Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 456, NWS Tulsa, OK

June 20, 2008Adair County, Cherokee County, Delaware County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 20, 2008, 3:45 AM CDT for Adair County, Cherokee County, Delaware 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: Jun 20, 2008, 3:45 AM CDT (08:45 UTC)
Expired: Jun 20, 2008, 4:45 AM CDT
In force: 60 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Adair County, OK, Cherokee County, OK, Delaware County, OK

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 8.8 hours before the alert went out and 130 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: 1524 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 993 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 69 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.0

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 Jun 19, 8:56 PM CDT, 6 hours 49 minutes earlier.

Area forecast discussion, Jun 19, 8:56 PM CDT, 6 hours 49 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
856 PM CDT THU JUN 19 2008

.DISCUSSION...
CONVECTIVE CLUSTERS STAYING NORTHEAST AND WELL
SOUTHWEST THIS EVENING. WATCH DROPPED TSA CWA.
STILL CHANCE OF PRECIP OVERNIGHT... ESPECIALLY
NORTHEAST / SOUTHWEST CORNERS OF TSA  FORECAST
AREA.  GIVEN LAST SEVERAL NIGHTS OUTCOMES WILL
MAINTAIN AT LEAST MARGINAL POP CENTRAL PORTION
OF AREA THROUGH KTUL-KFSM.                  GW

&&

.PRELIMINARY POINT TEMPS/POPS...
TUL   88  68  85  65 / MMM  20  30  10
FSM   87  67  83  65 / MMM  20  60  30
MLC   87  68  84  63 / MMM  40  40  10
BVO   88  64  86  62 / MMM  20  30  10
FYV   84  61  80  60 / MMM  30  50  30
BYV   83  63  81  62 / MMM  40  50  30
MKO   85  67  83  64 / MMM  20  40  10
MIO   86  65  85  62 / MMM  30  30  10
F10   86  67  83  64 / MMM  30  40  10
HHW   87  68  82  66 / MMM  50  50  20

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...NONE.
AR...NONE.
&&

SHORT TERM...21
LONG TERM....21

Hazardous weather outlook, Jun 20, 1:29 AM CDT, 2 hours 16 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
129 AM CDT FRI JUN 20 2008

ARZ001-002-010-011-019-020-029-OKZ049-053>076-201000-
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-
129 AM CDT FRI JUN 20 2008

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

.DAY ONE...TONIGHT.

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

DISCUSSION...
THUNDERSTORMS WERE DEVELOPING OVER NORTHEAST OKLAHOMA EARLY
THIS MORNING.  ENOUGH ELEVATED INSTABILITY AND SHEAR WAS
PRESENT FOR SEVERE THUNDERSTORMS. THUS...STRONG TO SEVERE
STORMS ARE A POSSIBILITY.

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

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.
SATURDAY...NO HAZARDS.
SUNDAY...NO HAZARDS.
MONDAY...NO HAZARDS.
TUESDAY...THUNDERSTORM POTENTIAL.
WEDNESDAY...THUNDERSTORM POTENTIAL.
THURSDAY...THUNDERSTORM POTENTIAL.

EXTENDED DISCUSSION...
AN UPPER RIDGE IS EXPECTED TO DEVELOP OVER THE WEEKEND PROVIDING
A RELATIVELY DRY WEEKEND. AN UPPER TROUGH WILL SWING THROUGH THE
REGION TUESDAY AND WEDNESDAY BRINGING A CHANCE OF THUNDERSTORMS
BACK INTO THE THE FORECAST.

WWW.SRH.NOAA.GOV/TULSA CONTAINS ADDITIONAL TABULAR AND GRAPHICAL
INFORMATION.

In the hours before

Special weather statement, Jun 19, 10:33 PM CDT, 5 hours 12 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1033 PM CDT THU JUN 19 2008

OKZ075-076-200415-
LATIMER OK-LE FLORE OK-
1033 PM CDT THU JUN 19 2008

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 1115 PM CDT
FOR THE FOLLOWING COUNTIES...

IN SOUTHEAST OKLAHOMA
     WESTERN LE FLORE AND NORTHEASTERN LATIMER

AT 1033 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER
PANOLA...MOVING EAST AT 18 MPH. SOME LOCATIONS THAT WILL BE AFFECTED
BY THIS STORM INCLUDE...PANOLA AND RED OAK.

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

LAT...LON 3483 9527 3496 9532 3507 9505 3506 9504
      3506 9497 3488 9490
TIME...MOT...LOC 0333Z 251DEG 16KT 3491 9523

Special weather statement, Jun 19, 10:44 PM CDT, 5 hours 1 minute before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1044 PM CDT THU JUN 19 2008

OKZ073-075-200430-
LATIMER OK-PITTSBURG OK-
1044 PM CDT THU JUN 19 2008

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 1130 PM CDT
FOR THE FOLLOWING COUNTIES...

IN SOUTHEAST OKLAHOMA
     EASTERN PITTSBURG AND WESTERN LATIMER

AT 1044 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 3
MILES SOUTHWEST OF BLOCKER...MOVING EAST AT 20 MPH. SOME LOCATIONS
THAT WILL BE AFFECTED BY THIS STORM INCLUDE...GOWEN...BLOCKER AND
FEATHERSTON.

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

LAT...LON 3510 9535 3487 9544 3496 9577 3511 9573
TIME...MOT...LOC 0344Z 282DEG 17KT 3503 9559

Special weather statement, Jun 19, 11:15 PM CDT, 4 hours 30 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1115 PM CDT THU JUN 19 2008

OKZ073>075-200445-
HASKELL OK-LATIMER OK-PITTSBURG OK-
1115 PM CDT THU JUN 19 2008

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 1145 PM CDT
FOR THE FOLLOWING COUNTIES...

IN SOUTHEAST OKLAHOMA
     SOUTHERN HASKELL...NORTHEASTERN PITTSBURG AND NORTHERN LATIMER

AT 1115 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 4
MILES SOUTHEAST OF FEATHERSTON...MOVING EAST AT 21 MPH. SOME
LOCATIONS THAT WILL BE AFFECTED BY THIS STORM INCLUDE...LEQUIRE...
LEWISVILLE...KINTA...FEATHERSTON AND QUINTON.

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

LAT...LON 3515 9509 3492 9509 3495 9553 3513 9553
TIME...MOT...LOC 0415Z 270DEG 18KT 3504 9541

Special weather statement, Jun 20, 1:27 AM CDT, 2 hours 18 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
127 AM CDT FRI JUN 20 2008

OKZ057-058-063-200730-
CRAIG OK-DELAWARE OK-OTTAWA OK-
127 AM CDT FRI JUN 20 2008

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 230 AM CDT
FOR THE FOLLOWING COUNTIES...

IN NORTHEAST OKLAHOMA
     NORTHERN DELAWARE...NORTHEASTERN CRAIG AND OTTAWA

AT 127 AM CDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A
LINE EXTENDING FROM 9 MILES NORTHWEST OF WELCH TO COMMERCE...MOVING
SOUTHEAST AT 18 MPH. SOME LOCATIONS THAT WILL BE AFFECTED BY THESE
STORMS INCLUDE...MIAMI...COMMERCE...AFTON...FAIRLAND...NARCISSA...
WYANDOTTE...OTTAWA...QUAPAW...CARDIN...PICHER...PYRAMID CORNERS...
BLUEJACKET AND WELCH.

THESE STORMS WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS
TO 40 MPH. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE
SIGNIFICANT WEATHER ALERT IS UPGRADED TO A WARNING.

LAT...LON 3673 9461 3660 9462 3665 9503 3700 9530
      3700 9482
TIME...MOT...LOC 0627Z 328DEG 16KT 3697 9518 3694 9488

Special weather statement, Jun 20, 2:25 AM CDT, 1 hour 20 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
225 AM CDT FRI JUN 20 2008

OKZ056>058-061>063-200830-
CRAIG OK-DELAWARE OK-MAYES OK-NOWATA OK-OTTAWA OK-ROGERS OK-
225 AM CDT FRI JUN 20 2008

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 330 AM CDT
FOR THE FOLLOWING COUNTIES...

IN NORTHEAST OKLAHOMA
     NORTHEASTERN ROGERS...DELAWARE...SOUTHERN CRAIG...SOUTHERN
     OTTAWA...SOUTHEASTERN NOWATA AND NORTHERN MAYES

AT 225 AM CDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A
LINE EXTENDING FROM 9 MILES NORTH OF NEW ALLUWE TO 4 MILES EAST OF
VINITA TO 10 MILES NORTHEAST OF GROVE...MOVING SOUTH AT 21 MPH. SOME
LOCATIONS THAT WILL BE AFFECTED BY THESE STORMS INCLUDE...JAY...
LEACH...COLCORD...CHLOETA...ZENA...CLEORA...GROVE...BERNICE...NEW
ALLUWE...CHELSEA...AFTON...VINITA...KETCHUM...BIG CABIN...WHITE
OAK...SALINA...SPAVINAW...STRANG...ADAIR...PENSACOLA...LANGLEY...
DISNEY AND MAYSVILLE.

THESE STORMS WILL BE CAPABLE OF PRODUCING SMALL HAIL...VERY HEAVY
RAIN AND WIND GUSTS TO 40 MPH. RESIDENTS IN THESE AREAS SHOULD
REMAIN ALERT IN CASE THE SIGNIFICANT WEATHER ALERT IS UPGRADED TO A
WARNING.

LAT...LON 3670 9512 3675 9463 3649 9461 3648 9462
      3644 9460 3626 9459 3620 9491 3634 9543
      3678 9557
TIME...MOT...LOC 0725Z 342DEG 18KT 3673 9550 3662 9508
          3671 9468

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 19, 10:33 PM CDT	Special Weather Statement	TSA	Latimer	42 min
Jun 19, 10:44 PM CDT	Special Weather Statement	TSA	Pittsburg	46 min
Jun 19, 10:49 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	24 min
Jun 19, 11:15 PM CDT	Special Weather Statement	TSA	Latimer	30 min
Jun 20, 1:27 AM CDT	Special Weather Statement	TSA	Ottawa	63 min
Jun 20, 1:36 AM CDT	Severe Thunderstorm Warning	TSA	Craig, Ottawa	54 min
Jun 20, 2:25 AM CDT	Special Weather Statement	TSA	Delaware, Mayes	65 min
Jun 20, 2:58 AM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Mayes, Rogers	62 min
Jun 20, 4:29 AM CDT	Severe Thunderstorm Warning	TSA	Mayes, Rogers, Wagoner	50 min
Jun 20, 4:51 AM CDT	Special Weather Statement	TSA	Adair, Cherokee	54 min
Jun 20, 5:18 AM CDT	Special Weather Statement	TSA	Sequoyah	57 min
Jun 20, 5:47 AM CDT	Special Weather Statement	TSA	Sequoyah	58 min
Jun 20, 6:13 AM CDT	Severe Thunderstorm Warning	TSA	Muskogee	32 min
Jun 20, 6:47 AM CDT	Special Weather Statement	TSA	Muskogee	58 min
Jun 20, 6:57 AM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Sequoyah	63 min
Jun 20, 7:35 AM CDT	Special Weather Statement	TSA	Okmulgee	55 min
Jun 20, 7:37 AM CDT	Special Weather Statement	TSA	Latimer	38 min
Jun 20, 7:41 AM CDT	Special Weather Statement	TSA	Muskogee	34 min
Jun 20, 8:19 AM CDT	Areal Flood Advisory	TSA	Cherokee, McIntosh, Muskogee, Wagoner	3 hr
Jun 20, 8:23 AM CDT	Special Weather Statement	TSA	Muskogee	52 min
Jun 20, 8:37 AM CDT	Flash Flood Warning	TSA	Muskogee, Wagoner	6 hr
Jun 20, 8:51 AM CDT	Special Weather Statement	TSA	LeFlore	54 min
Jun 20, 10:03 AM CDT	Special Weather Statement	TSA	Latimer	27 min
Jun 20, 10:20 AM CDT	Special Weather Statement	TSA	Pittsburg	40 min
Jun 20, 11:20 AM CDT	Special Weather Statement	TSA	Pushmataha	40 min
Jun 20, 11:39 AM CDT	Special Weather Statement	TSA	Choctaw	51 min
Jun 20, 12:24 PM CDT	Special Weather Statement	TSA	Pushmataha	51 min
Jun 20, 12:30 PM CDT	Special Weather Statement	TSA	Choctaw	45 min
Jun 20, 12:46 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw	39 min
Jun 20, 1:22 PM CDT	Special Weather Statement	TSA	Choctaw	38 min
Jun 20, 6:33 AM CDT	Special Weather Statement	TSA	Sebastian	57 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2008 Every severe thunderstorm warning in 2008

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.