Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 203, NWS Amarillo, TX

October 28, 2013Beaver County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at Oct 28, 2013, 11:45 PM CDT for Beaver County, Oklahoma. It was in force for 90 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: Oct 28, 2013, 11:45 PM CDT (04:45 UTC)
Expired: Oct 29, 2013, 1:15 AM CDT
In force: 90 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 04:46 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, 4.8 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: 261 J/kg
Mixed-layer CIN: -207 J/kg
Mixed-layer LCL: 747 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 222 m²/s²
0-3 km storm-relative helicity: 262 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

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 Oct 28, 11:31 PM CDT, 14 minutes earlier.

Area forecast discussion, Oct 28, 11:31 PM CDT, 14 minutes before

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Hazardous weather outlook, Oct 28, 9:58 PM CDT, 1 hour 47 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE AMARILLO TX
958 PM CDT MON OCT 28 2013

OKZ001>003-TXZ001>020-291100-
CIMARRON-TEXAS-BEAVER-DALLAM-SHERMAN-HANSFORD-OCHILTREE-LIPSCOMB-
HARTLEY-MOORE-HUTCHINSON-ROBERTS-HEMPHILL-OLDHAM-POTTER-CARSON-
GRAY-WHEELER-DEAF SMITH-RANDALL-ARMSTRONG-DONLEY-COLLINGSWORTH-
958 PM CDT MON OCT 28 2013

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

.DAY ONE...OVERNIGHT.

THUNDERSTORMS WILL BE POSSIBLE ACROSS THE CENTRAL AND EASTERN
OKLAHOMA PANHANDLE AND NORTHEAST TEXAS PANHANDLE THROUGH THE
OVERNIGHT HOURS. ANY STORMS THAT DEVELOP ARE EXPECTED TO BE BELOW
SEVERE LEVELS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THUNDERSTORMS WILL BE POSSIBLE ACROSS THE SOUTHEAST HALF OF THE
OKLAHOMA AND TEXAS PANHANDLES TUESDAY NIGHT...AND THEN OVER THE
EASTERN THIRD OF THE AREA WEDNESDAY MORNING. A FEW STORMS THAT
DEVELOP TUESDAY NIGHT MAY BECOME SEVERE...WITH LARGE HAIL AND
DAMAGING WINDS AS THE PRIMARY HAZARDS.

ELEVATED FIRE WEATHER CONDITIONS MAY DEVELOP BOTH TUESDAY AND
WEDNESDAY AFTERNOONS ACROSS THE FAR WESTERN SECTIONS OF THE OKLAHOMA
AND TEXAS PANHANDLES DUE TO SOUTH TO SOUTHWEST WINDS OF 15 TO 25 MPH
ALONG WITH FORECAST MINIMUM RELATIVE HUMIDITY VALUES AROUND 20 PERCENT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL ACROSS MUCH OF THE
OKLAHOMA AND TEXAS PANHANDLES SHOULD REMAIN ALERT AND BE READY FOR
POSSIBLE LIMITED ACTIVATION TUESDAY NIGHT.

AREA FIRE MANAGERS AND EMERGENCY OFFICIALS ACROSS THE FAR WESTERN
SECTIONS OF THE OKLAHOMA AND TEXAS PANHANDLES SHOULD BE ALERT FOR
POSSIBLE ELEVATED FIRE WEATHER CONDITIONS BOTH TUESDAY AND WEDNESDAY
AFTERNOONS.

CLK

In the hours before

Special weather statement, Oct 28, 8:03 PM CDT, 3 hours 42 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
803 PM CDT MON OCT 28 2013

OKZ002-TXZ002-003-290130-
HANSFORD TX-SHERMAN TX-TEXAS OK-
803 PM CDT MON OCT 28 2013

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN SHERMAN...
NORTHWESTERN HANSFORD AND SOUTHERN TEXAS COUNTIES UNTIL 830 PM CDT...

AT 800 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 8 MILES SOUTHEAST OF TEXHOMA...OR 22 MILES EAST
OF STRATFORD...MOVING NORTHEAST AT 25 MPH.

HAIL UP TO THE SIZE OF PENNIES IS EXPECTED WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  GUYMON...             GOODWELL...

THIS STORM MAY INTENSIFY...AND A SEVERE THUNDERSTORM WATCH IS IN
EFFECT FOR THIS AREA. BE CERTAIN TO MONITOR LOCAL RADIO AND TV
STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3677 10153 3655 10111 3635 10153 3646 10179
TIME...MOT...LOC 0103Z 226DEG 21KT 3643 10168

LG

Special weather statement, Oct 28, 8:07 PM CDT, 3 hours 38 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
807 PM CDT MON OCT 28 2013

TXZ007-008-013-290130-
CARSON TX-HUTCHINSON TX-MOORE TX-
807 PM CDT MON OCT 28 2013

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN CARSON...
SOUTHEASTERN MOORE AND SOUTHWESTERN HUTCHINSON COUNTIES UNTIL 830 PM
CDT...

AT 804 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 3 MILES SOUTH OF FRITCH...OR 11 MILES WEST OF
BORGER...MOVING NORTHEAST AT 30 MPH.

HAIL UP TO THE SIZE OF PENNIES IS EXPECTED WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  BORGER...             STINNETT...           SANFORD...
  FRITCH...

THIS STORM MAY INTENSIFY...AND A SEVERE THUNDERSTORM WATCH IS IN
EFFECT FOR THIS AREA. BE CERTAIN TO MONITOR LOCAL RADIO AND TV
STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3560 10162 3562 10162 3562 10165 3566 10170
      3595 10146 3569 10113 3553 10154
TIME...MOT...LOC 0107Z 224DEG 25KT 3561 10157

LG

Special weather statement, Oct 28, 10:07 PM CDT, 1 hour 38 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
1007 PM CDT MON OCT 28 2013

OKZ003-290345-
BEAVER OK-
1007 PM CDT MON OCT 28 2013

...SIGNIFICANT WEATHER ADVISORY FOR BEAVER COUNTY UNTIL 1045 PM
CDT...

AT 1004 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM NEAR BOYD...OR 20 MILES SOUTHWEST OF BEAVER...
MOVING EAST AT 25 MPH.

HAIL UP TO ONE HALF INCH IN DIAMETER IS EXPECTED WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  BEAVER...             TURPIN...             MOCANE...
  FORGAN...             FLORIS...             BOYD...
  BALKO...

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

LAT...LON 3667 10014 3660 10081 3694 10095 3701 10054
      3701 10028
TIME...MOT...LOC 0308Z 248DEG 21KT 3671 10082

LG

Local storm report, Oct 28, 11:01 PM CDT, 44 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
1101 PM CDT MON OCT 28 2013

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

1100 PM     HAIL             BEAVER                  36.81N 100.52W
10/28/2013  E1.75 INCH       BEAVER             OK   EMERGENCY MNGR

&&

EVENT NUMBER AMA1300842

LG

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 28, 8:07 PM CDT	Special Weather Statement	AMA	Hutchinson	23 min
Oct 28, 8:03 PM CDT	Special Weather Statement	AMA	Texas	27 min
Oct 28, 10:07 PM CDT	Special Weather Statement	AMA	Beaver	38 min
Oct 28, 10:21 PM CDT	Severe Thunderstorm Warning	AMA	Beaver	84 min
Oct 28, 11:04 PM CDT	Areal Flood Advisory	AMA	Beaver	4 hr
Oct 28, 11:28 PM CDT	Flash Flood Warning	AMA	Beaver	4 hr

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2013 Every severe thunderstorm warning in 2013

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.