Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 280, NWS Norman, OK

October 2, 2014Hughes County, Pontotoc County, Seminole County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Oct 2, 2014, 2:34 PM CDT for Hughes County, Pontotoc County, Seminole County, Oklahoma. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Oct 2, 2014, 2:34 PM CDT (19:34 UTC)
Expired: Oct 2, 2014, 3:15 PM CDT
In force: 41 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Hughes County, OK, Pontotoc County, OK, Seminole County, OK

The radar

The Norman radar (KTLX), 80 km from the middle of the area, began a volume at 19:37 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Oct 2, 12:20 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 7.6 hours before the alert went out and 85 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: 1730 J/kg
Mixed-layer CIN: -141 J/kg
Mixed-layer LCL: 1089 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 356 m²/s²
0-3 km storm-relative helicity: 342 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 10.7

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Oct 2, 12:33 PM CDT, 2 hours 1 minute earlier.

Area forecast discussion, Oct 2, 12:33 PM CDT, 2 hours 1 minute before

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Hazardous weather outlook, Oct 2, 12:12 PM CDT, 2 hours 22 minutes before

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In the hours before

Special weather statement, Oct 2, 11:15 AM CDT, 3 hours 19 minutes before

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Local storm report, Oct 2, 12:22 PM CDT, 2 hours 12 minutes before

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Special weather statement, Oct 2, 2:01 PM CDT, 33 minutes before

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Special weather statement, Oct 2, 2:06 PM CDT, 28 minutes before

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Special weather statement, Oct 2, 2:28 PM CDT, 6 minutes before

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Special weather statement, Oct 2, 2:30 PM CDT, 4 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 1, 9:26 PM CDT	Special Weather Statement	OUN	Caddo	34 min
Oct 1, 9:36 PM CDT	Special Weather Statement	OUN	Tillman	24 min
Oct 1, 9:40 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Tillman	50 min
Oct 1, 9:45 PM CDT	Special Weather Statement	OUN	Tillman	30 min
Oct 1, 9:49 PM CDT	Special Weather Statement	OUN	Blaine	26 min
Oct 1, 10:03 PM CDT	Special Weather Statement	OUN	Caddo	27 min
Oct 1, 10:13 PM CDT	Special Weather Statement	OUN	Tillman	47 min
Oct 1, 10:27 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton	15 min
Oct 1, 10:31 PM CDT	Special Weather Statement	OUN	Canadian	29 min
Oct 1, 10:59 PM CDT	Special Weather Statement	OUN	Canadian	31 min
Oct 1, 11:02 PM CDT	Special Weather Statement	OUN	Jackson	28 min
Oct 1, 11:09 PM CDT	Special Weather Statement	OUN	Kay	36 min
Oct 1, 11:12 PM CDT	Severe Thunderstorm Warning	OUN	Jackson, Kiowa, Tillman	27 min
Oct 1, 11:15 PM CDT	Severe Thunderstorm Warning	OUN	Kay	45 min
Oct 1, 11:57 PM CDT	Special Weather Statement	OUN	Tillman	33 min
Oct 2, 12:01 AM CDT	Special Weather Statement	OUN	Kay	29 min
Oct 2, 12:17 AM CDT	Special Weather Statement	OUN	McClain	28 min
Oct 2, 12:30 AM CDT	Special Weather Statement	OUN	Tillman	30 min
Oct 2, 12:49 AM CDT	Special Weather Statement	OUN	Comanche	26 min
Oct 2, 1:17 AM CDT	Special Weather Statement	OUN	Garvin	28 min
Oct 2, 1:55 AM CDT	Special Weather Statement	OUN	Oklahoma	35 min
Oct 2, 1:56 AM CDT	Special Weather Statement	OUN	Grady	34 min
Oct 2, 2:16 AM CDT	Special Weather Statement	OUN	Cleveland	29 min
Oct 2, 2:30 AM CDT	Special Weather Statement	OUN	Oklahoma	30 min
Oct 2, 2:55 AM CDT	Special Weather Statement	OUN	Lincoln	35 min
Oct 2, 3:25 AM CDT	Special Weather Statement	OUN	Payne	20 min
Oct 2, 3:39 AM CDT	Special Weather Statement	OUN	Lincoln	36 min
Oct 2, 9:32 AM CDT	Special Weather Statement	OUN	Seminole	13 min
Oct 2, 9:36 AM CDT	Special Weather Statement	OUN	Cleveland	24 min
Oct 2, 9:44 AM CDT	Severe Thunderstorm Warning	OUN	Carter, Jefferson, Stephens	36 min
Oct 2, 9:58 AM CDT	Special Weather Statement	OUN	Cleveland	32 min
Oct 2, 10:12 AM CDT	Severe Thunderstorm Warning	OUN	Carter, Garvin, Murray, Stephens	19 min
Oct 2, 10:14 AM CDT	Special Weather Statement	OUN	Carter, Murray	31 min
Oct 2, 10:45 AM CDT	Special Weather Statement	OUN	Pontotoc	45 min
Oct 2, 11:15 AM CDT	Special Weather Statement	OUN	Hughes, Seminole	45 min
Oct 2, 2:00 PM CDT	Severe Thunderstorm Warning	OUN	Coal, Hughes, Pontotoc	45 min
Oct 2, 2:01 PM CDT	Special Weather Statement	OUN	Hughes	29 min
Oct 2, 2:06 PM CDT	Special Weather Statement	OUN	Marshall	24 min
Oct 2, 2:28 PM CDT	Special Weather Statement	OUN	Johnston, Marshall	32 min
Oct 2, 2:30 PM CDT	Special Weather Statement	OUN	Atoka	30 min
Oct 2, 2:51 PM CDT	Special Weather Statement	OUN	Bryan	24 min
Oct 2, 2:57 PM CDT	Severe Thunderstorm Warning	OUN	Bryan, Johnston, Love, Marshall	48 min
Oct 2, 3:04 PM CDT	Special Weather Statement	OUN	Coal	26 min
Oct 2, 3:08 PM CDT	Severe Thunderstorm Warning	OUN	Coal, Johnston, Pontotoc	52 min
Oct 2, 3:14 PM CDT	Special Weather Statement	OUN	Atoka, Bryan	46 min
Oct 2, 3:31 PM CDT	Special Weather Statement	OUN	Hughes	29 min
Oct 2, 3:47 PM CDT	Special Weather Statement	OUN	Johnston	28 min
Oct 2, 3:51 PM CDT	Severe Thunderstorm Warning	OUN	Atoka, Bryan	39 min
Oct 2, 3:52 PM CDT	Severe Thunderstorm Warning	OUN	Atoka, Coal, Johnston	16 min
Oct 2, 3:54 PM CDT	Severe Thunderstorm Warning	OUN	Coal, Hughes	33 min
Oct 2, 4:07 PM CDT	Special Weather Statement	OUN	Johnston	23 min
Oct 1, 9:16 PM CDT	Special Weather Statement	OUN	Wilbarger	29 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2014 Every severe thunderstorm warning in 2014

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.