Alert archive / Nebraska / Special Weather Statements in 2017

Special Weather Statement, NWS Hastings, NE

July 17, 2017Dawson County, Nebraska

NWS Hastings, NE issued this special weather statement at Jul 17, 2017, 4:13 PM CDT for Dawson County, Nebraska. It was in force for 32 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 17, 2017, 4:13 PM CDT (21:13 UTC)
Expired: Jul 17, 2017, 4:45 PM CDT
In force: 32 min
Issued by: NWS Hastings, NE

County Dawson County, NE

The radar

The North Platte radar (KLNX), 126 km from the middle of the area, began a volume at 21:17 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 12:00Z, 9.2 hours before the alert went out and 56 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 180 J/kg
Mixed-layer CIN: -134 J/kg
Mixed-layer LCL: 1585 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: -21 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Hastings, NE wrote its last area forecast discussion before this special weather statement went out at Jul 17, 1:06 PM CDT, 3 hours 7 minutes earlier.

Area forecast discussion, Jul 17, 1:06 PM CDT, 3 hours 7 minutes before

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Hazardous weather outlook, Jul 17, 3:42 PM CDT, 31 minutes before

Hazardous Weather Outlook
National Weather Service Hastings NE
342 PM CDT Mon Jul 17 2017

KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-
181200-
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-
342 PM CDT Mon Jul 17 2017

This Hazardous Weather Outlook is for south central Nebraska and
portions of north central Kansas.

.DAY ONE...This Afternoon and Tonight.

There is a marginal risk for isolated strong to severe
thunderstorms this afternoon and tonight with hail up to the size
of quarters and winds of 50 to 60 mph possible. Localized
flooding is also possible with any slow moving storms containing
heavy rain.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Scattered thunderstorms are expected to develop Tuesday evening
into the overnight. A few of these storms could be strong to
severe with hail to the size of quarters and 50 to 60 mph wind
gusts.

Heat index values will climb to between 100 and 108 degrees each
afternoon Tuesday through Friday. See heat headlines for
additional details.

Chances for thunderstorms return to the area late Friday evening
through Sunday.

.SPOTTER INFORMATION STATEMENT...

There is a very small chance of spotter activation for this
afternoon and tonight, but in most areas, spotter activation will
not be needed.

&&

More information may be obtained at the following web page:
   https://www.weather.gov/hastings

Petr

In the hours before

Special weather statement, Jul 17, 3:14 PM CDT, 59 minutes before

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Special weather statement, Jul 17, 3:45 PM CDT, 28 minutes before

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Special weather statement, Jul 17, 3:57 PM CDT, 16 minutes before

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Special weather statement, Jul 17, 4:04 PM CDT, 9 minutes before

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Special weather statement, Jul 17, 4:06 PM CDT, 7 minutes before

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Special weather statement, Jul 17, 4:13 PM CDT, 0 minutes before

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The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 17, 3:14 PM CDT	Special Weather Statement	GID	Dawson	31 min
Jul 17, 3:24 PM CDT	Excessive Heat Watch	GID	Adams, Buffalo, Clay, Dawson, Fillmore, Franklin and 18 more	24 hr
Jul 17, 3:24 PM CDT	Heat Advisory	GID	Adams, Buffalo, Clay, Dawson, Fillmore, Franklin and 18 more	29 hr
Jul 17, 3:45 PM CDT	Special Weather Statement	GID	Dawson	30 min
Jul 17, 3:57 PM CDT	Special Weather Statement	GID	Gosper	33 min
Jul 17, 4:04 PM CDT	Special Weather Statement	GID	Furnas	26 min
Jul 17, 4:06 PM CDT	Special Weather Statement	GID	Harlan	24 min
Jul 17, 4:34 PM CDT	Areal Flood Advisory	GID	Dawson	3 hr
Jul 17, 4:39 PM CDT	Special Weather Statement	GID	Kearney	36 min
Jul 17, 4:42 PM CDT	Special Weather Statement	GID	Dawson	33 min
Jul 17, 4:46 PM CDT	Special Weather Statement	GID	Valley	29 min
Jul 17, 4:52 PM CDT	Special Weather Statement	GID	Dawson	38 min
Jul 17, 5:25 PM CDT	Flash Flood Warning	GID	Dawson, Gosper	3 hr
Jul 17, 5:31 PM CDT	Special Weather Statement	GID	Harlan	44 min
Jul 17, 5:37 PM CDT	Special Weather Statement	GID	Buffalo, Kearney	23 min
Jul 17, 5:46 PM CDT	Special Weather Statement	GID	Harlan	29 min
Jul 17, 5:51 PM CDT	Special Weather Statement	GID	Gosper	24 min
Jul 17, 5:54 PM CDT	Special Weather Statement	GID	Furnas	36 min
Jul 17, 6:05 PM CDT	Special Weather Statement	GID	Kearney	25 min
Jul 17, 6:41 PM CDT	Areal Flood Advisory	GID	Furnas, Gosper	3 hr
Jul 17, 6:28 PM CDT	Special Weather Statement	GID	Smith	32 min
Jul 17, 6:44 PM CDT	Special Weather Statement	GID	Phillips	31 min

Nearby

Special Weather Statements in Nebraska, 2017 Every 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.