Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 217, NWS Tulsa, OK

June 19, 2019LeFlore County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 19, 2019, 10:58 PM CDT for LeFlore County, Oklahoma. It was in force for 36 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: Jun 19, 2019, 10:58 PM CDT (03:58 UTC)
Expired: Jun 19, 2019, 11:34 PM CDT
In force: 36 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Hail: 2.0 in
Wind: 60.0 mph

County LeFlore County, OK

The radar

The Western Arkansas radar (KSRX), 53 km from the middle of the area, began a volume at 04:01 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

Shreveport, LA (KSHV), launched 00:00Z, 4.0 hours before the alert went out and 283 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: 2383 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 1291 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 177 m²/s²
Significant tornado parameter: 1.2
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 Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 19, 6:15 PM CDT, 4 hours 43 minutes earlier.

Area forecast discussion, Jun 19, 6:15 PM CDT, 4 hours 43 minutes before

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Hazardous weather outlook, Jun 19, 5:49 PM CDT, 5 hours 9 minutes before

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In the hours before

Special weather statement, Jun 19, 5:55 PM CDT, 5 hours 3 minutes before

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Special weather statement, Jun 19, 6:01 PM CDT, 4 hours 57 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 19, 7:00 PM CDT	Special Weather Statement	TSA	Pushmataha	30 min
Jun 19, 7:10 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw	25 min
Jun 19, 7:22 PM CDT	Special Weather Statement	TSA	Choctaw	23 min
Jun 19, 7:34 PM CDT	Special Weather Statement	TSA	Choctaw	26 min
Jun 19, 7:40 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw	35 min
Jun 19, 7:45 PM CDT	Areal Flood Advisory	TSA	Choctaw	3 hr
Jun 19, 8:05 PM CDT	Special Weather Statement	TSA	Pushmataha	25 min
Jun 19, 10:00 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw	23 min
Jun 19, 10:39 PM CDT	Special Weather Statement	TSA	LeFlore	36 min
Jun 19, 10:46 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore, Pushmataha	44 min
Jun 19, 11:10 PM CDT	Special Weather Statement	TSA	Pushmataha	50 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2019 Every severe thunderstorm warning in 2019

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.