Alert archive / Oklahoma / Special Weather Statements in 2016

Special Weather Statement, NWS Tulsa, OK

July 28, 2016Nowata County, Washington County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Jul 28, 2016, 11:28 PM CDT for Nowata County, Washington County, Oklahoma. It was in force for 62 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 28, 2016, 11:28 PM CDT (04:28 UTC)
Expired: Jul 29, 2016, 12:30 AM CDT
In force: 62 min
Issued by: NWS Tulsa, OK

Counties Nowata County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 70 km from the middle of the area, began a volume at 04:30 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, 4.5 hours before the alert went out and 240 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: 2670 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 1440 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 28, 9:32 PM CDT, 1 hour 56 minutes earlier.

Area forecast discussion, Jul 28, 9:32 PM CDT, 1 hour 56 minutes before

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Hazardous weather outlook, Jul 28, 8:48 PM CDT, 2 hours 40 minutes before

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In the hours before

Special weather statement, Jul 28, 6:47 PM CDT, 4 hours 41 minutes before

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Special weather statement, Jul 28, 7:46 PM CDT, 3 hours 42 minutes before

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Special weather statement, Jul 28, 7:57 PM CDT, 3 hours 31 minutes before

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Special weather statement, Jul 28, 9:19 PM CDT, 2 hours 9 minutes before

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Special weather statement, Jul 28, 10:21 PM CDT, 1 hour 7 minutes before

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Special weather statement, Jul 28, 11:28 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1128 PM CDT THU JUL 28 2016

OKZ054>057-061-290530-
ROGERS OK-CRAIG OK-NOWATA OK-WASHINGTON OK-OSAGE OK-
1128 PM CDT THU JUL 28 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN ROGERS...
NORTHEASTERN OSAGE...NOWATA...WASHINGTON AND NORTHWESTERN CRAIG
COUNTIES UNTIL 1230 AM CDT...

AT 1128 PM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM COFFEYVILLE TO 8 MILES EAST OF DEWEY TO 3 MILES EAST
OF BARNSDALL. MOVEMENT WAS EAST AT 35 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IN OR NEAR THE PATH INCLUDE...
BARTLESVILLE...                   NOWATA...
DEWEY...                          CHELSEA...
OOLOGAH...                        SOUTH COFFEYVILLE...
COPAN...                          RAMONA...
OCHELATA...                       DELAWARE...
LENAPAH...                        TALALA...
WANN...                           NEW ALLUWE...
HULAH...                          OSAGE HILLS STATE PARK...
WATOVA...                         OKESA...
BIGHEART...                       CENTRAILIA...

LAT...LON 3700 9506 3672 9526 3639 9559 3673 9640
      3700 9613
TIME...MOT...LOC 0428Z 285DEG 30KT 3704 9564 3676 9580 3657 9609

69

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 28, 7:57 PM CDT	Special Weather Statement	TSA	LeFlore	33 min
Jul 28, 9:19 PM CDT	Special Weather Statement	TSA	Osage	56 min
Jul 28, 10:21 PM CDT	Special Weather Statement	TSA	Osage	54 min
Jul 29, 5:12 AM CDT	Special Weather Statement	TSA	Osage, Pawnee	63 min
Jul 29, 7:45 AM CDT	Special Weather Statement	TSA	Muskogee	30 min
Jul 29, 8:35 AM CDT	Special Weather Statement	TSA	Creek, Muskogee, Okmulgee	25 min
Jul 29, 9:03 AM CDT	Special Weather Statement	TSA	Okmulgee	27 min
Jul 29, 12:09 PM CDT	Special Weather Statement	TSA	LeFlore	51 min
Jul 29, 5:02 PM CDT	Special Weather Statement	TSA	Latimer	28 min
Jul 29, 5:07 PM CDT	Special Weather Statement	TSA	LeFlore	23 min
Jul 29, 5:22 PM CDT	Special Weather Statement	TSA	LeFlore	38 min
Jul 29, 5:30 PM CDT	Special Weather Statement	TSA	Pushmataha	30 min
Jul 29, 6:04 PM CDT	Special Weather Statement	TSA	LeFlore	26 min
Jul 29, 6:18 PM CDT	Special Weather Statement	TSA	Latimer	42 min
Jul 29, 6:33 PM CDT	Special Weather Statement	TSA	LeFlore	42 min
Jul 28, 7:46 PM CDT	Special Weather Statement	TSA	Sebastian	29 min

Nearby

Special Weather Statements in Oklahoma, 2016 Every special weather statement in 2016

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.