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 25, 2017, 6:42 PM MDT for Grant County, Nebraska. It was in force for 48 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 25, 2017, 6:42 PM MDT (00:42 UTC)
- Expired
- Jul 25, 2017, 7:30 PM MDT
- In force
- 48 min
- Issued by
- NWS North Platte, NE
County Grant County, NE
The radar
The North Platte radar (KLNX), 89 km from the middle of the area, began a volume at 00:42 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, 0.7 hours before the alert went out and 137 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
- 1341 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 2626 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS North Platte, NE wrote its last area forecast discussion before this special weather statement went out at Jul 25, 5:19 PM MDT, 1 hour 23 minutes earlier.
Area forecast discussion, Jul 25, 5:19 PM MDT, 1 hour 23 minutes before
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</html>Hazardous weather outlook, Jul 25, 2:12 PM MDT, 4 hours 30 minutes before
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</html>In the hours before
Special weather statement, Jul 25, 3:30 PM MDT, 3 hours 12 minutes before
Special Weather Statement National Weather Service North Platte NE 330 PM MDT TUE JUL 25 2017 NEZ094-252230- Western Cherry NE- 330 PM MDT TUE JUL 25 2017 ...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL CHERRY COUNTY UNTIL 430 PM MDT... At 329 PM MDT, Doppler radar was tracking a strong thunderstorm near Medicine Lake, or 33 miles east of Gordon, moving northeast at 15 mph. Nickel size hail and winds in excess of 40 mph will be possible with this storm. Locations impacted include... Medicine Lake. A severe thunderstorm watch remains in effect until 1000 PM MDT for north central Nebraska. LAT...LON 4263 10155 4270 10164 4289 10144 4272 10121 TIME...MOT...LOC 2129Z 241DEG 14KT 4269 10156 Kulik
Special weather statement, Jul 25, 6:01 PM MDT, 41 minutes before
Special Weather Statement
National Weather Service North Platte NE
701 PM CDT TUE JUL 25 2017
NEZ006-260045-
Keya Paha NE-
701 PM CDT TUE JUL 25 2017
...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN KEYA PAHA COUNTIES
UNTIL 745 PM CDT...
At 701 PM CDT, Doppler radar was tracking a strong thunderstorm near
Norden, or 17 miles northwest of Springview, moving east at 25 mph.
Half inch hail and wind gusts up to 50 mph will be possible with this
storm.
Locations impacted include...
Norden and Burton.
This includes the following highways...
Highway 183 between mile markers 127 and 225.
Highway 12 between mile markers 27 and 39, and between mile markers
52 and 61.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
A severe thunderstorm watch remains in effect until 1100 PM CDT for
north central Nebraska.
LAT...LON 4292 9952 4280 10006 4297 10020 4299 10020
4300 10017 4300 9958
TIME...MOT...LOC 0001Z 257DEG 39KT 4295 10004
CDCSpecial weather statement, Jul 25, 6:42 PM MDT, 0 minutes before
Special Weather Statement National Weather Service North Platte NE 642 PM MDT TUE JUL 25 2017 NEZ023-094-260130- Grant NE-Western Cherry NE- 642 PM MDT TUE JUL 25 2017 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN CHERRY AND GRANT COUNTIES UNTIL 730 PM MDT... At 641 PM MDT, Doppler radar was tracking strong thunderstorms from near Hyannis to 10 miles southeast of Ashby. Movement was northeast at 30 mph. Half inch hail and wind gusts up to 50 mph will be possible with these storms. Locations impacted include... Hyannis, Ashby, Whitman, Duluth, Hire, Whitman Road crossing the North Branch of the Middle Loup River, Pratt Lake, Spring Valley Lake, Cogill Lake and Mother Lake. This includes the following highways... Highway 2 between mile markers 135 and 164. Highway 61 between mile markers 142 and 177. A severe thunderstorm watch remains in effect until 1000 PM MDT for north central and west central Nebraska. LAT...LON 4234 10140 4179 10144 4180 10193 4217 10200 TIME...MOT...LOC 0041Z 246DEG 28KT 4208 10179 4189 10182 CDC
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 6:01 PM MDT | Special Weather Statement | LBF | Keya Paha | 44 min |
| Jul 25, 6:44 PM MDT | Special Weather Statement | LBF | Keya Paha | 46 min |
| Jul 25, 7:00 PM MDT | Severe Thunderstorm Warning | LBF | Cherry, Grant, Hooker | 45 min |
| Jul 25, 7:16 PM MDT | Special Weather Statement | LBF | Brown | 44 min |
| Jul 25, 7:45 PM MDT | Special Weather Statement | LBF | Keya Paha | 45 min |
| Jul 25, 7:47 PM MDT | Severe Thunderstorm Warning | LBF | Brown, Rock | 43 min |
| Jul 25, 8:19 PM MDT | Special Weather Statement | LBF | Rock | 41 min |
| Jul 25, 8:42 PM MDT | Special Weather Statement | LBF | Chase, Perkins | 48 min |
| Jul 25, 8:53 PM MDT | Severe Thunderstorm Warning | LBF | Chase, Hayes, Perkins | 36 min |
| Jul 25, 9:04 PM MDT | Special Weather Statement | LBF | Boyd, Holt | 41 min |
| Jul 25, 9:23 PM MDT | Special Weather Statement | LBF | Loup, Rock | 37 min |
| Jul 25, 9:36 PM MDT | Special Weather Statement | LBF | Keith | 39 min |
| Jul 25, 9:54 PM MDT | Special Weather Statement | LBF | Thomas | 51 min |
| Jul 25, 9:55 PM MDT | Special Weather Statement | LBF | Cherry | 50 min |
| Jul 25, 10:04 PM MDT | Special Weather Statement | LBF | Holt | 41 min |
| Jul 25, 10:14 PM MDT | Special Weather Statement | LBF | Logan | 46 min |
| Jul 25, 10:46 PM MDT | Special Weather Statement | LBF | Logan | 44 min |
| Jul 25, 10:52 PM MDT | Severe Thunderstorm Warning | LBF | Blaine, Brown, Cherry, Custer, Logan, Thomas | 38 min |
| Jul 25, 11:25 PM MDT | Severe Thunderstorm Warning | LBF | Blaine, Brown, Custer, Loup, Rock | 50 min |
| Jul 26, 12:12 AM MDT | Special Weather Statement | LBF | Garfield | 48 min |
| Jul 26, 12:37 AM MDT | Severe Thunderstorm Warning | LBF | Garfield, Holt, Wheeler | 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.