Alert archive / Nebraska / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 157, NWS Hastings, NE
NWS Hastings, NE issued this severe thunderstorm warning at Jul 2, 2017, 8:40 PM CDT for Dawson County, Nebraska. It was in force for 50 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 2, 2017, 8:40 PM CDT (01:40 UTC)
- Expired
- Jul 2, 2017, 9:30 PM CDT
- In force
- 50 min
- Issued by
- NWS Hastings, NE
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
County Dawson County, NE
The radar
The Grand Island radar (KUEX), 131 km from the middle of the area, began a volume at 01:40 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 2, 5:58 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.7 hours before the alert went out and 72 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
- 1751 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 2397 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 7.5
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 Hastings, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 2, 6:06 PM CDT, 2 hours 34 minutes earlier.
Area forecast discussion, Jul 2, 6:06 PM CDT, 2 hours 34 minutes before
Area Forecast Discussion National Weather Service Hastings NE 606 PM CDT Sun Jul 2 2017 .SHORT TERM...(This evening through Monday) Issued at 323 PM CDT Sun Jul 2 2017 A few showers and thunderstorms continue to develop across the northeast part of the forecast area this afternoon. Otherwise, there are mostly clear skies across the area and temperatures are warming up. In the area where the clouds and thunderstorms have been, it has been a little cooler. The main concern will be thunderstorm development. There is an upper level wave that will be moving into the area and a surface boundary across the northern part of Nebraska. Models have some differences in where and how much precipitation there will be. The morning convection also could have some impact on thunderstorms tonight. Expect the thunderstorms to continue across the northern part of the forecast area as thunderstorms develop along the boundary to the north and move into the area during the late afternoon and evening. The boundary sags to the south during the night and as another upper level wave moves into the area, there could be some more development to the west of the forecast area and those could move into the area during the overnight hours. With all the differences in the models, the confidence is a little shaky. There could be a few lingering thunderstorms in the morning, but otherwise expect mainly dry conditions. The upper level wave will continue to move through the area and during the afternoon a few thunderstorms could develop. The models continue to have some differences for this time frame and there is some uncertainty. .LONG TERM...(Monday night through Sunday) Issued at 323 PM CDT Sun Jul 2 2017 The models are a little more consistent for the Monday night time frame. The NAM is dry, but the GFS and ECMWF both have precipitation across the area. This looks to be the best time frame for precipitation, especially during the evening. Precipitation should linger into the overnight hours. Tuesday into Tuesday night there continues to be a couple of upper level waves that move through the area with on and off chances for thunderstorms. The upper level ridge builds just to the west and moves into the area Wednesday through Thursday. This will be a dry period with warm temperatures. Thursday night through Sunday there are a few waves that come over the ridge. With each wave, there is a chance for some thunderstorms to develop somewhere across the forecast area. These are small chances for only parts of the forecast area and expect mainly hit and miss showers and thunderstorms. && .AVIATION...(For the 00Z KGRI/KEAR TAFS through 00Z Monday) Issued at 604 PM CDT Sun Jul 2 2017 The main concern for the TAF period is thunderstorm chances the next 24 hours. Latest radar trends and short term models keep the brunt of the convection generally west of Highway 281 this evening into tonight and activity may remain west of KEAR, however do have a mention of VCTS for KEAR for much of the evening in closer proximity to the convection and will monitor trends. A shortwave trough translating across the Central Plains will bring continued chances for showers and thunderstorms into Monday. && .GID WATCHES/WARNINGS/ADVISORIES... NE...None. KS...None. && SHORT TERM...JCB LONG TERM...JCB AVIATION...Fay
Hazardous weather outlook, Jul 2, 5:26 PM CDT, 3 hours 14 minutes before
Hazardous Weather Outlook...UPDATED National Weather Service Hastings NE 526 PM CDT Sun Jul 2 2017 KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087- 031200- Phillips-Smith-Jewell-Rooks-Osborne-Mitchell-Valley-Greeley-Nance- Sherman-Howard-Merrick-Polk-Dawson-Buffalo-Hall-Hamilton-York- Gosper-Phelps-Kearney-Adams-Clay-Fillmore-Furnas-Harlan-Franklin- Webster-Nuckolls-Thayer- 526 PM CDT Sun Jul 2 2017 This Hazardous Weather Outlook is for south central Nebraska and portions of north central Kansas. .DAY ONE...Tonight. Showers and thunderstorms will continue this evening and into the overnight hours. Severe storms are possible which may produce hail to the size of golf balls and damaging winds of 60 to 70 mph. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Spotty thunderstorms will be possible at various times and locations Monday and Tuesday, with the best chance Monday night. Some storms Monday night could be severe with the main threat locally damaging winds. Intermittent thunderstorms are possible Thursday night through Saturday. While strong or severe storms cannot be ruled out...it is too early to identify any specific organized threats. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed this evening and into tonight. && More information may be obtained at the following web page: https://www.weather.gov/hastings
In the hours before
Local storm report, Jul 2, 4:32 PM CDT, 4 hours 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
432 PM CDT SUN JUL 2 2017
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0420 PM HAIL 5 ENE ORD 41.63N 98.84W
07/02/2017 M1.00 INCH VALLEY NE PUBLIC
REPORTED VIA TWITTER.
&&
REEDSpecial weather statement, Jul 2, 4:36 PM CDT, 4 hours 4 minutes before
Special Weather Statement National Weather Service Hastings NE 436 PM CDT SUN JUL 2 2017 NEZ039-022200- Valley NE- 436 PM CDT SUN JUL 2 2017 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN VALLEY COUNTY UNTIL 500 PM CDT... At 436 PM CDT, Doppler radar was tracking a strong thunderstorm near Burwell, moving southeast at 10 mph. Penny size hail and winds in excess of 40 mph will be possible with this storm. Locations impacted include... Elyria and Fort Hartsuff State Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. && LAT...LON 4174 9896 4165 9893 4164 9918 4174 9921 TIME...MOT...LOC 2136Z 336DEG 7KT 4172 9911 Fay
Local storm report, Jul 2, 5:14 PM CDT, 3 hours 26 minutes before
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</html>The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 7:44 PM CDT | Special Weather Statement | GID | Dawson | 46 min |
| Jul 2, 8:07 PM CDT | Severe Thunderstorm Warning | GID | Dawson | 38 min |
| Jul 2, 9:05 PM CDT | Special Weather Statement | GID | Gosper | 25 min |
| Jul 2, 9:09 PM CDT | Severe Thunderstorm Warning | GID | Furnas, Gosper | 51 min |
| Jul 2, 9:15 PM CDT | Special Weather Statement | GID | Buffalo | 30 min |
| Jul 2, 9:28 PM CDT | Special Weather Statement | GID | Phelps | 47 min |
| Jul 2, 9:37 PM CDT | Areal Flood Advisory | GID | Dawson | 3 hr |
| Jul 2, 9:53 PM CDT | Severe Thunderstorm Warning | GID | Furnas, Gosper | 52 min |
| Jul 2, 10:14 PM CDT | Severe Thunderstorm Warning | GID | Harlan, Phelps | 46 min |
| Jul 2, 10:17 PM CDT | Areal Flood Advisory | GID | Furnas | 3 hr |
| Jul 2, 11:16 PM CDT | Special Weather Statement | GID | Furnas, Harlan | 44 min |
| Jul 2, 11:35 PM CDT | Severe Thunderstorm Warning | GID | Franklin, Harlan | 40 min |
| Jul 2, 11:53 PM CDT | Special Weather Statement | GID | Kearney | 37 min |
| Jul 3, 12:22 AM CDT | Special Weather Statement | GID | Adams | 23 min |
| Jul 3, 12:34 AM CDT | Severe Thunderstorm Warning | GID | Adams, Webster | 41 min |
| Jul 2, 10:58 PM CDT | Special Weather Statement | GID | Phillips, Rooks | 47 min |
| Jul 2, 11:04 PM CDT | Severe Thunderstorm Warning | GID | Phillips, Rooks | 41 min |
| Jul 2, 11:32 PM CDT | Areal Flood Advisory | GID | Phillips | 3 hr |
| Jul 2, 11:44 PM CDT | Severe Thunderstorm Warning | GID | Phillips, Rooks | 32 min |
| Jul 3, 12:14 AM CDT | Severe Thunderstorm Warning | GID | Jewell, Osborne, Phillips, Rooks, Smith | 46 min |
| Jul 3, 12:48 AM CDT | Special Weather Statement | GID | Jewell, Mitchell | 57 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2017Every severe thunderstorm warning 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.