Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 97, NWS Amarillo, TX

June 10, 2009Beaver County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 10, 2009, 9:14 PM CDT for Beaver County, Oklahoma. It was in force for 61 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 10, 2009, 9:14 PM CDT (02:14 UTC)
Expired: Jun 10, 2009, 10:15 PM CDT
In force: 61 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon

County Beaver County, OK

The radar

The Dodge City radar (KDDC), 121 km from the middle of the area, began a volume at 02:16 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

Dodge City, (KDDC), launched 00:00Z, 2.2 hours before the alert went out and 124 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: 537 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 669 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 309 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.9

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 Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 10, 6:30 PM CDT, 2 hours 44 minutes earlier.

Area forecast discussion, Jun 10, 6:30 PM CDT, 2 hours 44 minutes before

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Hazardous weather outlook, Jun 10, 2:41 PM CDT, 6 hours 33 minutes before

TEXAS/OKLAHOMA PANHANDLES HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE AMARILLO TX
241 PM CDT WED JUN 10 2009

OKZ001>003-TXZ001>020-111100-
ARMSTRONG-BEAVER-CARSON-CIMARRON-COLLINGSWORTH-DALLAM-DEAF SMITH-
DONLEY-GRAY-HANSFORD-HARTLEY-HEMPHILL-HUTCHINSON-LIPSCOMB-MOORE-
OCHILTREE-OLDHAM-POTTER-RANDALL-ROBERTS-SHERMAN-TEXAS-WHEELER-
241 PM CDT WED JUN 10 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE TEXAS AND OKLAHOMA
PANHANDLES.

.DAY ONE...

THUNDERSTORMS ARE POSSIBLE ACROSS MUCH OF THE TEXAS AND OKLAHOMA
PANHANDLES THROUGH TONIGHT. SOME OF THESE STORMS MAY GET STRONG AND
POSSIBLY SEVERE WITH HAIL AND STRONG WINDS BEING THE MAIN THREATS.
BRIEF HEAVY RAIN MAY ALSO CAUSE LOCALIZED FLOODING.

.DAYS TWO THROUGH SEVEN...

THUNDERSTORMS WILL BE POSSIBLE AREAWIDE DURING THE NIGHTTIME HOURS
THURSDAY THROUGH SUNDAY. A FEW OF THE STORMS THAT DEVELOP DURING ANY
OF THESE PERIODS MAY BECOME STRONG TO SEVERE...WITH THE PRIMARY
THREATS BEING LARGE HAIL AND DAMAGING WINDS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER GROUPS AND EMERGENCY MANAGEMENT OFFICIALS WILL WANT TO
KEEP ALERT FOR POSSIBLE ACTIVATION AT TIMES THROUGH THE END OF
THE WEEK.

GOEHRING

In the hours before

Local storm report, Jun 10, 5:38 PM CDT, 3 hours 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
538 PM CDT WED JUN 10 2009

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

0530 PM     TSTM WND GST     AMARILLO                35.20N 101.82W
06/10/2009  E60 MPH          POTTER             TX   TRAINED SPOTTER

            SPOTTER ALSO NOTED BLOWING DUST WITH VISIBILITY LESS
            THAN 1 MILE.

&&

EVENT NUMBER AMA01485

BROST

Local storm report, Jun 10, 5:40 PM CDT, 3 hours 34 minutes before

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Local storm report, Jun 10, 5:41 PM CDT, 3 hours 33 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
541 PM CDT WED JUN 10 2009

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

0535 PM     TSTM WND DMG     6 SW AMARILLO           35.14N 101.89W
06/10/2009                   RANDALL            TX   NWS EMPLOYEE

            FLAG POLE SNAPPED AT BASE NEAR LEARNING TREE ROAD AND
            CHALLENGE IN AMARILLO.

&&

EVENT NUMBER AMA01487

BROST

Special weather statement, Jun 10, 6:12 PM CDT, 3 hours 2 minutes before

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Special weather statement, Jun 10, 6:15 PM CDT, 2 hours 59 minutes before

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Local storm report, Jun 10, 6:24 PM CDT, 2 hours 50 minutes 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
Jun 10, 10:12 PM CDT	Severe Thunderstorm Warning	AMA	Beaver	33 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 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.