Alert archive / Oklahoma / Heat Advisories in 2013

Heat Advisory 7, NWS Tulsa, OK

July 23, 201322 counties in Oklahoma

NWS Tulsa, OK issued this heat advisory at Jul 23, 2013, 4:02 AM CDT for 22 counties in Oklahoma. It took effect at Jul 23, 2013, 11:00 AM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Jul 23, 2013, 4:02 AM CDT (09:02 UTC)
In effect from: Jul 23, 2013, 11:00 AM CDT
Expired: Jul 23, 2013, 8:00 PM CDT
In force: 9 hr
Issued by: NWS Tulsa, OK

All 22 counties

Adair County, OK, Cherokee County, OK, Choctaw County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Haskell County, OK, Latimer County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Ottawa County, OK, Pawnee County, OK, Pittsburg County, OK, Pushmataha County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 40 km from the middle of the area, began a volume at 09:05 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

Springfield, MO (KSGF), launched 00:00Z, 9.0 hours before the alert went out and 197 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: 162 J/kg
Mixed-layer CIN: -340 J/kg
Mixed-layer LCL: 1801 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 109 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 23, 3:19 AM CDT, 43 minutes earlier.

Area forecast discussion, Jul 23, 3:19 AM CDT, 43 minutes before

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Hazardous weather outlook, Jul 22, 10:05 PM CDT, 5 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
Jul 23, 4:05 PM CDT	Special Weather Statement	TSA	Choctaw	40 min
Jul 23, 4:09 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw	51 min
Jul 23, 4:50 PM CDT	Special Weather Statement	TSA	Craig	25 min
Jul 23, 4:50 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw	40 min
Jul 23, 4:59 PM CDT	Special Weather Statement	TSA	LeFlore	31 min
Jul 23, 5:09 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	36 min
Jul 23, 5:17 PM CDT	Severe Thunderstorm Warning	TSA	Craig	58 min
Jul 23, 6:25 PM CDT	Special Weather Statement	TSA	Wagoner	35 min
Jul 23, 6:41 PM CDT	Severe Thunderstorm Warning	TSA	Madison	34 min

Nearby

Heat Advisories in Oklahoma, 2013 Heat Advisories in Arkansas, 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.