Alert archive / Oklahoma / Tornado Warnings in 2008

Tornado Warning 43, NWS Tulsa, OK

April 9, 20084 counties in Oklahoma

NWS Tulsa, OK issued this tornado warning at Apr 9, 2008, 6:43 PM CDT for 4 counties in Oklahoma. It was in force for 47 min. 3 reports 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: Apr 9, 2008, 6:43 PM CDT (23:43 UTC)
Expired: Apr 9, 2008, 7:30 PM CDT
In force: 47 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Haskell County, OK, McIntosh County, OK, Muskogee County, OK, Pittsburg County, OK

The radar

The Tulsa radar (KINX), 94 km from the middle of the area, began a volume at 23:45 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
Apr 9, 6:48 PM CDT	HAIL 1.75	Canadian, OK
Apr 9, 6:55 PM CDT	HAIL 1.75	Eufaula, OK
Apr 9, 7:22 PM CDT	HAIL 0.88	1 E Porum, OK	PENNY TO NICKEL HAIL JUST SOUTH AND EAST OF PORUM

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
Apr 9, 3:48 PM CDT	Tornado Watch PDS	SPC	7 hr
Apr 9, 5:38 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 11.7 hours before the alert went out and 180 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1422 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 169 m²/s²
0-3 km storm-relative helicity: 338 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 092343
TORTSA
OKC061-091-101-121-100030-
/O.NEW.KTSA.TO.W.0043.080409T2343Z-080410T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
643 PM CDT WED APR 9 2008

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN MUSKOGEE COUNTY IN EAST CENTRAL OKLAHOMA
  NORTHWESTERN HASKELL COUNTY IN SOUTHEAST OKLAHOMA
  SOUTHERN MCINTOSH COUNTY IN SOUTHEAST OKLAHOMA
  NORTHEASTERN PITTSBURG COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 730 PM CDT

* AT 641 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 3 MILES NORTH OF
  INDIANOLA...MOVING EAST AT 45 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...CROWDER...
  VIVIAN...CANADIAN...STIDHAM...EUFAULA...ENTERPRISE...WHITEFIELD...
  BRIARTOWN...PORUM...WARNER AND STIGLER.

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 270 AND 288.

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 3557 9514 3518 9505 3507 9583 3530 9593
TIME...MOT...LOC 2343Z 249DEG 42KT 3521 9576

$$

1 follow-up statement

000 
WWUS54 KTSA 092358
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
657 PM CDT WED APR 9 2008

OKC061-091-101-121-100030-
/O.CON.KTSA.TO.W.0043.000000T0000Z-080410T0030Z/
MUSKOGEE OK-MCINTOSH OK-HASKELL OK-PITTSBURG OK-
657 PM CDT WED APR 9 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR
NORTHEASTERN PITTSBURG...NORTHWESTERN HASKELL...SOUTHERN MCINTOSH AND
SOUTHEASTERN MUSKOGEE COUNTIES...

AT 653 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
LOCATED NEAR EUFAULA...MOVING EAST AT 45 MPH.

AT 648 PM...PITTSBURG COUNTY EMERGENCY MANAGEMENT REPORTED GOLFBALL 
SIZE IN CANADIAN.

AT 655 PM...AMATEUR RADIO STORM SPOTTERS REPORTED GOLFBALL SIZE HAIL 
IN EUFAULA.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...EUFAULA...
ONAPA...ENTERPRISE...WHITEFIELD...BRIARTOWN...PORUM...WARNER...
STIGLER AND WEBBERS FALLS.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
GOLFBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. IF NO 
UNDERGROUND SHELTER IS AVAILABLE TAKE COVER ON THE LOWEST FLOOR IN 
AN INTERIOR ROOM AWAY FROM WINDOWS.

LAT...LON 3557 9514 3518 9505 3507 9583 3530 9593
TIME...MOT...LOC 2356Z 249DEG 42KT 3526 9559

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 9, 4:26 PM CDT	Special Weather Statement	TSA	Okfuskee	49 min
Apr 9, 4:39 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee	66 min
Apr 9, 5:50 PM CDT	Special Weather Statement	TSA	Okmulgee	40 min
Apr 9, 5:56 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Okfuskee, Pittsburg	64 min
Apr 9, 6:28 PM CDT	Flash Flood Warning	TSA	McIntosh, Okfuskee, Okmulgee	6 hr
Apr 9, 6:51 PM CDT	Flash Flood Warning	TSA	Creek, Muskogee, Okmulgee, Tulsa, Wagoner	6 hr

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.