Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 226, NWS Tulsa, OK

May 26, 2004Osage County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 26, 2004, 7:25 PM CDT for Osage County, Oklahoma. It was in force for 80 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
May 26, 2004, 7:25 PM CDT (00:25 UTC)
Expired
May 26, 2004, 8:45 PM CDT
In force
80 min
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

County Osage County, OK

The radar

The Tulsa radar (KINX), 90 km from the middle of the area, began a volume at 00:24 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.

IssuedProductOfficeLasted
May 26, 6:25 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 0.4 hours before the alert went out and 181 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-pSkew-T log-p diagram, Norman, OK at 00:00Z on 2004-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2661 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 2004-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 177 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
2661 J/kg
Mixed-layer CIN
-78 J/kg
Mixed-layer LCL
1229 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
177 m²/s²
0-3 km storm-relative helicity
179 m²/s²
Significant tornado parameter
2.0
Supercell composite
9.6

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 May 26, 5:50 PM CDT, 1 hour 35 minutes earlier.

Area forecast discussion, May 26, 5:50 PM CDT, 1 hour 35 minutes before
AREA FORECAST DISCUSSION...MESOSCALE UPDATE
NATIONAL WEATHER SERVICE TULSA OKLAHOMA
550 PM CDT WED MAY 26 2004

PRESENTLY WATCHING SPLITTING CELLS ALONG I-40 W OF OKC MOVING
QUICKLY TO THE EAST.  TRYING TO ANTICIPATE EFFECT ON OUR CWA.
CELLS ENTERING MOST UNSTABLE PARTS OF AIR MASS AT THIS TIME...BUT
WILL HIT GRADIENT OF INHIBITION EAST OF I-35.  WILL LIKELY GET AN
IDEA OF WHAT AFFECT THE INHIBITION WILL HAVE BEFORE GETTING TO CWA.

FORECAST ID= 29

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

MATHEWS
Hazardous weather outlook, May 26, 3:45 PM CDT, 3 hours 40 minutes before
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In the hours before

Special weather statement, May 26, 6:32 PM CDT, 53 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
632 PM CDT WED MAY 26 2004

OKZ054>056-059-060-064-065-270400-
CREEK OK-NOWATA OK-OKFUSKEE OK-OSAGE OK-PAWNEE OK-TULSA OK-
WASHINGTON OK-
623 PM CDT WED MAY 26 2004

TORNADO WATCH NUMBER 302 IN EFFECT UNTIL 1100 PM CDT.

IN NORTHEAST OKLAHOMA THIS WATCH INCLUDES THE FOLLOWING 7 COUNTIES...
CREEK...NOWATA...OKFUSKEE...OSAGE...PAWNEE...TULSA...WASHINGTON.

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 7:15 PM CDTTornado WarningTSAPawnee60 min
May 26, 8:07 PM CDTTornado WarningTSAOsage53 min
May 26, 8:14 PM CDTTornado WarningTSAPawnee61 min
May 26, 8:52 PM CDTTornado WarningTSAOsage53 min
May 26, 8:54 PM CDTSevere Thunderstorm WarningTSATulsa66 min
May 26, 9:14 PM CDTTornado WarningTSATulsa46 min
May 26, 9:24 PM CDTSevere Thunderstorm WarningTSAWashington51 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2004Every severe thunderstorm warning in 2004

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.