Alert archive / Oklahoma / Special Weather Statements in 2016

Special Weather Statement, NWS Norman, OK

July 30, 2016Harper County, Oklahoma

NWS Norman, OK issued this special weather statement at Jul 30, 2016, 3:13 AM CDT for Harper County, Oklahoma. It was in force for 32 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
Jul 30, 2016, 3:13 AM CDT (08:13 UTC)
Expired
Jul 30, 2016, 3:45 AM CDT
In force
32 min
Issued by
NWS Norman, OK

County Harper County, OK

The radar

The Dodge City radar (KDDC), 129 km from the middle of the area, began a volume at 08:14 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, 8.2 hours before the alert went out and 245 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, Amarillo Airport, TX at 00:00Z on 2016-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1599 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, Amarillo Airport, TX at 00:00Z on 2016-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
1599 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
1865 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
127 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

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 Jul 29, 10:55 PM CDT, 4 hours 18 minutes earlier.

Area forecast discussion, Jul 29, 10:55 PM CDT, 4 hours 18 minutes before
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Hazardous weather outlook, Jul 29, 6:00 PM CDT, 9 hours 13 minutes before
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In the hours before

Local storm report, Jul 29, 9:18 PM CDT, 5 hours 55 minutes before
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Special weather statement, Jul 30, 2:59 AM CDT, 14 minutes before
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Special weather statement, Jul 30, 3:13 AM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 30, 2:59 AM CDTSpecial Weather StatementOUNGreer31 min
Jul 30, 3:34 AM CDTSpecial Weather StatementOUNBeckham, Harmon41 min
Jul 30, 3:47 AM CDTSpecial Weather StatementOUNWoodward28 min
Jul 30, 4:13 AM CDTSpecial Weather StatementOUNWoodward32 min
Jul 30, 4:17 AM CDTSpecial Weather StatementOUNGreer, Harmon28 min
Jul 30, 4:42 AM CDTAreal Flood AdvisoryOUNBeckham, Greer, Harmon2 hr
Jul 30, 5:22 AM CDTAreal Flood AdvisoryOUNWoodward113 min
Jul 30, 5:26 AM CDTSpecial Weather StatementOUNCuster49 min
Jul 30, 5:27 AM CDTSpecial Weather StatementOUNWoodward48 min
Jul 30, 7:51 AM CDTAreal Flood AdvisoryOUNGarfield, Kingfisher, Logan3 hr
Jul 30, 4:46 PM CDTSpecial Weather StatementOUNMurray29 min
Jul 30, 5:05 PM CDTSpecial Weather StatementOUNHughes25 min
Jul 30, 5:18 PM CDTSpecial Weather StatementOUNPontotoc27 min
Jul 30, 5:20 PM CDTSpecial Weather StatementOUNHarmon40 min
Jul 30, 5:21 PM CDTSpecial Weather StatementOUNComanche39 min
Jul 30, 5:22 PM CDTSpecial Weather StatementOUNKiowa38 min
Jul 30, 5:31 PM CDTSpecial Weather StatementOUNPontotoc44 min
Jul 30, 5:59 PM CDTSpecial Weather StatementOUNComanche31 min
Jul 30, 6:26 PM CDTSpecial Weather StatementOUNAtoka34 min
Jul 30, 6:27 PM CDTSpecial Weather StatementOUNHughes33 min
Jul 30, 6:46 PM CDTSpecial Weather StatementOUNMurray29 min
Jul 30, 6:54 PM CDTSpecial Weather StatementOUNPottawatomie36 min

Nearby

Special Weather Statements in Oklahoma, 2016Every special weather statement in 2016

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.