Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 86, NWS Tulsa, OK

April 5, 2005Haskell County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 5, 2005, 5:40 PM CDT for Haskell County, Oklahoma. It was in force for 65 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, 5:40 PM CDT (22:40 UTC)
Expired: Apr 5, 2005, 6:45 PM CDT
In force: 65 min
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

County Haskell County, OK

The radar

The Western Arkansas radar (KSRX), 82 km from the middle of the area, began a volume at 22:42 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	Tornado Watch	SPC	7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 10.7 hours before the alert went out and 195 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: 179 J/kg
Mixed-layer CIN: -475 J/kg
Mixed-layer LCL: 867 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 296 m²/s²
0-3 km storm-relative helicity: 224 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 052240
SVRTSA
OKC061-052345-
/O.NEW.KTSA.SV.W.0086.050405T2240Z-050405T2345Z/

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

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HASKELL COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 645 PM CDT

* AT 537 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL AND
  DAMAGING WINDS TO 70 MPH.  THIS STORM WAS LOCATED 16 MILES
  SOUTHWEST OF KINTA...MOVING NORTHEAST AT 35 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...KINTA...
  WHITEFIELD...STIGLER...KEOTA AND TAMAHA.

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.

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.

LAT...LON 3511 9548 3501 9546 3522 9482 3545 9505

$$

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, 5:28 PM CDT, 12 minutes earlier.

Area forecast discussion, Apr 5, 5:28 PM CDT, 12 minutes before

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

.MESOSCALE DISCUSSION...
THREE HOUR SURFACE PRESSURE FALLS OVER SE OKALHOMA...AHEAD OF THE
SOUTHEAST BOUND SURFACE LOW CONTINUE TO SUPPORT BACKED AND GUSTY
SURFACE WINDS AND SR-HELICITY TO THE LCL FROM 150 TO 300 M2/S3 IN
MUCH OF SE OKLAHOMA AND WEST-CENTRAL ARKANSAS.  THIS WILL SUPPORT
CONTINUED LOW-LEVEL MESOCYCLONES. CELL INTERACTIONS CONTINUE TO BE
DISRUPTIVE TO THE TORNADO PROCESS...BUT STORM-SCALE AFFECTS CAN
CHANGE QUICKLY AND SOME TORNADO THREAT WILL CONTINUE WITH THE
STRONGER CELLS.  THE CELL MOVING INTO LATIMER COUNTY HAS SHOWN MORE
PROLONGED SUPERCELL CHARACTERISTICS AND WILL BE MONITORED CLOSELY
FOR AN INCREASED TORNADO THREAT.

&&

.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, 2 hours 10 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, 4:52 PM CDT, 48 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

Local storm report, Apr 5, 4:59 PM CDT, 41 minutes before

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

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

0457 PM     HAIL             SAVANNA                 34.83N 95.84W
04/05/2005  0.88 INCH        PITTSBURG          OK   FIRE DEPT/RESCUE

&&

SFP

Local storm report, Apr 5, 5:09 PM CDT, 31 minutes before

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

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

0501 PM     HAIL             OWASSO                  36.27N 95.85W
04/05/2005  0.75 INCH        TULSA              OK   AMATEUR RADIO

&&

SFP

Local storm report, Apr 5, 5:15 PM CDT, 25 minutes before

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

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

0503 PM     HAIL             HITCHITA                35.52N 95.75W
04/05/2005  0.75 INCH        MCINTOSH           OK   TRAINED SPOTTER

&&

SFP

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

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

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

0514 PM     HAIL             4 NE WANN               36.96N 95.75W
04/05/2005  1.00 INCH        NOWATA             OK   PUBLIC

&&

SFP

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

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

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

0511 PM     HAIL             ALDERSON                34.90N 95.69W
04/05/2005  1.00 INCH        PITTSBURG          OK   STORM CHASER

&&

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, 4:56 PM CDT	Severe Thunderstorm Warning	TSA	Tulsa, Washington	64 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, 5:44 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.