Alert archive / Texas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 55, NWS Amarillo, TX

May 15, 20094 counties in Texas

NWS Amarillo, TX issued this severe thunderstorm warning at May 15, 2009, 4:51 PM CDT for 4 counties in Texas. It was in force for 54 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 15, 2009, 4:51 PM CDT (21:51 UTC)
Expired: May 15, 2009, 5:45 PM CDT
In force: 54 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon

Counties Carson County, TX, Gray County, TX, Hutchinson County, TX, Roberts County, TX

The radar

The Amarillo radar (KAMA), 71 km from the middle of the area, began a volume at 21:52 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 watch it was issued in

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

Issued	Product	Office	Lasted
May 15, 3:02 PM CDT	Tornado Watch	SPC	7 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.

NWS Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 15, 3:01 PM CDT, 1 hour 50 minutes earlier.

Area forecast discussion, May 15, 3:01 PM CDT, 1 hour 50 minutes before

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Hazardous weather outlook, May 15, 3:20 PM CDT, 1 hour 31 minutes before

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In the hours before

Special weather statement, May 15, 3:02 PM CDT, 1 hour 49 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
302 PM CDT FRI MAY 15 2009

TXZ004-005-009-010-152045-
LIPSCOMB TX-OCHILTREE TX-ROBERTS TX-HEMPHILL TX-
302 PM CDT FRI MAY 15 2009

...STRONG THUNDERSTORM ACROSS HEMPHILL...ROBERTS...OCHILTREE AND
LIPSCOMB COUNTIES...

AT 258 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER ROBERTS COUNTY...OR ABOUT 24 MILES SOUTHEAST
OF SPEARMAN...MOVING EAST AT 10 MPH.

UP TO ONE HALF INCH SIZE HAIL AND WINDS AROUND 50 MPH ARE POSSIBLE.

STORM INTENSITY IS INCREASING AND SEVERE WEATHER MAY DEVELOP RAPIDLY.
BE PREPARED TO TAKE ACTION IF A WARNING IS ISSUED.

NUTTALL

Local storm report, May 15, 4:09 PM CDT, 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
409 PM CDT FRI MAY 15 2009

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

0407 PM     HAIL             19 NW MIAMI             35.89N 100.88W
05/15/2009  E1.75 INCH       ROBERTS            TX   AMATEUR RADIO

&&

EVENT NUMBER AMA01381

SFJ

Local storm report, May 15, 4:13 PM CDT, 38 minutes before

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Local storm report, May 15, 4:50 PM CDT, 1 minute before

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The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 15, 3:07 PM CDT	Severe Thunderstorm Warning	AMA	Ochiltree, Roberts	53 min
May 15, 3:58 PM CDT	Severe Thunderstorm Warning	AMA	Hutchinson, Ochiltree, Roberts	37 min
May 15, 4:03 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb	33 min
May 15, 4:08 PM CDT	Areal Flood Advisory	AMA	Roberts	3 hr
May 15, 4:29 PM CDT	Tornado Warning	AMA	Gray, Roberts	46 min
May 15, 5:03 PM CDT	Tornado Warning	AMA	Gray, Roberts	42 min
May 15, 5:32 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Collingsworth, Donley, Gray, Wheeler	58 min
May 15, 5:34 PM CDT	Tornado Warning	AMA	Gray, Wheeler	41 min
May 15, 5:42 PM CDT	High Wind Warning	AMA	Armstrong, Carson, Deaf Smith, Oldham, Potter, Randall	3 hr
May 15, 6:25 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Donley, Gray	51 min
May 15, 6:29 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Donley, Gray, Wheeler	61 min
May 15, 6:45 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Wheeler	60 min

Nearby

Severe Thunderstorm Warnings in Texas, 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; radar from the NEXRAD Level II archive.