Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 155, NWS Tulsa, OK

July 16, 2010Ottawa County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jul 16, 2010, 6:45 PM CDT for Ottawa County, Oklahoma. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 16, 2010, 6:45 PM CDT (23:45 UTC)
Expired
Jul 16, 2010, 7:45 PM CDT
In force
60 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon

County Ottawa County, OK

The radar

The Tulsa radar (KINX), 100 km from the middle of the area, began a volume at 23:45 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, 11.8 hours before the alert went out and 90 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, Springfield, MO at 12:00Z on 2010-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2101 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, Springfield, MO at 12:00Z on 2010-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.1939Sfc1 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
2101 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
787 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
38 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

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 16, 6:17 PM CDT, 28 minutes earlier.

Area forecast discussion, Jul 16, 6:17 PM CDT, 28 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
617 PM CDT FRI JUL 16 2010

.AVIATION...
CONCERNING TAF SITES KTUL/KRVS/KMLC/KXNA/KFYV/KFSM.
MOSTLY VFR CONDITIONS ARE EXPECTED AT THE AREA
TAF SITES THROUGH THE VALID PERIOD. HOWEVER...
ISOLATED THUNDERSTORMS FOR THE NEXT SEVERAL
HOURS MAY AFFECT THE TAF SITES BRINGING BRIEF
PERIODS OF MVFR AND IFR CONDITIONS. FOG MAY
DEVELOP OVERNIGHT AT THE ARKANSAS TAF SITES
CREATING MVFR CONDITIONS.

&&

.PREV DISCUSSION... /ISSUED 558 PM CDT FRI JUL 16 2010/

..UPDATE...

DISCUSSION...
BASED ON CURRENT RADAR TRENDS...AND IF CURRENT CONVECTION
CONTINUES...LOOKING LIKE IT WILL ENTER INTO NORTHERN OSAGE AND
NORTHERN WASHINGTON COUNTIES FROM SOUTHEAST KANSAS...WILL RAISE
POPS ACROSS NORTHEAST AND FAR EASTERN OKLAHOMA AND ALSO WEST
CENTRAL ARKANSAS.

PREV DISCUSSION... /ISSUED 309 PM CDT FRI JUL 16 2010/

DISCUSSION...
SCATTERED SHOWERS/THUNDERSTORMS OVER FAR NORTHEAST OKLAHOMA AND
NORTHWEST ARKANSAS SHOULD BEGIN TO DISSIPATE WITH LOSS OF HEATING
THIS EVENING. HEAVY RAIN/GUSTY WINDS WILL BE LIKELY IN THE STRONGER
STORMS. MAIN CONCERN CONTINUES TO BE THE ONGOING HEAT THIS WEEKEND
INTO NEXT WEEK. EXTENDED THE EXCESSIVE HEAT WARNING FOR TULSA
COUNTY THROUGH SUNDAY GIVEN WARM OVERNIGHT LOW TEMPERATURES
EXPECTED IN THE METRO AREA. THE REMAINDER OF EASTERN OKLAHOMA AND
WEST CENTRAL ARKANSAS WILL ISSUE A HEAT ADVISORY. SLOW WARMING
TREND WILL CONTINUE FOR THE NEXT FEW DAYS AS HIGH TEMPS WARM A
DEGREE OR TWO EACH DAY. DEWPOINTS WILL ALSO SLOWLY DECREASE...BUT
SHOULD REMAIN HIGH ENOUGH TO CREATE DANGEROUS HEAT CONDITIONS
WITH HEAT INDICES AROUND 110 DEGREES EACH AFTERNOON. ADDITIONAL
AREAS MAY HAVE TO BE ADDED TO THE EXCESSIVE HEAT WARNING LATER AS
LOW TEMPERATURES BEGIN TO CREEP UP INTO THE MID TO UPPER 70S OVER
A LARGER AREA.

REMAINDER OF THE EXTENDED STAYED CLOSE TO THE GFS GUIDANCE AS UPPER
RIDGE SLOWLY MOVES EAST OVER REGION INTO THE SOUTHEAST BY MID TO
LATE WEEK. AGAIN LOWERED HIGH TEMPERATURES BY A DEGREE OR TWO
COMPARED TO THE MEX IN A FEW AREAS.

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...EXCESSIVE HEAT WARNING UNTIL 7 PM SUNDAY FOR OKZ060.

     HEAT ADVISORY UNTIL 7 PM SUNDAY FOR OKZ049-OKZ053-OKZ054-OKZ055-
     OKZ056-OKZ057-OKZ058-OKZ059-OKZ061-OKZ062-OKZ063-OKZ064-
     OKZ065-OKZ066-OKZ067-OKZ068-OKZ069-OKZ070-OKZ071-OKZ072-
     OKZ073-OKZ074-OKZ075-OKZ076.

AR...HEAT ADVISORY UNTIL 7 PM SUNDAY FOR ARZ019-ARZ020-ARZ029.

&&

SHORT TERM...99
LONG TERM....99
AVIATION...10
Hazardous weather outlook, Jul 16, 5:02 PM CDT, 1 hour 43 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
502 PM CDT FRI JUL 16 2010

ARZ001-002-010-011-019-020-029-OKZ049-053>076-171015-
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-
502 PM CDT FRI JUL 16 2010

...HOT AND HUMID CONDITIONS CONTINUE THROUGH WEEKEND...

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

.DAY ONE...THIS EVENING AND TONIGHT.

SEVERE THUNDERSTORM.
	RISK...LIMITED.
	AREA...NORTHWEST ARKANSAS.
	ONSET...ONGOING.

FLASH FLOOD.
	RISK...LIMITED.
	AREA...NORTHWEST ARKANSAS.
	ONSET...ONGOING.

DANGEROUS HEAT.
	RISK...ELEVATED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

        AREA AT GREATEST RISK...EASTERN OKLAHOMA AND WEST CENTRAL ARKANSAS

DISCUSSION...

SCATTERED SHOWERS AND THUNDERSTORMS CONTINUE TO SLOWLY MOVE SOUTH
AND SOUTHEAST ACROSS FAR EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
THE SLOW MOVEMENT OF THIS ACTIVITY WILL ALLOW FOR PERIODS OF HEAVY
RAIN WHICH WILL CREATE THE POTENTIAL FOR A FLASH FLOOD THREAT.
STRONG WINDS WILL ALSO BE POSSIBLE AS THUNDERSTORMS COLLAPSE.
THESE SHOWERS AND STORMS SHOULD BEGIN TO DIMINISH WITH THE LOSS OF
DAY TIME HEATING THIS EVENING.

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

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.
SATURDAY THROUGH WEDNESDAY...DANGEROUS HEAT POTENTIAL.
THURSDAY...THUNDERSTORM POTENTIAL...DANGEROUS HEAT POTENTIAL.

EXTENDED DISCUSSION...
TEMPERATURES IN THE MID TO UPPER 90S ALONG WITH HIGH
HUMIDITY WILL CONTINUE DANGEROUS HEAT CONDITIONS THROUGH
THE WEEKEND AND UPCOMING WEEK FOR EASTERN OKLAHOMA AND WEST
CENTRAL ARKANSAS. SEE LATEST /OKCNWPTSA/ FOR CURRENT HEAT
ADVISORIES AND WARNING.

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

In the hours before

Special weather statement, Jul 16, 5:34 PM CDT, 1 hour 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
534 PM CDT FRI JUL 16 2010

OKZ076-162300-
LE FLORE OK-
534 PM CDT FRI JUL 16 2010

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 600 PM CDT
FOR THE FOLLOWING COUNTY...

IN SOUTHEAST OKLAHOMA
     SOUTHEASTERN LE FLORE

AT 535 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 6 MILES NORTHEAST
OF MUSE...MOVING SOUTHEAST AT 5 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...BIG CEDAR AND MUSE.

THIS STORM WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH.
RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE SIGNIFICANT
WEATHER ADVISORY IS UPGRADED TO A WARNING.

LAT...LON 3453 9460 3472 9483 3490 9469 3476 9444
      3471 9445
TIME...MOT...LOC 2235Z 304DEG 3KT 3474 9469
Special weather statement, Jul 16, 5:37 PM CDT, 1 hour 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
537 PM CDT FRI JUL 16 2010

OKZ076-162315-
LE FLORE OK-
537 PM CDT FRI JUL 16 2010

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 615 PM CDT
FOR THE FOLLOWING COUNTY...

IN SOUTHEAST OKLAHOMA
     EASTERN LE FLORE

AT 538 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 3 MILES EAST OF
HEAVENER...MOVING SOUTHEAST AT 5 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...HEAVENER.

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 3477 9448 3488 9462 3498 9454 3494 9444
      3491 9444 3483 9444
TIME...MOT...LOC 2238Z 304DEG 3KT 3490 9454
Special weather statement, Jul 16, 5:38 PM CDT, 1 hour 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
538 PM CDT FRI JUL 16 2010

OKZ072-162315-
SEQUOYAH OK-
538 PM CDT FRI JUL 16 2010

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 615 PM CDT
FOR THE FOLLOWING COUNTY...

IN EAST CENTRAL OKLAHOMA
     CENTRAL SEQUOYAH

AT 538 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 5 MILES WEST OF
MARBLE CITY...MOVING SOUTHEAST AT 5 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...SALLISAW...VIAN...BRUSHY AND MARBLE
CITY.

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 3550 9459 3538 9482 3550 9506 3565 9491
TIME...MOT...LOC 2238Z 304DEG 3KT 3556 9490
Special weather statement, Jul 16, 6:05 PM CDT, 40 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
605 PM CDT FRI JUL 16 2010

OKZ054-170000-
OSAGE OK-
605 PM CDT FRI JUL 16 2010

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 700 PM CDT
FOR THE FOLLOWING COUNTY...

IN NORTHEAST OKLAHOMA
     NORTHEASTERN OSAGE

AT 605 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 19 MILES NORTH OF
BIGHEART...MOVING SOUTH AT 30 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...PAWHUSKA...OKESA...PEARSONIA...
BIGHEART AND HULAH.

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 3700 9609 3699 9602 3666 9600 3664 9601
      3662 9655 3700 9654
TIME...MOT...LOC 2305Z 358DEG 26KT 3710 9631
Special weather statement, Jul 16, 6:14 PM CDT, 31 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
614 PM CDT FRI JUL 16 2010

OKZ058-170000-
OTTAWA OK-
614 PM CDT FRI JUL 16 2010

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 700 PM CDT
FOR THE FOLLOWING COUNTY...

IN NORTHEAST OKLAHOMA
     OTTAWA

AT 614 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 3 MILES NORTH OF
OTTAWA...MOVING SOUTHEAST AT 5 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...MIAMI...COMMERCE...WYANDOTTE...
QUAPAW AND PICHER.

THIS STORM WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH.
RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE SIGNIFICANT
WEATHER ADVISORY IS UPGRADED TO A WARNING.

LAT...LON 3699 9461 3668 9461 3667 9476 3700 9503
      3700 9495 3700 9462
TIME...MOT...LOC 2314Z 325DEG 5KT 3690 9480
Special weather statement, Jul 16, 6:41 PM CDT, 4 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 7:40 PM CDTAreal Flood AdvisoryTSANowata, Osage, Rogers, Tulsa, Washington65 min
Jul 15, 7:58 PM CDTSpecial Weather StatementTSATulsa47 min
Jul 15, 8:19 PM CDTSpecial Weather StatementTSAWagoner26 min
Jul 16, 1:33 AM CDTSpecial Weather StatementTSAWagoner42 min
Jul 16, 1:40 AM CDTSevere Thunderstorm WarningTSATulsa, Wagoner23 min
Jul 16, 2:01 AM CDTSpecial Weather StatementTSAWagoner29 min
Jul 16, 2:31 AM CDTSpecial Weather StatementTSAWagoner29 min
Jul 16, 2:23 PM CDTRiver Flood WarningTSAAdair11 hr
Jul 16, 2:27 PM CDTRiver Flood AdvisoryTSACherokee29 hr
Jul 16, 2:45 PM CDTAreal Flood AdvisoryTSAAdair, Delaware2 hr
Jul 16, 3:33 PM CDTHeat AdvisoryTSAAdair, Cherokee, Choctaw, Craig, Creek, Delaware and 15 more4 days
Jul 16, 5:14 PM CDTSpecial Weather StatementTSAAdair31 min
Jul 16, 5:26 PM CDTSevere Thunderstorm WarningTSAAdair34 min
Jul 16, 5:34 PM CDTSpecial Weather StatementTSALeFlore26 min
Jul 16, 5:37 PM CDTSpecial Weather StatementTSALeFlore38 min
Jul 16, 5:38 PM CDTSpecial Weather StatementTSASequoyah37 min
Jul 16, 6:05 PM CDTSpecial Weather StatementTSAOsage55 min
Jul 16, 6:14 PM CDTSpecial Weather StatementTSAOttawa46 min
Jul 16, 6:29 PM CDTAreal Flood AdvisoryTSAOttawa2 hr
Jul 16, 6:31 PM CDTSevere Thunderstorm WarningTSAOsage, Washington59 min
Jul 16, 6:41 PM CDTSpecial Weather StatementTSALeFlore34 min
Jul 16, 6:50 PM CDTAreal Flood AdvisoryTSALeFlore, Pushmataha115 min
Jul 16, 6:59 PM CDTSevere Thunderstorm WarningTSACraig, Delaware46 min
Jul 15, 9:19 PM CDTAreal Flood AdvisoryTSAMadison, Washington116 min
Jul 15, 9:54 PM CDTFlash Flood WarningTSAMadison, Washington6 hr
Jul 15, 10:54 PM CDTFlash Flood WarningTSABenton, Washington5 hr
Jul 16, 2:58 PM CDTSpecial Weather StatementTSABenton32 min
Jul 16, 3:18 PM CDTSpecial Weather StatementTSAWashington27 min
Jul 16, 4:16 PM CDTSpecial Weather StatementTSACrawford44 min
Jul 16, 4:33 PM CDTSpecial Weather StatementTSACrawford57 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2010Every severe thunderstorm warning in 2010

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.