Alert archive / Oklahoma / Special Weather Statements in 2021

Special Weather Statement, NWS Amarillo, TX

May 30, 2021Beaver County, Oklahoma

NWS Amarillo, TX issued this special weather statement at May 30, 2021, 1:03 PM CDT for Beaver County, Oklahoma. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 30, 2021, 1:03 PM CDT (18:03 UTC)
Expired: May 30, 2021, 1:45 PM CDT
In force: 42 min
Issued by: NWS Amarillo, TX

County Beaver County, OK

The radar

The Dodge City radar (KDDC), 109 km from the middle of the area, began a volume at 18:02 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 12:00Z, 6.1 hours before the alert went out and 111 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 647 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 148 m²/s²
0-3 km storm-relative helicity: 76 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at May 30, 6:45 AM CDT, 6 hours 18 minutes earlier.

Area forecast discussion, May 30, 6:45 AM CDT, 6 hours 18 minutes before

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Hazardous weather outlook, May 30, 4:03 AM CDT, 9 hours before

Hazardous Weather Outlook
National Weather Service Amarillo TX
403 AM CDT Sun May 30 2021

OKZ001>003-TXZ001>020-317-302100-
Cimarron-Texas-Beaver-Dallam-Sherman-Hansford-Ochiltree-Lipscomb-
Hartley-Moore-Hutchinson-Roberts-Hemphill-Oldham-Potter-Carson-
Gray-Wheeler-Deaf Smith-Randall-Armstrong-Donley-Collingsworth-
Palo Duro Canyon-
403 AM CDT Sun May 30 2021

This Hazardous Weather Outlook is for the Texas and Oklahoma
Panhandles.

.DAY ONE...Today and Tonight.

Thunderstorms are expected to develop today and tonight across
the Oklahoma and Texas Panhandles. Some storms may become severe
late this afternoon and evening, with large hail and damaging
winds the primary hazards. However, an isolated tornado cannot be
ruled out across the western half of the area. In addition, the
strongest storms will be capable of producing heavy rainfall,
which may lead to flooding or flash flooding.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Thunderstorms will be possible across the Oklahoma and Texas
Panhandles Memorial Day through Wednesday evening, and then across
parts of the area Thursday afternoon through Saturday. Any storms
that develop are expected to remain below severe levels at this
time. In addition, the strongest storms on Memorial Day will be
capable of producing heavy rainfall, which may lead to flooding or
flash flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter groups and emergency management officials across the
Oklahoma and Texas Panhandles should remain alert and be ready for
possible activation late this afternoon and evening.

02

In the hours before

Local storm report, May 30, 7:48 AM CDT, 5 hours 15 minutes before

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Special weather statement, May 30, 1:03 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Amarillo TX
103 PM CDT Sun May 30 2021

OKZ003-301845-
Beaver OK-
103 PM CDT Sun May 30 2021

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN BEAVER COUNTY UNTIL 145
PM CDT...

At 102 PM CDT, Doppler radar was tracking a strong thunderstorm near
Slapout, or 16 miles west of Laverne, moving northeast at 35 mph.

Penny size hail will be possible with this storm.

Locations impacted include...
Gate, Knowles, Elmwood and Slapout.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take shelter in a sturdy building if threatening weather approaches.

&&

LAT...LON 3695 10000 3653 10001 3651 10005 3659 10062
      3700 10026 3700 10013
TIME...MOT...LOC 1802Z 237DEG 31KT 3663 10017

MJG

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 12:04 AM CDT	Special Weather Statement	AMA	Dallam, Hartley	56 min
May 30, 1:08 AM CDT	Severe Thunderstorm Warning	AMA	Hartley, Oldham	64 min
May 30, 1:40 AM CDT	Tornado Warning	AMA	Oldham	16 min
May 30, 2:30 AM CDT	Special Weather Statement	AMA	Hartley	30 min
May 30, 2:51 AM CDT	Special Weather Statement	AMA	Oldham	24 min
May 30, 2:54 AM CDT	Special Weather Statement	AMA	Oldham	66 min
May 30, 3:43 AM CDT	Special Weather Statement	AMA	Moore, Sherman	62 min
May 30, 2:27 PM CDT	Flood Watch	AMA	Armstrong, Carson, Collingsworth, Dallam, Deaf Smith, Donley and 14 more	17 hr
May 30, 3:56 PM CDT	Special Weather Statement	AMA	Sherman	34 min
May 30, 5:14 PM CDT	Severe Thunderstorm Warning	AMA	Dallam	61 min
May 30, 6:08 PM CDT	Tornado Warning	AMA	Dallam, Sherman	52 min
May 30, 6:46 PM CDT	Areal Flood Advisory	AMA	Dallam	4 hr
May 30, 6:54 PM CDT	Tornado Warning	AMA	Dallam, Sherman	51 min
May 29, 7:45 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	AMA	Cimarron	45 min
May 29, 8:27 PM CDT	Tornado Warning	AMA	Cimarron	48 min
May 29, 9:05 PM CDT	Tornado Warning Tornado observed	AMA	Cimarron	55 min
May 29, 9:51 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	AMA	Cimarron	54 min
May 29, 10:41 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron	64 min
May 29, 11:48 PM CDT	Special Weather Statement	AMA	Cimarron	27 min
May 30, 1:19 PM CDT	Severe Thunderstorm Warning	AMA	Beaver	26 min
May 30, 3:35 PM CDT	Special Weather Statement	AMA	Cimarron	25 min
May 30, 4:35 PM CDT	Tornado Warning Tornado observed	AMA	Cimarron	40 min
May 30, 5:08 PM CDT	Tornado Warning Tornado observed	AMA	Cimarron	28 min
May 30, 5:35 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron	55 min
May 30, 5:39 PM CDT	Tornado Warning Tornado observed	AMA	Cimarron	51 min
May 30, 5:49 PM CDT	Tornado Warning	AMA	Cimarron	41 min
May 30, 6:14 PM CDT	Tornado Warning Tornado observed	AMA	Cimarron	46 min
May 30, 6:26 PM CDT	Tornado Warning	AMA	Cimarron	21 min
May 30, 6:58 PM CDT	Tornado Warning	AMA	Cimarron	47 min

Nearby

Special Weather Statements in Oklahoma, 2021 Every special weather statement in 2021

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.