Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 201, NWS Tulsa, OK

May 13, 2003LeFlore County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 13, 2003, 5:55 PM CDT for LeFlore County, Oklahoma. It was in force for 50 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 13, 2003, 5:55 PM CDT (22:55 UTC)
Expired
May 13, 2003, 6:45 PM CDT
In force
50 min
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

County LeFlore County, OK

The radar

The Western Arkansas radar (KSRX), 71 km from the middle of the area, began a volume at 22:56 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.

IssuedProductOfficeLasted
May 13, 2:20 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.9 hours before the alert went out and 257 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, Springfield, MO at 12:00Z on 2003-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Springfield, MO at 12:00Z on 2003-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 168 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1853 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
168 m²/s²
0-3 km storm-relative helicity
173 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.

576 
WUUS54 KTSA 132255
SVRTUL
OKC079-132345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
554 PM CDT TUE MAY 13 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR
  SOUTHERN LE FLORE COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 645 PM CDT

* AT 554 PM CDT SEVERE THUNDERSTORMS CAPABLE OF PRODUCING WINDS UP TO
  70 MPH WERE LOCATED OVER SOUTHERN LE FLORE COUNTY...MOVING         
  SOUTHEAST AT 40 MPH.

THE COMMUNITIES OF WHITESBORO...BIG CEDAR...TALIHINA...AND OCTAVIA 
ARE NEAR THE PATH OF THESE STORMS.

DAMAGING WINDS ARE LIKELY WITH THESE STORMS...MOVE TO A SAFE PLACE
NOW. MOBILE HOMES AND VEHICLES ARE ESPECIALLY SUSCEPTIBLE TO HIGH
WINDS AND MAY BE OVERTURNED.

LAT...LON 3483 9442 3478 9505 3451 9485 3452 9444

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 11:09 AM CDTSevere Thunderstorm WarningTSACraig51 min
May 13, 11:26 AM CDTSevere Thunderstorm WarningTSAOsage, Ottawa49 min
May 13, 11:39 AM CDTSevere Thunderstorm WarningTSADelaware51 min
May 13, 12:17 PM CDTSevere Thunderstorm WarningTSACraig43 min
May 13, 1:03 PM CDTSevere Thunderstorm WarningTSAOsage, Washington42 min
May 13, 1:24 PM CDTSevere Thunderstorm WarningTSARogers, Tulsa66 min
May 13, 2:26 PM CDTSevere Thunderstorm WarningTSACherokee, Mayes49 min
May 13, 2:31 PM CDTSevere Thunderstorm WarningTSATulsa, Wagoner44 min
May 13, 2:50 PM CDTSevere Thunderstorm WarningTSACherokee40 min
May 13, 3:11 PM CDTFlash Flood WarningTSACherokee4 hr
May 13, 3:19 PM CDTSevere Thunderstorm WarningTSAMuskogee, Wagoner56 min
May 13, 3:28 PM CDTSevere Thunderstorm WarningTSAAdair, Sequoyah62 min
May 13, 3:48 PM CDTSevere Thunderstorm WarningTSACherokee57 min
May 13, 4:14 PM CDTSevere Thunderstorm WarningTSAHaskell, Muskogee, Sequoyah76 min
May 13, 4:36 PM CDTSevere Thunderstorm WarningTSALeFlore39 min
May 13, 5:08 PM CDTSevere Thunderstorm WarningTSALeFlore52 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2003Every 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.