Alert archive / Nebraska / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 78, NWS Hastings, NE

June 17, 2009Thayer County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jun 17, 2009, 12:48 PM CDT for Thayer County, Nebraska. It was in force for 42 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: Jun 17, 2009, 12:48 PM CDT (17:48 UTC)
Expired: Jun 17, 2009, 1:30 PM CDT
In force: 42 min
Issued by: NWS Hastings, NE
Area: Storm-based polygon

County Thayer County, NE

The radar

The Grand Island radar (KUEX), 74 km from the middle of the area, began a volume at 17:52 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 nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 5.8 hours before the alert went out and 164 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: 1476 J/kg
Mixed-layer CIN: -141 J/kg
Mixed-layer LCL: 1342 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 130 m²/s²
0-3 km storm-relative helicity: 146 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

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 Jun 17, 12:40 PM CDT, 8 minutes earlier.

Area forecast discussion, Jun 17, 12:40 PM CDT, 8 minutes before

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Hazardous weather outlook, Jun 17, 5:13 AM CDT, 7 hours 35 minutes before

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In the hours before

Special weather statement, Jun 17, 11:37 AM CDT, 1 hour 11 minutes before

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Special weather statement, Jun 17, 12:01 PM CDT, 47 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
1201 PM CDT WED JUN 17 2009

NEZ086-087-171745-
NUCKOLLS-THAYER-
1201 PM CDT WED JUN 17 2009

...THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY FOR...

  SOUTHEASTERN NUCKOLLS COUNTY IN SOUTH CENTRAL NEBRASKA
  SOUTHEASTERN THAYER COUNTY IN SOUTH CENTRAL NEBRASKA

AT 1158 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A STRONG THUNDERSTORM NEAR BYRON...OR 30 MILES NORTH OF
CONCORDIA...AND MOVING NORTHEAST AT 25 MPH.

* THE THUNDERSTORM WILL BE NEAR...
  RUSKIN BY 1205 PM CDT
  CHESTER BY 1215 PM CDT
  DESHLER BY 1220 PM CDT
  HUBBELL BY 1225 PM CDT
  HEBRON BY 1235 PM CDT

PENNY TO NICKEL SIZE HAIL IS EXPECTED WITH THIS STORM.

BE PREPARED TO TAKE SHELTER IN THE EVENT THESE STORMS INTENSIFY AND
BECOME SEVERE...OR A WARNING IS ISSUED BY THE NATIONAL WEATHER
SERVICE.

LAT...LON 4000 9735 3999 9793 4000 9794 4016 9795
      4030 9736
TIME...MOT...LOC 1659Z 229DEG 22KT 4000 9777

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 12:01 PM CDT	Special Weather Statement	GID	Thayer	44 min
Jun 17, 5:42 PM CDT	Severe Thunderstorm Warning	GID	Buffalo, Sherman	48 min
Jun 17, 6:11 PM CDT	Severe Thunderstorm Warning	GID	Buffalo	49 min
Jun 17, 6:25 PM CDT	Tornado Warning	GID	Buffalo, Sherman	35 min
Jun 17, 6:45 PM CDT	Severe Thunderstorm Warning	GID	Howard, Sherman, Valley	45 min
Jun 17, 6:46 PM CDT	Severe Thunderstorm Warning	GID	Buffalo, Hall, Howard, Sherman	44 min
Jun 17, 6:56 PM CDT	Tornado Warning	GID	Buffalo, Hall	34 min
Jun 17, 11:37 AM CDT	Special Weather Statement	GID	Jewell	38 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2009 Every severe thunderstorm warning in 2009

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.