Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 126, NWS Tulsa, OK

March 31, 20085 counties in Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Mar 31, 2008, 4:48 PM CDT for 5 counties in Oklahoma. It was in force for 87 min. 7 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Mar 31, 2008, 4:48 PM CDT (21:48 UTC)
Expired: Mar 31, 2008, 6:15 PM CDT
In force: 87 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Haskell County, OK, Latimer County, OK, LeFlore County, OK, Pittsburg County, OK, Pushmataha County, OK

The radar

The Western Arkansas radar (KSRX), 85 km from the middle of the area, began a volume at 21:48 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.

What was reported inside it

Time	Report	Where	Remark
Mar 31, 4:53 PM CDT	HAIL 0.88	Blanco, OK
Mar 31, 5:15 PM CDT	HAIL 0.88	Mccurtain, OK
Mar 31, 5:15 PM CDT	HAIL 1	Wilburton, OK
Mar 31, 5:28 PM CDT	HAIL 0.75	4 S Yanush, OK
Mar 31, 5:50 PM CDT	HAIL 0.75	5 N Panama, OK
Mar 31, 6:06 PM CDT	HAIL 0.75	Albion, OK
Mar 31, 6:23 PM CDT	TSTM WND DMG	Hodgen, OK	SCHOOL DAMAGED BY WIND

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 27 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 31, 2:00 PM CDT	Tornado Watch	SPC	7 hr
Mar 31, 3:45 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 9.8 hours before the alert went out and 205 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: 1788 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 513 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 397 m²/s²
0-3 km storm-relative helicity: 493 m²/s²
Significant tornado parameter: 3.6
Supercell composite: 19.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KTSA 312148
SVRTSA
OKC061-077-079-121-127-312315-
/O.NEW.KTSA.SV.W.0126.080331T2148Z-080331T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
448 PM CDT MON MAR 31 2008

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN HASKELL COUNTY IN SOUTHEAST OKLAHOMA
  LATIMER COUNTY IN SOUTHEAST OKLAHOMA
  LE FLORE COUNTY IN SOUTHEAST OKLAHOMA
  SOUTHEASTERN PITTSBURG COUNTY IN SOUTHEAST OKLAHOMA
  NORTHERN PUSHMATAHA COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 615 PM CDT

* AT 446 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL
  AND DAMAGING WINDS TO 70 MPH. THESE STORMS WERE LOCATED ALONG A
  LINE EXTENDING FROM KINTA TO BLANCO TO 8 MILES SOUTH OF BLANCO...
  MOVING EAST AT 40 MPH.

* SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...STIGLER...
  LEQUIRE...HARTSHORNE...MCCURTAIN...KEOTA...WILBURTON...HIGGINS...
  STANLEY...DAMON...BOKOSHE...RED OAK...CLAYTON...YANUSH...PANAMA...
  TUSKAHOMA...SPIRO...FANSHAWE...KIAMICHI...CAMERON...BENGAL...
  POTEAU...ALBION...POCOLA...ARKOMA...TALIHINA...WISTER...HOWE...
  WHITESBORO...HEAVENER...MUSE...OCTAVIA AND BIG CEDAR.

A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. IF YOU ARE NEAR THE PATH
OF THIS STORM...BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS.
TAKE COVER ON THE LOWEST FLOOR IN AN INTERIOR ROOM AND STAY AWAY FROM
WINDOWS.

THIS STORM IS LIKELY PRODUCING LARGE HAIL AND DAMAGING WINDS. SEEK
SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

LAT...LON 3451 9580 3453 9569 3457 9568 3459 9589
      3483 9586 3530 9503 3535 9470 3529 9468
      3528 9464 3533 9461 3531 9451 3539 9444
      3453 9446 3445 9580
TIME...MOT...LOC 2148Z 272DEG 38KT 3514 9516 3482 9572
          3463 9576

$$

4 follow-up statements

000 
WWUS54 KTSA 312202
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
502 PM CDT MON MAR 31 2008

OKC061-077-079-121-127-312315-
/O.CON.KTSA.SV.W.0126.000000T0000Z-080331T2315Z/
HASKELL OK-LE FLORE OK-PITTSBURG OK-PUSHMATAHA OK-LATIMER OK-
502 PM CDT MON MAR 31 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR LATIMER...NORTHERN PUSHMATAHA...SOUTHEASTERN PITTSBURG...LE FLORE
AND SOUTHERN HASKELL COUNTIES...

AT 459 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL AND DAMAGING WINDS TO 70 MPH. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM MCCURTAIN TO HARTSHORNE TO 10 MILES
NORTHWEST OF STANLEY...MOVING EAST AT 40 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...MCCURTAIN...
WILBURTON...MILTON...HIGGINS...STANLEY...PANOLA...BOKOSHE...SARDIS...
DAMON...COWLINGTON...RED OAK...CLAYTON...YANUSH...PANAMA...SPIRO...
TUSKAHOMA...SHADY POINT...SCULLYVILLE...FANSHAWE...BRADEN...
KIAMICHI...POCOLA...BENGAL...CAMERON...ARKOMA...ROCK ISLAND...
ALBION...POTEAU...TALIHINA...SUMMERFIELD...WISTER...HOWE...HONOBIA...
WHITESBORO...HEAVENER...MUSE...HODGEN...OCTAVIA AND BIG CEDAR.

A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. IF YOU ARE NEAR THE PATH
OF THIS STORM...YOU SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER
CONDITIONS AND BE READY TO ACT QUICKLY.

THIS STORM IS LIKELY PRODUCING LARGE HAIL AND DAMAGING WINDS. SEEK
SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

LAT...LON 3451 9580 3453 9569 3457 9568 3459 9589
      3483 9586 3530 9503 3535 9470 3529 9468
      3528 9464 3533 9461 3531 9451 3539 9444
      3453 9446 3445 9580
TIME...MOT...LOC 2202Z 272DEG 38KT 3520 9491 3481 9554
          3462 9558

$$

000 
WWUS54 KTSA 312221
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
521 PM CDT MON MAR 31 2008

OKC061-077-079-121-127-312315-
/O.CON.KTSA.SV.W.0126.000000T0000Z-080331T2315Z/
HASKELL OK-LE FLORE OK-PITTSBURG OK-PUSHMATAHA OK-LATIMER OK-
521 PM CDT MON MAR 31 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR LATIMER...NORTHERN PUSHMATAHA...SOUTHERN PITTSBURG...LE FLORE AND
SOUTHEASTERN HASKELL COUNTIES...

AT 520 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL AND DAMAGING WINDS TO 70 MPH. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM PANAMA TO DAMON TO STANLEY...MOVING EAST
AT 40 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...YANUSH...
PANAMA...CLAYTON...SPIRO...TUSKAHOMA...SHADY POINT...SCULLYVILLE...
FANSHAWE...BENGAL...BRADEN...POCOLA...KIAMICHI...ARKOMA...ROCK
ISLAND...CAMERON...ALBION...SUMMERFIELD...POTEAU...TALIHINA...
WISTER...HOWE...WHITESBORO...HONOBIA...HEAVENER...MUSE...HODGEN...BIG
CEDAR AND OCTAVIA.

A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. IF YOU ARE NEAR THE PATH
OF THIS STORM...YOU SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER
CONDITIONS AND BE READY TO ACT QUICKLY.

THIS STORM IS LIKELY PRODUCING LARGE HAIL AND DAMAGING WINDS. SEEK
SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

LAT...LON 3451 9580 3453 9569 3457 9568 3459 9589
      3466 9588 3531 9486 3535 9470 3529 9468
      3528 9464 3533 9461 3531 9451 3539 9444
      3453 9446 3445 9580
TIME...MOT...LOC 2221Z 272DEG 38KT 3519 9466 3480 9530
          3452 9541

$$

000 
WWUS54 KTSA 312236
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
536 PM CDT MON MAR 31 2008

OKC061-077-079-121-127-312315-
/O.CON.KTSA.SV.W.0126.000000T0000Z-080331T2315Z/
HASKELL OK-LE FLORE OK-PITTSBURG OK-PUSHMATAHA OK-LATIMER OK-
536 PM CDT MON MAR 31 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR LATIMER...NORTHERN PUSHMATAHA...SOUTHERN PITTSBURG...LE FLORE AND
SOUTHEASTERN HASKELL COUNTIES...

AT 532 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL AND DAMAGING WINDS TO 70 MPH. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM SCULLYVILLE TO FANSHAWE TO YANUSH TO 22
MILES WEST OF STANLEY...MOVING EAST AT 40 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...POCOLA...
ARKOMA...SUMMERFIELD...ROCK ISLAND...CAMERON...TALIHINA...POTEAU...
WISTER...ALBION...HOWE...KIAMICHI...TUSKAHOMA...WHITESBORO...
HEAVENER...STANLEY...HODGEN...CLAYTON...MUSE...HONOBIA...BIG CEDAR
AND OCTAVIA.

A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. IF YOU ARE NEAR THE PATH
OF THIS STORM...YOU SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER
CONDITIONS AND BE READY TO ACT QUICKLY.

THIS STORM IS LIKELY PRODUCING LARGE HAIL AND DAMAGING WINDS. SEEK
SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

LAT...LON 3451 9580 3453 9569 3457 9568 3459 9589
      3466 9588 3493 9525 3535 9470 3529 9468
      3528 9464 3533 9461 3531 9451 3539 9444
      3453 9446 3445 9580
TIME...MOT...LOC 2236Z 272DEG 38KT 3524 9448 3499 9479
          3467 9526 3460 9580

$$

000 
WWUS54 KTSA 312252
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
552 PM CDT MON MAR 31 2008

OKC061-312302-
/O.CAN.KTSA.SV.W.0126.000000T0000Z-080331T2315Z/
HASKELL OK-
552 PM CDT MON MAR 31 2008

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HASKELL COUNTY IS
CANCELLED...

LAT...LON 3451 9580 3453 9569 3457 9568 3459 9589
      3466 9588 3488 9523 3532 9454 3531 9451
      3539 9445 3538 9444 3453 9446 3445 9580
TIME...MOT...LOC 2252Z 272DEG 38KT 3522 9445 3500 9448
          3471 9495 3456 9560

$$

OKC077-079-121-127-312315-
/O.CON.KTSA.SV.W.0126.000000T0000Z-080331T2315Z/
LE FLORE OK-PITTSBURG OK-PUSHMATAHA OK-LATIMER OK-
552 PM CDT MON MAR 31 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR SOUTHERN LATIMER...NORTHERN PUSHMATAHA...SOUTHERN PITTSBURG AND
LE FLORE COUNTIES...

AT 549 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL AND DAMAGING WINDS TO 70 MPH. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM POCOLA TO 7 MILES SOUTHEAST OF POTEAU TO
TALIHINA TO 10 MILES WEST OF STANLEY...MOVING EAST AT 40 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...ROCK ISLAND...
ARKOMA...TUSKAHOMA...ALBION...HEAVENER...KIAMICHI...CLAYTON...
HODGEN...STANLEY...WHITESBORO...HONOBIA...MUSE...BIG CEDAR AND
OCTAVIA.

A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. IF YOU ARE NEAR THE PATH
OF THIS STORM...YOU SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER
CONDITIONS AND BE READY TO ACT QUICKLY.

THIS STORM IS LIKELY PRODUCING LARGE HAIL AND DAMAGING WINDS. SEEK
SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

LAT...LON 3451 9580 3453 9569 3457 9568 3459 9589
      3466 9588 3488 9523 3532 9454 3531 9451
      3539 9445 3538 9444 3453 9446 3445 9580
TIME...MOT...LOC 2252Z 272DEG 38KT 3522 9445 3500 9448
          3471 9495 3456 9560

$$

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 Mar 31, 4:41 PM CDT, 7 minutes earlier.

Area forecast discussion, Mar 31, 4:41 PM CDT, 7 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
441 PM CDT MON MAR 31 2008

.MESOSCALE UPDATE...
THE CELL IN PITTSBURG COUNTY HAS EXITED
THE AREA OF BETTER CAPE TO 700 MB AND
THE COLD FRONT IS CATCHING THE CELL
FORCING A MORE LINEAR MODE.  THE
TORNADO WARNING ON THE CELL HAS BEEN
DROPPED.

THE SQUALL LINE / FRONT IS ALSO CATCHING
THE CELL IN COAL COUNTY...WITH A LINE OF STORMS
NOW SOLIDLY EVIDENT FROM MCALESTER TO
GREEN FORREST ARKANSAS.

THE CELL MOVING NORTHEAST ACROSS COLLIN
COUNTY TEXAS TOWARD HUGO EXTRAPOLATES
TO THE RED RIVER AROUND 730 PM.  THE
SQUALL LINE SHOULD BE IN THE HUGO AREA
BEFORE THEN...SO THE CELL WILL LIKELY BE
ABSORBED INTO THE A LINE BEFORE
GETTING DEEP INTO OKLAHOMA.  THE
MERGER TIME WILL BE MONITORED CLOSELY.

OVERALL THE LOW-LEVEL SR-HELICITY IS
BEGINNING TO COME DOWN AS THE BETTER
WINDS START TO SHIFT AWAY FROM THE STORMS
IN OUR CFWA...BUT UNTIL IS COMES DOWN
MORE THERE WILL CONTINUE TO BE MESOCYCLONES
EMBEDDED IN THE LINE.

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...FLASH FLOOD WATCH UNTIL 7 AM TUESDAY FOR OKZ049-OKZ053-OKZ068-
     OKZ069-OKZ072-OKZ074-OKZ075-OKZ076.

AR...FLASH FLOOD WATCH UNTIL 7 AM TUESDAY FOR ARZ001-ARZ002-ARZ010-
     ARZ011-ARZ019-ARZ020-ARZ029.

&&

SHORT TERM...08
LONG TERM....99

Hazardous weather outlook, Mar 31, 1:21 PM CDT, 3 hours 27 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
121 PM CDT MON MAR 31 2008

ARZ001-002-010-011-019-020-029-OKZ049-053>076-011000-
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-
121 PM CDT MON MAR 31 2008

...SIGNIFICANT SEVERE WEATHER LIKELY THIS AFTERNOON AND EVENING
WITH THE THREAT FOR TORNADOES...

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

TORNADO.
        RISK...SIGNIFICANT.
        AREA...EASTERN OKLAHOMA AND WESTERN ARKANSAS.
        ONSET...ONGOING.

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

SEVERE THUNDERSTORM.
	RISK...SIGNIFICANT.
	AREA...EASTERN OKLAHOMA AND WESTERN ARKANSAS.
	ONSET...ONGOING.

	AREA AT GREATEST RISK...ENTIRE AREA ALONG AND SOUTH OF I44.

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

	AREA AT GREATEST RISK...FAR NORTHEAST OKLAHOMA EARLY THIS
        AFTERNOON...SOUTHEAST OKLAHOMA AND WEST CENTRAL ARKANSAS LATER
        THIS AFTERNOON AND EVENING.

HEAVY RAIN.
	RISK...SIGNIFICANT.
	AREA...EASTERN OKLAHOMA AND WESTERN ARKANSAS.
	ONSET...ONGOING.

	AREA AT GREATEST RISK...ENTIRE AREA ALONG AND SOUTH OF I44.

SIGNIFICANT WINDS.
	RISK...LIMITED.
	AREA...EASTERN OKLAHOMA AND WESTERN ARKANSAS.
	ONSET...ONGOING.

DISCUSSION...
SEVERE THUNDERSTORMS WERE ONGOING THIS AFTERNOON ALONG AND AHEAD OF
A COLD FRONT...WHICH WAS LOCATED NEAR INTERSTATE 44 AT 1 PM. STRONG
LOW LEVEL WINDS WILL CONTINUE TO ENHANCE LIFT AND CREATE STRONG WIND
SHEAR OVER THE REGION THROUGH THE AFTERNOON AND EVENING
HOURS...AND WITH A VERY UNSTABLE AIRMASS IN PLACE...SEVERE
THUNDERSTORMS WILL CONTINUE TO DEVELOP ALONG AND AHEAD OF THE
EASTWARD MOVING COLD FRONT. ADDITIONAL DISCRETE SUPERCELLS WILL
DEVELOP ALONG A DRY LINE FURTHER WEST OF THE AREA...AND MAY MOVE
INTO SOUTHEAST OKLAHOMA AND WEST CENTRAL ARKANSAS LATER THIS
AFTERNOON AND EVENING. A SURFACE LOW DEVELOPING OVER SOUTHWEST
OKLAHOMA WILL MOVE EAST AS WELL...CAUSING LOW LEVEL WINDS TO BACK
TO THE SOUTH ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS. THIS
WILL ENHANCE THE TORNADO THREAT WITH ANY DISCRETE SUPERCELLS THAT
DEVELOP ALONG OR AHEAD OF THE COLD FRONT AND DRY LINE. THE GREATEST
THREAT FOR TORNADOES...INCLUDING A FEW STRONG LONG TRACK
TORNADOES...WILL BE ACROSS SOUTHEAST OKLAHOMA AND WEST CENTRAL ARKANSAS IN
THE AREA CLOSEST TO THE TRIPLE POINT AND EAST OF THE SURFACE LOW.
HOWEVER...THE ENTIRE AREA AHEAD OF THE COLD FRONT WILL HAVE SOME TORNADO
THREAT THIS AFTERNOON THROUGH THIS EVENING. DUE TO THE VERY MOIST
LOW LEVELS...HP SUPERCELLS ARE LIKELY...WHICH MAY MAKE IT
DIFFICULT TO SEE TORNADOES. RESIDENTS ARE URGED TO REMAIN ALERT
AND TAKE IMMEDIATE ACTION WHEN WARNINGS ARE ISSUED FOR THEIR AREA.
IN ADDITION TO THE TORNADO THREAT...VERY LARGE AND DAMAGING HAIL
WILL BE POSSIBLE.

THE STORMS TODAY WILL BE EFFICIENT RAIN PRODUCERS...SO THE THREAT
FOR VERY HEAVY RAINFALL WILL CONTINUE AS WELL. AREAS THAT RECEIVED
EXCESSIVE RAINFALL EARLIER TODAY AND YESTERDAY WILL BE AT A
PARTICULAR RISK FOR FLASH FLOODING. PLEASE REFER TO THE LATEST FLASH
FLOOD WATCH /OKCFFATSA/.

THE SEVERE WEATHER MODE WILL EVOLVE INTO MORE OF A LINEAR SQUALL
LINE THREAT THIS EVENING AS THE COLD FRONT MOVES SOUTHWARD THROUGH
THE REGION. LARGE HAIL WILL REMAIN A THREAT...ALONG WITH DAMAGING
STRAIGHT LINE WINDS AND HEAVY RAINFALL.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
SPOTTER ACTIVATION WILL BE REQUIRED. RESIDENTS SHOULD CONTINUE TO
MONITOR THIS SITUATION VERY CLOSELY. ADDITIONAL WATCHES AND WARNINGS
WILL CONTINUE TO BE ISSUED THIS AFTERNOON AND EVENING

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

EXTENDED DISCUSSION...
GUSTY WINDS BEHIND TODAYS COLD FRONT WILL CONTINUE ON TUESDAY. ANOTHER
POTENT UPPER TROUGH WILL APPROACH THE REGION LATE WEDNESDAY INTO
THURSDAY. ANOTHER ROUND OF SEVERE WEATHER WILL BE POSSIBLE AS
ANOTHER COLD FRONT MOVES INTO A MOIST AND UNSTABLE AIRMASS.

EMERGENCY MANAGEMENT PLANNING STATEMENT...
EMERGENCY MANAGERS SHOULD CLOSELY MONITOR FORECASTS FOR THE LATEST
INFORMATION REGARDING THIS NEXT POSSIBLE SEVERE WEATHER EVENT.

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

In the hours before

Local storm report, Mar 31, 2:51 PM CDT, 1 hour 57 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
251 PM CDT MON MAR 31 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0220 PM     FLASH FLOOD      PEGGS                   36.08N 95.10W
03/31/2008                   CHEROKEE           OK   PUBLIC

            HIGHWAY 82 FLOODED NEAR PEGGS.

0228 PM     HAIL             PEGGS                   36.08N 95.10W
03/31/2008  E0.75 INCH       CHEROKEE           OK   PUBLIC

&&

Local storm report, Mar 31, 3:04 PM CDT, 1 hour 44 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
304 PM CDT MON MAR 31 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0230 PM     HAIL             GENTRY                  36.27N 94.48W
03/31/2008  E0.88 INCH       BENTON             AR   LAW ENFORCEMENT

&&

Local storm report, Mar 31, 3:15 PM CDT, 1 hour 33 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
315 PM CDT MON MAR 31 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0140 PM     TSTM WND DMG     WYANDOTTE               36.79N 94.72W
03/31/2008                   OTTAWA             OK   EMERGENCY MNGR

            TREES DOWN...BUILDINGS DAMAGED FROM WYANDOTTE ON EAST TO
            THE COUNTY LINE.

&&

Special weather statement, Mar 31, 4:10 PM CDT, 38 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
410 PM CDT MON MAR 31 2008

ARZ002-010-011-019-020-312215-
CARROLL AR-CRAWFORD AR-FRANKLIN AR-MADISON AR-WASHINGTON AR-
410 PM CDT MON MAR 31 2008

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 515 PM CDT
FOR THE FOLLOWING COUNTIES...

IN NORTHWEST ARKANSAS
     SOUTHERN WASHINGTON...EASTERN CARROLL...NORTHERN CRAWFORD AND
     MADISON

IN WEST CENTRAL ARKANSAS
     NORTHERN FRANKLIN

AT 410 PM CDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A
LINE EXTENDING FROM 4 MILES NORTH OF DENVER TO MAYFIELD TO LINCOLN...
MOVING EAST AT 40 MPH.

A LARGE PORTION OF SOUTHERN WASHINGTON...EASTERN CARROLL...NORTHERN
CRAWFORD...NORTHERN FRANKLIN AND MADISON COUNTIES WILL BE AFFECTED BY
THESE STORMS THROUGH 515 PM CDT.

THESE STORMS WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS
TO 50 MPH. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE
SIGNIFICANT WEATHER ALERT IS UPGRADED TO A WARNING.

LAT...LON 3613 9327 3611 9345 3597 9342 3592 9349
      3575 9353 3576 9366 3572 9367 3566 9401
      3565 9447 3568 9449 3593 9452 3609 9407
      3647 9337 3647 9328
TIME...MOT...LOC 2110Z 271DEG 38KT 3645 9329 3613 9389
          3597 9440

Local storm report, Mar 31, 4:39 PM CDT, 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
439 PM CDT MON MAR 31 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0200 PM     FLASH FLOOD      INOLA                   36.15N 95.51W
03/31/2008                   ROGERS             OK   LAW ENFORCEMENT

            NUMEROUS CITY STREETS FLOODED

0230 PM     FLASH FLOOD      CHOUTEAU                36.19N 95.34W
03/31/2008                   MAYES              OK   LAW ENFORCEMENT

            WATER OVER MANY COUNTY ROADS ACROSS SOUTHERN MAYES COUNTY

&&

Special weather statement, Mar 31, 4:40 PM CDT, 8 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
440 PM CDT MON MAR 31 2008

ARZ001-002-010-011-019-020-OKZ069-312245-
ADAIR OK-BENTON AR-CARROLL AR-CRAWFORD AR-FRANKLIN AR-MADISON
AR-WASHINGTON AR-
440 PM CDT MON MAR 31 2008

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 545 PM CDT
FOR THE FOLLOWING COUNTIES...

IN NORTHWEST ARKANSAS
     WASHINGTON...CARROLL...NORTHERN CRAWFORD...EASTERN BENTON AND
     MADISON

IN WEST CENTRAL ARKANSAS
     NORTHEASTERN FRANKLIN

IN NORTHEAST OKLAHOMA
     SOUTHERN ADAIR

AT 440 PM CDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A
LINE EXTENDING FROM 2 MILES NORTHEAST OF GREEN FOREST TO 7 MILES
SOUTHWEST OF ODELL...MOVING EAST AT 40 MPH. MANY LOCATIONS IN THE
ALERT AREA WILL BE AFFECTED BY THESE THUNDERSTORMS.

THESE STORMS WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS
TO 50 MPH. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE
SIGNIFICANT WEATHER ALERT IS UPGRADED TO A WARNING.

LAT...LON 3613 9327 3611 9330 3611 9345 3607 9342
      3597 9342 3594 9347 3588 9350 3577 9350
      3569 9480 3573 9480 3649 9391 3649 9328
TIME...MOT...LOC 2140Z 261DEG 38KT 3637 9338 3571 9448

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 31, 3:33 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee	57 min
Mar 31, 3:54 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	66 min
Mar 31, 3:56 AM CDT	Flash Flood Watch	TSA	Adair, Cherokee, Choctaw, Craig, Delaware, Haskell and 10 more	19 hr
Mar 31, 4:24 AM CDT	Flash Flood Warning	TSA	Pawnee	4 hr
Mar 31, 4:28 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	62 min
Mar 31, 4:50 AM CDT	Flash Flood Warning	TSA	Osage, Pawnee	4 hr
Mar 31, 4:52 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	53 min
Mar 31, 5:22 AM CDT	Tornado Warning	TSA	Osage, Pawnee	38 min
Mar 31, 5:29 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	46 min
Mar 31, 5:49 AM CDT	Tornado Warning	TSA	Osage	41 min
Mar 31, 6:06 AM CDT	Tornado Warning	TSA	Osage, Washington	39 min
Mar 31, 6:08 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Tulsa	37 min
Mar 31, 6:15 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	45 min
Mar 31, 6:21 AM CDT	Severe Thunderstorm Warning	TSA	Nowata, Rogers	54 min
Mar 31, 6:45 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Washington	45 min
Mar 31, 6:49 AM CDT	River Flood Warning	TSA	Pawnee	25 hr
Mar 31, 6:58 AM CDT	Severe Thunderstorm Warning	TSA	Craig, Rogers	62 min
Mar 31, 7:14 AM CDT	Severe Thunderstorm Warning	TSA	Nowata, Rogers	31 min
Mar 31, 7:30 AM CDT	Tornado Warning	TSA	Rogers, Washington	30 min
Mar 31, 7:31 AM CDT	Severe Thunderstorm Warning	TSA	Nowata, Washington	44 min
Mar 31, 7:33 AM CDT	Flash Flood Warning	TSA	Craig, Nowata, Osage, Ottawa, Rogers, Washington	3 hr
Mar 31, 7:43 AM CDT	Special Weather Statement	TSA	Ottawa	47 min
Mar 31, 7:57 AM CDT	Severe Thunderstorm Warning	TSA	Craig, Ottawa	53 min
Mar 31, 7:58 AM CDT	Severe Thunderstorm Warning	TSA	Rogers	33 min
Mar 31, 8:03 AM CDT	Special Weather Statement	TSA	Washington	57 min
Mar 31, 8:14 AM CDT	Severe Thunderstorm Warning	TSA	Craig, Nowata	61 min
Mar 31, 8:21 AM CDT	Severe Thunderstorm Warning	TSA	Nowata, Osage, Washington	54 min
Mar 31, 9:24 AM CDT	Special Weather Statement	TSA	Pawnee	36 min
Mar 31, 9:35 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	115 min
Mar 31, 10:38 AM CDT	Severe Thunderstorm Warning	TSA	Washington	67 min
Mar 31, 10:51 AM CDT	Severe Thunderstorm Warning	TSA	Nowata	54 min
Mar 31, 10:56 AM CDT	Special Weather Statement	TSA	Creek	34 min
Mar 31, 11:09 AM CDT	Severe Thunderstorm Warning	TSA	Osage	66 min
Mar 31, 11:13 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee, Tulsa	62 min
Mar 31, 11:28 AM CDT	Severe Thunderstorm Warning	TSA	Nowata, Rogers	62 min
Mar 31, 11:33 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	42 min
Mar 31, 11:41 AM CDT	River Flood Warning	TSA	Osage	9 hr
Mar 31, 11:42 AM CDT	Severe Thunderstorm Warning	TSA	Craig, Ottawa	93 min
Mar 31, 11:45 AM CDT	Severe Thunderstorm Warning	TSA	Nowata, Washington	60 min
Mar 31, 11:50 AM CDT	Tornado Warning	TSA	Nowata	29 min
Mar 31, 11:58 AM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Rogers, Wagoner	77 min
Mar 31, 12:16 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okmulgee, Osage, Tulsa	89 min
Mar 31, 12:30 PM CDT	Severe Thunderstorm Warning	TSA	Rogers	75 min
Mar 31, 12:45 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Craig, Delaware, Mayes, Ottawa, Wagoner	2 hr
Mar 31, 1:14 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Rogers, Wagoner	31 min
Mar 31, 1:24 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee	2 hr
Mar 31, 1:33 PM CDT	Flash Flood Warning	TSA	Cherokee, Mayes, Okmulgee, Rogers, Tulsa, Wagoner	117 min
Mar 31, 1:45 PM CDT	Severe Thunderstorm Warning	TSA	Tulsa, Wagoner	75 min
Mar 31, 1:49 PM CDT	Severe Thunderstorm Warning	TSA	Adair	71 min
Mar 31, 2:06 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Muskogee	114 min
Mar 31, 2:31 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	59 min
Mar 31, 2:39 PM CDT	Flash Flood Warning	TSA	Adair, Cherokee, Delaware	3 hr
Mar 31, 2:39 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Wagoner	96 min
Mar 31, 2:43 PM CDT	Flash Flood Warning	TSA	McIntosh, Muskogee, Okfuskee, Okmulgee, Wagoner	3 hr
Mar 31, 2:46 PM CDT	Tornado Warning	TSA	McIntosh, Okfuskee, Okmulgee	32 min
Mar 31, 3:23 PM CDT	Flash Flood Warning	TSA	Cherokee, Delaware, Mayes, Muskogee, Okmulgee, Rogers and 2 more	2 hr
Mar 31, 3:26 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	94 min
Mar 31, 3:51 PM CDT	Flash Flood Warning	TSA	Adair, Cherokee, Haskell, McIntosh, Muskogee, Pittsburg and 1 more	3 hr
Mar 31, 3:57 PM CDT	Severe Thunderstorm Warning	TSA	Adair	29 min
Mar 31, 4:02 PM CDT	Tornado Warning	TSA	Pittsburg	28 min
Mar 31, 4:07 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	53 min
Mar 31, 4:11 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, Muskogee, Sequoyah	64 min
Mar 31, 5:18 PM CDT	Severe Thunderstorm Warning	TSA	Sequoyah	87 min
Mar 31, 5:40 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Pushmataha	2 hr
Mar 31, 5:48 PM CDT	Flash Flood Warning	TSA	Haskell, Latimer, LeFlore, Pittsburg, Pushmataha, Sequoyah	117 min
Mar 31, 6:00 PM CDT	Tornado Warning	TSA	Choctaw	60 min
Mar 31, 6:14 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	61 min
Mar 31, 6:58 PM CDT	Tornado Warning	TSA	Choctaw	47 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.