Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Norman, OK

June 8, 2021Foard County, Hardeman County, Knox County, Texas

NWS Norman, OK issued this special weather statement at Jun 8, 2021, 12:57 AM CDT for Foard County, Hardeman County, Knox County, Texas. 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: Jun 8, 2021, 12:57 AM CDT (05:57 UTC)
Expired: Jun 8, 2021, 1:30 AM CDT
In force: 33 min
Issued by: NWS Norman, OK

Counties Foard County, TX, Hardeman County, TX, Knox County, TX

The radar

The Altus AFB radar (KFDR), 94 km from the middle of the area, began a volume at 05:57 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 6.0 hours before the alert went out and 209 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: 1124 J/kg
Mixed-layer CIN: -114 J/kg
Mixed-layer LCL: 2448 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 75 m²/s²
0-3 km storm-relative helicity: 150 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.8

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 Jun 7, 10:52 PM CDT, 2 hours 5 minutes earlier.

Area forecast discussion, Jun 7, 10:52 PM CDT, 2 hours 5 minutes before

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Hazardous weather outlook, Jun 7, 9:29 PM CDT, 3 hours 28 minutes before

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In the hours before

Local storm report, Jun 7, 10:42 PM CDT, 2 hours 15 minutes before

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Special weather statement, Jun 8, 12:57 AM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
1257 AM CDT Tue Jun 8 2021

TXZ083-084-087-080630-
Foard TX-Knox TX-Hardeman TX-
1257 AM CDT Tue Jun 8 2021

...SIGNIFICANT WEATHER ADVISORY FOR Foard...northern Knox and
southern Hardeman Counties Until 130 AM CDT...

AT 1253 AM CDT, strong thunderstorms were along a line extending from
near Kirkland to 9 miles east of Chalk, moving southeast at 50 MPH.

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

LAT...LON 3423 10005 3424 10001 3423 10000 3444 10000
      3427 9955 3353 9953 3359 9999 3383 10000
      3384 10005
TIME...MOT...LOC 0553Z 296DEG 41KT 3436 10009 3391 10008

..speg.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 10:17 PM CDT	Areal Flood Warning	OUN	Comanche, Cotton, Tillman	12 hr
Jun 8, 6:13 AM CDT	River Flood Advisory	OUN	Cotton	15 hr
Jun 8, 1:31 AM CDT	Special Weather Statement	OUN	Baylor, Foard, Hardeman, Knox, Wilbarger	29 min
Jun 8, 2:09 AM CDT	Special Weather Statement	OUN	Archer, Baylor, Knox, Wichita, Wilbarger	51 min
Jun 8, 5:44 AM CDT	Special Weather Statement	OUN	Foard, Knox	31 min
Jun 8, 5:59 AM CDT	Special Weather Statement	OUN	Baylor	31 min

Nearby

Special Weather Statements in Texas, 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.