Alert archive / Texas / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 402, NWS Norman, OK

May 19, 2017Baylor County, Wilbarger County, Texas

NWS Norman, OK issued this severe thunderstorm warning at May 19, 2017, 6:14 AM CDT for Baylor County, Wilbarger County, Texas. It was in force for 31 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: May 19, 2017, 6:14 AM CDT (11:14 UTC)
Expired: May 19, 2017, 6:45 AM CDT
In force: 31 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

Counties Baylor County, TX, Wilbarger County, TX

The radar

The Altus AFB radar (KFDR), 62 km from the middle of the area, began a volume at 11:14 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

Fort Worth, TX (KFWD), launched 00:00Z, 11.2 hours before the alert went out and 212 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: 1519 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 1729 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 154 m²/s²
0-3 km storm-relative helicity: 211 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 16.4

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 May 19, 3:57 AM CDT, 2 hours 17 minutes earlier.

Area forecast discussion, May 19, 3:57 AM CDT, 2 hours 17 minutes before

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Hazardous weather outlook, May 19, 4:57 AM CDT, 1 hour 17 minutes before

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In the hours before

Local storm report, May 19, 2:18 AM CDT, 3 hours 56 minutes before

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Local storm report, May 19, 2:23 AM CDT, 3 hours 51 minutes before

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Local storm report, May 19, 2:25 AM CDT, 3 hours 49 minutes before

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Local storm report, May 19, 2:27 AM CDT, 3 hours 47 minutes before

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Local storm report, May 19, 3:11 AM CDT, 3 hours 3 minutes before

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Special weather statement, May 19, 6:07 AM CDT, 7 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
May 18, 7:05 PM CDT	Areal Flood Advisory	OUN	Comanche, Cotton, Jefferson, Stephens, Tillman	3 hr
May 18, 7:13 PM CDT	Tornado Warning	OUN	Alfalfa, Woods	32 min
May 18, 7:15 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Major, Woods	45 min
May 18, 7:16 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Oklahoma	29 min
May 18, 7:18 PM CDT	Special Weather Statement	OUN	Garfield	27 min
May 18, 7:24 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, McClain, Oklahoma	51 min
May 18, 7:27 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln	33 min
May 18, 7:34 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Cotton, Garvin, Grady, Jefferson, Murray and 2 more	41 min
May 18, 7:40 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Grant	65 min
May 18, 7:43 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Lincoln, Oklahoma, Pottawatomie	47 min
May 18, 7:49 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, McClain	26 min
May 18, 7:55 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Garfield, Grant, Major	50 min
May 18, 8:00 PM CDT	Areal Flood Advisory	OUN	Cleveland, McClain, Pottawatomie	3 hr
May 18, 8:12 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Garvin, Grady, Jefferson, Love, Murray and 2 more	48 min
May 18, 8:16 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, McClain	44 min
May 18, 8:19 PM CDT	Flash Flood Warning	OUN	Cotton, Jefferson, Stephens	3 hr
May 18, 8:24 PM CDT	Severe Thunderstorm Warning	OUN	Pottawatomie	51 min
May 18, 8:33 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln	42 min
May 18, 8:37 PM CDT	Severe Thunderstorm Warning	OUN	Cotton, Tillman	53 min
May 18, 8:45 PM CDT	Special Weather Statement	OUN	Grant	30 min
May 18, 8:45 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Oklahoma, Pottawatomie	30 min
May 18, 8:53 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Coal, Garvin, Hughes, Johnston, Murray and 1 more	52 min
May 18, 8:56 PM CDT	Special Weather Statement	OUN	Alfalfa	49 min
May 18, 8:58 PM CDT	Special Weather Statement	OUN	Lincoln, Pottawatomie, Seminole	47 min
May 18, 9:08 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Jefferson	52 min
May 18, 9:11 PM CDT	Areal Flood Advisory	OUN	Carter, Murray	3 hr
May 18, 9:14 PM CDT	Severe Thunderstorm Warning	OUN	Hughes, Seminole	46 min
May 18, 9:17 PM CDT	Severe Thunderstorm Warning	OUN	Cotton, Jefferson, Stephens	43 min
May 18, 9:33 PM CDT	Severe Thunderstorm Warning	OUN	Atoka, Coal, Hughes, Pontotoc	27 min
May 18, 9:39 PM CDT	Special Weather Statement	OUN	Grant	36 min
May 18, 9:40 PM CDT	Tornado Warning	OUN	Jefferson	20 min
May 18, 9:48 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Coal, Johnston, Marshall, Murray, Pontotoc	42 min
May 18, 9:51 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Jefferson, Love	39 min
May 18, 9:55 PM CDT	Severe Thunderstorm Warning	OUN	Atoka, Coal, Hughes	35 min
May 18, 9:59 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Garvin, Stephens	46 min
May 18, 10:14 PM CDT	Areal Flood Advisory	OUN	Carter, Coal, Hughes, Johnston, Murray, Pontotoc	3 hr
May 18, 10:21 PM CDT	Special Weather Statement	OUN	Grant	24 min
May 18, 10:26 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Johnston, Murray	49 min
May 18, 10:40 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Love	50 min
May 18, 10:50 PM CDT	Severe Thunderstorm Warning	OUN	Atoka, Coal, Johnston, Pontotoc	40 min
May 18, 10:54 PM CDT	Tornado Warning	OUN	Carter, Love	36 min
May 18, 11:06 PM CDT	Tornado Warning	OUN	Coal, Johnston, Pontotoc	11 min
May 18, 11:20 PM CDT	Tornado Warning	OUN	Love, Marshall	25 min
May 18, 11:26 PM CDT	Severe Thunderstorm Warning	OUN	Atoka, Coal, Johnston	49 min
May 18, 11:32 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Johnston, Marshall	43 min
May 18, 11:41 PM CDT	Tornado Warning	OUN	Johnston, Marshall	34 min
May 19, 12:04 AM CDT	Severe Thunderstorm Warning	OUN	Atoka, Coal, Johnston	23 min
May 19, 12:35 AM CDT	Special Weather Statement	OUN	Canadian	25 min
May 19, 1:05 AM CDT	Special Weather Statement	OUN	Canadian	25 min
May 19, 1:13 AM CDT	Severe Thunderstorm Warning	OUN	Canadian, Logan, Oklahoma	47 min
May 19, 1:55 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Caddo, Canadian, Kingfisher, Lincoln, Logan and 2 more	50 min
May 19, 2:16 AM CDT	River Flood Warning	OUN	Pottawatomie, Seminole	23 hr
May 19, 2:26 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Canadian, Kingfisher, Lincoln, Logan, Oklahoma and 1 more	49 min
May 19, 2:32 AM CDT	Areal Flood Advisory	OUN	Logan, Oklahoma	118 min
May 19, 3:15 AM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Logan, Payne	45 min
May 19, 3:37 AM CDT	Areal Flood Advisory	OUN	Lincoln, Logan, Payne	113 min
May 19, 6:44 AM CDT	Special Weather Statement	OUN	Tillman	31 min
May 19, 6:57 AM CDT	Special Weather Statement	OUN	Tillman	33 min
May 19, 8:04 AM CDT	Special Weather Statement	OUN	Caddo	41 min
May 19, 8:31 AM CDT	Special Weather Statement	OUN	Canadian, Kingfisher	44 min
May 19, 8:51 AM CDT	Special Weather Statement	OUN	Jefferson	39 min
May 19, 9:22 AM CDT	Special Weather Statement	OUN	Comanche, Cotton, Tillman	38 min
May 19, 9:27 AM CDT	Special Weather Statement	OUN	Garfield, Kingfisher, Major	48 min
May 19, 9:30 AM CDT	Special Weather Statement	OUN	Carter, Garvin, Jefferson, Murray, Pontotoc	45 min
May 19, 9:45 AM CDT	Special Weather Statement	OUN	Cleveland, Oklahoma	30 min
May 19, 10:03 AM CDT	Special Weather Statement	OUN	Alfalfa, Garfield, Grant	42 min
May 19, 10:07 AM CDT	River Flood Warning	OUN	Major, Woods, Woodward	15 hr
May 19, 11:15 AM CDT	Special Weather Statement	OUN	Hughes	45 min
May 19, 11:19 AM CDT	Special Weather Statement	OUN	Cleveland, Oklahoma	26 min
May 19, 12:05 PM CDT	Special Weather Statement	OUN	Cotton	25 min
May 19, 12:44 PM CDT	Special Weather Statement	OUN	Garvin	46 min
May 19, 2:07 PM CDT	Special Weather Statement	OUN	Cotton, Jefferson	38 min
May 19, 2:53 PM CDT	Special Weather Statement	OUN	Cotton	67 min
May 19, 3:00 PM CDT	Severe Thunderstorm Warning	OUN	Jefferson, Love	45 min
May 19, 3:03 PM CDT	Severe Thunderstorm Warning	OUN	Tillman	42 min
May 19, 3:28 PM CDT	Special Weather Statement	OUN	Garvin	32 min
May 19, 3:36 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Jefferson, Tillman	54 min
May 19, 3:39 PM CDT	Special Weather Statement	OUN	Cleveland	36 min
May 19, 3:56 PM CDT	Special Weather Statement	OUN	Carter	34 min
May 19, 4:03 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Garvin, Murray	42 min

Nearby

Severe Thunderstorm Warnings in Texas, 2017 Every severe thunderstorm warning in 2017

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.