Alert archive / Oklahoma / Special Weather Statements in 2023

Special Weather Statement, NWS Norman, OK

August 9, 2023Canadian County, Oklahoma

NWS Norman, OK issued this special weather statement at Aug 9, 2023, 1:57 AM CDT for Canadian County, Oklahoma. It was in force for 33 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: Aug 9, 2023, 1:57 AM CDT (06:57 UTC)
Expired: Aug 9, 2023, 2:30 AM CDT
In force: 33 min
Issued by: NWS Norman, OK
Hail: 0.00 in
Wind: 50

County Canadian County, OK

The radar

The Norman radar (KTLX), 60 km from the middle of the area, began a volume at 06:57 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, 7.0 hours before the alert went out and 306 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: 1845 J/kg
Mixed-layer CIN: -155 J/kg
Mixed-layer LCL: 1185 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 138 m²/s²
0-3 km storm-relative helicity: 184 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 1.8

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 Aug 8, 11:05 PM CDT, 2 hours 52 minutes earlier.

Area forecast discussion, Aug 8, 11:05 PM CDT, 2 hours 52 minutes before

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Hazardous weather outlook, Aug 8, 11:10 PM CDT, 2 hours 47 minutes before

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In the hours before

Special weather statement, Aug 9, 12:46 AM CDT, 1 hour 11 minutes before

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Local storm report, Aug 9, 12:48 AM CDT, 1 hour 9 minutes before

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Special weather statement, Aug 9, 12:54 AM CDT, 1 hour 3 minutes before

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Local storm report, Aug 9, 1:10 AM CDT, 47 minutes before

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Special weather statement, Aug 9, 1:32 AM CDT, 25 minutes before

Special Weather Statement
National Weather Service Norman OK
132 AM CDT Wed Aug 9 2023

OKZ023-027-035-037-038-044-TXZ084>089-090700-
Grady OK-Kiowa OK-Tillman OK-Cotton OK-Caddo OK-Comanche OK-
Wichita TX-Archer TX-Foard TX-Knox TX-Wilbarger TX-Baylor TX-
132 AM CDT Wed Aug 9 2023

...Strong thunderstorms will impact portions of Comanche, west
central Grady, southern Caddo, western Cotton, eastern Kiowa,
southeastern Tillman, northwestern Archer, Wichita, southeastern
Foard, Knox, southern Wilbarger and northern Baylor Counties through
200 AM CDT...

At 132 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Anadarko to near Grandfield to 6 miles
east of Lake Kemp to 8 miles west of Benjamin. Movement was east at
40 mph.

HAZARD...Wind gusts of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Northwestern Wichita Falls, Lawton, Chickasha, Burkburnett, Anadarko,
Seymour, Walters, Munday, Knox City, Benjamin, Iowa Park, Cache,
Electra, Elgin, Apache, Geronimo, Fletcher, Cyril, Grandfield, and
Sterling.

This includes Interstate 44 between mile markers 0 and 72.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3340 9999 3365 9999 3392 9936 3428 9894
      3500 9860 3514 9794 3423 9835 3373 9882
      3346 9957 3340 9991
TIME...MOT...LOC 0632Z 271DEG 35KT 3506 9822 3425 9870 3379 9912 3354
9993

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

WR

Special weather statement, Aug 9, 1:57 AM CDT, 0 minutes before

Special Weather Statement
National Weather Service Norman OK
157 AM CDT Wed Aug 9 2023

OKZ024-025-090730-
Oklahoma OK-Canadian OK-
157 AM CDT Wed Aug 9 2023

...A strong thunderstorm will impact portions of northwestern
Oklahoma and Canadian Counties through 230 AM CDT...

At 157 AM CDT, Doppler radar was tracking a strong thunderstorm 4
miles east of El Reno, moving east at 50 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Oklahoma City, western Edmond, El Reno, Yukon, Bethany, Warr Acres,
The Village, Piedmont, Nichols Hills, Calumet, Concho, Forest Park,
Woodlawn Park, Richland, The Capitol, Wiley Post Airport, The
Fairgrounds, and Downtown Edmond.

This includes the following highways...
 Interstate 35 between mile markers 129 and 134.
 Interstate 40 between mile markers 112 and 149.
 Interstate 44 between mile markers 120 and 130.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3539 9816 3570 9822 3572 9747 3547 9745
TIME...MOT...LOC 0657Z 260DEG 44KT 3550 9789

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

WR

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 8, 11:13 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Beckham, Greer, Harmon, Jackson, Roger Mills	47 min
Aug 8, 11:50 PM CDT	Severe Thunderstorm Warning	OUN	Greer, Harmon, Jackson, Kiowa, Tillman	40 min
Aug 9, 12:00 AM CDT	Special Weather Statement	OUN	Beckham, Roger Mills	30 min
Aug 9, 12:13 AM CDT	Severe Thunderstorm Warning	OUN	Beckham, Custer, Greer, Roger Mills, Washita	47 min
Aug 9, 12:17 AM CDT	Special Weather Statement	OUN	Tillman	43 min
Aug 9, 12:29 AM CDT	Severe Thunderstorm Warning	OUN	Comanche, Greer, Jackson, Kiowa, Tillman	46 min
Aug 9, 12:46 AM CDT	Special Weather Statement	OUN	Tillman	29 min
Aug 9, 12:51 AM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Blaine, Caddo, Canadian, Custer, Jackson, Kiowa and 1 more	39 min
Aug 9, 12:54 AM CDT	Special Weather Statement	OUN	Comanche, Tillman	51 min
Aug 9, 1:28 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Caddo, Canadian, Custer, Grady, Kingfisher and 1 more	32 min
Aug 9, 1:32 AM CDT	Special Weather Statement	OUN	Comanche, Cotton	28 min
Aug 9, 1:48 AM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian, Cleveland, Grady, McClain, Oklahoma	23 min
Aug 9, 2:00 AM CDT	Special Weather Statement	OUN	Cotton, Grady	30 min
Aug 9, 2:12 AM CDT	Special Weather Statement	OUN	Canadian	18 min
Aug 9, 2:34 AM CDT	Special Weather Statement	OUN	Caddo, Canadian, Cleveland, Comanche, Grady, Logan and 2 more	56 min
Aug 9, 3:12 AM CDT	Special Weather Statement	OUN	Comanche	18 min
Aug 9, 3:21 AM CDT	Severe Thunderstorm Warning	OUN	Comanche	24 min
Aug 9, 3:31 AM CDT	Special Weather Statement	OUN	Lincoln	14 min
Aug 9, 3:45 AM CDT	Special Weather Statement	OUN	Comanche	30 min
Aug 9, 4:57 PM CDT	Special Weather Statement	OUN	Jefferson	33 min
Aug 9, 5:02 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Jefferson, Love	43 min
Aug 9, 5:43 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Johnston, Love, Marshall	47 min
Aug 9, 6:09 PM CDT	Severe Thunderstorm Warning	OUN	Love	21 min
Aug 9, 6:30 PM CDT	Severe Thunderstorm Warning	OUN	Love, Marshall	45 min
Aug 9, 6:55 PM CDT	Severe Thunderstorm Warning	OUN	Bryan, Love, Marshall	50 min
Aug 8, 11:45 PM CDT	Special Weather Statement	OUN	Foard, Hardeman	30 min
Aug 9, 4:30 AM CDT	Special Weather Statement	OUN	Clay	30 min

Nearby

Special Weather Statements in Oklahoma, 2023 Every special weather statement in 2023

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.