Alert archive / Nebraska / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 173, NWS Hastings, NE
NWS Hastings, NE issued this severe thunderstorm warning at Jul 17, 2015, 6:51 PM CDT for Valley County, Nebraska. It was in force for 23 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 17, 2015, 6:51 PM CDT (23:51 UTC)
- Expired
- Jul 17, 2015, 7:14 PM CDT
- In force
- 23 min
- Issued by
- NWS Hastings, NE
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 60.0 mph
County Valley County, NE
The radar
The North Platte radar (KLNX), 139 km from the middle of the area, began a volume at 23:52 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 17, 4:03 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.9 hours before the alert went out and 144 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
- 315 J/kg
- Mixed-layer CIN
- -418 J/kg
- Mixed-layer LCL
- 2490 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 26 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 Hastings, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 17, 3:48 PM CDT, 3 hours 3 minutes earlier.
Area forecast discussion, Jul 17, 3:48 PM CDT, 3 hours 3 minutes before
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</html>Hazardous weather outlook, Jul 17, 3:43 PM CDT, 3 hours 8 minutes before
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Local storm report, Jul 17, 1:08 PM CDT, 5 hours 43 minutes before
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</html>Local storm report, Jul 17, 1:09 PM CDT, 5 hours 42 minutes before
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</html>Special weather statement, Jul 17, 6:04 PM CDT, 47 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HASTINGS NE 604 PM CDT FRI JUL 17 2015 NEZ060-172345- DAWSON NE- 604 PM CDT FRI JUL 17 2015 ...SIGNIFICANT WEATHER ADVISORY FOR EXTREME NORTHWESTERN DAWSON COUNTY UNTIL 645 PM CDT... AT 603 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A STRONG THUNDERSTORM NEAR VROMAN...OR 28 MILES SOUTH OF ARNOLD...MOVING NORTHEAST AT 20 MPH. NICKEL SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM. THIS STORM WILL REMAIN OVER RURAL PORTIONS OF EXTREME NORTHWESTERN DAWSON COUNTY. THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT FOR SOUTH CENTRAL NEBRASKA. LAT...LON 4105 10022 4105 9995 4090 10023 TIME...MOT...LOC 2303Z 247DEG 17KT 4101 10023 HALBLAUB
Special weather statement, Jul 17, 6:44 PM CDT, 7 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HASTINGS NE 644 PM CDT FRI JUL 17 2015 NEZ039-180000- VALLEY NE- 644 PM CDT FRI JUL 17 2015 ...SEVERE THUNDERSTORM THREATENING VALLEY COUNTY... AT 642 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM OVER NORTHEASTERN CUSTER COUNTY... NEAR WESCOTT...OR 15 MILES SOUTH OF TAYLOR...MOVING NORTHEAST AT 20 MPH. PEOPLE OVER WESTERN AND NORTHERN PORTIONS OF VALLEY COUNTY SHOULD BE PREPARED TO TAKE ACTION IF THREATENING WEATHER APPROACHES. THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT FOR CENTRAL NEBRASKA. LAT...LON 4174 9875 4157 9875 4146 9921 4174 9921 TIME...MOT...LOC 2342Z 233DEG 17KT 4154 9935 HALBLAUB
The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 2:22 PM CDT | Heat Advisory | GID | Adams, Buffalo, Clay, Fillmore, Hall, Hamilton and 5 more | 6 hr |
| Jul 17, 6:04 PM CDT | Special Weather Statement | GID | Dawson | 41 min |
| Jul 17, 6:44 PM CDT | Special Weather Statement | GID | Valley | 16 min |
| Jul 17, 6:55 PM CDT | Special Weather Statement | GID | Osborne | 35 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2015Every severe thunderstorm warning in 2015
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.