Alert archive / Nebraska / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 83, NWS Hastings, NE

May 15, 2015Furnas County, Gosper County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at May 15, 2015, 11:56 PM CDT for Furnas County, Gosper County, Nebraska. It was in force for 49 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: May 15, 2015, 11:56 PM CDT (04:56 UTC)
Expired: May 16, 2015, 12:45 AM CDT
In force: 49 min
Issued by: NWS Hastings, NE
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Furnas County, NE, Gosper County, NE

The radar

The Grand Island radar (KUEX), 121 km from the middle of the area, began a volume at 05:00 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.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 4.9 hours before the alert went out and 107 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: 766 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 1526 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 75 m²/s²
0-3 km storm-relative helicity: 283 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 5.9

Open this sounding in Storm Lab

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 May 15, 11:42 PM CDT, 14 minutes earlier.

Area forecast discussion, May 15, 11:42 PM CDT, 14 minutes before

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Hazardous weather outlook, May 15, 10:28 PM CDT, 1 hour 28 minutes before

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In the hours before

Special weather statement, May 15, 7:22 PM CDT, 4 hours 34 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
722 PM CDT FRI MAY 15 2015

KSZ017-160100-
ROOKS KS-
722 PM CDT FRI MAY 15 2015

...SIGNIFICANT WEATHER ADVISORY FOR ROOKS COUNTY UNTIL 800 PM CDT...

AT 722 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 10
MILES SOUTH OF ZURICH...OR 12 MILES NORTH OF YOCEMENTO...MOVING NORTH
AT 25 MPH.

NICKEL SIZE HAIL WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
PLAINVILLE...STOCKTON AND ZURICH.

LAT...LON 3948 9939 3938 9907 3913 9924 3913 9952
TIME...MOT...LOC 0022Z 201DEG 23KT 3908 9942

HEINLEIN

Special weather statement, May 15, 8:21 PM CDT, 3 hours 35 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
821 PM CDT FRI MAY 15 2015

NEZ072-082-160200-
FURNAS NE-GOSPER NE-
821 PM CDT FRI MAY 15 2015

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN GOSPER AND NORTHEASTERN
FURNAS COUNTIES UNTIL 900 PM CDT...

AT 821 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
HENDLEY...OR 25 MILES NORTH OF NORTON...MOVING NORTH AT 25 MPH.

NICKEL SIZE HAIL WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
ARAPAHOE...BEAVER CITY...HOLBROOK AND EDISON.

LAT...LON 4044 10001 4044 9998 4060 9998 4055 9964
      4054 9964 4011 9982 4015 10005
TIME...MOT...LOC 0121Z 191DEG 23KT 4021 9992

HEINLEIN

Special weather statement, May 15, 8:32 PM CDT, 3 hours 24 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
832 PM CDT FRI MAY 15 2015

KSZ005-NEZ082-083-160200-
PHILLIPS KS-HARLAN NE-FURNAS NE-
832 PM CDT FRI MAY 15 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN PHILLIPS...
SOUTHEASTERN FURNAS AND SOUTHWESTERN HARLAN COUNTIES UNTIL 900 PM
CDT...

AT 832 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
LONG ISLAND...OR 18 MILES NORTHWEST OF PHILLIPSBURG...MOVING NORTH AT
25 MPH.

DIME SIZE HAIL WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
ALMA...ORLEANS...STAMFORD...LONG ISLAND AND WOODRUFF.

LAT...LON 4024 9967 4018 9932 3984 9947 3986 9963
      4000 9963 4000 9969
TIME...MOT...LOC 0132Z 191DEG 23KT 3993 9957

HEINLEIN

Special weather statement, May 15, 8:56 PM CDT, 3 hours before

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Local storm report, May 15, 9:28 PM CDT, 2 hours 28 minutes before

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Special weather statement, May 15, 11:46 PM CDT, 10 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
May 15, 8:21 PM CDT	Special Weather Statement	GID	Furnas, Gosper	39 min
May 15, 8:32 PM CDT	Special Weather Statement	GID	Harlan	28 min
May 15, 8:56 PM CDT	Special Weather Statement	GID	Dawson, Gosper	49 min
May 15, 11:46 PM CDT	Special Weather Statement	GID	Furnas	44 min
May 16, 12:18 AM CDT	Special Weather Statement	GID	Greeley	12 min
May 16, 12:32 AM CDT	Special Weather Statement	GID	Furnas	13 min
May 16, 12:40 AM CDT	Special Weather Statement	GID	Dawson, Gosper, Harlan, Phelps	50 min
May 16, 1:41 AM CDT	Special Weather Statement	GID	Harlan	34 min
May 16, 2:29 AM CDT	Special Weather Statement	GID	Franklin, Kearney	31 min
May 16, 3:09 AM CDT	Special Weather Statement	GID	Kearney	36 min
May 16, 3:46 AM CDT	Special Weather Statement	GID	Adams, Webster	29 min
May 16, 6:37 PM CDT	Special Weather Statement	GID	Furnas, Gosper	53 min
May 15, 7:22 PM CDT	Special Weather Statement	GID	Rooks	38 min
May 16, 1:45 AM CDT	Special Weather Statement	GID	Phillips	45 min
May 16, 2:40 AM CDT	Special Weather Statement	GID	Smith	50 min
May 16, 3:37 AM CDT	Special Weather Statement	GID	Osborne	38 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2015 Every 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.