Alert archive / Nebraska / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 245, NWS Hastings, NE

September 1, 2013Phelps County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Sep 1, 2013, 12:10 AM CDT for Phelps County, Nebraska. It was in force for 35 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: Sep 1, 2013, 12:10 AM CDT (05:10 UTC)
Expired: Sep 1, 2013, 12:45 AM CDT
In force: 35 min
Issued by: NWS Hastings, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Phelps County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 5.2 hours before the alert went out and 121 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: 1826 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 2329 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 111 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.3

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 Aug 31, 6:40 PM CDT, 5 hours 30 minutes earlier.

Area forecast discussion, Aug 31, 6:40 PM CDT, 5 hours 30 minutes before

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Hazardous weather outlook, Aug 31, 7:04 PM CDT, 5 hours 6 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE HASTINGS NE
704 PM CDT SAT AUG 31 2013

KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-
011200-
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-
704 PM CDT SAT AUG 31 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL NEBRASKA AND
PORTIONS OF NORTH CENTRAL KANSAS.

.DAY ONE...TONIGHT.

SCATTERED THUNDERSTORMS ARE POSSIBLE TONIGHT...AND A FEW OF THESE
THUNDERSTORMS MAY BECOME SEVERE. THE PRIMARY HAZARDS FROM THE
STORMS WILL BE QUARTER SIZE HAIL AND WIND GUSTS NEAR 60 MPH.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

THUNDERSTORMS ARE POSSIBLE WEDNESDAY NIGHT ACROSS PORTIONS OF SOUTH
CENTRAL NEBRASKA...PRIMARILY NORTH OF INTERSTATE 80.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TONIGHT.

&&

MORE INFORMATION MAY BE OBTAINED AT THE FOLLOWING WEB PAGE:
   HTTP://WWW.WEATHER.GOV/HASTINGS  (ALL LOWERCASE)

In the hours before

Special weather statement, Aug 31, 10:57 PM CDT, 1 hour 13 minutes before

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Special weather statement, Aug 31, 11:26 PM CDT, 44 minutes before

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Special weather statement, Aug 31, 11:59 PM CDT, 11 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
Aug 31, 10:57 PM CDT	Special Weather Statement	GID	Buffalo	48 min
Aug 31, 11:26 PM CDT	Special Weather Statement	GID	Gosper	34 min
Aug 31, 11:59 PM CDT	Special Weather Statement	GID	Gosper	31 min
Sep 1, 12:40 AM CDT	Special Weather Statement	GID	Franklin, Kearney	20 min
Sep 1, 1:01 AM CDT	Special Weather Statement	GID	Franklin	29 min
Sep 1, 1:30 AM CDT	Special Weather Statement	GID	Franklin	30 min
Sep 1, 2:21 AM CDT	Special Weather Statement	GID	Nuckolls	24 min
Sep 1, 2:45 AM CDT	Special Weather Statement	GID	Nuckolls	45 min
Sep 1, 3:27 AM CDT	Special Weather Statement	GID	Thayer	18 min
Sep 1, 1:41 AM CDT	Special Weather Statement	GID	Smith	34 min
Sep 1, 2:24 AM CDT	Special Weather Statement	GID	Jewell	36 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2013 Every severe thunderstorm warning in 2013

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.