Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 80, NWS Tulsa, OK

April 5, 2005Tulsa County, Washington County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 5, 2005, 4:56 PM CDT for Tulsa County, Washington County, Oklahoma. It was in force for 64 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: Apr 5, 2005, 4:56 PM CDT (21:56 UTC)
Expired: Apr 5, 2005, 6:00 PM CDT
In force: 64 min
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

Counties Tulsa County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 58 km from the middle of the area, began a volume at 21:58 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

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
Apr 5, 2:30 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 9.9 hours before the alert went out and 148 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: 674 J/kg
Mixed-layer CIN: -355 J/kg
Mixed-layer LCL: 776 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 289 m²/s²
0-3 km storm-relative helicity: 226 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.

000 
WUUS54 KTSA 052156
SVRTSA
OKC143-147-052300-
/O.NEW.KTSA.SV.W.0080.050405T2156Z-050405T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
456 PM CDT TUE APR 5 2005

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TULSA COUNTY IN NORTHEAST OKLAHOMA
  WASHINGTON COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 600 PM CDT

* AT 454 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL
  AND WINDS TO 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 26 MILES NORTH OF VERA TO OWASSO...MOVING NORTHEAST
  AT 35 MPH.

* THE LINE OF SEVERE THUNDERSTORMS WILL REMAIN MAINLY OVER RURAL
  AREAS OF THE INDICATED COUNTIES.

THIS STORM WILL BE CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING
WINDS. IF NO UNDERGROUND SHELTER IS AVAILABLE TAKE COVER ON THE
LOWEST FLOOR IN AN INTERIOR ROOM AND STAY AWAY FROM WINDOWS.

LAT...LON 3695 9579 3695 9581 3692 9582 3662 9583
      3644 9582 3642 9580 3640 9582 3592 9577
      3594 9590 3700 9590 3699 9582 3699 9579

$$

1 follow-up statement

000 
WWUS54 KTSA 052225
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
525 PM CDT TUE APR 5 2005

OKC143-147-052235-
/O.CAN.KTSA.SV.W.0080.000000T0000Z-050405T2300Z/
WASHINGTON OK-TULSA OK-
525 PM CDT TUE APR 5 2005

...THE SEVERE THUNDERSTORM WARNING FOR TULSA AND WASHINGTON COUNTIES
HAS BEEN CANCELLED...

THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA...THEREFORE THE
SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.

LAT...LON 3695 9579 3695 9581 3692 9582 3662 9583
      3644 9582 3642 9580 3640 9582 3592 9577
      3594 9590 3700 9590 3699 9582 3699 9579

$$

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 Apr 5, 4:52 PM CDT, 4 minutes earlier.

Area forecast discussion, Apr 5, 4:52 PM CDT, 4 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
452 PM CDT TUE APR 5 2005

.MESOSCALE DISCUSSION...
THE LINE OF STORMS CONTINUES EAST WITH LITTLE CHANGE IN THE
SITUATION EXPECTED FOR THE NEXT COUPLE OF HOURS.  EXPERIMENTAL
CONVECTIVE WIND GUST CALCULATIONS CONTINUE TO RANGE BETWEEN THE HIGH
60S AND MID 70S.  IN ADDITION WE ARE RECEIVEING HAIL UP TO 2 INCHES
IN DIAMETER WITH THE MOST INTENSE CELL...1.75 INCH HAIL JUST FELL AT
THE WFO.

SR-HELICITY TO THE LCL ARE HIGHER AHEAD OF THE STORMS...REACHING
NEAR 200 M2/S2 ALONG PARTS OF THE ARKANSAS BORDER...SO LOW-LEVEL
ROTATIONS WILL CONTINUE WITH THE MORE INTENSE UPDRAFTS.

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...SEVERE THUNDERSTORM WATCH UNTIL 9 PM FOR
THE AREA FROM INTERSTATE 40 NORTH TO THE KANSAS BORDER.
TORNADO WATCH UNTIL 9 PM FOR THE AREA SOUTH OF INTERSTATE 40.

AR...TORNADO WATCH SEBASTIAN COUNTY UNTIL 9 PM.
SEVERE THUNDERSTORM WATCH FOR THE REMAINDER OF NORTHWEST ARKANSAS
UNTIL 9 PM.
&&

Hazardous weather outlook, Apr 5, 3:30 PM CDT, 1 hour 26 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
330 PM CDT TUE APR 5 2005

ARZ001-002-010-011-019-020-029-OKZ049-053>076-061000-
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-
330 PM CDT TUE APR 5 2005

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

...SEVERE THUNDERSTORM WATCH FOR NORTHEAST OKLAHOMA AND NORTHWEST
ARKANSAS UNTIL 9 PM...
...TORNADO WATCH FOR SOUTHEAST OKLAHOMA AND WEST CENTRAL ARKANSAS
UNTIL 9 PM...

.DAY ONE...TODAY AND TONIGHT.
TORNADO.
	RISK...ELEVATED.
        AREA....SOUTHEAST OKLAHOMA
        ONSET....AFTER 300 PM.
        AREA AT GREATEST RISK...FAR SOUTHEAST OKLAHOMA.

SEVERE THUNDERSTORM.
	RISK...SIGNIFICANT.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...AFTER 300 PM.
	AREA AT GREATEST RISK...FAR EASTERN OKLAHOMA AND
        NORTHWEST ARKANSAS.

SIGNIFICANT WINDS (NON THUNDERSTORM).
	RISK...ELEVATED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

FIRE WEATHER DANGER.
	RISK...ELEVATED...SPREAD INDEX=60.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
        ONSET...ONGOING.
        AREA AT GREATEST RISK...NORTHEAST OKLAHOMA.

DISCUSSION...
THUNDERSTORMS HAVE ERUPTED THIS AFTERNOON ALONG AND AHEAD OF A
DRYLINE MOVING FROM CENTRAL OKLAHOMA INTO EASTERN OKLAHOMA.  THE
THUNDERSTORMS WERE QUICKLY FORMING INTO A SQUALL LINE THAT WILL
TRACK EASTWARD ACROSS THE AREA THROUGH THE EVENING WITH THE THREAT
FOR VERY LARGE HAIL...DAMAGING WINDS AND TORNADOES. THE GREATEST
TORNADO THREAT WILL BE ACROSS FAR SOUTHEAST OKLAHOMA THROUGH EARLY
EVENING WHERE INSTABILITY AND LOW LEVEL MOISTURE WILL BE MAXIMIZED.

THE MAIN LINE OF STORMS IS EXPECTED TO SHIFT EAST OF THE AREA BY
AROUND MIDNIGHT. ADDITIONAL STRONG TO SEVERE STORMS HOWEVER MAY
DEVELOP ACROSS NORTHEAST OKLAHOMA OVERNIGHT...AS MID LEVEL LAPSE
RATES INCREASE...AS THE UPPER LOW APPROACHES. ANY STORMS THAT
DEVELOP AFTER MIDNIGHT COULD LIKELY PRODUCE LARGE HAIL.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
SPOTTER ACTIVATION WILL BE NEEDED THROUGH THIS EVENING AND
POSSIBLY INTO THE NIGHTTIME HOURS.

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

EXTENDED DISCUSSION...
COLD AIR ALOFT ASSOCIATED WITH THE UPPER LOW WILL LIKELY PRODUCE
SCATTERED STRONG TO SEVERE THUNDERSTORMS ON WEDNESDAY WITH THE
THREAT FOR LARGE HAIL. THE NEXT CHANCE OF THUNDERSTORMS WILL BE
NEXT WEEKEND AS THE NEXT MAJOR WEATHER SYSTEM MOVES TOWARDS THE
AREA. AT THIS TIME IT APPEARS SEVERE WEATHER WILL BE POSSIBLE
WITH THIS SYSTEM.

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

In the hours before

Local storm report, Apr 5, 4:11 PM CDT, 45 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
411 PM CDT TUE APR 05 2005

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

0407 PM     HAIL             1 W HENRYETTA           35.44N 96.00W
04/05/2005  0.88 INCH        OKMULGEE           OK   LAW ENFORCEMENT

&&

SFP

Local storm report, Apr 5, 4:21 PM CDT, 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
421 PM CDT TUE APR 05 2005

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

0350 PM     HAIL             WELEETKA                35.34N 96.14W
04/05/2005  0.88 INCH        OKFUSKEE           OK   LAW ENFORCEMENT

0350 PM     TSTM WND DMG     WELEETKA                35.34N 96.14W
04/05/2005                   OKFUSKEE           OK   LAW ENFORCEMENT

            15 IN DIA TREE BLOWN DOWN

&&

SFP

Local storm report, Apr 5, 4:36 PM CDT, 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
436 PM CDT TUE APR 05 2005

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

0430 PM     HAIL             TULSA                   36.13N 95.92W
04/05/2005  1.75 INCH        TULSA              OK   PUBLIC

            GOLF BALL HAIL AT 101ST AND YALE

&&

CAS

Local storm report, Apr 5, 4:38 PM CDT, 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
438 PM CDT TUE APR 05 2005

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

0418 PM     HAIL             MORRIS                  35.61N 95.86W
04/05/2005  1.00 INCH        OKMULGEE           OK   LAW ENFORCEMENT

0427 PM     HAIL             TULSA                   36.13N 95.92W
04/05/2005  1.00 INCH        TULSA              OK   AMATEUR RADIO

            52ND AND PEORIA

0429 PM     HAIL             JENKS                   36.02N 95.97W
04/05/2005  1.00 INCH        TULSA              OK   AMATEUR RADIO

0430 PM     HAIL             JENKS                   36.02N 95.97W
04/05/2005  1.00 INCH        TULSA              OK   AMATEUR RADIO

            JONES RIVERSIDE AIRPORT

0430 PM     HAIL             TULSA                   36.13N 95.92W
04/05/2005  1.75 INCH        TULSA              OK   AMATEUR RADIO

            51ST AND PEORIA

&&

SFP

Local storm report, Apr 5, 4:46 PM CDT, 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
446 PM CDT TUE APR 05 2005

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

0445 PM     HAIL             1 E BARTLESVILLE        36.75N 95.96W
04/05/2005  0.88 INCH        WASHINGTON         OK   AMATEUR RADIO

&&

SFP

Local storm report, Apr 5, 4:52 PM CDT, 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
452 PM CDT TUE APR 05 2005

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

0415 PM     HAIL             AVANT                   36.49N 96.06W
04/05/2005  1.00 INCH        OSAGE              OK   PUBLIC

&&

SFP

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 5, 2:50 PM CDT	Severe Thunderstorm Warning	TSA	Creek	55 min
Apr 5, 2:51 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	54 min
Apr 5, 2:58 PM CDT	Severe Thunderstorm Warning	TSA	Osage	62 min
Apr 5, 3:04 PM CDT	Severe Thunderstorm Warning	TSA	Tulsa	56 min
Apr 5, 3:16 PM CDT	Severe Thunderstorm Warning	TSA	Okmulgee	59 min
Apr 5, 3:43 PM CDT	Severe Thunderstorm Warning	TSA	Creek	47 min
Apr 5, 3:43 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	47 min
Apr 5, 3:50 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh	70 min
Apr 5, 3:53 PM CDT	Severe Thunderstorm Warning	TSA	Osage	67 min
Apr 5, 3:56 PM CDT	Severe Thunderstorm Warning	TSA	Tulsa	64 min
Apr 5, 4:06 PM CDT	Severe Thunderstorm Warning	TSA	Washington	54 min
Apr 5, 4:11 PM CDT	Severe Thunderstorm Warning	TSA	Okmulgee	64 min
Apr 5, 4:14 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	91 min
Apr 5, 4:21 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee	69 min
Apr 5, 4:22 PM CDT	Tornado Warning	TSA	Washington	38 min
Apr 5, 4:30 PM CDT	Severe Thunderstorm Warning	TSA	Nowata	90 min
Apr 5, 4:31 PM CDT	Severe Thunderstorm Warning	TSA	Rogers	89 min
Apr 5, 4:45 PM CDT	Severe Thunderstorm Warning	TSA	Wagoner	91 min
Apr 5, 4:58 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh	47 min
Apr 5, 5:21 PM CDT	Severe Thunderstorm Warning	TSA	Latimer	84 min
Apr 5, 5:27 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee	48 min
Apr 5, 5:28 PM CDT	Severe Thunderstorm Warning	TSA	Mayes	92 min
Apr 5, 5:33 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Pushmataha	117 min
Apr 5, 5:40 PM CDT	Severe Thunderstorm Warning	TSA	Haskell	65 min
Apr 5, 5:44 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	61 min
Apr 5, 5:47 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee	88 min
Apr 5, 5:52 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Nowata	83 min
Apr 5, 6:05 PM CDT	Tornado Warning	TSA	Pushmataha	55 min
Apr 5, 6:10 PM CDT	Tornado Warning	TSA	Haskell	50 min
Apr 5, 6:22 PM CDT	Severe Thunderstorm Warning	TSA	Delaware	83 min
Apr 5, 6:27 PM CDT	Tornado Warning	TSA	Choctaw	66 min
Apr 5, 6:43 PM CDT	Severe Thunderstorm Warning	TSA	Latimer	47 min
Apr 5, 6:48 PM CDT	Tornado Warning	TSA	Sequoyah	57 min
Apr 5, 6:51 PM CDT	Tornado Warning	TSA	Latimer, LeFlore	54 min
Apr 5, 6:57 PM CDT	Tornado Warning	TSA	Pushmataha	48 min
Apr 5, 6:57 PM CDT	Tornado Warning	TSA	Haskell	48 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2005 Every severe thunderstorm warning in 2005

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.