Alert archive / Oklahoma / Special Weather Statements in 2018

Special Weather Statement, NWS Norman, OK

August 10, 2018Hughes County, Oklahoma

NWS Norman, OK issued this special weather statement at Aug 10, 2018, 7:12 PM CDT for Hughes 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 10, 2018, 7:12 PM CDT (00:12 UTC)
Expired
Aug 10, 2018, 7:45 PM CDT
In force
33 min
Issued by
NWS Norman, OK

County Hughes County, OK

The radar

The Norman radar (KTLX), 88 km from the middle of the area, began a volume at 00:12 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

Norman, OK (KOUN), launched 00:00Z, 0.2 hours before the alert went out and 93 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-pSkew-T log-p diagram, Norman, OK at 00:00Z on 2018-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1248 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 2018-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1248 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
1846 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

305 
WWUS84 KOUN 110012
SPSOUN

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
712 PM CDT FRI AUG 10 2018
 
OKZ031-032-042-110045-
Pontotoc OK-Hughes OK-Seminole OK-
712 PM CDT FRI AUG 10 2018

...SIGNIFICANT WEATHER ADVISORY FOR northeastern Pontotoc...
southwestern Hughes and southeastern Seminole Counties Until 745 PM
CDT....

AT 707 PM CDT, a strong thunderstorm was located near Sasakwa. This
storm was nearly stationary.

HAZARDS INCLUDE...
Hail up to one-half inch diameter... 
Wind gusts to 50 MPH...

LAT...LON 3505 9635 3486 9628 3480 9653 3500 9664
TIME...MOT...LOC 0007Z 69DEG 2KT 3493 9647 

$$

MAD

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 10, 7:29 PM CDTSpecial Weather StatementOUNCanadian31 min
Aug 10, 7:32 PM CDTSpecial Weather StatementOUNKay28 min
Aug 10, 7:36 PM CDTSpecial Weather StatementOUNMajor24 min
Aug 10, 7:38 PM CDTSpecial Weather StatementOUNKiowa37 min
Aug 10, 7:53 PM CDTSevere Thunderstorm WarningOUNKiowa52 min
Aug 10, 8:24 PM CDTSpecial Weather StatementOUNKay36 min
Aug 10, 8:35 PM CDTSpecial Weather StatementOUNKiowa25 min
Aug 11, 1:28 PM CDTSpecial Weather StatementOUNLincoln32 min
Aug 11, 1:40 PM CDTSpecial Weather StatementOUNCuster35 min
Aug 11, 1:56 PM CDTSpecial Weather StatementOUNOklahoma34 min
Aug 11, 2:00 PM CDTSpecial Weather StatementOUNCuster30 min
Aug 11, 2:31 PM CDTSpecial Weather StatementOUNOklahoma29 min
Aug 11, 2:34 PM CDTSpecial Weather StatementOUNCuster26 min
Aug 11, 2:51 PM CDTSpecial Weather StatementOUNLogan24 min
Aug 11, 2:53 PM CDTSpecial Weather StatementOUNWashita37 min
Aug 11, 3:06 PM CDTSpecial Weather StatementOUNOklahoma24 min
Aug 11, 3:08 PM CDTSpecial Weather StatementOUNLogan22 min
Aug 11, 3:14 PM CDTSpecial Weather StatementOUNCuster16 min
Aug 11, 3:15 PM CDTAreal Flood AdvisoryOUNCleveland, Oklahoma60 min
Aug 11, 3:20 PM CDTSpecial Weather StatementOUNLogan25 min
Aug 11, 3:31 PM CDTSpecial Weather StatementOUNCuster29 min
Aug 11, 3:40 PM CDTSpecial Weather StatementOUNCleveland35 min
Aug 11, 3:54 PM CDTSpecial Weather StatementOUNKingfisher36 min
Aug 11, 3:56 PM CDTSpecial Weather StatementOUNBlaine34 min
Aug 11, 4:00 PM CDTSpecial Weather StatementOUNCleveland30 min
Aug 11, 4:04 PM CDTSevere Thunderstorm WarningOUNBlaine, Caddo41 min
Aug 11, 4:24 PM CDTSpecial Weather StatementOUNKingfisher36 min
Aug 11, 4:26 PM CDTSpecial Weather StatementOUNLincoln34 min
Aug 11, 4:41 PM CDTAreal Flood AdvisoryOUNBlaine, Custer64 min
Aug 11, 4:47 PM CDTSpecial Weather StatementOUNTillman28 min
Aug 11, 4:52 PM CDTSpecial Weather StatementOUNHarmon38 min
Aug 11, 5:12 PM CDTSpecial Weather StatementOUNGrady33 min
Aug 11, 5:19 PM CDTSpecial Weather StatementOUNJackson26 min
Aug 11, 5:37 PM CDTSpecial Weather StatementOUNJackson23 min
Aug 11, 5:42 PM CDTSpecial Weather StatementOUNTillman33 min
Aug 11, 6:18 PM CDTSpecial Weather StatementOUNJackson27 min

Nearby

Special Weather Statements in Oklahoma, 2018Every special weather statement in 2018

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.