Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 187, NWS Tulsa, OK

April 24, 2006Osage County, Pawnee County, Washington County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 24, 2006, 12:14 PM CDT for Osage County, Pawnee County, Washington County, Oklahoma. It was in force for 61 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: Apr 24, 2006, 12:14 PM CDT (17:14 UTC)
Expired: Apr 24, 2006, 1:15 PM CDT
In force: 61 min
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

Counties Osage County, OK, Pawnee County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 81 km from the middle of the area, began a volume at 17:18 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.

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 24, 7:49 AM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 5.2 hours before the alert went out and 103 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: 1169 J/kg
Mixed-layer CIN: -204 J/kg
Mixed-layer LCL: 869 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 332 m²/s²
0-3 km storm-relative helicity: 405 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 16.8

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 Apr 24, 11:45 AM CDT, 29 minutes earlier.

Area forecast discussion, Apr 24, 11:45 AM CDT, 29 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
1145 AM CDT MON APR 24 2006

.MESOSCALE UPDATE...
HAIL PRODUCERS ALONG THE NORTHEAST OKLAHOMA BORDER
HAVE SHOWN A TENDENCY TO MOVE/PROPAGATE MORE SOUTH
DURING THE LAST 30 MINUTES. NORTHERN TIER COUNTIES
DOWN TO ABOUT STATE HIGHWAY 412 AT RISK DURING THE
NEXT COUPLE OF HOURS.   EXPECT TRANSITION ELEVATED
STORMS TO MORE SURFACE BASED DURING THE MID - LATE
AFTERNOON.                                      GW

&&

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

SHORT TERM FORECASTER ID= 17
LONG TERM FORECASTER ID= 7

Hazardous weather outlook, Apr 24, 8:44 AM CDT, 3 hours 30 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
844 AM CDT MON APR 24 2006

ARZ001-002-010-011-019-020-029-OKZ049-053>076-251000-
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-
844 AM CDT MON APR 24 2006

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

.DAY ONE...TODAY AND TONIGHT.
TORNADO.
	RISK...LIMITED.
	AREA...NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...LATE THIS AFTERNOON.

SEVERE THUNDERSTORM.
	RISK...ELEVATED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

	AREA AT GREATEST RISK...NORTHEAST OKLAHOMA.

DISCUSSION...
ELEVATED STORMS IN NORTH CENTRAL OKLAHOMA AND SOUTH CENTRAL
KANSAS WILL EFFECT PARTS OF NORTHEAST OKLAHOMA.  WITH LARGE
ELEVATED INSTABILITY LARGE HAIL WILL BE POSSIBLE ACROSS A
GOOD PART OF NORTHEAST OKLAHOMA THIS MORNING.

MEANWHILE...A COLD FRONT WILL MAKE ITS WAY SOUTHEAST TOWARD
THE AREA.  STORMS COULD FORM AGAIN LATE THIS AFTERNOON AND
INITIALLY EFFECT NORTHEAST OKLAHOMA BEFORE SPREADING ACROSS
THE REST OF THE AREA BEFORE THE NIGHT IS THROUGH.

ENOUGH SHEAR AND INSTABILITY WILL BE PRESENT FOR ISOLATED
SUPERCELLS...ESPECIALLY ACROSS NORTHEAST OKAHOMA AND DURING
THE EVENING HOURS.  LARGE HAIL AND DAMAGING WILL BE POSSIBLE
ACROSS THE WHOLE AREA.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
SPOTTER ACTIVATION WILL LIKELY BE NEEDED.

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

EXTENDED DISCUSSION...
THUNDERSTORMS WILL LAST INTO TUESDAY...BUT WILL COME FROM AN
END FROM NORTHWEST TO SOUTHEAST AS THE COLD FRONT MOVES AWAY
FROM EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.  HIGH PRESSURE
WILL DOMINATE THE WEATHER WEDNESDAY AND THURSDAY.

THE COMBINATION OF A COLD FRONT COMING FROM THE NORTH AND A
UPPER LEVEL SYSTEM MOVING NORTHEAST FROM THE SOUTHWEST WILL
BRING THUNDERSTORM CHANCES BACK TO THE AREA LATE IN THE WEEK.

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

In the hours before

Local storm report, Apr 24, 9:09 AM CDT, 3 hours 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
909 AM CDT MON APR 24 2006

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

0837 AM     HAIL             18 W BURBANK            36.69N 97.06W
04/24/2006  E0.75 INCH       OSAGE              OK   PUBLIC

&&

NMK

Special weather statement, Apr 24, 9:14 AM CDT, 3 hours before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
914 AM CDT MON APR 24 2006

OKZ059-241515-
PAWNEE OK-
914 AM CDT MON APR 24 2006

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 1015 AM CDT
FOR THE FOLLOWING COUNTY:

IN NORTHEAST OKLAHOMA
     PAWNEE

AT 914 AM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 18
MILES WEST OF PAWNEE...MOVING EAST AT 20 MPH. SOME LOCATIONS THAT
WILL BE AFFECTED BY THIS STORM INCLUDE...PAWNEE...SKEDEE AND RALSTON.

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.

Special weather statement, Apr 24, 9:44 AM CDT, 2 hours 30 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
944 AM CDT MON APR 24 2006

OKZ054-241545-
OSAGE OK-
944 AM CDT MON APR 24 2006

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 1045 AM CDT
FOR THE FOLLOWING COUNTY:

IN NORTHEAST OKLAHOMA
     NORTHERN OSAGE

AT 944 AM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 10
MILES WEST OF GRAINOLA...MOVING EAST NORTHEAST AT 20 MPH.  SOME
LOCATIONS THAT WILL BE AFFECTED BY THIS STORM INCLUDE...GRAINOLA AND
AREAS NORTHWEST.

THIS STORM 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.

Local storm report, Apr 24, 10:22 AM CDT, 1 hour 52 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1022 AM CDT MON APR 24 2006

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

0950 AM     HAIL             5 N PAWNEE              36.41N 96.80W
04/24/2006  E1.00 INCH       PAWNEE             OK   PUBLIC

&&

NMK

Local storm report, Apr 24, 11:38 AM CDT, 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1138 AM CDT MON APR 24 2006

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

0630 AM     HAIL             KETCHUM                 36.52N 95.02W
04/24/2006  E0.75 INCH       CRAIG              OK   EMERGENCY MNGR

0630 AM     HAIL             SPAVINAW                36.39N 95.05W
04/24/2006  E0.75 INCH       MAYES              OK   LAW ENFORCEMENT

&&

NMK

Local storm report, Apr 24, 12:11 PM CDT, 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1211 PM CDT MON APR 24 2006

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

1138 AM     HAIL             COPAN                   36.90N 95.93W
04/24/2006  E0.75 INCH       WASHINGTON         OK   PUBLIC

1159 AM     HAIL             4 W BARTLESVILLE        36.75N 96.05W
04/24/2006  E0.88 INCH       OSAGE              OK   PUBLIC

1205 PM     HAIL             5 W PAWNEE              36.34N 96.89W
04/24/2006  E0.88 INCH       PAWNEE             OK   PUBLIC

            WINDS ALSO ESTIMATED AT 50 TO 60 MPH.

&&

NMK

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 24, 5:37 AM CDT	Severe Thunderstorm Warning	TSA	Nowata	38 min
Apr 24, 5:45 AM CDT	Severe Thunderstorm Warning	TSA	Craig	45 min
Apr 24, 6:26 AM CDT	Severe Thunderstorm Warning	TSA	Craig, Mayes	34 min
Apr 24, 6:40 AM CDT	Severe Thunderstorm Warning	TSA	Delaware	65 min
Apr 24, 8:16 AM CDT	Severe Thunderstorm Warning	TSA	Osage	61 min
Apr 24, 9:25 AM CDT	Severe Thunderstorm Warning	TSA	Pawnee	42 min
Apr 24, 10:25 AM CDT	Severe Thunderstorm Warning	TSA	Osage	65 min
Apr 24, 11:21 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Washington	54 min
Apr 24, 11:33 AM CDT	Severe Thunderstorm Warning	TSA	Nowata	57 min
Apr 24, 12:01 PM CDT	Severe Thunderstorm Warning	TSA	Pawnee	29 min
Apr 24, 12:17 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Nowata, Rogers	58 min
Apr 24, 12:53 PM CDT	Severe Thunderstorm Warning	TSA	Mayes, Rogers, Tulsa	82 min
Apr 24, 1:09 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Washington	51 min
Apr 24, 1:10 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware	65 min
Apr 24, 1:53 PM CDT	Severe Thunderstorm Warning	TSA	Ottawa	36 min
Apr 24, 2:00 PM CDT	Severe Thunderstorm Warning	TSA	Mayes, Rogers, Tulsa, Wagoner	60 min
Apr 24, 2:13 PM CDT	Severe Thunderstorm Warning	TSA	Delaware	50 min
Apr 24, 2:46 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Muskogee, Wagoner	59 min
Apr 24, 2:56 PM CDT	Severe Thunderstorm Warning	TSA	Adair	49 min
Apr 24, 4:50 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	70 min
Apr 24, 5:56 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Pawnee	79 min
Apr 24, 6:38 PM CDT	Tornado Warning	TSA	Creek, Tulsa	52 min
Apr 24, 6:44 PM CDT	Severe Thunderstorm Warning	TSA	Osage	76 min
Apr 24, 1:45 PM CDT	Severe Thunderstorm Warning	TSA	Benton	30 min
Apr 24, 1:58 PM CDT	Severe Thunderstorm Warning	TSA	Carroll	47 min
Apr 24, 2:39 PM CDT	Severe Thunderstorm Warning	TSA	Carroll	66 min
Apr 24, 2:51 PM CDT	Severe Thunderstorm Warning	TSA	Madison	54 min
Apr 24, 4:22 PM CDT	Severe Thunderstorm Warning	TSA	Franklin	23 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2006 Every severe thunderstorm warning in 2006

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.