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 Jul 7, 2017, 12:21 AM MDT for 4 counties in Nebraska. It was in force for 54 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
- Jul 7, 2017, 12:21 AM MDT (06:21 UTC)
- Expired
- Jul 7, 2017, 1:15 AM MDT
- In force
- 54 min
- Issued by
- NWS North Platte, NE
Counties Cherry County, NE, Grant County, NE, Hooker County, NE, McPherson County, NE
The radar
The North Platte radar (KLNX), 56 km from the middle of the area, began a volume at 06:24 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
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 6.4 hours before the alert went out and 128 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
- 571 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 3414 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
861
WWUS83 KLBF 070621
SPSLBF
Special Weather Statement
National Weather Service North Platte NE
121 AM CDT FRI JUL 7 2017
NEZ005-023-024-035-036-094-070715-
Hooker NE-Eastern Cherry NE-Grant NE-Arthur NE-McPherson NE-
Western Cherry NE-
121 AM CDT FRI JUL 7 2017
...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN ARTHUR...CENTRAL
CHERRY...GRANT...HOOKER AND WESTERN MCPHERSON COUNTIES UNTIL 215 AM
CDT/115 AM MDT/...
At 120 AM CDT/1220 AM MDT/, Doppler radar was tracking strong
thunderstorms along a line extending from 7 miles northeast of
Merriman to 18 miles south of Medicine Lake to 13 miles northwest of
Arthur. Movement was east at 30 mph.
Winds in excess of 40 mph will be possible with these storms.
Locations impacted include...
Mullen, Arthur, Hyannis, Cody, Kilgore, Nenzel, Medicine Lake,
Whitman, Merritt Reservoir, Speckel Meir Lake, Eli, Duluth, Flatts,
Cogill Lake, Marsh Flat, Anderson Bridge State Wildlife Management
Area, Green Lake, Bourquim Hill, Indian Hill and Whitman Road
crossing the North Branch of the Middle Loup River.
This includes the following highways...
Highway 20 between mile markers 140 and 181.
Highway 2 between mile markers 146 and 194.
Highway 61 between mile markers 125 and 159.
Highway 92 between mile markers 165 and 192.
Highway 97 between mile markers 50 and 127.
LAT...LON 4236 10062 4209 10081 4209 10085 4203 10085
4147 10123 4164 10199 4167 10199 4247 10146
4299 10165 4300 10085
TIME...MOT...LOC 0620Z 279DEG 26KT 4297 10156 4246 10138 4170 10189
$$
PowerThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 6:22 PM MDT | Special Weather Statement | LBF | Frontier | 53 min |
| Jul 6, 6:33 PM MDT | Severe Thunderstorm Warning | LBF | Frontier | 42 min |
| Jul 6, 10:05 PM MDT | Special Weather Statement | LBF | Sheridan | 40 min |
| Jul 6, 10:11 PM MDT | Severe Thunderstorm Warning | LBF | Sheridan | 49 min |
| Jul 6, 10:53 PM MDT | Special Weather Statement | LBF | Sheridan | 52 min |
| Jul 7, 1:37 AM MDT | Special Weather Statement | LBF | Cherry | 68 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.