Alert archive / Texas / Special Weather Statements in 2017

Special Weather Statement, NWS Norman, OK

September 17, 2017Hardeman County, Texas

NWS Norman, OK issued this special weather statement at Sep 17, 2017, 11:21 PM CDT for Hardeman County, Texas. It was in force for 24 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: Sep 17, 2017, 11:21 PM CDT (04:21 UTC)
Expired: Sep 17, 2017, 11:45 PM CDT
In force: 24 min
Issued by: NWS Norman, OK

County Hardeman County, TX

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 4.4 hours before the alert went out and 199 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: 680 J/kg
Mixed-layer CIN: -129 J/kg
Mixed-layer LCL: 1580 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 136 m²/s²
0-3 km storm-relative helicity: -35 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 Norman, OK wrote its last area forecast discussion before this special weather statement went out at Sep 17, 7:16 PM CDT, 4 hours 5 minutes earlier.

Area forecast discussion, Sep 17, 7:16 PM CDT, 4 hours 5 minutes before

Area Forecast Discussion
National Weather Service Norman OK
716 PM CDT Sun Sep 17 2017

.DISCUSSION...

&&

.AVIATION...
Showers and thunderstorms will be scattered across some of
central and southern Oklahoma overnight. East winds north of a
weak front across southern Oklahoma will turn south as the front
dissolves by mid-day Monday. VFR conditions are expected outside
of the few intense thunderstorms.

&&

.PRELIMINARY POINT TEMPS/POPS...
Oklahoma City OK  71  91  72  93 /  40  20  10  10
Hobart OK         69  92  72  96 /  50  10  10  20
Wichita Falls TX  73  93  73  97 /  20  10  10  10
Gage OK           64  92  69  95 /  50  20  20  10
Ponca City OK     69  89  70  93 /  40  40  20  10
Durant OK         70  91  72  93 /  10  10   0  10

&&

.OUN WATCHES/WARNINGS/ADVISORIES...
OK...None.
TX...None.
&&

25/09/09

Hazardous weather outlook, Sep 17, 9:07 PM CDT, 2 hours 14 minutes before

Hazardous Weather Outlook...UPDATED
National Weather Service Norman OK
907 PM CDT Sun Sep 17 2017

OKZ004>048-050>052-TXZ083>090-190215-
Harper-Woods-Alfalfa-Grant-Kay-Ellis-Woodward-Major-Garfield-
Noble-Roger Mills-Dewey-Custer-Blaine-Kingfisher-Logan-Payne-
Beckham-Washita-Caddo-Canadian-Oklahoma-Lincoln-Grady-McClain-
Cleveland-Pottawatomie-Seminole-Hughes-Harmon-Greer-Kiowa-Jackson-
Tillman-Comanche-Stephens-Garvin-Murray-Pontotoc-Coal-Cotton-
Jefferson-Carter-Johnston-Atoka-Love-Marshall-Bryan-Hardeman-
Foard-Wilbarger-Wichita-Knox-Baylor-Archer-Clay-
907 PM CDT Sun Sep 17 2017

This hazardous weather outlook is for portions of northern...
western...central...and southern Oklahoma...and western north
Texas.

.DAY ONE...Rest of Tonight...

.Thunderstorms...
Showers and storms will continue to develop and move across
portions of Oklahoma and western north Texas through early Monday
morning. A few of the storms in parts of southern Oklahoma and
western north Texas could become strong to severe with hail up to
the size of half dollars and wind gusts to 65 mph. Otherwise,
heavy rain and cloud to ground lightning will be the main
concerns.

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

.Thunderstorms...
Remnant thunderstorms will be possible Monday morning across
portions of central and eastern Oklahoma. Additional
thunderstorms may develop Monday afternoon across northern
Oklahoma, where there is Marginal Risk for strong to severe
thunderstorms. Hail and gusty winds are the primary hazards.

A low chance of thunderstorms will return on Thursday with
increasing chances of thunderstorms toward the upcoming weekend.
Locally heavy rainfall will be possible, especially by Saturday.

.Fire Weather...
Elevated fire weather conditions will be possible across portions
of Oklahoma and north Texas from Tuesday through Friday of this
week due to hot temperatures, breezy conditions, and low relative
humidity.

Get graphics and more details at weather.gov/norman...and follow
our weather forecast office on Twitter and Facebook.

In the hours before

Special weather statement, Sep 17, 9:24 PM CDT, 1 hour 57 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
924 PM CDT SUN SEP 17 2017

OKZ033-034-036-180315-
Harmon OK-Greer OK-Jackson OK-
924 PM CDT SUN SEP 17 2017

...SIGNIFICANT WEATHER ADVISORY FOR central Harmon...south central
Greer and west central Jackson Counties Until 1015 PM CDT...

AT 920 PM CDT, a strong thunderstorm was located 6 miles north of
Gould, moving east at 20 MPH.

HAZARDS INCLUDE...
Hail up to the size of nickels...
Wind gusts to 40 MPH...
Minor flooding in areas of poor drainage...

Locations impacted include...
Hollis, Gould, McKnight and McQueen.

LAT...LON 3462 9999 3483 9999 3497 9956 3470 9950
TIME...MOT...LOC 0220Z 251DEG 18KT 3477 9980

WR

Special weather statement, Sep 17, 9:37 PM CDT, 1 hour 44 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
937 PM CDT SUN SEP 17 2017

TXZ083-084-180300-
Foard TX-Hardeman TX-
937 PM CDT SUN SEP 17 2017

...SIGNIFICANT WEATHER ADVISORY FOR northwestern Foard and
southwestern Hardeman Counties Until 1000 PM CDT...

AT 934 PM CDT, a severe thunderstorm was located 4 miles east of
Swearingen, moving east at 35 MPH.

HAZARDS INCLUDE...
Hail up to the size of nickels...
Wind gusts over 50 MPH...
Minor flooding in areas of poor drainage...
Frequent cloud to ground lightning...

This storm will remain over mainly rural areas of northwestern Foard
and southwestern Hardeman Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the situation closely. Be ready to act quickly if a warning
is issued or if storms threaten you.

&&

LAT...LON 3419 10005 3423 10004 3424 10003 3424 10001
      3423 10001 3423 10000 3428 9999 3430 9990
      3410 9985 3404 10005
TIME...MOT...LOC 0234Z 249DEG 30KT 3415 10007

WR

Special weather statement, Sep 17, 10:18 PM CDT, 1 hour 3 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
1018 PM CDT SUN SEP 17 2017

OKZ034>036-180400-
Kiowa OK-Greer OK-Jackson OK-
1018 PM CDT SUN SEP 17 2017

...SIGNIFICANT WEATHER ADVISORY FOR central Kiowa...southeastern
Greer and northeastern Jackson Counties Until 1100 PM CDT...

AT 1015 PM CDT, a strong thunderstorm was located near Blair, moving
east at 35 MPH.

HAZARDS INCLUDE...
Hail up to the size of nickels...
Wind gusts to 50 MPH...
Minor flooding in areas of poor drainage...

Locations impacted include...
Hobart, Granite, Blair, Lone Wolf, Roosevelt, Martha, Cooperton,
Warren, Tom Steed Reservoir, Hester and Altus-Lugert Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the weather situation closely and be alert for threatening
weather conditions.

&&

LAT...LON 3506 9892 3485 9884 3479 9884 3471 9945
      3494 9950
TIME...MOT...LOC 0315Z 258DEG 29KT 3482 9938

WR

Special weather statement, Sep 17, 10:40 PM CDT, 41 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
1040 PM CDT SUN SEP 17 2017

OKZ035>037-180415-
Kiowa OK-Tillman OK-Jackson OK-
1040 PM CDT SUN SEP 17 2017

...SIGNIFICANT WEATHER ADVISORY FOR central Kiowa...northwestern
Tillman and eastern Jackson Counties Until 1115 PM CDT...

AT 1038 PM CDT, strong thunderstorms were along a line extending from
4 miles west of Hobart to 6 miles southwest of Tom Steed Reservoir to
3 miles southwest of Tipton, moving east at 30 MPH.

HAZARDS INCLUDE...
Wind gusts over 50 MPH...
Minor flooding in areas of poor drainage...

Locations impacted include...
Hobart, Snyder, Tipton, Lone Wolf, Mountain Park, Roosevelt, Manitou,
Headrick, Cooperton and Tom Steed Reservoir.

LAT...LON 3440 9928 3471 9917 3502 9926 3505 9885
      3482 9882 3443 9884 3440 9926 3441 9926
TIME...MOT...LOC 0338Z 254DEG 25KT 3502 9917 3473 9910 3448 9919

WR

Special weather statement, Sep 17, 11:17 PM CDT, 4 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
1117 PM CDT SUN SEP 17 2017

OKZ035>038-180500-
Kiowa OK-Tillman OK-Comanche OK-Jackson OK-
1117 PM CDT SUN SEP 17 2017

...SIGNIFICANT WEATHER ADVISORY FOR south central Kiowa...northern
Tillman...western Comanche and southeastern Jackson Counties Until
midnight CDT...

AT 1114 PM CDT, strong thunderstorms were along a line extending from
5 miles east of Mountain Park to near Frederick, moving east at 25
MPH.

HAZARDS INCLUDE...
Wind gusts over 50 MPH...
Minor flooding in areas of poor drainage...

Locations impacted include...
Frederick, Cache, Snyder, Tipton, Chattanooga, Mountain Park,
Indiahoma, Manitou, Headrick, Hollister, Meers, Lake Lawtonka, Tom
Steed Reservoir, southwestern Fort Sill, Wichita Mountains Wildlife
Refuge, Mount Scott, Doris Campground and The Visitor Center.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the weather situation closely and be alert for threatening
weather conditions.

&&

LAT...LON 3474 9913 3481 9850 3457 9856 3433 9872
      3437 9925
TIME...MOT...LOC 0414Z 257DEG 21KT 3471 9886 3437 9900

MAHALE

Special weather statement, Sep 17, 11:21 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
1121 PM CDT SUN SEP 17 2017

OKZ033-036-TXZ083-084-180445-
Harmon OK-Jackson OK-Foard TX-Hardeman TX-
1121 PM CDT SUN SEP 17 2017

...SIGNIFICANT WEATHER ADVISORY FOR southern Harmon...southwestern
Jackson...northwestern Foard and Hardeman Counties Until 1145 PM
CDT...

AT 1119 PM CDT, strong thunderstorms were along a line extending from
11 miles northeast of Kirkland to near Goodlett to 6 miles southeast
of Swearingen, moving east at 45 MPH.

HAZARDS INCLUDE...
Wind gusts over 50 MPH...
Minor flooding in areas of poor drainage...

Locations impacted include...
Quanah, Chillicothe, Eldorado, Goodlett, Medicine Mound, Duke and
Copper Breaks State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the weather situation closely and be alert for threatening
weather conditions.

&&

LAT...LON 3421 10005 3424 10002 3423 10000 3429 9999
      3459 10000 3469 9954 3439 9947 3432 9947
      3407 9962 3410 10005
TIME...MOT...LOC 0419Z 263DEG 38KT 3452 9993 3431 9992 3411 10004

MAHALE

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 17, 7:43 PM CDT	Special Weather Statement	OUN	Pontotoc	47 min
Sep 17, 7:59 PM CDT	Special Weather Statement	OUN	Love	46 min
Sep 17, 8:26 PM CDT	Special Weather Statement	OUN	Greer, Harmon	49 min
Sep 17, 8:44 PM CDT	Areal Flood Advisory	OUN	Love	2 hr
Sep 17, 9:24 PM CDT	Special Weather Statement	OUN	Greer, Harmon	51 min
Sep 17, 10:18 PM CDT	Special Weather Statement	OUN	Kiowa	42 min
Sep 17, 10:40 PM CDT	Special Weather Statement	OUN	Kiowa	35 min
Sep 17, 11:17 PM CDT	Special Weather Statement	OUN	Tillman	43 min
Sep 17, 11:36 PM CDT	Special Weather Statement	OUN	Tillman	24 min
Sep 17, 11:40 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Tillman	50 min
Sep 17, 11:47 PM CDT	Special Weather Statement	OUN	Jackson	43 min
Sep 18, 12:10 AM CDT	Special Weather Statement	OUN	Jackson	35 min
Sep 18, 12:16 AM CDT	Severe Thunderstorm Warning	OUN	Jackson, Tillman	23 min
Sep 18, 12:20 AM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche, Cotton	40 min
Sep 18, 12:40 AM CDT	Special Weather Statement	OUN	Tillman	35 min
Sep 18, 1:01 AM CDT	Special Weather Statement	OUN	Cotton, Grady, Stephens	29 min
Sep 18, 5:44 AM CDT	Special Weather Statement	OUN	Woodward	31 min
Sep 18, 6:15 AM CDT	Special Weather Statement	OUN	Alfalfa, Major, Woods, Woodward	30 min
Sep 18, 6:45 AM CDT	Special Weather Statement	OUN	Alfalfa, Garfield, Major	45 min
Sep 17, 8:14 PM CDT	Areal Flood Advisory	OUN	Clay	2 hr
Sep 17, 9:37 PM CDT	Special Weather Statement	OUN	Hardeman	23 min

Nearby

Special Weather Statements in Texas, 2017 Every special weather statement in 2017

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.