Alert archive / Oklahoma / Special Weather Statements in 2015

Special Weather Statement, NWS Tulsa, OK

June 17, 2015McIntosh County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Jun 17, 2015, 3:10 PM CDT for McIntosh County, Oklahoma. It was in force for 35 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
Jun 17, 2015, 3:10 PM CDT (20:10 UTC)
Expired
Jun 17, 2015, 3:45 PM CDT
In force
35 min
Issued by
NWS Tulsa, OK

County McIntosh County, OK

The radar

The Tulsa radar (KINX), 79 km from the middle of the area, began a volume at 20:09 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 12:00Z, 8.2 hours before the alert went out and 172 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-pSkew-T log-p diagram, Norman, OK at 12:00Z on 2015-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 225 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 12:00Z on 2015-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
225 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
621 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
7 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 Jun 17, 2:43 PM CDT, 27 minutes earlier.

Area forecast discussion, Jun 17, 2:43 PM CDT, 27 minutes before
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Hazardous weather outlook, Jun 17, 1:22 PM CDT, 1 hour 48 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
122 PM CDT WED JUN 17 2015

ARZ001-002-010-011-019-020-029-OKZ049-053>076-181045-
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-
122 PM CDT WED JUN 17 2015

...WIDESPREAD FLOODING/FLASH FLOODING THROUGH THURSDAY WITH RIVER FLOODING
THROUGH THE WEEKEND...

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.
TORNADO.
	RISK...LIMITED.
	AREA...PRIMARILY SOUTHEAST OKLAHOMA AND WEST CENTRAL ARKANSAS.
	ONSET...THIS AFTERNOON.

SEVERE THUNDERSTORM.
	RISK...LIMITED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...THIS AFTERNOON.

FLASH FLOOD.
	RISK...ELEVATED.
	AREA...ALL OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...THIS AFTERNOON OR EARLY EVENING.

HEAVY RAIN.
	RISK...SIGNIFICANT.
	AREA...ALL OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...THIS AFTERNOON OR EARLY EVENING.

SIGNIFICANT WINDS.
	RISK...LIMITED.
	AREA...MAINLY EASTERN OKLAHOMA.
	ONSET...THIS AFTERNOON.

DISCUSSION...
SIGNIFICANT AND LIFE THREATENING FLOODING WILL BECOME AN
INCREASING THREAT THIS AFTERNOON AND TONIGHT..ALONG WITH
A LIMITED SEVERE WEATHER POTENTIAL.

THE TROPICAL CIRCULATION ASSOCIATED WITH THE REMNANTS OF
BILL WILL LIFT SLOWLY NORTH OUT OF TEXAS AND INTO SOUTHERN
OKLAHOMA THIS EVENING. BANDS OF PRECIPITATION ROTATING
AROUND THAT CIRCULATION WILL BRING HEAVY RAINFALL TO EASTERN
OKLAHOMA THIS AFTERNOON AND OVERNIGHT...AS WELL AS THURSDAY.

SPEED AND DIRECTIONAL WIND SHEAR ASSOCIATED WITH THE TIGHT
CIRCULATION OF BILL MAY SPAWN SOME SHORT LIVED TORNADOES WITH
A FEW OF THE STRONGER THUNDERSTORM CELLS. SOUTHEAST OKLAHOMA
AND WEST CENTRAL ARKANSAS WILL THE PRIMARY AREAS OF CONCERN.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
LOCAL SPOTTER ACTIVATION MAY BE NEEDED.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
THURSDAY...THUNDERSTORM POTENTIAL...HIGH WIND POTENTIAL...HEAVY RAIN POTENTIAL.
FRIDAY...THUNDERSTORM POTENTIAL.
SATURDAY...NO HAZARDS.
SUNDAY...NO HAZARDS.
MONDAY...NO HAZARDS.
TUESDAY...NO HAZARDS.

EXTENDED DISCUSSION...
HEAVY RAINFALL WITH SIGNIFICANT FLOODING ALONG WITH A SMALL
SEVERE POTENTIAL FROM THE REMNANTS OF TROPICAL SYSTEM BILL WILL
BE ONGOING ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THURSDAY
MORNING. ADDITIONAL RAINFALL AMOUNTS THURSDAY WILL CONTINUE TO
WORSEN LIFE THREATENING FLOODING CONDITIONS ALONG WITH THE
FLOODING OF MAIN STEAM RIVERS. HIGHEST RAINFALL AMOUNTS THURSDAY
ARE FORECAST TO BE GENERALLY NORTH OF INTERSTATE 40. THE TROPICAL
SYSTEM IS EXPECTED TO EXIT NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS
FRIDAY MORNING WITH SHOWER AND THUNDERSTORM CHANCES TAPERING OFF
DURING THE DAY FRIDAY FROM WEST TO EAST.

STORM TOTAL RAINFALL AMOUNTS OF 3 TO 7 INCHES WITH LOCALLY HIGHER
AMOUNTS OF 10 INCHES AND GREATER ARE EXPECTED OVER MUCH OF THE REGION
DURING THE NEXT 48 HOURS.

EMERGENCY MANAGEMENT PLANNING STATEMENT...
EMERGENCY MANAGEMENT GROUPS SHOULD ANTICIPATE FLOODING OF AT
LEAST THE MAGNITUDE THAT OCCURRED AT THE END OF MAY AND PLAN
ACCORDINGLY.

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

In the hours before

Special weather statement, Jun 17, 1:00 PM CDT, 2 hours 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
100 PM CDT WED JUN 17 2015

OKZ049-053-171845-
CHOCTAW OK-PUSHMATAHA OK-
100 PM CDT WED JUN 17 2015

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 145 PM CDT
FOR THE FOLLOWING COUNTIES...

IN SOUTHEAST OKLAHOMA
     CENTRAL CHOCTAW AND SOUTHWESTERN PUSHMATAHA

AT 100 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 3 MILES EAST OF
GRANT...MOVING NORTH AT 35 MPH. SOME LOCATIONS THAT WILL BE AFFECTED
BY THIS STORM INCLUDE...HUGO...ORD...GRANT...GAY...GOODLAND...
SAWYER...MESSER...KENT...FALLON...SPEER...APPLE...ANTLERS...DELA...
RATTAN...FINLEY...KELLOND AND HUGO LAKE STATE PARK.

THIS STORM WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH.
RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE SIGNIFICANT
WEATHER ADVISORY IS UPGRADED TO A WARNING.

LAT...LON 3388 9547 3387 9551 3389 9551 3388 9553
      3388 9556 3392 9556 3393 9560 3416 9578
      3420 9579 3425 9578 3435 9543 3388 9531
      3386 9539
TIME...MOT...LOC 1800Z 167DEG 31KT 3397 9547
Special weather statement, Jun 17, 3:10 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
310 PM CDT WED JUN 17 2015

OKZ071-172045-
MCINTOSH OK-
310 PM CDT WED JUN 17 2015

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 345 PM CDT
FOR THE FOLLOWING COUNTY...

IN SOUTHEAST OKLAHOMA
     NORTHEASTERN MCINTOSH

AT 310 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 8 MILES SOUTHEAST
OF CHECOTAH...MOVING NORTH AT 15 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...CHECOTAH AND RENTIESVILLE.

THIS STORM WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH.
RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE SIGNIFICANT
WEATHER ADVISORY IS UPGRADED TO A WARNING.

LAT...LON 3555 9571 3555 9540 3534 9539 3534 9544
TIME...MOT...LOC 2010Z 158DEG 13KT 3540 9543

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 7:06 PM CDTAreal Flood AdvisoryTSAHaskell, LeFlore, Sequoyah3 hr
Jun 17, 2:45 AM CDTRiver Flood WarningTSAPushmataha54 hr
Jun 17, 8:20 AM CDTRiver Flood WarningTSAChoctaw10 days
Jun 17, 8:32 AM CDTRiver Flood AdvisoryTSAOttawa52 hr
Jun 17, 1:00 PM CDTSpecial Weather StatementTSAChoctaw45 min
Jun 17, 2:05 PM CDTRiver Flood WarningTSAOkmulgee9 days
Jun 17, 2:23 PM CDTAreal Flood AdvisoryTSAChoctaw112 min
Jun 17, 2:29 PM CDTRiver Flood WarningTSACreek58 hr
Jun 17, 2:29 PM CDTRiver Flood WarningTSACherokee4 days
Jun 17, 2:29 PM CDTRiver Flood WarningTSAMuskogee64 hr
Jun 17, 2:32 PM CDTAreal Flood AdvisoryTSAChoctaw103 min
Jun 17, 2:47 PM CDTRiver Flood WarningTSALeFlore3 days
Jun 17, 3:51 PM CDTSpecial Weather StatementTSAMuskogee39 min
Jun 17, 4:33 PM CDTSpecial Weather StatementTSAMuskogee42 min
Jun 17, 4:44 PM CDTSpecial Weather StatementTSALeFlore46 min
Jun 17, 5:02 PM CDTAreal Flood AdvisoryTSAHaskell, McIntosh, Muskogee, Okfuskee, Okmulgee58 min
Jun 17, 5:14 PM CDTSpecial Weather StatementTSAMuskogee46 min
Jun 17, 5:26 PM CDTAreal Flood AdvisoryTSAOkfuskee64 min
Jun 17, 5:37 PM CDTFlash Flood WarningTSACreek, McIntosh, Muskogee, Okfuskee, Okmulgee8 hr
Jun 17, 5:51 PM CDTTornado WarningTSAMuskogee, Okmulgee39 min
Jun 17, 6:33 PM CDTSevere Thunderstorm WarningTSACreek, Okmulgee, Tulsa42 min
Jun 16, 8:07 PM CDTRiver Flood WarningTSAFranklin, Johnson, Logan5 days
Jun 17, 6:41 PM CDTSpecial Weather StatementTSAJohnson64 min

Nearby

Special Weather Statements in Oklahoma, 2015Every special weather statement in 2015

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.