Alert archive / Nebraska / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 146, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jul 9, 2019, 8:21 PM CDT for Boyd County, Keya Paha County, Nebraska. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 9, 2019, 8:21 PM CDT (01:21 UTC)
- Expired
- Jul 9, 2019, 9:00 PM CDT
- In force
- 39 min
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Boyd County, NE, Keya Paha County, NE
The radar
The North Platte radar (KLNX), 151 km from the middle of the area, began a volume at 01:24 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 9, 2:31 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.4 hours before the alert went out and 226 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
- 39 J/kg
- Mixed-layer CIN
- -115 J/kg
- Mixed-layer LCL
- 2589 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 9, 6:33 PM CDT, 1 hour 48 minutes earlier.
Area forecast discussion, Jul 9, 6:33 PM CDT, 1 hour 48 minutes before
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</html>Hazardous weather outlook, Jul 9, 3:43 PM CDT, 4 hours 38 minutes before
Hazardous Weather Outlook National Weather Service North Platte NE 343 PM CDT Tue Jul 9 2019 NEZ004>010-022>029-035>038-056>059-069>071-094-102045- Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden- Grant-Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson- Logan-Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier- Western Cherry- 343 PM CDT Tue Jul 9 2019 /243 PM MDT Tue Jul 9 2019/ This Hazardous Weather Outlook is for portions of western and north central Nebraska. .DAY ONE...TONIGHT. Strong to severe thunderstorms are expected late this afternoon through the evening. The area of concern for severe weather is across northern Nebraska, generally along and north of highway 2. The hazards are large hail and wind damage. Some storms may also be capable of locally heavy rainfall which could lead to localized flooding. The area concern for this hazard is generally east of highway 83. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. Isolated to scattered thunderstorm chances are in the forecast Friday night through Monday. The risk of severe weather is uncertain at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed through tonight. && Get your weather, hydrological, and climate information at http://www.weather.gov/northplatte
In the hours before
Local storm report, Jul 9, 4:49 PM CDT, 3 hours 32 minutes before
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</html>Special weather statement, Jul 9, 6:17 PM CDT, 2 hours 4 minutes before
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</html>Local storm report, Jul 9, 7:04 PM CDT, 1 hour 17 minutes before
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</html>Special weather statement, Jul 9, 7:14 PM CDT, 1 hour 7 minutes before
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</html>Special weather statement, Jul 9, 8:03 PM CDT, 18 minutes before
Special Weather Statement National Weather Service North Platte NE 803 PM CDT Tue Jul 9 2019 NEZ005-008-094-100145- Brown NE-Eastern Cherry NE-Western Cherry NE- 803 PM CDT Tue Jul 9 2019 ...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL CHERRY AND NORTHWESTERN BROWN COUNTIES UNTIL 845 PM CDT... At 803 PM CDT, Doppler radar was tracking a strong thunderstorm near Merritt Reservoir, or 17 miles southwest of Valentine, moving east at 45 mph. Winds in excess of 40 mph will be possible with this storm. Locations impacted include... Merritt Reservoir, Wood Lake, Big Alkali Lake State Wildlife Management Area and Schlagel Creek State Wildlife Management Area. This includes the following highways... Highway 20 between mile markers 209 and 230. Highway 97 between mile markers 115 and 128. Highway 83 between mile markers 188 and 203. A Severe Thunderstorm Watch remains in effect until 900 PM CDT for north central Nebraska. LAT...LON 4263 10089 4277 10084 4275 10006 4239 10010 TIME...MOT...LOC 0103Z 281DEG 49KT 4267 10076 Jacobs
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 7:14 PM CDT | Special Weather Statement | LBF | Keya Paha | 46 min |
| Jul 9, 8:03 PM CDT | Special Weather Statement | LBF | Cherry | 42 min |
| Jul 10, 12:06 AM CDT | Special Weather Statement | LBF | Keith | 54 min |
| Jul 10, 12:20 AM CDT | Special Weather Statement | LBF | Deuel | 40 min |
| Jul 10, 12:43 AM CDT | Special Weather Statement | LBF | Perkins | 62 min |
| Jul 10, 1:03 AM CDT | Special Weather Statement | LBF | Frontier | 42 min |
| Jul 10, 1:09 AM CDT | Special Weather Statement | LBF | Hayes | 36 min |
| Jul 10, 1:37 AM CDT | Severe Thunderstorm Warning | LBF | Custer | 38 min |
| Jul 10, 1:45 AM CDT | Special Weather Statement | LBF | Frontier | 45 min |
| Jul 10, 2:15 AM CDT | Special Weather Statement | LBF | Frontier | 30 min |
| Jul 10, 2:17 AM CDT | Special Weather Statement | LBF | Sherman | 28 min |
| Jul 10, 3:27 AM CDT | Special Weather Statement | LBF | Frontier | 48 min |
| Jul 10, 3:46 AM CDT | Areal Flood Warning | LBF | Frontier | 34 min |
| Jul 10, 4:18 AM CDT | Special Weather Statement | LBF | Frontier | 42 min |
| Jul 10, 4:24 AM CDT | Flash Flood Warning | LBF | Frontier | 3 hr |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2019Every severe thunderstorm warning in 2019
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.