Alert archive / Nebraska / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 94, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at May 29, 2018, 4:01 PM MDT for Keith County, Perkins County, Nebraska. It was in force for 44 min. 1 report 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
- May 29, 2018, 4:01 PM MDT (22:01 UTC)
- Expired
- May 29, 2018, 4:45 PM MDT
- In force
- 44 min
- Issued by
- NWS North Platte, NE
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Keith County, NE, Perkins County, NE
The radar
The North Platte radar (KLNX), 143 km from the middle of the area, began a volume at 22:00 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 was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 29, 4:05 PM MDT | HAIL 1 | 8 Ssw Ogallala, NE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
Did it verify
Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 4 minutes after it went out.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.0 hours before the alert went out and 93 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
- 2 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 730 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
000 WUUS53 KLBF 292201 SVRLBF NEC101-135-292245- /O.NEW.KLBF.SV.W.0094.180529T2201Z-180529T2245Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service North Platte NE 401 PM MDT TUE MAY 29 2018 The National Weather Service in North Platte has issued a * Severe Thunderstorm Warning for... North central Perkins County in southwestern Nebraska... South central Keith County in southwestern Nebraska... * Until 445 PM MDT. * At 401 PM MDT, a severe thunderstorm was located near Ogallala, moving east at 10 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * This severe thunderstorm will remain over mainly rural areas of north central Perkins and south central Keith Counties. This includes Highway 61 between mile markers 73 and 82. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4095 10186 4105 10175 4109 10149 4085 10149 TIME...MOT...LOC 2201Z 279DEG 11KT 4103 10170 HAIL...1.00IN WIND...<50MPH $$ CDC
2 follow-up statements
941 WWUS53 KLBF 292233 SVSLBF Severe Weather Statement National Weather Service North Platte NE 433 PM MDT TUE MAY 29 2018 NEC101-135-292245- /O.CON.KLBF.SV.W.0094.000000T0000Z-180529T2245Z/ Perkins NE-Keith NE- 433 PM MDT TUE MAY 29 2018 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM MDT FOR NORTH CENTRAL PERKINS AND SOUTHEASTERN KEITH COUNTIES... At 433 PM MDT, a severe thunderstorm was located 9 miles north of Madrid, or 11 miles northeast of Grant, moving east at 15 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. This severe thunderstorm will remain over mainly rural areas of north central Perkins and southeastern Keith Counties. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4091 10172 4107 10164 4109 10149 4085 10149 TIME...MOT...LOC 2233Z 277DEG 13KT 4098 10159 HAIL...1.00IN WIND...<50MPH $$ CDC
226
WWUS53 KLBF 292247
SVSLBF
Severe Weather Statement
National Weather Service North Platte NE
447 PM MDT TUE MAY 29 2018
NEC101-135-292257-
/O.EXP.KLBF.SV.W.0094.000000T0000Z-180529T2245Z/
Perkins NE-Keith NE-
447 PM MDT TUE MAY 29 2018
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL PERKINS AND
SOUTHEASTERN KEITH COUNTIES HAS EXPIRED...
The severe thunderstorm which prompted the warning has weakened.
moved out of the warned area. Therefore, the warning has been
allowed to expire. However small hail is still possible with this
thunderstorm.
LAT...LON 4091 10172 4107 10164 4109 10149 4085 10149
TIME...MOT...LOC 2247Z 279DEG 11KT 4097 10154
$$
CDCWhat 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 May 29, 3:08 PM MDT, 53 minutes earlier.
Area forecast discussion, May 29, 3:08 PM MDT, 53 minutes before
Area Forecast Discussion National Weather Service North Platte NE 408 PM CDT Tue May 29 2018 .SHORT TERM...(This evening through Wednesday) Issued at 203 PM CDT Tue May 29 2018 This evening the upper low will lift northeast into central South Dakota moving the associated short-wave trough and surface fronts southeast through midnight CT. Until then the NAM solution is representative to the ongoing line of showers and thunderstorms that formed across the northwest sandhills. This convection will continue to move northeast while developing eastward this evening with the chance for thunderstorms winding down by midnight CT. Isolated severe threat if cells can sustain for a wind threat this evening. Otherwise, pea size hail and moderate rainfall likely as greater threat for severe storms in southeast Neb tonight. Tonight the upper ridge builds east for a decrease in clouds and drier overnight with low temperatures dropping into the 50s with a few temperatures around 60 in the far northeast by daybreak. Wednesday the upper ridge builds east to the High Plains where an embedded shortwave is forecast to track out of northeast Colorado by evening for additional rainfall across southwest Nebraska overnight. The best chance for thunderstorms will be to the south of Highway 92. Temperatures Wednesday trends upwards into the 80s. .LONG TERM...(Wednesday night through Tuesday) Issued at 203 PM CDT Tue May 29 2018 Wednesday night a low threat exists for overnight convection across the southwest, otherwise dry and warmer through Thursday as the upper ridge builds east for more seasonal temperatures. Friday through Tuesday model difference exist with low confidence in areal coverage for thunderstorms as a progressive pattern develops Friday into the weekend. Temperatures trend up and peak on Friday where temperatures reach back into the lower to mid 90s then drop back into the 80s Saturday through Tuesday. Then low temperatures in the 50s to around 60 for the period. && .AVIATION...(For the 18Z TAFS through 18Z Wednesday afternoon) Issued at 1233 PM CDT Tue May 29 2018 Thunderstorm chances increase this afternoon and evening across north central and southwest Nebraska including KVTN and KLBF. Rain and thunderstorm chances diminish after midnight CT. && .LBF WATCHES/WARNINGS/ADVISORIES... None. && SHORT TERM...Keck LONG TERM...Keck AVIATION...Gomez
Hazardous weather outlook, May 29, 3:01 PM MDT, 1 hour before
Hazardous Weather Outlook National Weather Service North Platte NE 401 PM CDT Tue May 29 2018 NEZ004>010-022>029-035>038-056>059-069>071-094-302115- 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- 401 PM CDT Tue May 29 2018 /301 PM MDT Tue May 29 2018/ This Hazardous Weather Outlook is for portions of western and north central Nebraska. .DAY ONE...TONIGHT. A marginal risk for severe thunderstorms remains through midnight CT, where thunderstorms that develop south of a line from Crescent Lake National Wildlife Refuge Area to Arthur, Oconto, Comstock and Ewing may briefly intensify and capable of hail and strong winds. Otherwise the line of thunderstorms over western Nebraska will move east and exit the area around midnight CT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. Friday the severe threat returns where a progressive pattern may bring severe thunderstorm development into the north central by afternoon into the evening. Later forecasts will refine timing and placement. .SPOTTER INFORMATION STATEMENT... Spotter activation will probably not be needed tonight. && Get your weather, hydrological, and climate information at http://www.weather.gov/northplatte
In the hours before
Local storm report, May 29, 11:34 AM MDT, 4 hours 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1234 PM CDT TUE MAY 29 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0430 PM TSTM WND DMG 9 SSW GRANT 40.72N 101.79W
05/27/2018 PERKINS NE TRAINED SPOTTER
SEVERAL IRRIGATION PIVOTS OVERTURNED 1/2 MILE NORTH OF
THE INTERSECTION OF ROADS 324 AND 751 ON EAST SIDE OF
ROAD. DELAYED REPORT TIME ESTIMATED FROM RADAR DATA.
&&
TKECKSpecial weather statement, May 29, 1:51 PM MDT, 2 hours 10 minutes before
Special Weather Statement
National Weather Service North Platte NE
151 PM MDT TUE MAY 29 2018
NEZ022-035-056-057-292030-
Deuel NE-Arthur NE-Garden NE-Keith NE-
151 PM MDT TUE MAY 29 2018
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN ARTHUR...
NORTHWESTERN KEITH...SOUTHEASTERN GARDEN AND DEUEL COUNTIES UNTIL 230
PM MDT...
At 150 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 15 miles east of Crescent Lake National
Wildlife Refuge to 7 miles north of Lewellen to near Lodgepole.
Movement was southeast at 15 mph.
Dime size hail and wind gusts up to 50 mph will be possible with
these storms.
Locations impacted include...
Chappell, Oshkosh, Lewellen, Eagle Gulch Campground, Ruthon, Clear
Creek State Wildlife Management Area, Rackett, Intersection of
Highway 27 and 9 Mile Road, Otter Creek Campground, Ash Hollow State
Historical Park, Belmar, Mount Vernon, Bourquim Hill, Bluewater
Battlefield State Historical Park and Windlass Hill.
This includes the following highways...
Highway 92 between mile markers 115 and 127.
Interstate 80 in Nebraska between mile markers 78 and 100.
LAT...LON 4123 10261 4147 10226 4176 10218 4160 10179
4125 10190 4100 10224 4101 10249 4112 10262
TIME...MOT...LOC 1950Z 309DEG 12KT 4165 10213 4143 10220 4119 10254
CDCSpecial weather statement, May 29, 2:29 PM MDT, 1 hour 32 minutes before
Special Weather Statement National Weather Service North Platte NE 229 PM MDT TUE MAY 29 2018 NEZ022-035-056-057-292115- Deuel NE-Arthur NE-Garden NE-Keith NE- 229 PM MDT TUE MAY 29 2018 ...SIGNIFICANT WEATHER ADVISORY FOR ARTHUR...NORTHWESTERN KEITH... SOUTHEASTERN GARDEN AND NORTHEASTERN DEUEL COUNTIES UNTIL 315 PM MDT... At 228 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 15 miles west of Arthur to 8 miles west of Lemoyne. Movement was east at 20 mph. Dime size hail and wind gusts up to 50 mph will be possible with these storms. Locations impacted include... Arthur, Lemoyne, Eagle Gulch Campground, Ruthon, Haythorn Lake, Clear Creek State Wildlife Management Area, Sand Puddin Lake, McKeag, Otter Creek Campground, Lake View Campground, Jensen Lake, Belmar, Bourquim Hill and Velma. This includes the following highways... Highway 61 between mile markers 99 and 135. Highway 92 between mile markers 119 and 170. PRECAUTIONARY/PREPAREDNESS ACTIONS... If on or near Lake McConaughy get out of the water and move indoors or inside a vehicle. Remember, lightning can strike out to 10 miles from the parent thunderstorm. If you can hear thunder, you are close enough to be struck by lightning. Move to safe shelter now! Do not be caught on the water in a thunderstorm. && LAT...LON 4174 10158 4128 10154 4117 10206 4164 10206 TIME...MOT...LOC 2028Z 250DEG 16KT 4164 10197 4127 10197 CDC
Special weather statement, May 29, 3:09 PM MDT, 52 minutes before
Special Weather Statement
National Weather Service North Platte NE
409 PM CDT TUE MAY 29 2018
NEZ035-036-057-059-292200-
Arthur NE-McPherson NE-Lincoln NE-Keith NE-
409 PM CDT TUE MAY 29 2018
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN ARTHUR...CENTRAL
KEITH...NORTHWESTERN LINCOLN AND SOUTHWESTERN MCPHERSON COUNTIES
UNTIL 500 PM CDT/400 PM MDT/...
At 409 PM CDT/309 PM MDT/, Doppler radar was tracking strong
thunderstorms along a line extending from 13 miles north of Keystone
to near Ogallala. Movement was northeast at 20 mph.
Dime size hail and wind gusts up to 50 mph will be possible with
these storms.
Locations impacted include...
Ogallala, Brule, Keystone, Roscoe, Kingsley Dam, Big Bald Hill,
Diamond Bar Lake, Nevens, Broganville and Schnick Lake.
This includes the following highways...
Highway 61 between mile markers 82 and 103.
Highway 92 between mile markers 134 and 138, and between mile
markers 186 and 194.
Interstate 80 in Nebraska between mile markers 117 and 138.
LAT...LON 4120 10190 4148 10145 4166 10107 4140 10122
4139 10127 4131 10127 4105 10155 4105 10191
TIME...MOT...LOC 2109Z 242DEG 19KT 4140 10152 4116 10177
CDCSpecial weather statement, May 29, 3:20 PM MDT, 41 minutes before
Special Weather Statement National Weather Service North Platte NE 420 PM CDT TUE MAY 29 2018 NEZ024-025-035-036-292200- Hooker NE-Arthur NE-McPherson NE-Thomas NE- 420 PM CDT TUE MAY 29 2018 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN ARTHUR...CENTRAL HOOKER...NORTHWESTERN MCPHERSON AND NORTHWESTERN THOMAS COUNTIES UNTIL 500 PM CDT/400 PM MDT/... At 420 PM CDT/320 PM MDT/, Doppler radar was tracking strong thunderstorms along a line extending from 7 miles southwest of Mullen to 18 miles east of Arthur. Movement was northeast at 20 mph. Dime size hail and winds in excess of 40 mph will be possible with these storms. Locations impacted include... Mullen, Flatts, Big Lamunyon Flats, Highway 97 crossing the Dismal River and Kelso. This includes the following highways... Highway 2 between mile markers 180 and 195. Highway 92 between mile markers 181 and 186. Highway 97 between mile markers 49 and 69. LAT...LON 4207 10082 4166 10107 4148 10144 4208 10112 TIME...MOT...LOC 2120Z 233DEG 27KT 4197 10115 4161 10134 CDC
Local storm report, May 29, 3:49 PM MDT, 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
449 PM CDT TUE MAY 29 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0435 PM HAIL 2 SW OGALLALA 41.11N 101.75W
05/29/2018 E1.00 INCH KEITH NE PUBLIC
&&
THORNEThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 6:16 PM MDT | Special Weather Statement | LBF | Chase | 44 min |
| May 28, 6:55 PM MDT | Special Weather Statement | LBF | Perkins | 50 min |
| May 28, 7:09 PM MDT | Special Weather Statement | LBF | Chase | 51 min |
| May 28, 7:11 PM MDT | Special Weather Statement | LBF | Deuel | 49 min |
| May 28, 7:44 PM MDT | Severe Thunderstorm Warning | LBF | Chase, Perkins | 41 min |
| May 28, 7:50 PM MDT | Special Weather Statement | LBF | Frontier, Hayes, Lincoln, Logan, McPherson | 25 min |
| May 28, 8:10 PM MDT | Special Weather Statement | LBF | Garden, Keith | 50 min |
| May 28, 8:26 PM MDT | Special Weather Statement | LBF | Hayes | 49 min |
| May 29, 1:51 PM MDT | Special Weather Statement | LBF | Deuel | 39 min |
| May 29, 2:29 PM MDT | Special Weather Statement | LBF | Arthur | 46 min |
| May 29, 3:09 PM MDT | Special Weather Statement | LBF | Keith | 51 min |
| May 29, 3:20 PM MDT | Special Weather Statement | LBF | Hooker, McPherson | 40 min |
| May 29, 3:27 PM MDT | Severe Thunderstorm Warning | LBF | Keith | 48 min |
| May 29, 4:05 PM MDT | Special Weather Statement | LBF | McPherson | 40 min |
| May 29, 4:15 PM MDT | Severe Thunderstorm Warning | LBF | Chase, Perkins | 45 min |
| May 29, 4:30 PM MDT | Severe Thunderstorm Warning | LBF | Chase | 45 min |
| May 29, 4:35 PM MDT | Special Weather Statement | LBF | Lincoln | 40 min |
| May 29, 4:49 PM MDT | Special Weather Statement | LBF | Perkins | 41 min |
| May 29, 5:06 PM MDT | Special Weather Statement | LBF | Perkins | 39 min |
| May 29, 5:21 PM MDT | Special Weather Statement | LBF | Lincoln | 39 min |
| May 29, 5:32 PM MDT | Special Weather Statement | LBF | Hayes | 43 min |
| May 29, 5:46 PM MDT | Special Weather Statement | LBF | Chase | 44 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2018Every severe thunderstorm warning in 2018
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.