Alert archive / Oklahoma / Excessive Heat Warnings in 2010

Excessive Heat Warning 2, NWS Tulsa, OK

July 12, 201022 counties in Oklahoma

NWS Tulsa, OK issued this excessive heat warning at Jul 12, 2010, 1:41 PM CDT for 22 counties in Oklahoma. It took effect at Jul 13, 2010, 3:02 AM CDT. It was in force for 11 days. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 12, 2010, 1:41 PM CDT (18:41 UTC)
In effect from: Jul 13, 2010, 3:02 AM CDT
Expired: Jul 23, 2010, 8:57 PM CDT
In force: 11 days
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 18:43 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 12:00Z, 6.7 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: 2828 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 580 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 97 m²/s²
0-3 km storm-relative helicity: 149 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 excessive heat 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 excessive heat warning went out at Jul 12, 12:23 PM CDT, 1 hour 18 minutes earlier.

Area forecast discussion, Jul 12, 12:23 PM CDT, 1 hour 18 minutes before

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Hazardous weather outlook, Jul 12, 1:02 PM CDT, 39 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 12, 3:31 AM CDT	Special Weather Statement	TSA	Tulsa	29 min
Jul 12, 3:47 AM CDT	Special Weather Statement	TSA	Tulsa, Wagoner	28 min
Jul 12, 4:26 AM CDT	Excessive Heat Watch	TSA	Adair, Cherokee, Choctaw, Craig, Creek, Delaware and 16 more	23 hr
Jul 12, 4:34 PM CDT	Special Weather Statement	TSA	LeFlore	41 min
Jul 12, 4:48 PM CDT	Special Weather Statement	TSA	LeFlore	42 min
Jul 12, 4:14 AM CDT	Flash Flood Watch	TSA	Benton, Carroll, Madison, Washington	27 hr

Nearby

Excessive Heat Warnings in Oklahoma, 2010 Excessive Heat Warnings in Arkansas, 2010 Every excessive heat warning in 2010

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.