Alert archive / Oklahoma / Tornado Warnings in 2008

Tornado Warning 72, NWS Tulsa, OK

May 9, 2008Osage County, Washington County, Oklahoma

NWS Tulsa, OK issued this tornado warning at May 9, 2008, 1:12 AM CDT for Osage County, Washington County, Oklahoma. It was in force for 48 min. 1 report 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: May 9, 2008, 1:12 AM CDT (06:12 UTC)
Expired: May 9, 2008, 2:00 AM CDT
In force: 48 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Osage County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 65 km from the middle of the area, began a volume at 06:12 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
May 9, 1:41 AM CDT	HAIL 0.75	Ochelata, OK	HAIL COVERING THE GROUND

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

The watch it was issued in

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

Issued	Product	Office	Lasted
May 8, 8:08 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 00:00Z, 6.2 hours before the alert went out and 135 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: 116 J/kg
Mixed-layer CIN: -321 J/kg
Mixed-layer LCL: 1452 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 227 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 
WFUS54 KTSA 090612
TORTSA
OKC113-147-090700-
/O.NEW.KTSA.TO.W.0072.080509T0612Z-080509T0700Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
112 AM CDT FRI MAY 9 2008

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL OSAGE COUNTY IN NORTHEAST OKLAHOMA
  WASHINGTON COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 200 AM CDT

* AT 107 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 5 MILES WEST OF
  PAWHUSKA...MOVING EAST AT 45 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...WYNONA...
  BARNSDALL...OKESA...BARTLESVILLE...OCHELATA AND RAMONA.

IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS

LAT...LON 3672 9582 3669 9582 3668 9581 3665 9582
      3663 9581 3646 9582 3656 9653 3683 9646
TIME...MOT...LOC 0612Z 278DEG 41KT 3663 9635

$$

3 follow-up statements

000 
WWUS54 KTSA 090623
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
124 AM CDT FRI MAY 9 2008

OKC113-147-090700-
/O.CON.KTSA.TO.W.0072.000000T0000Z-080509T0700Z/
WASHINGTON OK-OSAGE OK-
124 AM CDT FRI MAY 9 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM CDT FOR EASTERN
OSAGE AND WASHINGTON COUNTIES...

AT 120 AM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
LOCATED NEAR PERSHING...MOVING EAST AT 45 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...TALLANT...
BARNSDALL...OKESA...WOLCO...BARTLESVILLE...OCHELATA AND RAMONA.

IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS

LAT...LON 3672 9582 3665 9582 3663 9581 3661 9582
      3658 9581 3646 9582 3654 9637 3680 9630
TIME...MOT...LOC 0624Z 276DEG 41KT 3661 9622

$$

000 
WWUS54 KTSA 090635
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
135 AM CDT FRI MAY 9 2008

OKC113-147-090700-
/O.CON.KTSA.TO.W.0072.000000T0000Z-080509T0700Z/
WASHINGTON OK-OSAGE OK-
135 AM CDT FRI MAY 9 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM CDT FOR EASTERN
OSAGE AND WASHINGTON COUNTIES...

AT 133 AM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
LOCATED NEAR BARNSDALL...MOVING EAST AT 45 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...WOLCO...
BARTLESVILLE...OCHELATA AND RAMONA.

IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS

LAT...LON 3672 9582 3663 9581 3661 9582 3658 9581
      3646 9582 3653 9624 3676 9613 3677 9609
TIME...MOT...LOC 0635Z 276DEG 41KT 3657 9609

$$

000 
WWUS54 KTSA 090647
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
148 AM CDT FRI MAY 9 2008

OKC113-090658-
/O.CAN.KTSA.TO.W.0072.000000T0000Z-080509T0700Z/
OSAGE OK-
148 AM CDT FRI MAY 9 2008

...THE TORNADO WARNING FOR EASTERN OSAGE COUNTY IS CANCELLED...

LAT...LON 3674 9594 3672 9582 3658 9581 3646 9582
      3650 9601 3653 9601 3654 9600 3675 9601
      3675 9597
TIME...MOT...LOC 0648Z 276DEG 41KT 3655 9591

$$

OKC147-090700-
/O.CON.KTSA.TO.W.0072.000000T0000Z-080509T0700Z/
WASHINGTON OK-
148 AM CDT FRI MAY 9 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM CDT FOR
WASHINGTON COUNTY...

AT 145 AM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
LOCATED NEAR RAMONA...MOVING EAST AT 45 MPH.

THE WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE INDICATED
COUNTY.

IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS

LAT...LON 3674 9594 3672 9582 3658 9581 3646 9582
      3650 9601 3653 9601 3654 9600 3675 9601
      3675 9597
TIME...MOT...LOC 0648Z 276DEG 41KT 3655 9591

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 12:17 AM CDT	Severe Thunderstorm Warning	TSA	Osage	73 min
May 9, 1:41 AM CDT	Severe Thunderstorm Warning	TSA	Nowata, Washington	31 min
May 9, 1:50 AM CDT	Tornado Warning	TSA	Nowata, Rogers, Washington	37 min
May 9, 2:14 AM CDT	Special Weather Statement	TSA	Craig, Ottawa	61 min
May 9, 2:22 AM CDT	Severe Thunderstorm Warning	TSA	Craig, Mayes, Rogers	35 min
May 9, 2:53 AM CDT	Special Weather Statement	TSA	Delaware	67 min

Nearby

Tornado Warnings in Oklahoma, 2008 Every tornado warning in 2008 Tornadoes 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.