Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 89, NWS Tulsa, OK

May 4, 2003Osage County, Washington County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 4, 2003, 3:53 PM CDT for Osage County, Washington County, Oklahoma. It was in force for 67 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: May 4, 2003, 3:53 PM CDT (20:53 UTC)
Expired: May 4, 2003, 5:00 PM CDT
In force: 67 min
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

Counties Osage County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 93 km from the middle of the area, began a volume at 20:56 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
May 4, 12:35 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 8.9 hours before the alert went out and 207 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: 50 J/kg
Mixed-layer CIN: -362 J/kg
Mixed-layer LCL: 735 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 282 m²/s²
0-3 km storm-relative helicity: 474 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.7

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KTSA 042053
SVRTUL
OKC113-147-042200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
353 PM CDT SUN MAY 4 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN OSAGE COUNTY IN NORTHEAST OKLAHOMA
  NORTHERN WASHINGTON COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 500 PM CDT

* AT 353 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 7
  MILES WEST OF OKESA...MOVING NORTHEAST AT 35 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...COPAN...
  OKESA...BIGHEART AND HULAH.

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

A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. BE ALERT FOR RAPIDLY
CHANGING WEATHER CONDITIONS AS STORMS APPROACH.

LAT...LON 3680 9643 3663 9623 3699 9569 3718 9588

The office that day

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

Issued	Product	Office	Counties	Lasted
May 4, 4:09 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh	66 min
May 4, 4:11 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	64 min
May 4, 4:22 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Washington	53 min
May 4, 4:24 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee, Okmulgee	51 min
May 4, 4:27 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Washington	48 min
May 4, 4:37 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	38 min
May 4, 4:43 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Nowata	47 min
May 4, 4:45 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Wagoner	45 min
May 4, 4:53 PM CDT	Tornado Warning	TSA	Nowata	37 min
May 4, 5:03 PM CDT	Tornado Warning	TSA	Pittsburg	57 min
May 4, 5:09 PM CDT	Tornado Warning	TSA	Craig	36 min
May 4, 5:13 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Mayes	47 min
May 4, 5:25 PM CDT	Severe Thunderstorm Warning	TSA	Delaware	50 min
May 4, 5:25 PM CDT	Tornado Warning	TSA	Latimer	65 min
May 4, 5:38 PM CDT	Tornado Warning	TSA	Craig, Ottawa	37 min
May 4, 5:57 PM CDT	Tornado Warning	TSA	LeFlore	63 min
May 4, 6:03 PM CDT	Tornado Warning	TSA	Ottawa	42 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.