Alert archive / Oklahoma / Special Weather Statements in 2016

Special Weather Statement, NWS Tulsa, OK

July 3, 20164 counties in Oklahoma

NWS Tulsa, OK issued this special weather statement at Jul 3, 2016, 9:29 PM CDT for 4 counties in Oklahoma. It was in force for 46 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 3, 2016, 9:29 PM CDT (02:29 UTC)
Expired: Jul 3, 2016, 10:15 PM CDT
In force: 46 min
Issued by: NWS Tulsa, OK

Counties Haskell County, OK, McIntosh County, OK, Pittsburg County, OK, Sequoyah County, OK

The radar

The Tulsa radar (KINX), 113 km from the middle of the area, began a volume at 02:29 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, 2.5 hours before the alert went out and 150 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: 3338 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1207 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 108 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 13.3

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 3, 6:50 PM CDT, 2 hours 39 minutes earlier.

Area forecast discussion, Jul 3, 6:50 PM CDT, 2 hours 39 minutes before

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Hazardous weather outlook, Jul 3, 4:29 PM CDT, 5 hours before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
429 PM CDT SUN JUL 3 2016

ARZ001-002-010-011-019-020-029-OKZ049-053>076-041015-
ADAIR OK-BENTON AR-CARROLL AR-CHEROKEE OK-CHOCTAW OK-CRAIG OK-
CRAWFORD AR-CREEK OK-DELAWARE OK-FRANKLIN AR-HASKELL OK-LATIMER OK-
LE FLORE OK-MADISON AR-MAYES OK-MCINTOSH OK-MUSKOGEE OK-NOWATA OK-
OKFUSKEE OK-OKMULGEE OK-OSAGE OK-OTTAWA OK-PAWNEE OK-PITTSBURG OK-
PUSHMATAHA OK-ROGERS OK-SEBASTIAN AR-SEQUOYAH OK-TULSA OK-WAGONER OK-
WASHINGTON OK-WASHINGTON AR-
429 PM CDT SUN JUL 3 2016

THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS
MUCH OF EASTERN OKLAHOMA.

.DAY ONE...REMAINDER OF THIS AFTERNOON THROUGH TONIGHT.

.TORNADO.
    RISK...LIMITED.
 	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

SEVERE THUNDERSTORM.
	RISK...ELEVATED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

FLASH FLOOD.
	RISK...ELEVATED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

HEAVY RAIN.
	RISK...ELEVATED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

DISCUSSION...
STRONG TO SEVERE THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS
NORTHEAST OKLAHOMA THIS AFTERNOON.  THIS ACTIVITY WILL INCREASE IN
COVERAGE AND INTENSITY THROUGH THE EVENING HOURS WITH THE THREAT FOR
VERY HEAVY RAINFALL AND DAMAGING DOWNBURST WINDS. A BRIEF TORNADO OR
TWO CAN NOT BE RULED OUT WITH ANY ISOLATED SUPERCELLS THIS AFTERNOON
OR EVENING.

FLASH FLOODING WILL BE LIKELY IN SOME AREAS AS STORMS SPREAD ACROSS
THE REMAINDER OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THIS
EVENING INTO THE OVERNIGHT HOURS. WIDESPREAD 2 TO 3 INCH RAINFALL
AMOUNTS ARE EXPECTED WITH THIS ACTIVITY WITH LOCALLY 5 INCHES
POSSIBLE.  A FLASH FLOOD WATCH REMAINS IN EFFECT FOR MOST OF EASTERN
OKLAHOMA AND NORTHWEST ARKANSAS THROUGH MONDAY MORNING. THE
ADDITIONAL RAINS COULD ALSO LEAD TO NOTABLE RISES ON A FEW AREA
RIVERS.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
ACTIVATION OF THE REGIONAL SPOTTER NETWORK IS EXPECTED.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.
MONDAY...THUNDERSTORM POTENTIAL.
TUESDAY THROUGH SATURDAY...DANGEROUS HEAT POTENTIAL.

EXTENDED DISCUSSION...
SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE MAINLY EARLY IN
THE DAY ON MONDAY...WITH PRECIPITATION ENDING BY MONDAY
EVENING.

THE HEAT WILL RETURN FOR THE REMAINDER OF THE WEEK AND INTO
NEXT WEEKEND AS AN UPPER LEVEL RIDGE BUILDS INTO THE REGION.
TRIPLE DIGIT HEAT INDEX VALUES WILL BE PREVALENT BEGINNING TUESDAY
AND CONTINUING INTO NEXT WEEKEND.

WWW.SRH.NOAA.GOV/TULSA CONTAINS ADDITIONAL INFORMATION.

In the hours before

Special weather statement, Jul 3, 6:57 PM CDT, 2 hours 32 minutes before

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Special weather statement, Jul 3, 7:02 PM CDT, 2 hours 27 minutes before

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Special weather statement, Jul 3, 7:28 PM CDT, 2 hours 1 minute before

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Special weather statement, Jul 3, 8:00 PM CDT, 1 hour 29 minutes before

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Special weather statement, Jul 3, 8:45 PM CDT, 44 minutes before

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Special weather statement, Jul 3, 9:29 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 3, 7:00 PM CDT	Areal Flood Advisory	TSA	Creek, Okfuskee, Okmulgee, Tulsa	60 min
Jul 3, 7:02 PM CDT	Special Weather Statement	TSA	Okfuskee	28 min
Jul 3, 7:28 PM CDT	Special Weather Statement	TSA	Creek, Okfuskee, Okmulgee	47 min
Jul 3, 7:39 PM CDT	Areal Flood Advisory	TSA	Creek, Muskogee, Okfuskee, Okmulgee, Tulsa, Wagoner	66 min
Jul 3, 8:00 PM CDT	Special Weather Statement	TSA	Okfuskee, Okmulgee, Wagoner	45 min
Jul 3, 8:45 PM CDT	Special Weather Statement	TSA	Haskell, McIntosh, Muskogee	45 min
Jul 3, 9:01 PM CDT	Areal Flood Advisory	TSA	Creek, McIntosh, Muskogee, Okfuskee, Okmulgee, Tulsa	119 min
Jul 4, 12:13 AM CDT	Areal Flood Advisory	TSA	Latimer, LeFlore, Pittsburg, Pushmataha	3 hr
Jul 4, 2:52 PM CDT	Heat Advisory	TSA	Adair, Cherokee, Choctaw, Craig, Creek, Delaware and 16 more	29 hr

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.