Alert archive / Oklahoma / Heat Advisories in 2013

Heat Advisory 2, NWS Tulsa, OK

June 28, 2013Choctaw County, Pushmataha County, Oklahoma

NWS Tulsa, OK issued this heat advisory at Jun 28, 2013, 3:42 AM CDT for Choctaw County, Pushmataha County, Oklahoma. It took effect at Jun 28, 2013, 1:00 PM CDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Jun 28, 2013, 3:42 AM CDT (08:42 UTC)
In effect from: Jun 28, 2013, 1:00 PM CDT
Expired: Jun 28, 2013, 7:00 PM CDT
In force: 6 hr
Issued by: NWS Tulsa, OK

Counties Choctaw County, OK, Pushmataha County, OK

The radar

The Western Arkansas radar (KSRX), 156 km from the middle of the area, began a volume at 08:44 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, 8.7 hours before the alert went out and 209 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: 4074 J/kg
Mixed-layer CIN: -69 J/kg
Mixed-layer LCL: 1868 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: 54 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 4.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this heat advisory 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 heat advisory went out at Jun 28, 2:59 AM CDT, 43 minutes earlier.

Area forecast discussion, Jun 28, 2:59 AM CDT, 43 minutes before

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Hazardous weather outlook, Jun 28, 3:41 AM CDT, 1 minute before

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In the hours before

Special weather statement, Jun 27, 10:16 PM CDT, 5 hours 26 minutes before

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Special weather statement, Jun 27, 11:37 PM CDT, 4 hours 5 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 27, 7:43 PM CDT	Special Weather Statement	TSA	Osage	32 min
Jun 27, 7:58 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee, Washington	47 min
Jun 27, 8:43 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Tulsa, Washington	47 min
Jun 27, 8:47 PM CDT	Special Weather Statement	TSA	Washington	43 min
Jun 27, 9:23 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee	52 min
Jun 27, 9:33 PM CDT	Special Weather Statement	TSA	Tulsa	42 min
Jun 27, 10:16 PM CDT	Special Weather Statement	TSA	Okmulgee	29 min
Jun 27, 11:37 PM CDT	Special Weather Statement	TSA	Osage	83 min

Nearby

Heat Advisories in Oklahoma, 2013 Every heat advisory in 2013

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.