Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 139, NWS Tulsa, OK

April 22, 2004McIntosh County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 22, 2004, 2:39 AM CDT for McIntosh County, Oklahoma. It was in force for 51 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 22, 2004, 2:39 AM CDT (07:39 UTC)
Expired: Apr 22, 2004, 3:30 AM CDT
In force: 51 min
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

County McIntosh County, OK

The radar

The Tulsa radar (KINX), 80 km from the middle of the area, began a volume at 07:42 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 21, 10:50 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 7.7 hours before the alert went out and 162 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: 415 J/kg
Mixed-layer CIN: -82 J/kg
Mixed-layer LCL: 1340 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 120 m²/s²
0-3 km storm-relative helicity: 357 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 11.0

Open this sounding in Storm Lab

The text

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

774 
WUUS54 KTSA 220739
SVRTUL
OKC091-220830-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
239 AM CDT THU APR 22 2004

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

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

* UNTIL 330 AM CDT

* AT 239 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 9
  MILES WEST OF COUNCIL HILL...MOVING EAST AT 35 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...EUFAULA...
  CHECOTAH...STIDHAM...RENTIESVILLE AND COUNCIL HILL.

HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 60 MPH CAN BE 
EXPECTED IN THE WARNED AREA. STAY INDOORS AND AWAY FROM WINDOWS 
UNTIL THE STORM HAS PASSED.

LAT...LON 3555 9582 3556 9560 3548 9535 3540 9535
          3524 9564 3541 9586

$$

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 22, 12:15 AM CDT, 2 hours 24 minutes earlier.

Area forecast discussion, Apr 22, 12:15 AM CDT, 2 hours 24 minutes before

AREA FORECAST DISCUSSION...MESOSCALE UPDATE
NATIONAL WEATHER SERVICE TULSA OKLAHOMA
1215 AM CDT THU APR 22 2004

STORMS THAT INTERACT WITH THE STALLED BOUNDARY IN MCINTOSH AND AND
HASKELL COUNTIES CONTINUE TO SHOW SUPERCELL CHARACTERISTICS.  THIS
IS NEAR WHERE THE LOW-LEVEL JET MOVES OVER TOP OF THE BOUNDARY.
MESOCYCLONES IN THESE CELLS INTENSIFY AT TIMES IN THE LOW-LEVELS
PROMPT TORNADO WARNINGS.  IN THE LONGER TERM...IF THESE CELL
CONTINUE EAST THEY WILL MOVE INTO A MORE STABLE AIRMASS IN THE
FORT SMITH AREA AND BECOME LESS ROOTED IN THE BOUNDARY LAYER.  IF
THEY TURN SOUTHEAST ALONG THE BOUNDARY...THE CELLS WOULD BE IN A
FAVORABLE ENVIRONMENT FOR ROTATION FOR A LONGER PERIOD OF TIME.

IN GENERAL THUNDERSTORMS WILL CONTINUE ALONG AND NORTH OF THE THIS
BOUNDARY FOR THE NEXT SEVERAL HOURS AS LIFT IS ENAHNCED BY THE
LOW-LEVEL JET.

THE BOW ECHO MOVING INTO OSAGE AND PAWNEE COUNTIES HAS THE POTENTIAL
TO PRODUCE WIND DAMAGE FOR THE NEXT COUPLE OF HOURS AS IT MOVES INTO
NORTHEAST OKLAHOMA.

FORECAST ID= 08

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

Hazardous weather outlook, Apr 21, 1:00 PM CDT, 13 hours 39 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
100 PM CDT WED APR 21 2004

ARZ001-002-010-011-019-020-029-OKZ049-053>076-221100-
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-
100 PM CDT WED APR 21 2004

.DAY ONE...THIS AFTERNOON AND TONIGHT

...SEVERE WEATHER OUTBREAK IS EXPECTED ACROSS EASTERN OKLAHOMA AND
   NORTHWEST ARKANSAS...

SIGNIFICANT SEVERE WEATHER IS EXPECTED ACROSS EASTERN OKLAHOMA AND
NORTHWEST ARKANSAS BEGINNING THIS AFTERNOON AND CONTINUING THROUGH
TONIGHT.  LARGE HAIL...DAMAGING WINDS...AND TORNADOES ARE LIKELY.

INSTABILITY HAS ALREADY BUILT TO IMPRESSIVE LEVELS ACROSS MUCH OF
EASTERN OKLAHOMA AHEAD OF AN APPROACHING MID LEVEL DISTURBANCE.
WIND FIELDS ASSOCIATED WITH THIS DISTURBANCE ARE RATHER STRONG AND
WILL CONTRIBUTE TO A FAVORABLE ENVIRONMENT FOR SUPERCELLS TO DEVELOP.

A STATIONARY FRONT IS LOCATED FROM NEAR JOPLIN MISSOURI STRETCHING
INTO THE TEXAS PANHANDLE.  FURTHER SOUTH...A WEAKER YET PRONOUNCED
OUTFLOW BOUNDARY REMAINS FROM THE PREVIOUS NIGHTS THUNDERSTORMS.
THIS BOUNDARY IS RUNNING VERY NEAR THE ARKANSAS RIVER VALLEY FROM
FORT SMITH WESTWARD AND INTERSECTING THE STATIONARY FRONT ACROSS
CENTRAL OKLAHOMA.  THIS BOUNDARY MAY DRIFT A BIT FURTHER NORTHWARD
HOWEVER THIS GENERAL PLACEMENT IS EXPECTED BY MID AFTERNOON WHEN
INITIAL THUNDERSTORM DEVELOPMENT WILL OCCUR.  ADDITIONAL
THUNDERSTORMS WILL DEVELOP ALONG THE STATIONARY FRONT ACROSS
NORTHERN OKLAHOMA AND SPREAD INTO NORTHEAST OKLAHOMA DURING THE
EVENING.

ACCOMPANYING THE SEVERE WEATHER THREAT WILL BE AN ELEVATED RISK OF
FLASH FLOODING ACROSS NORTHEAST OKLAHOMA WHERE PREVIOUS RAIN EVENTS
HAVE SATURATED THE SOIL LEAVING ANY ADDITIONAL RAINS TO CONTRIBUTE
TO A FLASH FLOOD POTENTIAL.

WARNING PROBABILITIES FOR SEVERE THUNDERSTORMS AND TORNADOES CAN BE
FOUND IN THE CURRENT HAZARDS SECTION AT: WWW.SRH.NOAA.GOV/TULSA.
GIVEN PROBABILITIES REPRESENT THE POTENTIAL FOR A WARNING TO BE
ISSUED AT YOUR LOCATION.

SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT...
SPOTTER ACTIVATION WILL BE REQUIRED LATER TODAY. EMERGENCY
MANAGEMENT PERSONNEL ACROSS THE ENTIRE OUTLOOK AREA SHOULD HAVE
ALREADY COMPLETED PREPARATIONS FOR SIGNIFICANT SEVERE WEATHER.
ADDITIONAL PREPARATIONS FOR POTENTIALLY DAMAGING TORNADOES SHOULD BE
CONSIDERED.  PERSONAL DEDICATED TO MONITORING THE LATEST WEATHER
CONDITIONS AND STATEMENTS IS RECOMMENDED.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
WIDESPREAD AND SIGNIFICANT SEVERE WEATHER WILL AGAIN BE POSSIBLE BOTH
THURSDAY AND FRIDAY.  LATER FORECASTS AND STATEMENTS SHOULD BE
CLOSELY MONITORED FOR FURTHER INFORMATION FOR THIS TIMEFRAME.

A RETURN TO MORE TRANQUIL WEATHER WILL ARRIVE BY THE WEEKEND AND
CONTINUE INTO EARLY NEXT WEEK.

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

In the hours before

Local storm report, Apr 22, 12:36 AM CDT, 2 hours 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1236 AM CDT THU APR 22 2004

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

1233 AM     HAIL             KEOTA                   35.26N 94.92W
04/22/2004  0.75 INCH        HASKELL            OK   AMATEUR RADIO

&&

SP

Local storm report, Apr 22, 1:20 AM CDT, 1 hour 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
120 AM CDT THU APR 22 2004

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

0111 AM     HAIL             SPIRO                   35.24N 94.62W
04/22/2004  1.00 INCH        LE FLORE           OK   AMATEUR RADIO

&&

SP

Local storm report, Apr 22, 1:32 AM CDT, 1 hour 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
132 AM CDT THU APR 22 2004

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

0111 AM     FLASH FLOOD      SPIRO                   35.24N 94.62W
04/22/2004                   LE FLORE           OK   AMATEUR RADIO

            SIGNIFICANT STREET FLOODING WAS OCCURRING.

&&

SP

Local storm report, Apr 22, 1:59 AM CDT, 40 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
159 AM CDT THU APR 22 2004

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

0155 AM     HAIL             3 E PANAMA              35.17N 94.62W
04/22/2004  0.75 INCH        LE FLORE           OK   AMATEUR RADIO

&&

SP

Local storm report, Apr 22, 2:12 AM CDT, 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
212 AM CDT THU APR 22 2004

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

0212 AM     TSTM WND GST     GREENWOOD               35.22N 94.26W
04/22/2004  60 MPH           SEBASTIAN          AR   LAW ENFORCEMENT

&&

SP

Local storm report, Apr 22, 2:26 AM CDT, 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
226 AM CDT THU APR 22 2004

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

0224 AM     TSTM WND GST     PRYOR                   36.31N 95.32W
04/22/2004  70 MPH           MAYES              OK   EMERGENCY MNGR

            MEASURED GUST

&&

SP

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 21, 7:09 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee	81 min
Apr 21, 7:13 PM CDT	Severe Thunderstorm Warning	TSA	Creek	47 min
Apr 21, 7:27 PM CDT	Severe Thunderstorm Warning	TSA	Tulsa	63 min
Apr 21, 8:23 PM CDT	Flash Flood Warning	TSA	Cherokee	4 hr
Apr 21, 9:08 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee	37 min
Apr 21, 9:14 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	61 min
Apr 21, 9:25 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	65 min
Apr 21, 9:58 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Okfuskee, Okmulgee	62 min
Apr 21, 10:02 PM CDT	Severe Thunderstorm Warning	TSA	Adair	43 min
Apr 21, 10:08 PM CDT	Severe Thunderstorm Warning	TSA	Haskell	67 min
Apr 21, 10:40 PM CDT	Severe Thunderstorm Warning	TSA	Sequoyah	65 min
Apr 21, 10:44 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore, Okfuskee	61 min
Apr 21, 10:53 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh	52 min
Apr 21, 11:01 PM CDT	Tornado Warning	TSA	McIntosh	59 min
Apr 21, 11:16 PM CDT	Severe Thunderstorm Warning	TSA	Okmulgee	59 min
Apr 21, 11:24 PM CDT	Tornado Warning	TSA	Haskell, Pittsburg	66 min
Apr 21, 11:41 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee	49 min
Apr 21, 11:49 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	71 min
Apr 21, 11:56 PM CDT	Tornado Warning	TSA	McIntosh	64 min
Apr 22, 12:03 AM CDT	Tornado Warning	TSA	Haskell	42 min
Apr 22, 12:28 AM CDT	Tornado Warning	TSA	LeFlore	47 min
Apr 22, 12:29 AM CDT	Tornado Warning	TSA	Haskell, Muskogee	76 min
Apr 22, 12:43 AM CDT	Severe Thunderstorm Warning	TSA	Creek	62 min
Apr 22, 1:00 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Tulsa, Washington	60 min
Apr 22, 1:16 AM CDT	Flash Flood Warning	TSA	LeFlore	4 hr
Apr 22, 1:23 AM CDT	Severe Thunderstorm Warning	TSA	LeFlore	67 min
Apr 22, 1:34 AM CDT	Severe Thunderstorm Warning	TSA	LeFlore	56 min
Apr 22, 1:38 AM CDT	Severe Thunderstorm Warning	TSA	Okfuskee, Okmulgee	52 min
Apr 22, 1:49 AM CDT	Severe Thunderstorm Warning	TSA	Nowata, Rogers, Wagoner	41 min
Apr 22, 2:10 AM CDT	Severe Thunderstorm Warning	TSA	Mayes	35 min
Apr 22, 3:21 AM CDT	Severe Thunderstorm Warning	TSA	Muskogee	24 min
Apr 22, 3:29 PM CDT	Severe Thunderstorm Warning	TSA	Tulsa, Wagoner	76 min
Apr 22, 3:50 PM CDT	Severe Thunderstorm Warning	TSA	Rogers	70 min
Apr 22, 3:53 PM CDT	Tornado Warning	TSA	Wagoner	37 min
Apr 22, 3:56 PM CDT	Tornado Warning	TSA	Rogers	64 min
Apr 22, 4:20 PM CDT	Tornado Warning	TSA	Tulsa	55 min
Apr 22, 4:27 PM CDT	Tornado Warning	TSA	Mayes	63 min
Apr 22, 4:34 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	56 min
Apr 22, 4:36 PM CDT	Severe Thunderstorm Warning	TSA	Okmulgee	24 min
Apr 22, 4:42 PM CDT	Tornado Warning	TSA	Wagoner	63 min
Apr 22, 5:03 PM CDT	Tornado Warning	TSA	Cherokee, Delaware	72 min
Apr 22, 5:11 PM CDT	Tornado Warning	TSA	Okmulgee, Tulsa	34 min
Apr 22, 5:25 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee, Okmulgee	80 min
Apr 22, 5:26 PM CDT	Tornado Warning	TSA	Mayes	34 min
Apr 22, 5:30 PM CDT	Tornado Warning	TSA	Muskogee	60 min
Apr 22, 5:40 PM CDT	Tornado Warning	TSA	Wagoner	65 min
Apr 22, 5:45 PM CDT	Tornado Warning	TSA	Okmulgee	60 min
Apr 22, 5:48 PM CDT	Tornado Warning	TSA	Adair	57 min
Apr 22, 5:54 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	51 min
Apr 22, 6:05 PM CDT	Severe Thunderstorm Warning	TSA	Craig	55 min
Apr 22, 6:26 PM CDT	Tornado Warning	TSA	Muskogee	64 min
Apr 22, 6:31 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee	59 min
Apr 22, 6:36 PM CDT	Tornado Warning	TSA	Cherokee	54 min
Apr 22, 6:41 PM CDT	Severe Thunderstorm Warning	TSA	Wagoner	64 min
Apr 22, 6:41 PM CDT	Severe Thunderstorm Warning	TSA	Okmulgee	79 min
Apr 22, 6:45 PM CDT	Tornado Warning	TSA	Adair	60 min
Apr 22, 6:51 PM CDT	Tornado Warning	TSA	Craig, Ottawa	54 min
Apr 22, 6:55 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh	95 min
Apr 22, 6:56 PM CDT	Flash Flood Warning	TSA	Adair, Cherokee, Muskogee, Okmulgee, Wagoner	4 hr

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2004 Every severe thunderstorm warning in 2004

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.