Alert archive / Arkansas / Special Weather Statements in 2012

Special Weather Statement, NWS Tulsa, OK

August 8, 2012Benton County, Arkansas

NWS Tulsa, OK issued this special weather statement at Aug 8, 2012, 10:53 AM CDT for Benton County, Arkansas. It was in force for 37 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: Aug 8, 2012, 10:53 AM CDT (15:53 UTC)
Expired: Aug 8, 2012, 11:30 AM CDT
In force: 37 min
Issued by: NWS Tulsa, OK

County Benton County, AR

The radar

The Tulsa radar (KINX), 106 km from the middle of the area, began a volume at 15:56 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, 3.9 hours before the alert went out and 76 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: -243 J/kg
Mixed-layer LCL: 2303 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -30 m²/s²
0-3 km storm-relative helicity: -26 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Aug 8, 9:54 AM CDT, 59 minutes earlier.

Area forecast discussion, Aug 8, 9:54 AM CDT, 59 minutes before

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Hazardous weather outlook, Aug 8, 5:00 AM CDT, 5 hours 53 minutes before

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In the hours before

Special weather statement, Aug 8, 10:53 AM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1053 AM CDT WED AUG 8 2012

ARZ001-081630-
BENTON AR-
1053 AM CDT WED AUG 8 2012

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 1130 AM CDT
FOR THE FOLLOWING COUNTY...

IN NORTHWEST ARKANSAS
     NORTHWESTERN BENTON

AT 1052 AM CDT...A STRONG THUNDERSTORM WAS CENTERED ABOUT 4 MILES
SOUTHWEST OF SULPHUR SPRINGS...MOVING SOUTHEAST AT 5 MPH. SOME
LOCATIONS THAT WILL BE AFFECTED BY THIS STORM INCLUDE...SULPHUR
SPRINGS...MAYSVILLE...GRAVETTE...DECATUR AND HIWASSE.

THIS STORM WILL BE CAPABLE OF PRODUCING MARBLE SIZE HAIL AND WIND
GUSTS TO 40 MPH.

LAT...LON 3650 9431 3632 9430 3632 9459 3651 9461
TIME...MOT...LOC 1552Z 315DEG 5KT 3645 9451

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 7, 7:06 PM CDT	Special Weather Statement	TSA	Okfuskee	24 min
Aug 7, 7:12 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	33 min
Aug 8, 1:05 PM CDT	Special Weather Statement	TSA	Mayes	40 min
Aug 8, 1:13 PM CDT	Special Weather Statement	TSA	Latimer	32 min
Aug 8, 1:52 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, Pittsburg, Pushmataha	20 min
Aug 8, 2:07 PM CDT	Special Weather Statement	TSA	LeFlore	38 min
Aug 8, 2:11 PM CDT	Special Weather Statement	TSA	LeFlore	34 min
Aug 8, 2:18 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	48 min
Aug 8, 2:21 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	24 min
Aug 8, 2:23 PM CDT	Special Weather Statement	TSA	Latimer	37 min
Aug 8, 2:28 PM CDT	Special Weather Statement	TSA	Sequoyah	47 min
Aug 8, 2:34 PM CDT	Flash Flood Warning	TSA	LeFlore	3 hr
Aug 8, 2:58 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	47 min
Aug 8, 3:29 PM CDT	Special Weather Statement	TSA	Haskell	46 min
Aug 8, 4:08 PM CDT	Special Weather Statement	TSA	Haskell	37 min
Aug 8, 4:20 PM CDT	Special Weather Statement	TSA	Haskell	40 min
Aug 8, 4:43 PM CDT	Special Weather Statement	TSA	Craig	32 min
Aug 8, 4:55 PM CDT	Special Weather Statement	TSA	Latimer, Pittsburg	35 min
Aug 8, 5:03 PM CDT	Special Weather Statement	TSA	McIntosh	42 min
Aug 8, 5:04 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Ottawa	56 min
Aug 8, 5:34 PM CDT	Special Weather Statement	TSA	Ottawa	41 min
Aug 8, 5:34 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, Pittsburg	56 min
Aug 8, 5:38 PM CDT	Special Weather Statement	TSA	Pushmataha	37 min
Aug 8, 5:39 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, Pittsburg	51 min
Aug 8, 5:59 PM CDT	Special Weather Statement	TSA	Delaware	46 min
Aug 8, 6:03 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	42 min
Aug 8, 6:05 PM CDT	Severe Thunderstorm Warning	TSA	Pushmataha	40 min
Aug 8, 6:27 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	50 min
Aug 8, 6:35 PM CDT	Areal Flood Advisory	TSA	Pittsburg	85 min
Aug 8, 6:45 PM CDT	Special Weather Statement	TSA	Pushmataha	30 min
Aug 8, 12:21 PM CDT	Special Weather Statement	TSA	Washington	39 min
Aug 8, 12:44 PM CDT	Severe Thunderstorm Warning	TSA	Madison	46 min
Aug 8, 12:53 PM CDT	Severe Thunderstorm Warning	TSA	Washington	52 min
Aug 8, 1:35 PM CDT	Special Weather Statement	TSA	Franklin	25 min
Aug 8, 2:34 PM CDT	Special Weather Statement	TSA	Sebastian	26 min
Aug 8, 2:39 PM CDT	Severe Thunderstorm Warning	TSA	Franklin, Sebastian	21 min
Aug 8, 2:55 PM CDT	Special Weather Statement	TSA	Crawford	50 min

Nearby

Special Weather Statements in Arkansas, 2012 Every special weather statement in 2012

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.