Alert archive / Arkansas / Special Weather Statements in 2017

Special Weather Statement, NWS Tulsa, OK

July 2, 2017Sebastian County, Arkansas

NWS Tulsa, OK issued this special weather statement at Jul 2, 2017, 10:26 PM CDT for Sebastian County, Arkansas. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 2, 2017, 10:26 PM CDT (03:26 UTC)
Expired: Jul 2, 2017, 11:00 PM CDT
In force: 34 min
Issued by: NWS Tulsa, OK

County Sebastian County, AR

The radar

The Western Arkansas radar (KSRX), 7 km from the middle of the area, began a volume at 03:28 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, 3.4 hours before the alert went out and 187 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: 145 J/kg
Mixed-layer CIN: -107 J/kg
Mixed-layer LCL: 1948 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: -28 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 2, 7:32 PM CDT, 2 hours 54 minutes earlier.

Area forecast discussion, Jul 2, 7:32 PM CDT, 2 hours 54 minutes before

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Hazardous weather outlook, Jul 2, 8:45 PM CDT, 1 hour 41 minutes before

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In the hours before

Special weather statement, Jul 2, 9:26 PM CDT, 1 hour before

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Special weather statement, Jul 2, 9:29 PM CDT, 57 minutes before

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Local storm report, Jul 2, 9:38 PM CDT, 48 minutes before

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Special weather statement, Jul 2, 9:57 PM CDT, 29 minutes before

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Special weather statement, Jul 2, 10:00 PM CDT, 26 minutes before

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Special weather statement, Jul 2, 10:26 PM CDT, 0 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 2, 7:07 PM CDT	Areal Flood Advisory	TSA	Adair, Sequoyah	3 hr
Jul 2, 7:26 PM CDT	Special Weather Statement	TSA	Craig, Delaware, Mayes, Ottawa	49 min
Jul 2, 7:31 PM CDT	Special Weather Statement	TSA	Adair, Cherokee, Sequoyah	29 min
Jul 2, 7:36 PM CDT	Areal Flood Advisory	TSA	Craig, Delaware, Ottawa	3 hr
Jul 2, 7:52 PM CDT	Areal Flood Advisory	TSA	Latimer, Pittsburg, Pushmataha	4 hr
Jul 2, 7:53 PM CDT	Special Weather Statement	TSA	Atoka	37 min
Jul 2, 7:58 PM CDT	Special Weather Statement	TSA	Adair, Sequoyah	32 min
Jul 2, 8:25 PM CDT	Special Weather Statement	TSA	Pushmataha	35 min
Jul 2, 8:58 PM CDT	Special Weather Statement	TSA	Latimer	32 min
Jul 2, 9:26 PM CDT	Special Weather Statement	TSA	Pushmataha	34 min
Jul 2, 9:29 PM CDT	Special Weather Statement	TSA	Latimer, LeFlore	31 min
Jul 2, 9:57 PM CDT	Special Weather Statement	TSA	LeFlore	33 min
Jul 2, 10:00 PM CDT	Special Weather Statement	TSA	Choctaw, Pushmataha	45 min
Jul 2, 10:43 PM CDT	Special Weather Statement	TSA	Choctaw	32 min
Jul 3, 2:04 AM CDT	Flash Flood Warning	TSA	Choctaw, Pushmataha	9 hr
Jul 3, 7:58 AM CDT	Areal Flood Advisory	TSA	Latimer, LeFlore, Pushmataha	3 hr
Jul 3, 6:07 PM CDT	Special Weather Statement	TSA	Osage	23 min
Jul 3, 6:53 PM CDT	Areal Flood Advisory	TSA	Osage, Rogers, Tulsa, Washington	3 hr
Jul 3, 6:55 PM CDT	Special Weather Statement	TSA	Pawnee	35 min
Jul 2, 7:08 PM CDT	Special Weather Statement	TSA	Crawford	37 min
Jul 2, 8:03 PM CDT	Flash Flood Warning	TSA	Benton	4 hr
Jul 2, 8:07 PM CDT	Special Weather Statement	TSA	Franklin	23 min
Jul 2, 8:08 PM CDT	Areal Flood Advisory	TSA	Crawford, Franklin	3 hr
Jul 2, 8:14 PM CDT	Areal Flood Advisory	TSA	Carroll, Madison	3 hr
Jul 2, 8:14 PM CDT	Special Weather Statement	TSA	Benton, Carroll	31 min
Jul 2, 8:30 PM CDT	Special Weather Statement	TSA	Crawford, Franklin	45 min

Nearby

Special Weather Statements in Arkansas, 2017 Every special weather statement 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.