEATHER ADVISORY FOR SOUTH CENTRAL PERKINS...EASTERN
CHASE AND WESTERN HAYES COUNTIES UNTIL 700 PM MDT...
At 612 PM MDT, Doppler radar was tracking a strong thunderstorm near
Grant, moving southeast at 30 mph.
Nickel size hail and winds in excess of 40 mph will be possible with
this storm.
Locations impacted include...
Imperial, Enders, Enders Reservoir State Recreation Area, Center Dam
Campground, Wanamaker State Wildfire Management Area, Area A
Campground and Church Grove Campground.
This includes Highway 61 between mile markers 28 and 63.
A severe thunderstorm watch remains in effect until 900 PM MDT for
southwestern Nebraska.
LAT...LON 4035 10164 4079 10182 4086 10160 4051 10134
4047 10135
TIME...MOT...LOC 0012Z 335DEG 28KT 4076 10165
$$
ButtlerThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 6:09 PM MDT | Severe Thunderstorm Warning | LBF | Hayes, Lincoln | 66 min |
| Aug 2, 6:21 PM MDT | Severe Thunderstorm Warning | LBF | Chase, Perkins | 54 min |
| Aug 2, 6:58 PM MDT | Severe Thunderstorm Warning | LBF | Chase, Hayes | 32 min |
| Aug 2, 8:30 PM MDT | Special Weather Statement | LBF | Garfield | 45 min |
| Aug 2, 8:36 PM MDT | Special Weather Statement | LBF | Custer | 39 min |
| Aug 2, 8:43 PM MDT | Severe Thunderstorm Warning | LBF | Custer | 32 min |
| Aug 2, 8:56 PM MDT | Special Weather Statement | LBF | Frontier | 49 min |
Nearby
Special Weather Statements in Nebraska, 2017Every special weather statement 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.