Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 8, NWS Tulsa, OK

March 12, 2003Creek County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Mar 12, 2003, 10:00 PM CST for Creek County, Oklahoma. It was in force for 60 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: Mar 12, 2003, 10:00 PM CST (04:00 UTC)
Expired: Mar 12, 2003, 11:00 PM CST
In force: 60 min
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

County Creek County, OK

The radar

The Tulsa radar (KINX), 90 km from the middle of the area, began a volume at 04:00 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
Mar 12, 8:55 PM CST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 4.0 hours before the alert went out and 107 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: 2180 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 1353 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 97 m²/s²
0-3 km storm-relative helicity: 163 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 5.2

Open this sounding in Storm Lab

The text

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

637 
WUUS54 KTSA 130400
SVRTUL
OKC037-130500-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
959 PM CST WED MAR 12 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN CREEK COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 1100 PM CST

* AT 959 PM CST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3
  MILES WEST OF DEPEW...MOVING EAST AT 30 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...BRISTOW...
  SLICK AND DEPEW.

HAIL TO THE SIZE OF NICKLES CAN BE EXPECTED IN THE WARNED AREA. STAY
INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

LAT...LON 3588 9660 3566 9662 3567 9624 3589 9621

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 12, 8:37 PM CST	Severe Thunderstorm Warning	TSA	Pawnee	38 min
Mar 12, 10:25 PM CST	Severe Thunderstorm Warning	TSA	Craig, Ottawa	50 min
Mar 12, 11:14 PM CST	Severe Thunderstorm Warning	TSA	Ottawa	46 min
Mar 12, 11:23 PM CST	Severe Thunderstorm Warning	TSA	Okfuskee	52 min
Mar 12, 11:58 PM CST	Severe Thunderstorm Warning	TSA	McIntosh	47 min
Mar 13, 12:57 AM CST	Severe Thunderstorm Warning	TSA	Haskell, Latimer, Pittsburg, Pushmataha	48 min
Mar 13, 1:01 AM CST	Severe Thunderstorm Warning	TSA	Sequoyah	44 min
Mar 13, 1:26 AM CST	Severe Thunderstorm Warning	TSA	Choctaw	49 min
Mar 13, 1:36 AM CST	Severe Thunderstorm Warning	TSA	LeFlore	54 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2003 Every severe thunderstorm warning in 2003

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.