Alert archive / Nebraska / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 116, NWS Omaha, NE

May 21, 2004Boone County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at May 21, 2004, 10:53 PM CDT for Boone County, Nebraska. It was in force for 37 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 21, 2004, 10:53 PM CDT (03:53 UTC)
Expired: May 21, 2004, 11:30 PM CDT
In force: 37 min
Issued by: NWS Omaha, NE
Area: Counties, with a storm outline in the text

County Boone County, NE

The radar

The Omaha radar (KOAX), 148 km from the middle of the area, began a volume at 03:57 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 21, 7:40 PM CDT	Tornado Watch	SPC	5 hr

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.

In the hours before

Local storm report, May 21, 9:29 PM CDT, 1 hour 24 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA NE
929 PM CDT FRI MAY 21 2004

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

0925 PM     HAIL             ST. HELENA              42.81N 97.25W
05/21/2004  0.75 INCH        CEDAR              NE   TRAINED SPOTTER

&&

ADAMS

Local storm report, May 21, 9:35 PM CDT, 1 hour 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA NE
935 PM CDT FRI MAY 21 2004

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

0918 PM     HAIL             1 N ST. HELENA          42.82N 97.25W
05/21/2004  1.25 INCH        CEDAR              NE   PUBLIC

&&

ADAMS

Local storm report, May 21, 9:48 PM CDT, 1 hour 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA NE
948 PM CDT FRI MAY 21 2004

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

0940 PM     HAIL             WAYNE                   42.24N 97.02W
05/21/2004  1.75 INCH        WAYNE              NE   TRAINED SPOTTER

&&

ADAMS

Local storm report, May 21, 10:30 PM CDT, 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA NE
1030 PM CDT FRI MAY 21 2004

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

1027 PM     HAIL             PENDER                  42.11N 96.71W
05/21/2004  1.75 INCH        THURSTON           NE   TRAINED SPOTTER

&&

ADAMS

Local storm report, May 21, 10:44 PM CDT, 9 minutes before

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Local storm report, May 21, 10:50 PM CDT, 3 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 7:39 PM CDT	Severe Thunderstorm Warning	OAX	Knox, Pierce	36 min
May 21, 7:48 PM CDT	Tornado Warning	OAX	Knox, Pierce	27 min
May 21, 8:04 PM CDT	Tornado Warning	OAX	Cedar	41 min
May 21, 8:14 PM CDT	Tornado Warning	OAX	Pierce	31 min
May 21, 8:33 PM CDT	Tornado Warning	OAX	Madison, Stanton, Wayne	42 min
May 21, 8:45 PM CDT	Tornado Warning	OAX	Pierce	30 min
May 21, 9:11 PM CDT	Tornado Warning	OAX	Wayne	34 min
May 21, 9:16 PM CDT	Tornado Warning	OAX	Cedar	29 min
May 21, 9:43 PM CDT	Tornado Warning	OAX	Cuming, Stanton, Wayne	32 min
May 21, 9:50 PM CDT	Severe Thunderstorm Warning	OAX	Thurston	40 min
May 21, 10:00 PM CDT	Tornado Warning	OAX	Thurston	45 min
May 21, 10:15 PM CDT	Tornado Warning	OAX	Cuming, Wayne	45 min
May 21, 10:45 PM CDT	Severe Thunderstorm Warning	OAX	Cedar	45 min
May 21, 10:46 PM CDT	Tornado Warning	OAX	Thurston	44 min
May 21, 10:49 PM CDT	Severe Thunderstorm Warning	OAX	Pierce	41 min
May 21, 10:52 PM CDT	Severe Thunderstorm Warning	OAX	Wayne	23 min
May 21, 11:02 PM CDT	Tornado Warning	OAX	Boone	28 min
May 21, 11:08 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Madison	52 min
May 21, 11:14 PM CDT	Severe Thunderstorm Warning	OAX	Wayne	31 min
May 21, 11:18 PM CDT	Severe Thunderstorm Warning	OAX	Cuming	42 min
May 21, 11:30 PM CDT	Flash Flood Warning	OAX	Thurston, Wayne	6 hr
May 21, 11:35 PM CDT	Severe Thunderstorm Warning	OAX	Boone, Platte	40 min
May 21, 11:36 PM CDT	Severe Thunderstorm Warning	OAX	Thurston	39 min
May 21, 11:59 PM CDT	Severe Thunderstorm Warning	OAX	Cuming	46 min
May 22, 12:09 AM CDT	Severe Thunderstorm Warning	OAX	Madison	36 min
May 22, 12:13 AM CDT	Severe Thunderstorm Warning	OAX	Platte	47 min
May 22, 12:28 AM CDT	Flash Flood Warning	OAX	Cuming	6 hr
May 22, 1:14 AM CDT	Flash Flood Warning	OAX	Boone, Madison, Platte, Stanton	6 hr
May 22, 1:38 AM CDT	Severe Thunderstorm Warning	OAX	Boone	37 min
May 22, 2:16 AM CDT	Severe Thunderstorm Warning	OAX	Platte	44 min
May 22, 2:49 AM CDT	Severe Thunderstorm Warning	OAX	Colfax, Dodge	41 min
May 22, 3:23 AM CDT	Severe Thunderstorm Warning	OAX	Washington	37 min
May 22, 5:37 PM CDT	Tornado Warning	OAX	Butler, Colfax, Platte	38 min
May 22, 6:12 PM CDT	Tornado Warning	OAX	Colfax, Dodge	48 min
May 22, 6:33 PM CDT	Severe Thunderstorm Warning	OAX	Saunders	27 min
May 21, 11:00 PM CDT	Severe Thunderstorm Warning	OAX	Monona	45 min
May 22, 3:51 AM CDT	Severe Thunderstorm Warning	OAX	Harrison, Shelby	49 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2004 Every severe thunderstorm warning in 2004

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.