Alert archive / Nebraska / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 110, NWS Hastings, NE

June 24, 20095 counties in Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jun 24, 2009, 8:56 PM CDT for 5 counties in Nebraska. It was in force for 34 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 24, 2009, 8:56 PM CDT (01:56 UTC)
Expired: Jun 24, 2009, 9:30 PM CDT
In force: 34 min
Issued by: NWS Hastings, NE
Area: Storm-based polygon

Counties Adams County, NE, Clay County, NE, Hall County, NE, Hamilton County, NE, Merrick County, NE

The radar

The Grand Island radar (KUEX), 56 km from the middle of the area, began a volume at 01:58 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 00:00Z, 1.9 hours before the alert went out and 166 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: 1702 J/kg
Mixed-layer CIN: -71 J/kg
Mixed-layer LCL: 1253 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 90 m²/s²
0-3 km storm-relative helicity: 251 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 11.1

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 24, 6:20 PM CDT, 2 hours 36 minutes earlier.

Area forecast discussion, Jun 24, 6:20 PM CDT, 2 hours 36 minutes before

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Hazardous weather outlook, Jun 24, 3:24 PM CDT, 5 hours 32 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HASTINGS NE
324 PM CDT WED JUN 24 2009

KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-
251200-
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-
324 PM CDT WED JUN 24 2009

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG A STATIONARY FRONT
ACROSS SOUTHERN NEBRASKA. SOME OF THE STORMS MAY BECOME SEVERE
THIS AFTERNOON AND EVENING PRODUCING QUARTER SIZE HAIL...DAMAGING
WINDS TO 60 MPH AND LOCALLY HEAVY RAINFALL IN EXCESS OF TWO
INCHES. ISOLATED TORNADOES ARE POSSIBLE IN THE VICINITY OF THE
BOUNDARY.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

THUNDERSTORM CHANCES CONTINUE FRIDAY THROUGH TUESDAY ACROSS THE
OUTLOOK AREA. HIGH TEMPERATURES ON THURSDAY AND FRIDAY ARE EXPECTED
TO REACH THE 90S BOTH DAYS AND HEAT INDICES MAY AGAIN REACH 100 TO
105 DEGREES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.

&&

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

In the hours before

Special weather statement, Jun 24, 5:07 PM CDT, 3 hours 49 minutes before

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Special weather statement, Jun 24, 5:46 PM CDT, 3 hours 10 minutes before

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Local storm report, Jun 24, 5:49 PM CDT, 3 hours 7 minutes before

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Special weather statement, Jun 24, 6:17 PM CDT, 2 hours 39 minutes before

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Special weather statement, Jun 24, 6:26 PM CDT, 2 hours 30 minutes before

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Special weather statement, Jun 24, 6:55 PM CDT, 2 hours 1 minute 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
Jun 24, 7:03 PM CDT	Special Weather Statement	GID	Harlan	42 min
Jun 24, 7:11 PM CDT	Severe Thunderstorm Warning	GID	Gosper, Phelps	49 min
Jun 24, 7:30 PM CDT	Special Weather Statement	GID	Franklin	45 min
Jun 24, 7:57 PM CDT	Special Weather Statement	GID	Phelps	33 min
Jun 24, 7:59 PM CDT	Special Weather Statement	GID	Kearney	31 min
Jun 24, 8:10 PM CDT	Special Weather Statement	GID	Buffalo, Kearney	35 min
Jun 24, 8:29 PM CDT	Severe Thunderstorm Warning	GID	Adams, Buffalo, Hall, Kearney	61 min
Jun 24, 9:27 PM CDT	Severe Thunderstorm Warning	GID	Clay, Fillmore, Hamilton, Merrick, Polk, York	23 min
Jun 25, 4:38 PM CDT	Special Weather Statement	GID	Smith	37 min
Jun 25, 5:42 PM CDT	Special Weather Statement	GID	Osborne	33 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.