Alert archive / Nebraska / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 326, NWS Hastings, NE

August 29, 2014Adams County, Clay County, Hall County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Aug 29, 2014, 4:01 PM CDT for Adams County, Clay County, Hall County, Nebraska. It was in force for 29 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: Aug 29, 2014, 4:01 PM CDT (21:01 UTC)
Expired: Aug 29, 2014, 4:30 PM CDT
In force: 29 min
Issued by: NWS Hastings, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Adams County, NE, Clay County, NE, Hall County, NE

The radar

The Grand Island radar (KUEX), 36 km from the middle of the area, began a volume at 21:01 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, 9.0 hours before the alert went out and 183 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: 427 J/kg
Mixed-layer CIN: -139 J/kg
Mixed-layer LCL: 1014 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 13 m²/s²
0-3 km storm-relative helicity: 7 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 Aug 29, 3:20 PM CDT, 41 minutes earlier.

Area forecast discussion, Aug 29, 3:20 PM CDT, 41 minutes before

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Hazardous weather outlook, Aug 29, 3:31 PM CDT, 30 minutes before

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In the hours before

Local storm report, Aug 29, 10:15 AM CDT, 5 hours 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
1015 AM CDT FRI AUG 29 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1010 AM     FLOOD            2 W OSCEOLA             41.18N 97.59W
08/29/2014                   POLK               NE   LAW ENFORCEMENT

            WATER COVERING HIGHWAY 81/92 BETWEEN M ROAD AND N ROAD

&&

DOXEY

Local storm report, Aug 29, 10:42 AM CDT, 5 hours 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
1042 AM CDT FRI AUG 29 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1040 AM     HEAVY RAIN       OSCEOLA                 41.18N 97.55W
08/29/2014  M2.86 INCH       POLK               NE   CO-OP OBSERVER

            RAINFALL SINCE 7 AM. HAS LET UP IN INTENSITY.

&&

DOXEY

Special weather statement, Aug 29, 3:44 PM CDT, 17 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 29, 9:39 AM CDT	Areal Flood Advisory	GID	Polk, York	3 hr
Aug 29, 10:55 AM CDT	Flash Flood Warning	GID	Polk	3 hr
Aug 29, 3:22 PM CDT	Severe Thunderstorm Warning	GID	Hall, Howard, Merrick	23 min
Aug 29, 3:44 PM CDT	Special Weather Statement	GID	Hall	31 min
Aug 29, 4:32 PM CDT	Special Weather Statement	GID	Adams	28 min
Aug 28, 7:01 PM CDT	Special Weather Statement	GID	Smith	29 min
Aug 28, 7:54 PM CDT	Areal Flood Advisory	GID	Osborne, Smith	4 hr

Nearby

Severe Thunderstorm Warnings in Nebraska, 2014 Every severe thunderstorm warning in 2014

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.